CN114521441B - Method for repairing high and steep slope rock mass by utilizing RFP member and thick-layer base material spray-seeding combined process - Google Patents

Method for repairing high and steep slope rock mass by utilizing RFP member and thick-layer base material spray-seeding combined process Download PDF

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Publication number
CN114521441B
CN114521441B CN202210173956.6A CN202210173956A CN114521441B CN 114521441 B CN114521441 B CN 114521441B CN 202210173956 A CN202210173956 A CN 202210173956A CN 114521441 B CN114521441 B CN 114521441B
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base material
rfp
steep slope
fixing
slope
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CN114521441A (en
Inventor
张文宁
刘震
王晓霖
王翔
范标
甘泉
杨柯
黄新宇
王龙
王飞
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Inner Mongolia Herun Environmental Engineering Co ltd
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Inner Mongolia Herun Environmental Engineering Co ltd
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G17/00Cultivation of hops, vines, fruit trees, or like trees
    • A01G17/005Cultivation methods
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00Cultivation of specific crops or plants not otherwise provided for
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00Cultivation of specific crops or plants not otherwise provided for
    • A01G22/60Flowers; Ornamental plants
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00Growth substrates; Culture media; Apparatus or methods therefor
    • A01G24/10Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00Growth substrates; Culture media; Apparatus or methods therefor
    • A01G24/20Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00Growth substrates; Culture media; Apparatus or methods therefor
    • A01G24/20Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
    • A01G24/22Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/80Soil conditioners
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/20Securing of slopes or inclines
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/20Securing of slopes or inclines
    • E02D17/202Securing of slopes or inclines with flexible securing means
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74Means for anchoring structural elements or bulkheads
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00Miscellaneous
    • E02D2600/30Miscellaneous comprising anchoring details
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/23Dune restoration or creation; Cliff stabilisation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
    • Y02P60/21Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental Sciences (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Botany (AREA)
  • Chemical & Material Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Soil Sciences (AREA)
  • Cultivation Of Plants (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)

Abstract

The invention provides a method for repairing a high and steep slope rock mass by utilizing an RFP member and thick-layer base material spray-seeding combined process, which comprises the following steps: slope surface treatment: cleaning up floating soil, pumice, weeds and broken stones on the slope surface of the high and steep slope rock mass, and filling the pot hole with the plant growing bags; and (3) drilling a plant growing hole: punching plant growth holes on the slope surface of the high and steep slope rock mass, wherein the density of the plant growth holes is 3-5 per square meter; installing an RFP component and hanging a net: installing an RFP component and hanging a fixed net on the slope; spraying and seeding a base material: spraying a bottom layer base material, a middle layer base material, an upper layer base material and a seed layer base material on the slope surface which is hung with the fixing net after the treatment of the step 3 in sequence, wherein each layer is sprayed for 2-3cm; maintaining at an initial stage; later maintenance; the method adopts the mode of combining the RFP member hanging net and the four layers of base materials to repair the rock mass with the high and steep slope, is suitable for uneven rock surfaces, ensures that the base materials are sprayed and sown uniformly, has good green covering effect, avoids the waste of cost and saves resources.

Description

Method for repairing high and steep slope rock mass by utilizing RFP member and thick-layer base material spray-seeding combined process
Technical Field
The invention belongs to the technical field of ecological slope protection, and particularly relates to a method for repairing a high-steep-slope rock mass by utilizing an RFP member and thick-layer base material spray-seeding combined process.
Background
With the rapid development of economy, the construction of roads, railways and other traffic roads all over the country, the excavation of mines, the development of half-mountain villas and other damages to the ecological environment of the mountain by land producers and the like, a large number of exposed side slopes are formed, and various environmental problems such as the damage of original earth surface vegetation, water and soil loss, debris flow, landslide and the like are caused, so the exposed side slopes become the problems which are paid much attention in the field of ecological restoration; the ecological restoration method of the general side slope is gradually improved, but the ecological restoration of the rock side slope of the high steep slope is still a great challenge in the field of ecological restoration of the side slope.
In the prior art, for ecological restoration of a rock mass side slope with a high steep slope, particularly for restoration of a slope surface of a rock mass side slope with an uneven high steep slope, the problems of incapability of maintaining soil, low vegetation coverage, loss of water and soil conservation capability, reduction of ecological functions and the like exist, and serious problems of difficult construction, uneven green covering and the like are caused due to unevenness of the slope surface, so that ecological self-restoration is long and uncertain, water and soil loss and natural disasters are aggravated, and certain visual landscape influence is caused while the ecological environment is damaged; in order to solve the technical problems, a method for repairing a high and steep slope rock body by using an RFP member and thick-layer base material spray-seeding combined process is provided.
Disclosure of Invention
The invention provides a method for restoring a high and steep slope rock mass by utilizing a RFP member and thick-layer base material spray-seeding combined process, which aims to solve the problems of incapability of maintaining soil, low vegetation coverage rate, water and soil conservation capacity loss, ecological function reduction and the like in ecological restoration of a high and steep slope rock mass side slope, carry out ecological restoration on the high and steep slope rock mass side slope with the gradient of less than 70 degrees, and solve the long-standing unsolved problem of people.
The technical scheme adopted by the invention comprises the following steps:
1) And slope surface treatment: cleaning up floating soil, pumice, weeds and broken stones on the slope surface of the high and steep slope rock mass, filling the pot hole with the diameter of more than 30cm with a plant growth bag, and anchoring with a butterfly anchor rod;
2) And drilling a plant growing hole: punching plant growing holes on the slope surface of the high and steep slope rock mass, wherein the density of the plant growing holes is 3-5 per square meter;
3) Installing an RFP component and hanging a net: an RFP component is arranged on the slope surface, and a fixing net is hung on the slope surface, the fixing net has a single-layer effect, and the cost is lowest; the device can also be designed into a double-net and fixed nets with more than two layers according to actual requirements.
4) And spraying and seeding the base material: spraying a bottom layer base material, a middle layer base material, an upper layer base material and a seed layer base material on the slope surface hung with the fixing net after the treatment of the step 3 in sequence, wherein each layer is sprayed by 2-3cm; the interval time of spray-seeding is 1-2 days, and the spray-seeding of the lower layer is carried out after the spray-seeding of the front layer is stable in solidification.
The bottom layer base material is as follows: planting soil, straw fiber, a water-retaining agent and an adhesive; the mixture ratio is as follows: averagely 100.00 square meter slope faces are matched with planting soil with the thickness of 1.00-2.00m, 8.00-9.00kg of straw fiber, 0.40-0.60kg of water retaining agent and 0.30-0.40kg of adhesive;
the middle layer substrate is as follows: planting soil, straw fiber, a water-retaining agent, an adhesive and an organic fertilizer; the mixture ratio is as follows: averagely 100.00 square meter slope faces are matched with planting soil with the thickness of 1.00-2.00m, 8.00-9.00kg of straw fiber, 0.40-0.60kg of water retaining agent, 0.30-0.40kg of adhesive and 15.00-20.00kg of organic fertilizer;
the upper substrate is as follows: planting soil, straw fiber, a water-retaining agent, an adhesive, an organic fertilizer and calcium, magnesium and phosphorus; averagely 100.00 square meter slope is matched with 1.00-2.00m of planting soil, 8.00-9.00kg of straw fiber, 0.40-0.60kg of water retaining agent, 0.30-0.40kg of adhesive, 22.00-28.00kg of organic fertilizer and 11.00-14.00kg of calcium, magnesium and phosphorus;
the seed layer base material is: planting soil, peat soil, organic fertilizer, calcium, magnesium and phosphorus, compound fertilizer and seeds; the mixture ratio is as follows: average 100.00 square meter slope is matched with planting soil with the thickness of 1.00-2.00m, 10.00-15.00kg of peat soil, 22.00-28.00kg of organic fertilizer, 10.00-15.00kg of calcium, magnesium and phosphorus, 5.00-8.00kg of compound fertilizer and 3.50-4.50kg of seeds;
5) And initial maintenance: covering the slope sprayed in the step (4) with non-woven fabrics to prevent the influence of sun exposure and rain wash on the germination rate of the seeds, and uncovering the non-woven fabrics until the slope is covered with green;
6) And later-period maintenance: normally maintaining according to local natural environment;
the RFP component comprises a fixed connector, a first sliding block or a second sliding block, a first supporting leg or a third supporting leg, an anchor rod fixing assembly and a shaft rod;
the first supporting leg and the third supporting leg are telescopic supporting legs;
the fixed connecting piece comprises a fixed column, a connecting disc is fixedly connected to the outer wall of the fixed column, and a sliding rail is fixedly connected to the outer wall of the connecting disc; an anchor rod through hole is formed in the fixing column;
one end of the first sliding block is fixedly connected with a first clamping groove, the other end of the first sliding block is fixedly connected with a first connecting groove, and sliding block connecting holes are formed in two sides of the first connecting groove;
one end of the second sliding block is fixedly connected with a second clamping groove, the other end of the second sliding block is fixedly connected with a first connecting block, and a sliding block spherical hinge groove is formed in the first connecting block;
two ends of the first support leg are fixedly connected with first connecting lugs respectively, a first support leg connecting hole is formed in each first connecting lug, and a first weight-reducing through hole is formed in each first support leg;
two ends of the third supporting leg are respectively and fixedly connected with a first spherical hinge head, and a third weight-reducing through hole is formed in the third supporting leg;
the first connecting lugs are inserted into the first connecting grooves and are rotationally connected through shaft rods;
the second sliding blocks are connected to the fixed connecting piece in a sliding mode through second clamping grooves, and the first spherical hinge is inserted into the spherical hinge grooves of the sliding blocks and connected in a rotating mode;
the anchor rod fixing assembly comprises an anchor rod, a pressing piece and a nut, and an external thread is formed at one end of the anchor rod;
the casting die includes the pressure disk, and pressure disk fixed surface is connected with the fixed block, and still fixedly connected with stiffening rib between pressure disk and the fixed block has all seted up the stock through hole on pressure disk and the fixed block.
Moreover, the RFP member further comprises a second leg, the second leg being a telescoping leg; a second connecting lug and a second connecting groove are fixedly connected to two ends of the second support leg respectively, a second support leg connecting hole is formed in the second connecting lug, a third support leg connecting hole is formed in each of two sides of the second connecting groove, and a second weight reducing through hole is formed in the second support leg;
the installation method of the RFP component comprises the following steps:
taking three first support legs to be rotationally connected to a fixed connecting piece to form a component for fixing a first steep slope rock face planting base material, taking three second support legs to be rotationally connected to the fixed connecting piece 1 to form a component for fixing a second steep slope rock face planting base material, fixing a plurality of anchor rods on a steep slope to be repaired, sleeving a plurality of components for fixing the first steep slope rock face planting base material and a plurality of components for fixing the second steep slope rock face planting base material on the anchor rods through anchor rod through holes, rotationally connecting the first support legs and the second support legs through first connecting lugs and second connecting grooves, and by analogy, sleeving a plurality of odd number of components and even number of components for fixing the steep slope rock face planting base materials on the anchor rods to realize the connection of the odd number of components for fixing the steep slope rock face planting base materials and the even number of components for fixing the steep slope rock face planting base materials and cover the steep slope to be repaired; and then, placing the fixing net on a component fixed by the steep slope rock face planting base material, sleeving the pressing piece on the anchor rod to press the fixing net, fixing and pressing the pressing piece by a threaded connection nut on the anchor rod, and finally, spraying and planting the planting base material according to the construction requirements.
Moreover, the RFP member further comprises a fourth leg, the fourth leg being a telescoping leg; a second spherical hinge head and a supporting leg spherical hinge head groove are respectively and fixedly connected to two ends of the fourth supporting leg, and a fourth weight-reducing through hole is formed in the fourth supporting leg;
the installation method of the RFP component comprises the following steps:
taking three third support legs to be rotatably connected to a fixed connecting piece to form a component for fixing a third steep slope rock face planting base material, taking three fourth support legs to be rotatably connected to the fixed connecting piece to form a component for fixing a fourth steep slope rock face planting base material, then fixing a plurality of anchor rods on a steep slope to be repaired, sleeving a plurality of components for fixing the first steep slope rock face planting base material and a plurality of components for fixing the second steep slope rock face planting base material on the anchor rods through anchor rod through holes, rotatably connecting the third support legs and the fourth support legs through first spherical hinge heads and support leg spherical hinge head grooves, and by analogy, sleeving a plurality of odd-numbered and even-numbered components for fixing the steep slope rock face planting base materials on the anchor rods to realize the connection of the odd-numbered components for fixing the steep slope rock face planting base materials and the even-numbered components for fixing the steep slope rock face planting base materials, and covering the steep slope to be repaired; and then, placing the fixing net on a component fixed by the steep slope rock face planting base material, sleeving the pressing piece on the anchor rod to press the fixing net, fixing and pressing the pressing piece by a threaded connection nut on the anchor rod, and finally, spraying and planting the planting base material according to the construction requirements.
Moreover, the sliding rail is matched with the first clamping groove; the first connecting groove is matched with the first connecting lug and the second connecting lug; the first connecting lug is matched with the second connecting groove.
The sliding rail is matched with the second clamping groove, and the sliding block spherical hinge head groove is matched with the first spherical hinge head and the second spherical hinge head; the first spherical hinge head is matched with the supporting leg spherical hinge head groove.
Moreover, the bottom layer base material is: planting soil, straw fiber, a water-retaining agent and an adhesive; the mixture ratio is as follows: carrying out average plantation on a square meter slope surface of 100.00 meters, matching with planting soil of 1.40 meters, 8.50kg of straw fiber, 0.50kg of water-retaining agent and 0.38kg of adhesive;
the middle layer substrate is as follows: planting soil, straw fiber, a water-retaining agent, an adhesive and an organic fertilizer; the mixture ratio is as follows: averagely carrying out weight reduction on a 100.00 square meter slope, and matching with 1.40m planting soil, 8.50kg of straw fiber, 0.50kg of water retaining agent, 0.38kg of adhesive and 18.75kg of organic fertilizer;
the upper layer base material is as follows: planting soil, straw fiber, a water-retaining agent, an adhesive, an organic fertilizer and calcium, magnesium and phosphorus; averagely carrying out weight reduction on a 100.00 square meter slope surface matched with 1.40m planting soil, 8.50kg of straw fiber, 0.50kg of water retaining agent, 0.38kg of adhesive, 25.00kg of organic fertilizer and 12.50kg of calcium, magnesium and phosphorus;
the seed layer base material is as follows: planting soil, peat soil, organic fertilizer, calcium, magnesium and phosphorus, compound fertilizer and seeds; the mixture ratio is as follows: on average, 100.00 square meter slope faces are matched with planting soil of 1.40m, 12.50kg of peat soil, 25.00kg of organic fertilizer, 12.5kg of calcium, magnesium and phosphorus, 6.25kg of compound fertilizer and 3.50-4.50kg of seeds.
Moreover, the length of the anchor rod is 80-90cm, the size of the plant growing bag is 20-40cm multiplied by 80-100cm, and the longitudinal distance of the RFP members is 30-35cm.
And the slope gradient of the side slope is 50-70 degrees.
And the seeds comprise one or the combination of any several of arbor seeds, shrub seeds, herb seeds and flower seeds.
The invention has the beneficial effects that:
1. the invention adopts the RFP member to fix the base material in a net hanging mode, the RFP member comprises a fixing connecting piece, a first slide block, a first supporting leg or a second supporting leg to form a member for fixing the steep slope rock face planting base material, and the RFP member also can form a member for fixing the steep slope rock face planting base material through the fixing connecting piece, the second slide block, a third supporting leg or a fourth supporting leg, the position and the angle can be adjusted at will, the device is suitable for uneven rock slopes, the base material is sprayed uniformly, the green covering effect is good, the waste of cost is avoided, and the resources are saved.
2. The support legs of the RFP members adopted by the invention are all telescopic support legs, the space between the members can be randomly adjusted according to the actual situation on site during construction, the advantages are better shown on uneven steep slope rock surfaces, the construction difficulty is reduced, the greening of the high steep slope rock surface can be realized in a short period, the vegetation coverage is recovered to the maximum extent, and the rock surface is prevented from weathering and peeling; the planting base material is fixed by matching with the fixing net, so that the normal growth of the primary vegetation is ensured.
3. The invention can realize good green covering effect by adopting the single-layer net hanging, greatly reduces the investment of manpower and financial resources, saves resources and reduces the incidence rate of engineering accidents.
4. According to the invention, seeds are added into the base material for final spray seeding, so that the traditional herbal transplanting mode is replaced, the vegetation coverage rate is high, and the cost is saved.
5. The invention opens the plant growing holes on the slope surface before the spray seeding, helps the later spray-seeded seeds to root, improves the survival rate of the seeds and has good water retention and soil fixation effects.
6. The invention adopts the technical scheme of 4-layer spray seeding, and each layer of base material adopts different formula materials, thereby saving the cost and simultaneously adapting to the requirements of seeds for different nutrients in different growth stages, so that the seeds can germinate quickly, emerge quickly, fix roots quickly and grow vigorously, the survival rate of vegetation can be effectively improved, and the aim of improving the ecological environment of the side slope is achieved.
Drawings
FIG. 1 is a perspective view of an RFP structure according to embodiments 1, 3 and 5 of the present invention;
FIG. 2 is a schematic perspective view of the fixing connector according to the present invention;
FIG. 3 is a cross-sectional view of the fixed connection of the present invention;
FIG. 4 is a schematic perspective view of a first slider according to the present invention;
FIG. 5 is a schematic perspective view of a second slider according to the present invention;
FIG. 6 is a perspective view of the first leg of the present invention;
FIG. 7 is a perspective view of a second leg of the present invention;
FIG. 8 is a schematic perspective view of a compression element of the present invention;
FIG. 9 is a schematic view showing the installation of the RFP member in embodiments 1, 3 and 5;
FIG. 10 is a perspective view of a third leg of the present invention;
FIG. 11 is a perspective view of a fourth leg of the present invention;
FIG. 12 is a perspective view of an RFP structure of embodiments 2, 4 and 6 of the present invention
FIG. 13 is the installation diagram of the RFP structure of embodiments 2, 4 and 6;
FIG. 14 is a diagram showing the effects of practical implementation of embodiment 1 of the present invention;
in the figure: 1. fixing the connecting piece; 11. fixing a column; 12. connecting the disc; 13. a slide rail; 2. a first slider; 21. a first card slot; 22. a first connecting groove; 23. a slider connecting hole; 3. a second slider; 31. a second card slot; 32. a first connection block; 33. a slider ball hinge slot; 4. a first leg; 41. a first connecting lug; 42. the first support leg is connected with the first hole; 43. a first weight-reducing through hole; 5. a second leg; 51. a second engaging lug; 52. a second connecting groove; 53. a second support leg connecting hole; 54. a third support leg connecting hole; 55. a second weight-reducing through hole; 6. a third leg; 61. a first ball joint; 62. a third weight-reducing through hole; 7. a fourth leg; 71. a second spherical hinge head; 72. a leg ball joint slot; 73. a fourth lightening through hole; 8. an anchor rod fixing assembly; 81. an anchor rod; 82. pressing parts; 821. a platen; 822. a fixed block; 823. and (4) reinforcing ribs.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The adhesive adopted by the invention is produced by ChangGreen ecological water-absorbing material factories in Wen' an county:
batch number: UA4404KM
The model is as follows: 3005KM;
the test results are as follows:
appearance: white crystalline powder
Water content: 8.1
Molecular weight: 1150 ten thousand
pH value: 6.8;
the water-retaining agent adopted by the invention is produced by Wen' an county ChangGreen ecological water-absorbing material factory:
batch number: UA4404KM
The model is as follows: 3005KM;
the test results are as follows:
appearance: white crystalline powder
Water content: 8.1
Water absorption rate: 210
pH value: 6.7;
(the test result is provided by the national chemical material testing center, and the center number is 20210321).
Example 1
As shown in fig. 1, 2, 3, 4, 6, 7, 8, 9, an RFP member includes a fixed connector 1, a first slider 2, a first leg 4, an anchor fixing assembly 8, and a shaft;
the fixed connecting piece 1 comprises a fixed column 11, a connecting disc 12 is fixedly connected to the outer wall of the fixed column 11, and a sliding rail 13 is fixedly connected to the outer wall of the connecting disc 12; an anchor rod through hole is formed in the fixing column 11;
one end of the first sliding block 2 is fixedly connected with a first clamping groove 21, the other end of the first sliding block is fixedly connected with a first connecting groove 22, and sliding block connecting holes 23 are formed in two sides of the first connecting groove 22;
two ends of the first leg 4 are fixedly connected with first connecting lugs 41 respectively, a first leg connecting hole 42 is formed in each first connecting lug 41, and a first weight-reducing through hole 43 is formed in each first leg 4;
the first sliding blocks 2 are connected to the fixed connecting piece 1 in a sliding mode through the first clamping grooves 21, and the first connecting lugs 41 are inserted into the first connecting grooves 22 and are connected in a rotating mode through shaft rods;
the anchor rod fixing assembly 8 comprises an anchor rod 81, a pressing piece 82 and a nut, wherein an external thread is formed at one end of the anchor rod 81;
the pressing piece 82 comprises a pressing plate 821, a fixing block 822 is fixedly connected to the surface of the pressing plate 821, a reinforcing rib 823 is fixedly connected between the pressing plate 821 and the fixing block 822, and anchor rod through holes are formed in the pressing plate 821 and the fixing block 822;
preferably, the RFP member further includes a second leg 5, wherein a second engaging lug 51 and a second connecting groove 52 are fixedly connected to two ends of the second leg 5, respectively, the second engaging lug 51 is provided with a second leg connecting hole 53, two sides of the second connecting groove 52 are provided with third leg connecting holes 54, and the second leg 5 is further provided with a second weight-reducing through hole 55;
the slide rail 13 is matched with the first clamping groove 21; the first connecting groove 22 is matched with the first connecting lug 41 and the second connecting lug 51; the first connecting lug 41 is matched with the second connecting groove 52;
the first leg 4 and the second leg 5 are telescopic legs.
Preferably, the length of the anchor rod is 80cm, the size of the plant biological bag is 20 x 80cm, and the longitudinal distance between the RFP members is 30cm.
The method for repairing the high and steep slope rock mass by utilizing the RFP member and thick-layer base material spray-seeding combined process comprises the following steps:
1) And slope surface treatment: cleaning up floating soil, pumice, weeds and broken stones on the slope surface of the high and steep slope rock mass, filling a pit hole with the diameter of more than 30cm with a plant growth bag, and anchoring with a butterfly anchor rod;
2) And drilling a plant growing hole: punching plant growing holes on the slope surface of the high and steep slope rock mass, wherein the density of the plant growing holes is 3 per square meter;
3) Installing an RFP component and hanging a net: installing an RFP member on the slope and hanging a fixed net, wherein the fixed net is a single layer;
the specific installation method comprises the following steps: taking three first support legs 4 to be rotationally connected to a fixed connecting piece 1 to form a component for fixing a first steep slope rock face planting base material, taking three second support legs 5 to be rotationally connected to the fixed connecting piece 1 to form a component for fixing a second steep slope rock face planting base material, then fixing a plurality of anchor rods 81 on a steep slope surface to be repaired, sleeving a plurality of components for fixing the first steep slope rock face planting base material and a plurality of components for fixing the second steep slope rock face planting base material on the anchor rods 81 through anchor rod through holes, rotationally connecting the first support legs 4 and the second support legs 5 through first connecting lugs 41 and second connecting grooves 52, and so on sleeving a plurality of odd number of components and even number of components for fixing the steep slope rock face planting base materials on the anchor rods 81 to realize the connection of the odd number of components for fixing the steep slope rock face planting base materials and the even number of components for fixing the steep slope rock face planting base materials and cover the steep slope surface to be repaired; and then, the fixed net is placed on a component fixed by the planting base material on the steep slope rock surface, then the pressing piece 82 is sleeved on the anchor rod 81 to press the fixed net, then the pressing piece 82 is fixedly pressed by a threaded connection nut on the anchor rod 81, and finally the planting base material is sprayed according to the construction requirements.
4) And spraying and seeding the base material: sequentially spraying a bottom layer base material, a middle layer base material, an upper layer base material and a seed layer base material on the slope surface hung with the fixing net, wherein each layer is sprayed for 2-3cm; the interval time of spray seeding is 1 day, and the spray seeding of the lower layer is carried out after the spray seeding of the front layer is stable in solidification;
the bottom layer base material is as follows: planting soil, straw fiber, a water-retaining agent and an adhesive; the mixture ratio is as follows: averagely carrying out the plantation on a square meter slope surface of 100.00 squares by matching with 1.00kg of planting soil, 8.00kg of straw fiber, 0.40kg of water retaining agent and 0.30kg of adhesive;
the middle layer substrate is as follows: planting soil, straw fiber, a water-retaining agent, an adhesive and an organic fertilizer; the mixture ratio is as follows: averagely carrying out weight percent on a square meter slope of 100.00 meters, matching with planting soil of 1.00m, 8.00kg of straw fiber, 0.40kg of water retaining agent, 0.30kg of adhesive and 15.00kg of organic fertilizer;
the upper substrate is as follows: planting soil, straw fiber, a water-retaining agent, an adhesive, an organic fertilizer and calcium, magnesium and phosphorus; on average, 100.00 square meter slope is matched with planting soil of 1.00m, straw fiber of 8.00kg, water retaining agent of 0.40kg, adhesive of 0.30kg, organic fertilizer of 22.00kg and calcium, magnesium and phosphorus of 11.00kg;
the seed layer base material is: planting soil, peat soil, organic fertilizer, calcium, magnesium and phosphorus, compound fertilizer and seeds; the mixture ratio is as follows: averagely carrying out weight reduction on a square meter slope surface of 100.00 meters, matching with planting soil of 1.00m, peat soil of 10.00kg, organic fertilizer of 22.00kg, calcium, magnesium and phosphorus of 10.00kg, compound fertilizer of 5.00kg and seeds of 3.50kg;
5) And initial maintenance: covering the sprayed slope surface with non-woven fabrics to prevent the influence of sunshine insolation and rain wash on the germination rate of the seeds, and removing the non-woven fabrics until the slope surface is covered with green;
6) And later-period maintenance: and (5) normally maintaining according to the local natural environment.
Preferably, the slope is 50 °.
Preferably, the seeds are a combination of Sophora japonica, magnolia multiflora, pinus massoniana, robinia pseudoacacia, buddleia, ryegrass and Chrysanthemum morifolium, and the proportion of the seeds is that of Sophora japonica: and (3) magnolia multiflora: masson pine: and (3) locust: buddleia: and (3) ryegrass: coreopsis =8:5: 3: 5.
The results of the repair effect test of this example are shown in table 1.
Example 2
As shown in fig. 1, 2, 3, 4, 6, 7, 8, 9, an RFP member includes a fixed connector 1, a first slider 2, a first leg 4, an anchor fixing assembly 8, and a shaft;
the fixed connecting piece 1 comprises a fixed column 11, a connecting disc 12 is fixedly connected to the outer wall of the fixed column 11, and a sliding rail 13 is fixedly connected to the outer wall of the connecting disc 12; an anchor rod through hole is formed in the fixing column 11;
one end of the first sliding block 2 is fixedly connected with a first clamping groove 21, the other end of the first sliding block is fixedly connected with a first connecting groove 22, and sliding block connecting holes 23 are formed in two sides of the first connecting groove 22;
two ends of the first leg 4 are respectively and fixedly connected with a first connecting lug 41, a first leg connecting hole 42 is formed in the first connecting lug 41, and a first weight-reducing through hole 43 is formed in the first leg 4;
the first sliding blocks 2 are connected to the fixed connecting piece 1 in a sliding mode through the first clamping grooves 21, and the first connecting lugs 41 are inserted into the first connecting grooves 22 and are connected in a rotating mode through shaft rods;
the anchor rod fixing assembly 8 comprises an anchor rod 81, a pressing piece 82 and a nut, wherein an external thread is formed at one end of the anchor rod 81;
the pressing piece 82 comprises a pressing plate 821, a fixing block 822 is fixedly connected to the surface of the pressing plate 821, a reinforcing rib 823 is fixedly connected between the pressing plate 821 and the fixing block 822, and anchor rod through holes are formed in the pressing plate 821 and the fixing block 822;
the RFP component further comprises a second support leg 5, wherein a second connecting lug 51 and a second connecting groove 52 are fixedly connected to two ends of the second support leg 5 respectively, a second support leg connecting hole second 53 is formed in the second connecting lug 51, a third support leg connecting hole 54 is formed in two sides of the second connecting groove 52, and a second weight-reducing through hole 55 is formed in the second support leg 5;
the slide rail 13 is matched with the first clamping groove 21; the first connecting groove 22 is matched with the first connecting lug 41 and the second connecting lug 51; the first connecting lug 41 is matched with the second connecting groove 52;
the first leg 4 and the second leg 5 are telescopic legs.
Preferably, the length of the anchor rod is 90cm, the size of the plant growing bag is 40cm multiplied by 100cm, and the longitudinal distance between the RFP components is 35cm.
The method for repairing the high and steep slope rock body by utilizing the RFP member and thick-layer base material spray-seeding combined process comprises the following steps:
1) And slope surface treatment: cleaning up floating soil, pumice, weeds and broken stones on the slope surface of the high and steep slope rock mass, filling the pot hole with the diameter of more than 30cm with a plant growth bag, and anchoring with a butterfly anchor rod;
2) And drilling a plant growing hole: punching plant growing holes on the slope surface of the high and steep slope rock mass, wherein the density of the plant growing holes is 5 per square meter;
3) Installing an RFP component and hanging a net: installing an RFP member on the slope and hanging a fixed net, wherein the fixed net is a single layer;
the specific installation method comprises the following steps: taking three first support legs 4 to be rotationally connected to a fixed connecting piece 1 to form a component for fixing a first steep slope rock face planting base material, taking three second support legs 5 to be rotationally connected to the fixed connecting piece 1 to form a component for fixing a second steep slope rock face planting base material, then fixing a plurality of anchor rods 81 on a steep slope to be repaired, sleeving a plurality of components for fixing the first steep slope rock face planting base material and a plurality of components for fixing the second steep slope rock face planting base material on the anchor rods 81 through anchor rod through holes, rotationally connecting the first support legs 4 and the second support legs 5 through first connecting lugs 41 and second connecting grooves 52, and so on sleeving a plurality of odd-numbered and even-numbered components for fixing the steep slope rock face planting base material on the anchor rods 81 to realize the connection of the odd-numbered components for fixing the steep slope rock face planting base material and the even-numbered components for fixing the steep slope rock face planting base material and cover the slope to be repaired; and then, placing the fixing net on a component for fixing the steep slope rock face planting base material, sleeving the pressing piece 82 on the anchor rod 81, pressing the fixing net, fixing and pressing the pressing piece 82 through a threaded connection nut on the anchor rod 81, and finally, spraying and sowing the planting base material according to the construction requirements.
The sliding rail 13 is matched with the first clamping groove 21; the first connecting groove 22 is matched with the first connecting lug 41 and the second connecting lug 51; the first connecting lug 41 is matched with the second connecting groove 52;
4) And spraying and seeding the base material: spraying a bottom layer base material, a middle layer base material, an upper layer base material and a seed layer base material on the slope surface hung with the fixing net in sequence, wherein each layer is sprayed for 3cm; the interval time of spray seeding is 2 days, and the lower layer spray seeding is carried out after the spray seeding of the front layer is stable in solidification;
the bottom layer base material is as follows: planting soil, straw fiber, a water-retaining agent and an adhesive; the mixture ratio is as follows: carrying out average cultivation on a square meter slope surface of 100.00 meters matched with 2.00 meters of planting soil, 9.00kg of straw fiber, 0.60kg of water retaining agent and 0.40kg of adhesive;
the middle layer substrate is as follows: planting soil, straw fiber, a water-retaining agent, an adhesive and an organic fertilizer; the mixture ratio is as follows: averagely carrying out weight percent on a square meter slope of 100.00 meters, matching with 2.00 meters of planting soil, 9.00kg of straw fiber, 0.60kg of water retaining agent, 0.40kg of adhesive and 20.00kg of organic fertilizer;
the upper substrate is as follows: planting soil, straw fiber, a water-retaining agent, an adhesive, an organic fertilizer and calcium, magnesium and phosphorus; averagely carrying out weight reduction on a square meter slope of 100.00 meters, matching with 2.00 meters of planting soil, 9.00kg of straw fiber, 0.60kg of water retaining agent, 0.40kg of adhesive, 28.00kg of organic fertilizer and 14.00kg of calcium, magnesium and phosphorus;
the seed layer base material is: planting soil, peat soil, organic fertilizer, calcium, magnesium and phosphorus, compound fertilizer and seeds; the mixture ratio is as follows: on average, 2.00m planting soil, 15.00kg peat soil, 28.00kg organic fertilizer, 15.00kg calcium, magnesium and phosphorus, 8.00kg compound fertilizer and 4.50kg seeds are matched for cultivating a square or slope surface at 100.00 meters;
5) And initial maintenance: covering the sprayed slope surface with non-woven fabrics to prevent the influence of sunshine insolation and rain wash on the germination rate of the seeds, and removing the non-woven fabrics until the slope surface is covered with green;
6) And later-period maintenance: and (5) normally maintaining according to the local natural environment.
Preferably, the slope is 70 °.
Preferably, the seeds are a combination of masson pine, negundo chastetree leaves, robinia pseudoacacia, goosegrass herb and boswellia chinensis, and the proportion of the seeds is masson pine: and (3) golden larch leaves: and (3) locust: and (3) goosegrass herb: boswellia = 8.
The results of the repair effect test of this example are shown in table 1.
Example 3
As shown in fig. 2, 3, 5, 8, 10, 11, 12, 13, an RFP member includes a fixing connector 1, a second slider 3, a third leg 6, an anchor fixing assembly 8, and a shaft;
the fixed connecting piece 1 comprises a fixed column 11, a connecting disc 12 is fixedly connected to the outer wall of the fixed column 11, and a sliding rail 13 is fixedly connected to the outer wall of the connecting disc 12; an anchor rod through hole is formed in the fixing column 11;
one end of the second sliding block 3 is fixedly connected with a second clamping groove 31, the other end of the second sliding block is fixedly connected with a first connecting block 32, and a sliding block spherical hinge groove 33 is formed in the first connecting block 32;
two ends of the third supporting leg 6 are respectively and fixedly connected with a first spherical hinge head 61, and a third weight-reducing through hole 62 is formed in the third supporting leg 6;
a plurality of second sliding blocks 3 are connected to the fixed connecting piece 1 in a sliding mode through second clamping grooves 31, and first spherical hinge heads 61 are inserted into sliding block spherical hinge head grooves 33 and connected in a rotating mode;
the anchor rod fixing assembly 8 comprises an anchor rod 81, a pressing piece 82 and a nut, wherein an external thread is formed at one end of the anchor rod 81;
the pressing piece 82 comprises a pressing plate 821, a fixing block 822 is fixedly connected to the surface of the pressing plate 821, a reinforcing rib 823 is fixedly connected between the pressing plate 821 and the fixing block 822, and anchor rod through holes are formed in the pressing plate 821 and the fixing block 822;
the RFP member further comprises a fourth leg 7, the fourth leg 7 being a telescopic leg; two ends of the fourth supporting leg 7 are fixedly connected with a second spherical hinge head 71 and a supporting leg spherical hinge head groove 72 respectively, and a fourth weight-reducing through hole 73 is formed in the fourth supporting leg 7;
the slide rail 13 is matched with the second clamping groove 31, and the slide block spherical hinge head groove 33 is matched with the first spherical hinge head 61 and the second spherical hinge head 71; the first spherical hinge head 61 is matched with the supporting leg spherical hinge head groove 72;
the third supporting leg 6 and the fourth supporting leg 7 are telescopic supporting legs;
preferably, the length of the anchor rod is 80cm, the size of the plant growing bag is 20 x 80cm, and the longitudinal distance between the RFP members is 30cm.
The method for repairing the high and steep slope rock body by utilizing the RFP member and thick-layer base material spray-seeding combined process comprises the following steps:
1) And slope surface treatment: cleaning up floating soil, pumice, weeds and broken stones on the slope surface of the high and steep slope rock mass, filling the pot hole with the diameter of more than 30cm with a plant growth bag, and anchoring with a butterfly anchor rod;
2) And drilling a plant growing hole: punching plant growing holes on the slope surface of the high and steep slope rock mass, wherein the density of the plant growing holes is 3 per square meter;
3) Installing an RFP component and hanging a net: installing an RFP member on the slope and hanging a fixed net, wherein the fixed net is a single layer;
the specific installation method comprises the following steps: taking three third support legs 6 to be rotationally connected to a fixed connecting piece 1 to form a component for fixing a third steep slope rock face planting base material, taking three fourth support legs 7 to be rotationally connected to the fixed connecting piece 1 to form a component for fixing a fourth steep slope rock face planting base material, then fixing a plurality of anchor rods 81 on a steep slope to be repaired, sleeving the component for fixing the first steep slope rock face planting base material and the component for fixing the second steep slope rock face planting base material on the anchor rods 81 through anchor rod through holes, rotationally connecting the third support legs 6 and the fourth support legs 7 through first spherical hinges 61 and support leg spherical hinge grooves 72, and analogizing that the component for fixing the odd number and even number of steep slope rock face planting base materials is sleeved on the anchor rods 81 to realize the connection of the component for fixing the odd number of steep slope rock face planting base materials and the component for fixing the even number of steep slope rock face planting base materials and cover the steep slope to be repaired; then, the fixed net is placed on a component fixed by the planting base material on the steep slope rock surface, then the pressing piece 82 is sleeved on the anchor rod 81, the fixed net is pressed on the anchor rod 81, then a nut is connected with the screw thread on the anchor rod 81 to fix and press the pressing piece 82, and finally the planting base material is sprayed according to the construction requirement;
4) And spraying and seeding the base material: spraying a bottom layer base material, a middle layer base material, an upper layer base material and a seed layer base material on the slope surface hung with the fixing net in sequence, wherein each layer is sprayed by 2-3cm; the interval time of spray seeding is 1 day, and the lower layer spray seeding is carried out after the spray seeding of the front layer is stable in solidification;
the bottom layer base material is as follows: planting soil, straw fiber, a water-retaining agent and an adhesive; the mixture ratio is as follows: averagely carrying out the plantation on a square meter slope surface of 100.00 squares by matching with 1.00kg of planting soil, 8.00kg of straw fiber, 0.40kg of water retaining agent and 0.30kg of adhesive;
the middle layer substrate is as follows: planting soil, straw fiber, a water-retaining agent, an adhesive and an organic fertilizer; the mixture ratio is as follows: averagely carrying out weight percent on a square meter slope of 100.00 meters, matching with planting soil of 1.00m, 8.00kg of straw fiber, 0.40kg of water retaining agent, 0.30kg of adhesive and 15.00kg of organic fertilizer;
the upper substrate is as follows: planting soil, straw fiber, a water-retaining agent, an adhesive, an organic fertilizer and calcium, magnesium and phosphorus; averagely carrying out weight reduction on a square meter slope of 100.00 meters, matching with planting soil of 1.00m, straw fiber of 8.00kg, water retaining agent of 0.40kg, adhesive of 0.30kg, organic fertilizer of 22.00kg and calcium, magnesium and phosphorus of 11.00kg;
the seed layer base material is as follows: planting soil, peat soil, organic fertilizer, calcium, magnesium and phosphorus, compound fertilizer and seeds; the mixture ratio is as follows: on average, 100.00 square meter slope is matched with planting soil of 1.00m, peat soil of 10.00kg, organic fertilizer of 22.00kg, calcium, magnesium and phosphorus of 10.00kg, compound fertilizer of 5.00kg and seeds of 3.50kg;
5) And initial maintenance: covering the sprayed slope surface with non-woven fabrics to prevent the influence of sunshine insolation and rain wash on the germination rate of the seeds, and removing the non-woven fabrics until the slope surface is covered with green;
6) And later-period maintenance: and (5) normally maintaining according to the local natural environment.
Preferably, the slope is 50 °.
Preferably, the seeds are the combination of yellow sophora, magnolia multiflora, pinus massoniana, robinia pseudoacacia, negundo chastetree leaves, buddleia, ryegrass and coreopsis, and the proportion of the seeds is that the yellow sophora: and (3) magnolia multiflora: masson pine: and (3) locust: and (3) golden larch leaves: buddleia: ryegrass: coreopsis =9:5: 3: 5.
The results of the repair effect test of this example are shown in table 1.
Example 4
As shown in fig. 2, 3, 5, 8, 10, 11, 12, 13, an RFP member includes a fixed connector 1, a second slider 3, a third leg 6, an anchor fixing assembly 8, and a shaft;
the fixed connecting piece 1 comprises a fixed column 11, a connecting disc 12 is fixedly connected to the outer wall of the fixed column 11, and a sliding rail 13 is fixedly connected to the outer wall of the connecting disc 12; an anchor rod through hole is formed in the fixing column 11;
one end of the second sliding block 3 is fixedly connected with a second clamping groove 31, the other end of the second sliding block is fixedly connected with a first connecting block 32, and a sliding block spherical hinge groove 33 is formed in the first connecting block 32;
two ends of the third supporting leg 6 are respectively and fixedly connected with a first spherical hinge head 61, and a third weight-reducing through hole 62 is formed in the third supporting leg 6;
a plurality of second sliding blocks 3 are connected to the fixed connecting piece 1 in a sliding mode through second clamping grooves 31, and first spherical hinge heads 61 are inserted into sliding block spherical hinge head grooves 33 and connected in a rotating mode;
the anchor rod fixing component 8 comprises an anchor rod 81, a pressing piece 82 and a nut, wherein one end of the anchor rod 81 is provided with an external thread;
the pressing piece 82 comprises a pressing plate 821, a fixing block 822 is fixedly connected to the surface of the pressing plate 821, a reinforcing rib 823 is fixedly connected between the pressing plate 821 and the fixing block 822, and anchor rod through holes are formed in the pressing plate 821 and the fixing block 822;
the RFP component also comprises a fourth supporting leg 7, and the fourth supporting leg 7 is a telescopic supporting leg; two ends of the fourth supporting leg 7 are respectively and fixedly connected with a second spherical hinge head 71 and a supporting leg spherical hinge head groove 72, and a fourth weight-reducing through hole 73 is formed in the fourth supporting leg 7;
the slide rail 13 is matched with the second clamping groove 31, and the slide block spherical hinge head groove 33 is matched with the first spherical hinge head 61 and the second spherical hinge head 71; the first spherical hinge head 61 is matched with the supporting leg spherical hinge head groove 72;
the third supporting leg 6 and the fourth supporting leg 7 are telescopic supporting legs;
preferably, the length of the anchor rod is 90cm, the size of the plant growing bag is 40cm multiplied by 100cm, and the longitudinal distance between RFP members is 35cm.
The method for repairing the high and steep slope rock mass by utilizing the RFP member and thick-layer base material spray-seeding combined process comprises the following steps:
1) And slope surface treatment: cleaning up floating soil, pumice, weeds and broken stones on the slope surface of the high and steep slope rock mass, filling the pot hole with the diameter of more than 30cm with a plant growth bag, and anchoring with a butterfly anchor rod;
2) And drilling a plant growing hole: punching plant growing holes on the slope surface of the high and steep slope rock mass, wherein the density of the plant growing holes is 5 per square meter;
3) Installing an RFP component and hanging a net: installing an RFP member on the slope and hanging a fixed net, wherein the fixed net is a single layer;
the specific installation method comprises the following steps: taking three third support legs 6 to be rotationally connected to a fixed connecting piece 1 to form a component for fixing a third steep slope rock face planting base material, taking three fourth support legs 7 to be rotationally connected to the fixed connecting piece 1 to form a component for fixing a fourth steep slope rock face planting base material, then fixing a plurality of anchor rods 81 on a steep slope to be repaired, sleeving the component for fixing the first steep slope rock face planting base material and the component for fixing the second steep slope rock face planting base material on the anchor rods 81 through anchor rod through holes, rotationally connecting the third support legs 6 and the fourth support legs 7 through first spherical hinges 61 and support leg spherical hinge grooves 72, and analogizing that the component for fixing the odd number and even number of steep slope rock face planting base materials is sleeved on the anchor rods 81 to realize the connection of the component for fixing the odd number of steep slope rock face planting base materials and the component for fixing the even number of steep slope rock face planting base materials and cover the steep slope to be repaired; then, the fixed net is placed on a component fixed by the planting base material on the steep slope rock surface, then the pressing piece 82 is sleeved on the anchor rod 81, the fixed net is pressed on the anchor rod 81, then a nut is connected with the screw thread on the anchor rod 81 to fix and press the pressing piece 82, and finally the planting base material is sprayed according to the construction requirement;
4) And spraying and seeding the base material: spraying a bottom layer base material, a middle layer base material, an upper layer base material and a seed layer base material on the slope surface hung with the fixing net in sequence, wherein each layer is sprayed for 3cm; the interval time of spray seeding is 2 days, and the spray seeding of the lower layer is carried out after the spray seeding of the front layer is stable in solidification;
the bottom layer base material is as follows: planting soil, straw fiber, a water-retaining agent and an adhesive; the mixture ratio is as follows: carrying out average cultivation on a square meter slope surface of 100.00 meters matched with 2.00 meters of planting soil, 9.00kg of straw fiber, 0.60kg of water retaining agent and 0.40kg of adhesive;
the middle layer substrate is as follows: planting soil, straw fiber, a water-retaining agent, an adhesive and an organic fertilizer; the mixture ratio is as follows: averagely carrying out weight percent on a square meter slope of 100.00 meters, matching with 2.00 meters of planting soil, 9.00kg of straw fiber, 0.60kg of water retaining agent, 0.40kg of adhesive and 20.00kg of organic fertilizer;
the upper substrate is as follows: planting soil, straw fiber, a water-retaining agent, an adhesive, an organic fertilizer and calcium, magnesium and phosphorus; averagely carrying out weight reduction on a square meter slope of 100.00 meters, matching with 2.00 meters of planting soil, 9.00kg of straw fiber, 0.60kg of water retaining agent, 0.40kg of adhesive, 28.00kg of organic fertilizer and 14.00kg of calcium, magnesium and phosphorus;
the seed layer base material is: planting soil, peat soil, organic fertilizer, calcium, magnesium and phosphorus, compound fertilizer and seeds; the mixture ratio is as follows: averagely carrying out top-load bearing on a 100.00 square meter slope with 2.00m planting soil, 15.00kg peat soil, 28.00kg organic fertilizer, 15.00kg calcium, magnesium and phosphorus, 8.00kg compound fertilizer and 4.50kg seeds;
5) And initial maintenance: covering the sprayed slope surface with non-woven fabrics to prevent the influence of sunshine insolation and rain wash on the germination rate of the seeds, and removing the non-woven fabrics until the slope surface is covered with green;
6) And later-period maintenance: and (5) normally maintaining according to the local natural environment.
Preferably, the slope is 70 °.
Preferably, the seeds are a combination of masson pine, negundo chastetree leaves, robinia pseudoacacia, clover, eleusine indica and cosmos, and the proportion of the seeds is masson pine: and (3) golden larch leaves: and (3) locust: clover: goosegrass herb: boswellia = 8.
The results of the repair effect test of this example are shown in table 1.
Example 5
As shown in fig. 1, 2, 3, 4, 6, 7, 8, 9, an RFP member comprising a fixed connector 1, a first slider 2, a first leg 4, a bolt fixing assembly 8, and a shaft;
the fixed connecting piece 1 comprises a fixed column 11, a connecting disc 12 is fixedly connected to the outer wall of the fixed column 11, and a sliding rail 13 is fixedly connected to the outer wall of the connecting disc 12; an anchor rod through hole is formed in the fixing column 11;
one end of the first sliding block 2 is fixedly connected with a first clamping groove 21, the other end of the first sliding block is fixedly connected with a first connecting groove 22, and sliding block connecting holes 23 are formed in two sides of the first connecting groove 22;
two ends of the first leg 4 are fixedly connected with first connecting lugs 41 respectively, a first leg connecting hole 42 is formed in each first connecting lug 41, and a first weight-reducing through hole 43 is formed in each first leg 4;
the first sliding blocks 2 are connected to the fixed connecting piece 1 in a sliding mode through the first clamping grooves 21, and the first connecting lugs 41 are inserted into the first connecting grooves 22 and are connected in a rotating mode through shaft rods;
the anchor rod fixing assembly 8 comprises an anchor rod 81, a pressing piece 82 and a nut, wherein an external thread is formed at one end of the anchor rod 81;
the pressing piece 82 comprises a pressing plate 821, a fixing block 822 is fixedly connected to the surface of the pressing plate 821, a reinforcing rib 823 is fixedly connected between the pressing plate 821 and the fixing block 822, and anchor rod through holes are formed in the pressing plate 821 and the fixing block 822;
the RFP member further comprises a second leg 5, the second leg 5 being a telescopic leg; a second connecting lug 51 and a second connecting groove 52 are fixedly connected to two ends of the second support leg 5 respectively, a second support leg connecting hole 53 is formed in the second connecting lug 51, a third support leg connecting hole 54 is formed in two sides of the second connecting groove 52, and a second weight-reducing through hole 55 is formed in the second support leg 5;
the slide rail 13 is matched with the first clamping groove 21; the first connecting groove 22 is matched with the first connecting lug 41 and the second connecting lug 51; the first connecting lug 41 is matched with the second connecting groove 52;
the first support leg 6 and the second support leg 7 are telescopic support legs;
preferably, the length of the anchor rod is 85cm, the size of the plant growing bag is 30cm multiplied by 90cm, and the longitudinal distance of the RFP members is 33cm.
The method for repairing the high and steep slope rock body by utilizing the RFP member and thick-layer base material spray-seeding combined process comprises the following steps:
1) And slope surface treatment: cleaning up floating soil, pumice, weeds and broken stones on the slope surface of the high and steep slope rock mass, filling the pot hole with the diameter of more than 30cm with a plant growth bag, and anchoring with a butterfly anchor rod;
2) And drilling a plant growing hole: punching plant growing holes on the slope surface of the high and steep slope rock mass, wherein the density of the plant growing holes is 4 per square meter;
3) Installing an RFP component and hanging a net: installing an RFP member and hanging a fixed net on the slope, wherein the fixed net is a single layer;
the specific installation method comprises the following steps: taking three first support legs 4 to be rotationally connected to a fixed connecting piece 1 to form a component for fixing a first steep slope rock face planting base material, taking three second support legs 5 to be rotationally connected to the fixed connecting piece 1 to form a component for fixing a second steep slope rock face planting base material, then fixing a plurality of anchor rods 81 on a steep slope to be repaired, sleeving a plurality of components for fixing the first steep slope rock face planting base material and a plurality of components for fixing the second steep slope rock face planting base material on the anchor rods 81 through anchor rod through holes, rotationally connecting the first support legs 4 and the second support legs 5 through first connecting lugs 41 and second connecting grooves 52, and so on sleeving a plurality of odd-numbered and even-numbered components for fixing the steep slope rock face planting base material on the anchor rods 81 to realize the connection of the odd-numbered components for fixing the steep slope rock face planting base material and the even-numbered components for fixing the steep slope rock face planting base material and cover the slope to be repaired; then, the fixed net is placed on a component fixed by the planting base material on the steep slope rock surface, then the pressing piece 82 is sleeved on the anchor rod 81, the fixed net is pressed on the anchor rod 81, then a nut is connected with the screw thread on the anchor rod 81 to fix and press the pressing piece 82, and finally the planting base material is sprayed according to the construction requirement;
4) And spraying the base material: spraying a bottom layer base material, a middle layer base material, an upper layer base material and a seed layer base material on the slope surface hung with the fixing net in sequence, wherein each layer is sprayed by 2.5cm; the interval time of spray seeding is 1.5 days, and the spray seeding of the lower layer is carried out after the spray seeding of the front layer is stable in solidification;
the bottom layer base material is as follows: planting soil, straw fiber, a water-retaining agent and an adhesive; the mixture ratio is as follows: carrying out average plantation on a square meter slope surface of 100.00 meters, matching with planting soil of 1.40 meters, 8.50kg of straw fiber, 0.50kg of water-retaining agent and 0.38kg of adhesive;
the middle layer substrate is as follows: planting soil, straw fiber, a water-retaining agent, an adhesive and an organic fertilizer; the mixture ratio is as follows: averagely carrying out weight reduction on a 100.00 square meter slope, and matching with 1.40m planting soil, 8.50kg of straw fiber, 0.50kg of water retaining agent, 0.38kg of adhesive and 18.75kg of organic fertilizer;
the upper substrate is as follows: planting soil, straw fiber, a water-retaining agent, an adhesive, an organic fertilizer and calcium, magnesium and phosphorus; averagely carrying out weight reduction on a 100.00 square meter slope surface matched with 1.40m planting soil, 8.50kg of straw fiber, 0.50kg of water retaining agent, 0.38kg of adhesive, 25.00kg of organic fertilizer and 12.50kg of calcium, magnesium and phosphorus;
the seed layer base material is: planting soil, peat soil, organic fertilizer, calcium, magnesium and phosphorus, compound fertilizer and seeds; the mixture ratio is as follows: on average, 100.00 square meter slope faces are matched with planting soil of 1.40m, 12.50kg of peat soil, 25.00kg of organic fertilizer, 12.5kg of calcium, magnesium and phosphorus, 6.25kg of compound fertilizer and 4.00kg of seeds;
5) And initial maintenance: covering the sprayed slope surface with non-woven fabrics to prevent the influence of sunshine insolation and rain wash on the germination rate of the seeds, and removing the non-woven fabrics until the slope surface is covered with green;
6) And later-period maintenance: and (4) normally maintaining according to the local natural environment.
Preferably, the slope is 65 °.
Preferably, the seeds are a combination of pinus massoniana, sophora juhua, magnolia multiflora, robinia pseudoacacia, negundo chastetree leaves, coreopsis and coreopsis, and the proportion of the seeds is that pinus massoniana, sophora juhua and magnolia multiflora: and (3) locust: and (3) golden larch leaves: coreopsis tinctoria: coreopsis = 7.
The results of the repair effect test of this example are shown in table 1.
Example 6
As shown in fig. 2, 3, 5, 8, 10, 11, 12, 13, an RFP member includes a fixed connector 1, a second slider 3, a third leg 6, an anchor fixing assembly 8, and a shaft;
the fixed connecting piece 1 comprises a fixed column 11, a connecting disc 12 is fixedly connected to the outer wall of the fixed column 11, and a sliding rail 13 is fixedly connected to the outer wall of the connecting disc 12; an anchor rod through hole is formed in the fixing column 11;
one end of the second sliding block 3 is fixedly connected with a second clamping groove 31, the other end of the second sliding block is fixedly connected with a first connecting block 32, and a sliding block spherical hinge groove 33 is formed in the first connecting block 32;
two ends of the third supporting leg 6 are respectively and fixedly connected with a first spherical hinge head 61, and a third weight-reducing through hole 62 is formed in the third supporting leg 6;
a plurality of second sliding blocks 3 are connected to the fixed connecting piece 1 in a sliding mode through second clamping grooves 31, and first spherical hinge heads 61 are inserted into sliding block spherical hinge head grooves 33 and connected in a rotating mode;
the anchor rod fixing assembly 8 comprises an anchor rod 81, a pressing piece 82 and a nut, wherein an external thread is formed at one end of the anchor rod 81;
the pressing piece 82 comprises a pressing plate 821, a fixing block 822 is fixedly connected to the surface of the pressing plate 821, a reinforcing rib 823 is fixedly connected between the pressing plate 821 and the fixing block 822, and anchor rod through holes are formed in the pressing plate 821 and the fixing block 822;
the RFP member further comprises a fourth leg 7, the fourth leg 7 being a telescopic leg; two ends of the fourth supporting leg 7 are fixedly connected with a second spherical hinge head 71 and a supporting leg spherical hinge head groove 72 respectively, and a fourth weight-reducing through hole 73 is formed in the fourth supporting leg 7;
preferably, the slide rail 13 is matched with the second clamping groove 31, and the slider spherical hinge groove 33 is matched with the first spherical hinge head 61 and the second spherical hinge head 71; the first spherical hinge head 61 is matched with the supporting leg spherical hinge head groove 72;
the third supporting leg 6 and the fourth supporting leg 7 are telescopic supporting legs;
preferably, the length of the anchor rod is 85cm, the size of the plant growing bag is 30cm multiplied by 90cm, and the longitudinal distance of the RFP members is 33cm.
The method for repairing the high and steep slope rock mass by utilizing the RFP member and thick-layer base material spray-seeding combined process comprises the following steps:
1) And slope surface treatment: cleaning up floating soil, pumice, weeds and broken stones on the slope surface of the high and steep slope rock mass, filling the pot hole with the diameter of more than 30cm with a plant growth bag, and anchoring with a butterfly anchor rod;
2) And drilling a plant growing hole: punching plant growing holes on the slope surface of the high and steep slope rock mass, wherein the density of the plant growing holes is 4 per square meter;
3) Installing an RFP component and hanging a net: installing an RFP member on the slope and hanging a fixed net, wherein the fixed net is a single layer;
the specific installation method comprises the following steps: taking three third support legs 6 to be rotationally connected to a fixed connecting piece 1 to form a component for fixing a third steep slope rock face planting base material, taking three fourth support legs 7 to be rotationally connected to the fixed connecting piece 1 to form a component for fixing a fourth steep slope rock face planting base material, then fixing a plurality of anchor rods 81 on a steep slope to be repaired, sleeving the component for fixing the first steep slope rock face planting base material and the component for fixing the second steep slope rock face planting base material on the anchor rods 81 through anchor rod through holes, rotationally connecting the third support legs 6 and the fourth support legs 7 through first spherical hinges 61 and support leg spherical hinge grooves 72, and analogizing that the component for fixing the odd number and even number of steep slope rock face planting base materials is sleeved on the anchor rods 81 to realize the connection of the component for fixing the odd number of steep slope rock face planting base materials and the component for fixing the even number of steep slope rock face planting base materials and cover the steep slope to be repaired; then, the fixed net is placed on a component fixed by the planting base material on the steep slope rock surface, then the pressing piece 82 is sleeved on the anchor rod 81, the fixed net is pressed on the anchor rod 81, then a nut is connected with the screw thread on the anchor rod 81 to fix and press the pressing piece 82, and finally the planting base material is sprayed according to the construction requirement;
4) And spraying the base material: spraying and seeding a bottom layer base material, a middle layer base material, an upper layer base material and a seed layer base material on the slope surface which is hung with the fixing net after the treatment of the step 3 in sequence, wherein each layer is sprayed and seeded by 2.5cm; the interval time of spray seeding is 1.5 days, and the spray seeding of the lower layer is carried out after the spray seeding of the front layer is stable in solidification;
the bottom layer base material is as follows: planting soil, straw fiber, a water-retaining agent and an adhesive; the mixture ratio is as follows: carrying out average plantation on a square meter slope surface of 100.00 meters, matching with planting soil of 1.40 meters, 8.50kg of straw fiber, 0.50kg of water-retaining agent and 0.38kg of adhesive;
the middle layer substrate is as follows: planting soil, straw fiber, a water-retaining agent, an adhesive and an organic fertilizer; the mixture ratio is as follows: averagely carrying out weight reduction on a 100.00 square meter slope, and matching with 1.40m planting soil, 8.50kg of straw fiber, 0.50kg of water retaining agent, 0.38kg of adhesive and 18.75kg of organic fertilizer;
the upper substrate is as follows: planting soil, straw fiber, a water-retaining agent, an adhesive, an organic fertilizer and calcium, magnesium and phosphorus; averagely carrying out weight reduction on a 100.00 square meter slope surface matched with 1.40m planting soil, 8.50kg of straw fiber, 0.50kg of water retaining agent, 0.38kg of adhesive, 25.00kg of organic fertilizer and 12.50kg of calcium, magnesium and phosphorus;
the seed layer base material is: planting soil, peat soil, organic fertilizer, calcium, magnesium and phosphorus, compound fertilizer and seeds; the mixture ratio is as follows: averagely carrying out weight reduction on a square meter slope surface of 100.00 meters, matching with planting soil of 1.40 meters, peat soil of 12.50kg, organic fertilizer of 25.00kg, calcium, magnesium and phosphorus of 12.5kg, compound fertilizer of 6.25kg and seeds of 4.00kg;
5) And initial maintenance: covering the slope sprayed in the step 4 with non-woven fabrics to prevent the influence of sunshine exposure and rain wash on the germination rate of the seeds, and removing the non-woven fabrics until the slope is covered with green;
6) And later-period maintenance: and (4) normally maintaining according to the local natural environment.
Preferably, the slope is 65 °.
Preferably, the seeds are a combination of pinus massoniana, sophora juhua, magnolia multiflora, buddleia, robinia pseudoacacia, negundo chastetree leaves, coreopsis and coreopsis, and the proportion of the pinus massoniana to the sophora juhua to the magnolia multiflora is as follows: buddleia: and (3) locust tree: and (3) golden larch leaves: coreopsis tinctoria: coreopsis = 7.
The results of the repair effect test of this example are shown in table 1.
Comparative example
A method for performing ecological maintenance on high and steep slope rock mass by using an RFP member and thick-layer base material spray-seeding combined process comprises the following steps:
1) And slope surface treatment: cleaning up floating soil, pumice, weeds and broken stones on the slope surface of the high and steep slope rock mass, filling a pit hole with the diameter of more than 30cm with a plant growth bag, and anchoring with a butterfly anchor rod;
2) And drilling a plant growing hole: punching plant growth holes on the slope surface of the high and steep slope rock mass, wherein the density of the plant growth holes is 3 per square meter;
3) And hanging a net: an anchor rod is driven into the slope surface to hang a layer of fixing net;
4) And spraying and seeding the base material: spraying a bottom layer base material, a middle layer base material, an upper layer base material and a seed layer base material on the slope surface hung with the fixing net in sequence, wherein each layer is sprayed by 2-3cm; the interval time of spray seeding is 1 day, and the lower layer spray seeding is carried out after the spray seeding of the front layer is stable in solidification;
the bottom layer base material is as follows: planting soil, straw fiber, a water-retaining agent and an adhesive; the mixture ratio is as follows: carrying out average plantation on a square meter slope surface of 100.00 meters, matching with planting soil of 1.40 meters, 8.50kg of straw fiber, 0.50kg of water-retaining agent and 0.38kg of adhesive;
the middle layer substrate is as follows: planting soil, straw fiber, a water-retaining agent, an adhesive and an organic fertilizer; the mixture ratio is as follows: averagely carrying out weight reduction on a 100.00 square meter slope, and matching with 1.40m planting soil, 8.50kg of straw fiber, 0.50kg of water retaining agent, 0.38kg of adhesive and 18.75kg of organic fertilizer;
the upper substrate is as follows: planting soil, straw fiber, a water-retaining agent, an adhesive, an organic fertilizer and calcium, magnesium and phosphorus; averagely 100.00 square meter slope faces are matched with planting soil of 1.40m, straw fiber of 8.50kg, water retaining agent of 0.50kg, adhesive of 0.38kg, organic fertilizer of 25.00kg and calcium, magnesium and phosphorus of 12.50kg;
the seed layer base material is: planting soil, peat soil, organic fertilizer, calcium, magnesium and phosphorus, compound fertilizer and seeds; the mixture ratio is as follows: averagely carrying out weight reduction on a square meter slope surface of 100.00 meters, matching with planting soil of 1.40 meters, peat soil of 12.50kg, organic fertilizer of 25.00kg, calcium, magnesium and phosphorus of 12.5kg, compound fertilizer of 6.25kg and seeds of 4.00kg;
5) And initial maintenance: covering the sprayed slope surface with non-woven fabrics to prevent the influence of sunshine insolation and rain wash on the germination rate of the seeds, and removing the non-woven fabrics until the slope surface is covered with green;
6) And later-period maintenance: and (4) normally maintaining according to the local natural environment.
The slope of the side slope is 50 degrees, the length of the anchor rod is 80cm, the size of the plant growing bag is 20 multiplied by 80cm, and the longitudinal distance of the RFP components is 30cm.
The seeds are the combination of yellow sophora, magnolia multiflora, pinus massoniana, robinia pseudoacacia, buddleia, ryegrass and golden cypress, and the proportion of the seeds is that the yellow sophora: and (3) magnolia multiflora: masson pine: and (3) locust: buddleia: and (3) ryegrass: coreopsis =8:5: 3: 5.
The results of the repair effect test of this comparative example are shown in table 1.
The slump measuring method used in each example and comparative example was a slump meter method, and the concrete operations were as follows:
1. the instrument equipment comprises:
(1) And a slump cone: the slump cone is made of an iron plate, the thickness of the slump cone is not less than 0.15cm, the inner side of the slump cone is smooth, protrusions such as rivet heads do not exist, two handles are arranged at the position of about 2/3 of the height above the slump cone, two foot pedals are welded on two sides close to the lower end of the slump cone, and stable operation of the slump cone is guaranteed.
(2) And a tamper: the tamper is a steel round rod with a diameter of 1.6cm and a length of about 60cm and a hemispherical end.
(3) And others are as follows: small shovels, wooden rulers, small steel rulers, trowels, steel plates, and the like.
2. The test steps are as follows:
(1) Before the test, the inside and outside of the slump cone are cleaned, the slump cone is placed on a flat plate wetted by water (the flat plate is padded with plastic cloth when absorbing water), and a pedal is tightly stepped.
(2) The representative samples were loaded in three layers, each layer being loaded to a height slightly greater than 1/3 of the barrel height, and the cross section of each layer was uniformly tamped 25 times with a tamp. The inserting and tamping are carried out on the whole area, the bottom layer is inserted to the bottom when the bottom layer is inserted and tamped from the edge to the center along the spiral line, the bottom layer is inserted to be about 2cm-3cm when other two layers are inserted and tamped, the inserting and tamping needs to be vertically pressed down (except for the edge part), and impact cannot be caused. When the top layer is inserted and tamped, the base material filled into the top layer should be high out of the slump cone opening, and the mixture is added at any time along with the inserting and tamping process. After the top layer is inserted and tamped, the tamping rod is driven by a saw and a roller to remove redundant base materials, a trowel is used for leveling the opening of the cylinder, and the mixture around the bottom of the cylinder is scraped. And immediately and vertically lifting the slump cone, wherein the lifting of the slump cone is completed within 5 s-10 s, and the base material is not influenced by transverse and torsion forces. The whole process from the start of the filling to the lifting of the slump cone should be completed within 150 s.
(3) And placing the slump cone on one side of the cone base material sample, horizontally placing the wooden ruler on the top of the cone, and measuring the vertical distance from the bottom surface of the wooden ruler to the top surface point of the sample by using a small steel ruler, namely the slump of the base material mixture to 0.1cm.
(4) And when one side of the base material test piece collapses or shears and breaks, sampling again for another measurement. If this still occurs a second time, this indicates that the substrate is not well workable and should be recorded.
(5) When the slump of the base material mixture is larger than 22cm, measuring the expanded diameter and the expanded diameter of the base material by using a steel ruler, and taking the arithmetic mean value of the two diameters as the slump expansion value under the condition that the difference of the two diameters is smaller than 5cm; otherwise, the test is invalid.
(6) The following properties of the base material mixture were visually evaluated and recorded simultaneously with the slump test.
3. And (3) test results:
the substrate blend slump and slump spread values were measured in centimeters (cm) to 0.1cm and were trimmed to approximately 0.5cm.
The test results are shown in table 1 below:
table 1 results of the test of repairing effect
Figure DEST_PATH_IMAGE001
Table 1 shows that, compared with the comparative example, slump of examples 1 to 6 is greatly reduced, and vegetation coverage is significantly increased, because the substrate is fixed by using the RFP member in a net hanging manner, the RFP member includes a fixed connecting member, a first sliding block, a member for fixing the slope rock face planting substrate formed by a first supporting leg or a second supporting leg, or a member for fixing the slope rock face planting substrate formed by a fixed connecting member, a second sliding block, a third supporting leg or a fourth supporting leg, and the position and angle can be adjusted at will, so that the method is suitable for uneven rock slopes, and the substrate is sprayed uniformly and green-covering effect is good; moreover, the support legs of the RFP members adopted by the invention are all telescopic support legs, the space between the members can be randomly adjusted according to the actual situation on site during construction, and the RFP support structure is suitable for uneven steep slope rock surfaces. The comparative examples have no RFP component, which results in high slump ratio, unstable planting base material fixation and poor vegetation growth on the upper part of the slope.
In addition, the applicant has implemented the present invention on the slope of the strongly weathered rock of the southern seiulus highway 23# and 77# in the city, ethnic group, municipality and county according to the manner of example 1, and the specific implementation effect is shown in fig. 14.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (8)

1. A method for repairing high and steep slope rock mass by utilizing an RFP member and thick-layer base material spray-seeding combined process is characterized by comprising the following steps of: 1) And slope surface treatment: cleaning up floating soil, pumice, weeds and broken stones on the slope surface of the high and steep slope rock mass, filling the pot hole with the diameter of more than 30cm with a plant growth bag, and anchoring with a butterfly anchor rod; 2) And drilling a plant growing hole: punching plant growing holes on the slope surface of the high and steep slope rock mass, wherein the density of the plant growing holes is 3-5 per square meter; 3) Installing an RFP component and hanging a net: installing an RFP component and hanging a fixed net on the slope; the RFP component comprises a fixed connecting piece (1), a first sliding block (2) or a second sliding block (3), a first supporting leg (4) or a third supporting leg (6), an anchor rod fixing assembly (8) and a shaft lever, wherein the fixed connecting piece (1) comprises a fixed column (11), a connecting disc (12) is fixedly connected to the outer wall of the fixed column (11), and a sliding rail (13) is fixedly connected to the outer wall of the connecting disc (12); an anchor rod through hole is formed in the fixing column (11); one end of the first sliding block (2) is fixedly connected with a first clamping groove (21), the other end of the first sliding block is fixedly connected with a first connecting groove (22), and sliding block connecting holes (23) are formed in two sides of the first connecting groove (22); one end of the second sliding block (3) is fixedly connected with a second clamping groove (31), the other end of the second sliding block is fixedly connected with a first connecting block (32), and a sliding block spherical hinge groove (33) is formed in the first connecting block (32); two ends of the first supporting leg (4) are fixedly connected with first connecting lugs (41) respectively, a first supporting leg connecting hole (42) is formed in each first connecting lug (41), and a first weight-reducing through hole (43) is formed in each first supporting leg (4); two ends of the third supporting leg (6) are respectively and fixedly connected with a first spherical hinge head (61), and a third weight-reducing through hole (62) is formed in the third supporting leg (6); the first sliding blocks (2) are connected to the fixed connecting piece (1) in a sliding mode through first clamping grooves (21), and the first connecting lugs (41) are inserted into the first connecting grooves (22) and are connected in a rotating mode through shaft rods; the second sliding blocks (3) are connected to the fixed connecting piece (1) in a sliding mode through second clamping grooves (31), and the first spherical hinge heads (61) are inserted into the sliding block spherical hinge head grooves (33) to be connected in a rotating mode;
the RFP component also comprises a second supporting leg (5), and the first supporting leg (4) and the second supporting leg (5) are telescopic supporting legs; a second connecting lug (51) and a second connecting groove (52) are fixedly connected to two ends of the second supporting leg (5) respectively, a second supporting leg connecting hole (53) is formed in the second connecting lug (51), supporting leg connecting holes (54) are formed in two sides of the second connecting groove (52), and a second weight reducing through hole (55) is formed in the second supporting leg (5); the installation method of the RFP component comprises the following steps: three first support legs (4) are rotatably connected to a fixed connecting piece (1) to form a component for fixing a first steep slope rock face planting base material, three second support legs (5) are rotatably connected to the fixed connecting piece (1) to form a component for fixing a second steep slope rock face planting base material, then a plurality of anchor rods (81) are fixed to a steep slope surface to be repaired, then the component for fixing the first steep slope rock face planting base material and the component for fixing the second steep slope rock face planting base material are sleeved on the anchor rods (81) through anchor rod through holes, then the first support legs (4) and the second support legs (5) are rotatably connected through first connecting lugs (41) and second connecting grooves (52), and by analogy, the component for fixing the even number of steep slope rock face planting base materials is sleeved on the anchor rods (81) to realize the connection of the component for fixing the odd number of steep slope rock face planting base materials and the component for fixing the even number of steep slope rock face planting base materials, and the component for covering the slope to be repairedKneading; then, the fixing net is placed on a component fixed by the planting base material on the steep slope rock surface, then the pressing piece (82) is sleeved on the anchor rod (81) to press the fixing net, then a nut is connected with the screw thread on the anchor rod (81) to fix and press the pressing piece (82), and finally the planting base material is sprayed and sowed according to the construction requirement; the RFP component also comprises a fourth leg (7), and the third leg (6) and the fourth leg (7) are telescopic legs; a second spherical hinge head (71) and a leg spherical hinge head groove (72) are respectively fixedly connected to two ends of the fourth leg (7), and a fourth weight-reducing through hole (73) is further formed in the fourth leg (7); the installation method of the RFP component comprises the following steps: taking three third support legs (6) to be rotationally connected to a fixed connecting piece (1) to form a member for fixing a third steep slope rock face planting base material, taking three fourth support legs (7) to be rotationally connected to the fixed connecting piece (1) to form a member for fixing a fourth steep slope rock face planting base material, then fixing a plurality of anchor rods (81) on a steep slope surface to be repaired, then rotationally connecting a plurality of members for fixing the first steep slope rock face planting base material and a plurality of members for fixing the second steep slope rock face planting base material on the anchor rods (81) through anchor rod through holes, then sleeving the third support legs (6) and the fourth support legs (7) on the anchor rods (81) through first spherical hinge heads (61) and support leg spherical hinge head grooves (72), and so on the members for fixing a plurality of odd number and even number of steep slope rock face planting base materials to realize the connection of the members for fixing the odd number of steep slope rock face planting base materials and the members for fixing the even number of steep slope surface to cover the steep slope surface to be repaired; then, the fixing net is placed on a component fixed by the planting base material on the steep slope rock surface, then the pressing piece (82) is sleeved on the anchor rod (81) to press the fixing net, then a nut is connected with the screw thread on the anchor rod (81) to fix and press the pressing piece (82), and finally the planting base material is sprayed and sowed according to the construction requirement; 4) And spraying the base material: spraying a bottom layer base material, a middle layer base material, an upper layer base material and a seed layer base material on the slope surface hung with the fixing net after the treatment of the step 3 in sequence, wherein each layer is sprayed by 2-3cm; the bottom layer base material is as follows: planting soil, straw fiber, a water-retaining agent and an adhesive; the mixture ratio is as follows: average 100.00m 2 Slope matched with planting soil 1.00-2.00m and straw8.00-9.00kg of fiber, 0.40-0.60kg of water retention agent and 0.30-0.40kg of adhesive; the middle layer substrate is as follows: planting soil, straw fiber, a water-retaining agent, an adhesive and an organic fertilizer; the mixture ratio is as follows: average 100.00m 2 Carrying out slope cultivation by matching with 1.00-2.00m of planting soil, 8.00-9.00kg of straw fiber, 0.40-0.60kg of water retention agent, 0.30-0.40kg of adhesive and 15.00-20.00kg of organic fertilizer; the upper substrate is as follows: planting soil, straw fiber, a water-retaining agent, an adhesive, an organic fertilizer and calcium, magnesium and phosphorus; average 100.00m 2 Carrying out slope cultivation by matching with 1.00-2.00m of planting soil, 8.00-9.00kg of straw fiber, 0.40-0.60kg of water retention agent, 0.30-0.40kg of adhesive, 22.00-28.00kg of organic fertilizer and 11.00-14.00kg of calcium, magnesium and phosphorus; the seed layer base material is as follows: planting soil, peat soil, organic fertilizer, calcium, magnesium and phosphorus, compound fertilizer and seeds; the mixture ratio is as follows: average 100.00m 2 Carrying out slope cultivation by matching with 1.00-2.00m of planting soil, 10.00-15.00kg of peat soil, 22.00-28.00kg of organic fertilizer, 10.00-15.00kg of calcium, magnesium and phosphorus, 5.00-8.00kg of compound fertilizer and 3.50-4.50kg of seeds; 5) And initial maintenance: covering the slope sprayed in the step 4 with non-woven fabrics to prevent the influence of sunshine exposure and rain wash on the germination rate of the seeds, and removing the non-woven fabrics until the slope is covered with green; 6) And later-period maintenance: and (5) normally maintaining according to the local natural environment.
2. The method for repairing high steep slope rock mass by using RFP member and thick-layer base material spray-seeding combined process according to claim 1, wherein the RFP member comprises the following steps: the anchor rod fixing assembly (8) comprises an anchor rod (81), a pressing piece (82) and a nut, wherein an external thread is formed at one end of the anchor rod (81); the casting die (82) includes pressure disk (821), and pressure disk (821) fixed surface is connected with fixed block (822), and still fixedly connected with stiffening rib (823) between pressure disk (821) and fixed block (822), all seted up the stock through hole on pressure disk (821) and fixed block (822).
3. The method for repairing high steep slope rock mass by using RFP member and thick-layer base material spray-seeding combined process according to claim 1, wherein the RFP member comprises the following steps: the sliding rail (13) is matched with the first clamping groove (21); the first connecting groove (22) is matched with the first connecting lug (41) and the second connecting lug (51); the first connecting lug (41) is matched with the second connecting groove (52).
4. The method for repairing high steep slope rock mass by using RFP member and thick-layer base material spray-seeding combined process according to claim 1, wherein the RFP member comprises the following steps: the sliding rail (13) is matched with the second clamping groove (31), and the sliding block spherical hinge head groove (33) is matched with the first spherical hinge head (61) and the second spherical hinge head (71); the first spherical hinge head (61) is matched with the supporting leg spherical hinge head groove (72).
5. The method for repairing high steep slope rock mass by using RFP member and thick-layer base material spray-seeding combined process according to claim 1, wherein the RFP member comprises the following steps: the bottom layer base material is as follows: planting soil, straw fiber, a water-retaining agent and an adhesive; the mixture ratio is as follows: average 100.00m 2 Carrying out plantation with soil of 1.40m on the slope, 8.50kg of straw fiber, 0.50kg of water-retaining agent and 0.38kg of adhesive on the slope; the middle layer substrate is as follows: planting soil, straw fiber, a water-retaining agent, an adhesive and an organic fertilizer; the mixture ratio is as follows: averagely carrying out weight reduction on a 100.00 square meter slope, and matching with 1.40m planting soil, 8.50kg of straw fiber, 0.50kg of water retaining agent, 0.38kg of adhesive and 18.75kg of organic fertilizer; the upper substrate is as follows: planting soil, straw fiber, a water-retaining agent, an adhesive, an organic fertilizer and calcium, magnesium and phosphorus; average 100.00m 2 Carrying out slope cultivation by using 1.40m of planting soil, 8.50kg of straw fiber, 0.50kg of water-retaining agent, 0.38kg of adhesive, 25.00kg of organic fertilizer and 12.50kg of calcium, magnesium and phosphorus; the seed layer base material is: planting soil, peat soil, organic fertilizer, calcium, magnesium and phosphorus, compound fertilizer and seeds; the mixture ratio is as follows: average 100.00m 2 The slope is matched with 1.40m of planting soil, 12.50kg of peat soil, 25.00kg of organic fertilizer, 12.5kg of calcium, magnesium and phosphorus, 6.25kg of compound fertilizer and 4.00kg of seeds.
6. The method for repairing high steep slope rock mass by using RFP member and thick-layer base material spray-seeding combined process according to claim 1, wherein the RFP member comprises the following steps: the length of the anchor rod is 80-90cm, the size of the plant biological bag is 20-40cm multiplied by 80-100cm, and the longitudinal distance of the RFP members is 30-35cm.
7. The method for repairing high steep slope rock mass by using RFP member and thick-layer base material spray-seeding combined process according to claim 1, wherein the RFP member comprises the following steps: the interval time of the layered spray-seeding base material is 1-2 days, and the lower layer spray-seeding is carried out after the solidification of the spray-seeding of the front layer is stable; the seeds comprise one or the combination of any several of arbor seeds, shrub seeds, herb seeds and flower seeds.
8. The method for repairing high steep slope rock mass by using RFP member and thick-layer base material spray-seeding combined process according to claim 1, wherein the RFP member comprises the following steps: the slope of the side slope is 50-70 degrees.
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