CN111809635A - Framework supporting device for high and steep rock slope support greening and construction method thereof - Google Patents
Framework supporting device for high and steep rock slope support greening and construction method thereof Download PDFInfo
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- CN111809635A CN111809635A CN202010616981.8A CN202010616981A CN111809635A CN 111809635 A CN111809635 A CN 111809635A CN 202010616981 A CN202010616981 A CN 202010616981A CN 111809635 A CN111809635 A CN 111809635A
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- support frame
- greening
- anchor rod
- slope
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Environmental Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Botany (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention discloses a framework supporting device for high and steep rocky slope support greening, and relates to the field of slope treatment. The anchor rod structure comprises an anchor rod structure and a support frame structure; the anchor rod structure comprises an anchor rod and a thrust ring; the spiral groove is provided with a fixing piece; the support frame structure comprises a connecting ring, a transverse main support frame and a vertical main support frame. The method can effectively attach the soil to the high and steep rocky slope and strengthen the soil maintenance, thereby improving the survival rate of plants and achieving the good effect of greening and repairing the high and steep slope. The invention also discloses a construction method of the framework supporting device for the high and steep rocky slope support greening.
Description
Technical Field
The invention relates to the field of slope treatment, in particular to a framework supporting device for high and steep rocky slope support greening. The invention also relates to a construction method of the framework supporting device for the high and steep rock slope support greening.
Background
At present, in the greening construction of rock slopes in mine geological environment recovery and treatment engineering, a construction method of spraying and seeding foreign soil after improving the stability of the slopes by using a spray anchor net support is often adopted. In the construction process, the local side slope rock mass is often subjected to natural weathering and erosion, joints develop and are communicated, the rock mass is in a loose, broken and unstable state, a steep slope which is locally large in loss and does not meet the requirement of the design slope is generated after cutting, even a reverse slope is generated, the soil sprayed by conventional greening cannot be attached to the steep slope, a local exposed rock surface is formed, and the recovery and treatment effect of the rock side slope is influenced.
Therefore, it is necessary to provide a framework support device for supporting and greening high and steep rock slopes.
Disclosure of Invention
The first purpose of the invention is to overcome the defects of the background technology and provide a framework supporting device for supporting and greening the steep rock slope.
The second purpose of the invention is to overcome the defects of the background technology, and provide a construction method of the framework supporting device for the high and steep rock slope support greening.
In order to achieve the first object, the technical scheme of the invention is as follows: the framework supporting device for high and steep rock slope support greening is characterized in that: the anchor rod structure and the support frame structure are included; the anchor rod structure comprises an anchor rod and a thrust ring positioned at the middle upper part of the anchor rod; the middle upper part of the anchor rod is provided with a spiral groove; the fixing piece is detachably arranged on the spiral groove;
the support frame structure comprises a connecting ring, a transverse main support frame positioned on the connecting ring, and a vertical main support frame positioned on the connecting ring; the support frame structure can be sleeved on the spiral groove and positioned between the thrust ring and the fixing piece, and the transverse main support frame and the vertical main support frame on the support frame structure can be opened by screwing the fixing piece.
In the technical scheme, the fan also comprises a grid blocking fan blade; the grid blocking fan blade is provided with a connecting port which is positioned at the circle center and matched with the spiral groove.
In the technical scheme, the transverse main support frame and the vertical main support frame are both provided with auxiliary support rods.
In the technical scheme, the upper ends of the transverse main support frame and the vertical main support frame are provided with hooks.
In the above technical solution, the grid blocking fan has a plurality of holes arranged along the center of a circle.
In order to achieve the second object, the invention has the technical scheme that: the construction method of the framework supporting device for the support greening of the steep rock slope is characterized by comprising the following steps of:
step 1: determining the size, the number and the arrangement of greening devices according to the lithology and the area size of the rock slope to be repaired, and cleaning the rock surface;
step 2: drilling a hole on the rock surface, inserting the anchor rod structure into the hole, and pouring mortar;
and step 3: placing the support frame structure into the anchor rod until the thrust ring is positioned, and then screwing in the fixing piece; the transverse main supporting frame and the vertical main supporting frame on the supporting frame structure are extruded by screwing the fixing piece, and the transverse main supporting frame and the vertical main supporting frame are stressed and supported until the transverse main supporting frame, the vertical main supporting frame and the auxiliary supporting rod are firmly supported on the rock wall;
and 4, step 4: filling mixed soil into the rock wall, and attaching the mixed soil to the transverse main support frame, the vertical main support frame and the auxiliary support rods;
and 5: after the mixed soil is filled, immediately installing and fixing the grid blocking fan blades;
step 6: and (4) sowing plant seeds on the filled mixed soil.
In the technical scheme, in the step 4, the mixed soil comprises clay, straw ropes, an organic matter additive, a composite fiber material and a soil stabilizer; and filling the mixed soil for the second time after the mixed soil for the first time is filled to reach the strength, and adding plant seeds into the mixed soil for the second time.
In the above technical solution, in step 6, the plant fiber blanket is covered on the grid blocking fan blade.
In the above technical scheme, in step 6, grass seeds are arranged on the plant fiber blanket.
Compared with the prior art, the invention has the following advantages:
1) the method can effectively attach the soil to the high and steep rocky slope and strengthen the soil maintenance, thereby improving the survival rate of plants and achieving the good effect of greening and repairing the high and steep slope.
2) The auxiliary support rod is an auxiliary support rod piece, so that the contact between the support frame structure and the slope rock body can be increased, and the internal skeleton structure of the steep slope covering soil layer is enriched.
3) In the mixed soil of filling for the first time, straw rope, composite fiber material have good contact, mix soil filling back, can become the skeleton of mixed soil, increase the stability of mixed soil to avoid mixed soil to run off, and can have good being connected with bearing frame structure after later stage plant roots grows, further increase soil and keep, thereby reach the prosthetic good effect of rock matter side slope afforestation.
4) According to the invention, the external constraint force of the filled soil is increased through the grid blocking fan blades, and the soil is prevented from collapsing and losing towards the outer side of the side slope.
5) The holes of the grid blocking fan blades can play the roles of a water through hole and an air vent, and are beneficial to the growth of plants in soil; meanwhile, plant seeds in the secondarily filled mixed soil can grow out of the holes, and the greening effect of the high and steep rocky slope is further improved.
6) The plant fiber blanket contains grass seeds, can play a role in supplementing and fixing, and is matched with a greening device after plants grow out in the later period, so that the whole slope is more attractive.
7) The invention is a detachable structure, if the greening effect is not ideal due to poor plant growth or the soil is lost due to extreme rainy weather, the grid blocking fan blade can be detached at any time to replenish the mixed soil and re-sow the plant seeds, and then the grid blocking fan blade is recovered; based on the characteristics of detachability, the greening restoration of the high and steep rock slope can be supplemented and strengthened at any time so as to achieve a better greening appearance visual effect.
8) The invention overcomes the problem that the soil covering greening can not be carried out due to the too steep side slope in the rocky slope restoration and treatment engineering, and the like, and simultaneously, the construction method can be used for not only the high and steep side slope, but also the general rocky slope restoration and treatment engineering and the repair of the local missing part due to the poor rock quality, thereby achieving good side slope restoration and greening effects.
Drawings
Fig. 1 is a schematic structural view of the anchor rod structure and the support frame structure when the fixing member is not tightened according to the present invention.
Fig. 2 is a schematic structural diagram of the supporting frame structure of the present invention.
Fig. 3 is a schematic structural view of the blocking fan blade of the present invention.
Fig. 4 is a schematic structural diagram of the transverse main support frame and the vertical main support frame when the transverse main support frame and the vertical main support frame are supported by force.
Fig. 5 is a schematic structural diagram of the present invention after secondary filling of mixed soil.
FIG. 6 is a schematic view of the present invention attached to a steep rocky slope.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are not intended to limit the present invention, but are merely exemplary. While the advantages of the invention will be apparent and readily appreciated by the description.
With reference to the accompanying drawings: the framework supporting device for high and steep rock slope support greening is characterized in that: comprises an anchor rod structure 1 and a supporting frame structure 2; the anchor rod structure 1 comprises an anchor rod 11, a thrust ring 12 positioned at the middle upper part of the anchor rod 11; the middle upper part of the anchor rod 11 is provided with a spiral groove 13; the spiral groove 13 is detachably provided with a fixing piece 14;
the support frame structure 2 comprises a connecting ring 21, a transverse main support frame 22 positioned on the connecting ring 21 and a vertical main support frame 23 positioned on the connecting ring 21; the support frame structure 2 can be sleeved on the spiral groove 13 and positioned between the thrust ring 12 and the fixing piece 14, and the transverse main support frame 22 and the vertical main support frame 23 on the support frame structure 2 can be opened by screwing the fixing piece 14.
The utility model also comprises a grid block fan blade 3; the grid blocking fan blade 3 is provided with a connecting port 31 which is positioned at the center of a circle and matched with the spiral groove 13.
And the transverse main supporting frame 22 and the vertical main supporting frame 23 are both provided with auxiliary supporting rods 24.
The upper ends of the transverse main supporting frame 22 and the vertical main supporting frame 23 are provided with hooks 25.
And a plurality of holes 32 are arranged on the grid blocking fan blade 3 along the circle center.
The construction method of the framework supporting device for high and steep rock slope support greening is characterized by comprising the following steps of:
step 1: determining the size, the number and the arrangement of greening devices according to the lithology and the area size of the rock slope to be repaired, and cleaning the rock surface;
measuring the range size of a steep slope needing to be repaired and the rock property in the region on site, and determining the depth of the anchor rod structure 1, the size of the support frame structure 2, the soil covering area, the size of the grid blocking fan blades 3 and the arrangement of the device on the slope; properly squaring and excavating local broken and loosened dangerous rock mass and a strong weathering layer, and cleaning garbage and waste residues on the surface of the rock slope;
step 2: drilling a hole on the rock surface, then inserting the anchor rod 11 into the hole, and pouring M25 mortar; the hole diameter of the drilled hole is not less than 40mm, the anchor rod 11 is made of deformed steel with the diameter of 20mm, the rock-entering depth of the anchor rod 11 is not less than 1.5m, and the exposed length of the anchor rod 11 is determined according to the thickness of a position needing to be filled;
and step 3: placing the support frame structure 2 into the anchor rod 11 until the thrust ring 12 is reached, and then screwing the fixing piece 14; the transverse main supporting frame 22 and the vertical main supporting frame 23 on the supporting frame structure 2 are extruded by screwing the fixing piece 14, and the transverse main supporting frame 22 and the vertical main supporting frame 23 are stressed to be expanded until the transverse main supporting frame 22, the vertical main supporting frame 23 and the auxiliary supporting rod 24 are firmly supported on the rock wall;
and 4, step 4: filling mixed soil into the rock wall, and attaching the mixed soil to the transverse main support frame 22, the vertical main support frame 23 and the auxiliary support rod 24;
and 5: after the mixed soil is filled, the grid blocking fan blades 3 are immediately installed and fixed to prevent the soil from collapsing and losing due to lack of constraint of an exposed surface.
Step 6: sowing the seeds of the parthenocissus tricuspidata, the ivy or the dragon vines on the filled mixed soil; according to the soil fertility, humidity and weather conditions, fertilizer is applied and irrigated appropriately to promote the growth of plants.
In the step 4, the mixed soil comprises clay, straw ropes, an organic matter additive, a composite fiber material and a soil stabilizer; and filling the mixed soil for the second time after the mixed soil filled for the first time reaches the strength, and adding plant seeds into the mixed soil filled for the second time. The first filling of the mixed soil and the second filling of the mixed soil should not be performed in rainy season to prevent nutrient loss in the soil caused by rainfall.
In step 6, the grid fan blades 3 are covered with a plant fiber blanket.
In step 6, grass seeds are arranged on the plant fiber blanket.
In actual use, the length of the rock entering section of the anchor rod 11 is not less than 1.5m, the rock entering section can be adjusted according to the side slope geological condition, if local rock mass is clamped with soil, the rock entering section can be increased in length properly so as to increase the anchoring force of the anchor rod 11, and therefore the integral stability of the device is ensured; the exposed length of the anchor rod 11 is determined according to the thickness of the rock surface to be covered with soil, and if the thickness of the covered soil is 2 hours, the exposed length of the anchor rod 11 is 3 hours; the anchor rod structure 1 is suitable for high and steep rock slopes with different slope rock properties and different soil covering thicknesses; the thrust ring 12 is mainly used for propping against the support frame structure 2 and preventing the support frame structure 2 from moving forwards, a spiral groove 13 is cut on the surface of the anchor rod 11 on the thrust ring 12, and a fixing piece 14 can be screwed in.
The angle between the transverse main support frame 22 and the vertical main support frame 23 and the anchor rod 11 is 40 degrees (as shown in fig. 1), and the length of the transverse main support frame and the vertical main support frame can be adjusted according to the area of a high and steep slope of the rock mass to be covered and the shape of the steep slope section, so that the optimal arrangement of the greening device is achieved under different slope conditions. The ends of the transverse main supporting frame 22 and the vertical main supporting frame 23 are provided with hooks 25, and the hooks are gradually close to the surrounding rock mass and are firmly grabbed in the expanding process of the transverse main supporting frame 22 and the vertical main supporting frame 23.
The auxiliary support rod 24 is an auxiliary support rod piece, can increase the contact between the support frame structure 2 and the side slope rock mass, and simultaneously enriches the internal skeleton structure of the steep slope overburden.
The grid blocking fan sheets 3 are perpendicular to the anchor rods 11, and the inclination of the grid blocking fan sheets 3 can be controlled by adjusting the drilling angles of the anchor rods 11, so that the greening slope surface can achieve the effect of meeting the requirements of the whole slope surface, and the greening slope surface is more attractive.
Other parts not described belong to the prior art.
Claims (9)
1. The framework supporting device for high and steep rock slope support greening is characterized in that: comprises an anchor rod structure (1) and a supporting frame structure (2); the anchor rod structure (1) comprises an anchor rod (11) and a thrust ring (12) positioned at the middle upper part of the anchor rod (11); the middle upper part of the anchor rod (11) is provided with a spiral groove (13); a fixing piece (14) is detachably arranged on the spiral groove (13);
the support frame structure (2) comprises a connecting ring (21), a transverse main support frame (22) positioned on the connecting ring (21), and a vertical main support frame (23) positioned on the connecting ring (21); the support frame structure (2) can be sleeved on the spiral groove (13) and is positioned between the thrust ring (12) and the fixing piece (14), and the transverse main support frame (22) and the vertical main support frame (23) on the support frame structure (2) can be opened by screwing the fixing piece (14).
2. The framework supporting device for high steep rock slope support greening according to claim 1, characterized in that: the device also comprises a grid blocking fan blade (3); the grid blocking fan sheet (3) is provided with a connecting port (31) which is positioned at the circle center and matched with the spiral groove (13).
3. The framework supporting device for high and steep rocky slope support greening according to claim 1 or 2, wherein: and auxiliary support rods (24) are arranged on the transverse main support frame (22) and the vertical main support frame (23).
4. The framework supporting device for high steep rock slope support greening according to claim 3, characterized in that: the upper ends of the transverse main support frame (22) and the vertical main support frame (23) are respectively provided with a hook (25).
5. The framework supporting device for high steep rock slope support greening according to claim 4, characterized in that: and the grid blocking fan blades (3) are provided with a plurality of holes (32) arranged along the circle center.
6. The construction method of the framework supporting device for the support and greening of the high and steep rock slopes as claimed in claim 5, is characterized by comprising the following steps:
step 1: determining the size, the number and the arrangement of greening devices according to the lithology and the area size of the rock slope to be repaired, and cleaning the rock surface;
step 2: drilling a hole on the rock surface, then inserting an anchor rod (11) into the hole, and pouring mortar;
and step 3: placing the support frame structure (2) into the anchor rod (11) until the thrust ring (12) is reached, and then screwing the fixing piece (14); the transverse main supporting frame (22) and the vertical main supporting frame (23) on the supporting frame structure (2) are extruded by screwing the fixing piece (14), and the transverse main supporting frame (22) and the vertical main supporting frame (23) are stressed to be supported until the transverse main supporting frame (22), the vertical main supporting frame (23) and the auxiliary supporting rod (24) are firmly supported on a rock wall;
and 4, step 4: filling mixed soil into the rock wall, and attaching the mixed soil to the transverse main support frame (22), the vertical main support frame (23) and the auxiliary support rod (24);
and 5: after the mixed soil is filled, immediately installing and fixing the grid blocking fan blades (3);
step 6: and (4) sowing plant seeds on the filled mixed soil.
7. The method for constructing a framework supporting device for supporting and greening the steep rocky slope according to claim 6, wherein in the step 4, the mixed soil comprises clay, straw ropes, organic matter additives, composite fiber materials and soil stabilizers; and filling the mixed soil for the second time after the mixed soil filled for the first time reaches the strength, and adding plant seeds into the mixed soil filled for the second time.
8. The method for constructing the framework supporting device for the support and greening of the high and steep rock slopes as claimed in claim 7, wherein in the step 6, the block fan blades (3) are covered with a plant fiber blanket.
9. The method for constructing a framework supporting device for supporting and greening the high and steep rock slopes as claimed in claim 8, wherein in step 6, grass seeds are arranged on the plant fiber blanket.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010616981.8A CN111809635B (en) | 2020-07-01 | 2020-07-01 | Framework supporting device for high and steep rock slope support greening and construction method thereof |
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| CN202010616981.8A CN111809635B (en) | 2020-07-01 | 2020-07-01 | Framework supporting device for high and steep rock slope support greening and construction method thereof |
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| CN111809635B CN111809635B (en) | 2022-06-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709240A (en) * | 2020-12-29 | 2021-04-27 | 华能澜沧江水电股份有限公司 | Reinforcing anchor rod for fractured and loosened rock mass slope and construction monitoring method |
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| KR960041557A (en) * | 1995-05-12 | 1996-12-19 | 박정서 | Mesh structure for protecting slope slope surface and block for the mesh structure |
| JP2004003257A (en) * | 2002-04-16 | 2004-01-08 | Kubota Corp | Slope vegetation structure and its slope construction method |
| KR100665338B1 (en) * | 2006-06-09 | 2007-01-09 | 주식회사 퍼머크립코리아 | Latticed assembly of retaing wall with soil nailing and anchor |
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| CN111809635B (en) | 2022-06-17 |
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Address after: 430010 No. 1863 Jiefang Avenue, Jiang'an District, Hubei, Wuhan Applicant after: Changjiang Geotechnical Engineering Co.,Ltd. Address before: 430010 No. 1863 Jiefang Avenue, Jiang'an District, Hubei, Wuhan Applicant before: CHANGJIANG GEOTECHNICAL ENGINEERING Corp. |
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