CN111305234B - Slope ecological protection blanket structure and construction method - Google Patents
Slope ecological protection blanket structure and construction method Download PDFInfo
- Publication number
- CN111305234B CN111305234B CN201911183064.9A CN201911183064A CN111305234B CN 111305234 B CN111305234 B CN 111305234B CN 201911183064 A CN201911183064 A CN 201911183064A CN 111305234 B CN111305234 B CN 111305234B
- Authority
- CN
- China
- Prior art keywords
- water storage
- layer
- water
- vegetation concrete
- slope
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010276 construction Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 158
- 239000004568 cement Substances 0.000 claims abstract description 98
- 238000003860 storage Methods 0.000 claims abstract description 79
- 230000006641 stabilisation Effects 0.000 claims abstract description 3
- 238000011105 stabilization Methods 0.000 claims abstract description 3
- 238000005507 spraying Methods 0.000 claims description 40
- 239000002994 raw material Substances 0.000 claims description 24
- 239000002689 soil Substances 0.000 claims description 23
- 229920002748 Basalt fiber Polymers 0.000 claims description 22
- 239000003795 chemical substances by application Substances 0.000 claims description 19
- 239000007921 spray Substances 0.000 claims description 18
- 239000011435 rock Substances 0.000 claims description 17
- 229920000742 Cotton Polymers 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000002250 absorbent Substances 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims description 4
- 238000003973 irrigation Methods 0.000 claims description 3
- 230000002262 irrigation Effects 0.000 claims description 3
- 238000007788 roughening Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims 1
- 238000001556 precipitation Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 77
- 230000008635 plant growth Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 3
- 238000002791 soaking Methods 0.000 description 3
- 241001464837 Viridiplantae Species 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 230000002633 protecting effect Effects 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
- A01G25/00—Watering gardens, fields, sports grounds or the like
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
Abstract
The invention provides a slope ecological protection blanket structure and a construction method thereof. The whole slope ecological protection blanket structure is formed by the expansion cement blanket structure, the vegetation concrete structure, the water storage and drainage system and the fixing system, and the slope ecological protection blanket structure can effectively play roles in slope stabilization, drainage and water storage. The accumulated water is the slope precipitation, and the cost of manual water application under the drought condition is reduced.
Description
Technical Field
The invention relates to the technical field of slope protection, in particular to a slope ecological protection blanket structure and a construction method.
Background
At present, the steep slope reinforcement treatment is commonly used in the plant-growing concrete technology, the plant-growing concrete is mainly fixed on the surface of the slope through a film bag to play a role in protection, and the slope is effectively reinforced through plant growth and concrete hardening. However, the strength of the slope in a dry-wet cycle for a long time in the climate change process can be reduced and the slope can be damaged under the action of the green concrete planting technology. Meanwhile, the moisture of plant growth in dry seasons cannot be effectively guaranteed. Aiming at the series of problems, whether the rainfall contacted with the side slope can be effectively reduced and the rainfall is supplied to the plant growth becomes a key.
Disclosure of Invention
The invention aims to provide a slope ecological protection blanket structure and a construction method, which combines plant-growing concrete and a cement blanket to design the ecological protection blanket structure with rapid construction. The side slope is properly grooved, and the water saving facility and the water draining facility are arranged, so that the accumulated water quantity of the side slope in rainy season can be reduced, and the minimum water consumption of the vegetation on the side slope in dry season can be supplemented. And the slope surface precipitation is prevented from having the integral soaking and softening effect on the ecological protection blanket by taking a stabilizing measure in an auxiliary mode.
In order to achieve the technical features, the invention is realized as follows: a slope ecological protection blanket structure comprises an expansion cement blanket structure, a vegetation concrete structure, a water storage and drainage system and a fixing system; the expansion cement blanket structure is fixed by clinging to the slope surface of the side slope through a fixing system, and the vegetation concrete structure clings to the upper surface of the expansion cement blanket structure; the water storage and drainage system is arranged between the top of the side slope and the vegetation concrete structure and is used for irrigation of vegetation.
The expansion cement blanket structure comprises a cement hardened layer, basalt fibers, lattice nets, an expanding agent and inverted hooks, wherein the cement hardened layer and the basalt fibers are uniformly filled between the two lattice nets, the expanding agent is arranged in the lattice nets at intervals, the basalt fibers are in a variable-section rod-shaped form, and the inverted hooks are arranged on the back of the cement hardened layer.
The vegetation concrete structure comprises a thin spraying layer, a vegetation concrete raw material spraying layer, basalt fibers, a main pipeline, branch pipelines and water-absorbing resin; the thin spraying layer covers the surface of a rock-soil slope, basalt fibers are mixed in the middle of the vegetation concrete raw material spraying layer, a main pipeline arranged along the slope is arranged inside the vegetation concrete raw material spraying layer, branch pipelines are divided from the main pipeline at intervals, water release pores are formed in the surfaces of the main pipeline and the branch pipelines, water absorption resin capable of storing and slowly releasing water is filled inside the main pipeline and the branch pipelines, and threads or crescent threads are formed in the surfaces of the main pipeline and the branch pipelines.
The water storage and drainage system comprises a drainage ditch, a main pipeline, a water diversion pipeline, a water interception ditch filter screen, a groove type water storage pit and a water storage pit prefabricated part, wherein the upper part of the main pipeline is connected with the sloping water interception ditch through the water diversion pipeline, the top of the water interception ditch is provided with the water interception ditch filter screen, and the periphery of the main pipeline is connected with the groove type water storage pit through a water absorption cotton rope; the groove type water storage pit is fixed on a rock-soil layer through a water storage pit prefabricated part and an anchor rod in a combined mode, the anchor rod is fixed at the upper end of the groove type water storage pit, the lower end of the water storage pit prefabricated part is pulled on the anchor rod through a steel strand, and reinforcing and waterproof treatment are conducted on two sides of the water storage pit prefabricated part.
The fixing system comprises an anchor bolt, a thin spraying layer, an inverted hook and a ballast device, wherein the anchor bolt penetrates through a small hole reserved at the edge of the expansion cement blanket structure and the edge of the vegetation concrete structure and is fixed in a rock stratum, roughening treatment is carried out on the surface of the thin spraying layer, the inverted hook is connected with the thin spraying layer hook, and the ballast device carries out ballast stabilization on the expansion cement blanket structure and the vegetation concrete structure.
The construction method of the slope ecological protection blanket structure comprises the following steps:
step 1: firstly, primarily observing and evaluating a controlled side slope, and for the side slope without serious unevenness of a rock-soil layer, uniformly digging transverse drainage ditches at intervals along the slope surface, then making a thin spraying layer on the surface of a rock stratum, and performing roughening treatment on the thin spraying layer after initial setting to ensure that the thin spraying layer is dried and shaped to form a rough hole shape;
step 2: anchor nails are arranged at four corners of a block uniformly divided by the drainage ditch, a groove type water storage pit is dug at a place where the water storage pit needs to be arranged, an anchor rod is deeply inserted into a rock stratum, a prefabricated member of the water storage pit is fixed in a rock-soil slope, the lower end of the prefabricated member of the water storage pit is pulled at the upper end of the anchor nail of a lower side structure by a steel strand, and then reinforced waterproof treatment is carried out on two sides of the prefabricated member of the water storage pit;
and step 3:
the method comprises the following steps: firstly, an expansion cement blanket structure is hooked on a thin sprayed layer on the surface of a rock stratum through an inverted hook and a ballast device, then water spraying treatment is carried out on the surface of a lattice net, a cement hardened layer in the cement hardened layer is subjected to chemical hardening reaction, an expanding agent filled in a middle section of the cement hardened layer is expanded in water to form a rugged expansion cement blanket structure surface, then water spraying treatment is carried out on the lower surface of a vegetation concrete structure, so that the vegetation concrete raw material sprayed layer on the lower surface of the vegetation concrete structure is subjected to reaction, and the vegetation concrete raw material sprayed layer and the vegetation concrete structure are tightly attached together by means of the ballast device;
the second method comprises the following steps: firstly, a prefabricated part with a vegetation concrete raw material spray layer and a vegetation concrete structure integrated is made, namely before a rock-soil layer is hung, water is sprayed between the vegetation concrete raw material spray layer and the vegetation concrete structure to enable a cement hardened layer and an expanding agent to react and bond together, then the integrated prefabricated part is hung on a thin spray layer on the surface of the rock-soil layer in a blocking manner by means of a ballast device, and then grouting treatment is carried out between the integrated prefabricated part and the thin spray layer;
and 4, step 4: the intercepting ditch is arranged on the slope plane, the intercepting ditch filter screen is arranged on the intercepting ditch, the upper part of the main pipeline is connected with the water diversion pipeline, the water diversion pipeline is connected with the intercepting ditch, the lower part of the main pipeline is connected with the water storage pit through the water absorption cotton rope, and the main pipeline is connected with one branch pipeline at intervals.
And in the step 2, the water storage tank is replaced when the groove type water storage pit is installed, and the water storage tank is fixed on the rock-soil layer through the anchor rod.
The invention has the following beneficial effects:
1. the expanded cement blanket structure of the invention comprises the following components: the cement hardened base layer skeleton made of basalt fibers is added in the middle of the cement hardened layer, so that high breaking strength and good tensile property of the cement blanket during sagging can be ensured for a long time, the friction force between the fibers and cement can be increased, and the unstable skeleton caused by sliding of the fibers after the cement is poured and fixed is avoided; the interlayer section of the cement hardened layer is filled with the expanding agent, and the surface of the cement hardened layer forms an uneven shape after meeting water, so that the friction force between the cement blanket and the vegetation concrete can be increased, and the stability of the vegetation concrete attached to the cement blanket is improved; the inverted hook on the back of the cement blanket is embedded into the grouting layer when the cement blanket generates downward pulling force, so that the insecure of vegetation concrete and a cement blanket structure due to overlarge gravity can be avoided, and the stability of the cement blanket attached to a rock-soil layer is improved. The latticed mesh can separate the cement containing the expanding agent from the cement without the expanding agent, so that the surface of the expanded cement blanket is provided with uniformly distributed expanded bulges at intervals, and the expanded cement blanket has the functions of increasing the contact area and increasing the friction force. The lattice network may also provide a better supporting framework for the cement. The expansion cement blanket structure can effectively prevent the slope from precipitation and has the function of softening the ecological protection blanket by soaking.
2. In the vegetation concrete structure of the present invention: the cement hardened base skeleton made of basalt fibers is added in the middle of the vegetation concrete raw material spraying layer, so that high breaking strength and good tensile property of the vegetation concrete when the vegetation concrete sags can be ensured for a long time; the surface of the pipeline formed by weaving and winding the fibers is provided with naturally formed water release pores, so that the trouble of processing and punching can be saved, the moisture required by plant growth can be released slowly for a long time, and meanwhile, the water-absorbent resin can store the slow release water, so that the rapid loss of the moisture is avoided; the water conduit with the coating ensures that rainwater is collected and stored to the maximum extent during natural rainfall; the filter screen can prevent that silt from blocking the mouth of pipe, convenient timing clearance, and trunk line and lateral conduit have the water logging in can guaranteeing the vegetation concrete in every region as far as possible.
4. In the water storage and drainage system of the invention: the water storage tank and the groove type water storage pit can store a large amount of water, so that the water can be supplied to surrounding pipelines for a long time and green plants can survive, and the water storage tank can also be used as middle supporting force of vegetation concrete; the accumulated water is led out from the intercepting drain by the water conduit to provide nutrients for plant growth in vegetation concrete, a filter screen of the intercepting drain can filter sundries and prevent mud stones and fallen leaves from silting up, the water-absorbing cotton rope can introduce the accumulated water in the groove-type water storage pit into the main conduit, the anchor rod extends into the rock stratum to guarantee the stability of the structure of the ecological protection blanket, the groove-type water storage pit has a good water storage effect, and the water cannot permeate into the rock stratum; the steel strand wires make each side slope ecological protection blanket structure interconnect together, have strengthened overall stability. The water storage and drainage system can ensure that the plant only needs to draw water from the water storage system during growth, and reduces the cost of manual water application under the drought condition.
5. In the fixation system of the present invention: the thin layer surface of spouting is done the chisel hair and is handled and make more firm with being connected of overhead hook, and ballast device makes closely to press close to more closely between inflation cement blanket structure, vegetation concrete structure, rock mass slope more closely, and difficult fracture damages.
6. The invention relates to a slope ecological protection blanket structure and a construction method, wherein the slope ecological protection blanket structure comprises the following steps: the common vegetation concrete and the cement blanket are combined, so that the purposes of short-term greening and long-term reinforcement are realized, and compared with the conventional single vegetation concrete or cement blanket, the greening and protecting effects are higher.
7. The invention relates to a vegetation concrete and cement blanket structure which comprises the following components: the installation mode adopts the mode that the prefabricated component is installed to the ballast device piecemeal, compares in the past large tracts of land operation convenient and fast more.
Drawings
The invention is further illustrated by the following figures and examples.
Fig. 1 is an overall layout view of the ecological protection blanket of the present invention.
Fig. 2 is a top view of the ecological protection blanket of the present invention.
Fig. 3 is a schematic cross-sectional view of the ecological protection blanket of the present invention.
FIG. 4 is a schematic view of a trough-type water storage pit according to the present invention.
In the figure: the device comprises a cement hardened layer 1, basalt fibers 2, a lattice network 3, branch pipelines 4, an expanding agent 5, an inverted hook 6, a thin spraying layer 7, anchoring bolts 8, water release holes 9, a main pipeline 10, a vegetation concrete raw material spraying layer 11, water-absorbent resin 12, a water diversion pipeline 13, an intercepting ditch 14, an intercepting ditch filter screen 15, steel strands 16, anchor rods 18, a water storage pit prefabricated component 19, a drainage ditch 20 and water-absorbent cotton ropes 21.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
referring to fig. 1-4, a slope ecological protection blanket structure comprises an expansion cement blanket structure, a vegetation concrete structure, a water storage and drainage system and a fixing system; the expansion cement blanket structure is fixed by clinging to the slope surface of the side slope through a fixing system, and the vegetation concrete structure clings to the upper surface of the expansion cement blanket structure; the water storage and drainage system is arranged between the top of the side slope and the vegetation concrete structure and is used for irrigation of vegetation. The ecological protection blanket structure with rapid construction is designed by combining the plant-growing concrete and the cement blanket through the structure. The side slope is properly grooved, and the water saving facility and the water draining facility are arranged, so that the accumulated water quantity of the side slope in rainy season can be reduced, and the minimum water consumption of the vegetation on the side slope in dry season can be supplemented. And the slope surface precipitation is prevented from having the integral soaking and softening effect on the ecological protection blanket by taking a stabilizing measure in an auxiliary mode.
Further, the expanded cement blanket structure comprises a hardened cement layer 1, basalt fibers 2, lattice nets 3, an expanding agent 5 and inverted hooks 6, wherein the hardened cement layer 1 and the basalt fibers 2 are uniformly filled between the two lattice nets 3, the expanding agent 5 is arranged in the lattice nets 3 at intervals, the basalt fibers 2 are in a variable-section rod-shaped form, and the inverted hooks 6 are arranged on the back of the hardened cement layer 1.
By adopting the expansion cement blanket structure, the cement hardened base skeleton made of the basalt fiber 2 is added in the middle of the cement hardened layer 1, so that the high breaking strength and the good tensile property of the cement blanket can be ensured for a long time when the cement blanket sags, the friction force between the basalt fiber 2 and the cement can be increased, and the skeleton is not unstable due to sliding of the basalt fiber 2 after the cement is poured and fixed; the expansion agent 5 is filled in the interval section in the cement hardened layer 1, and the surface of the cement hardened layer forms an uneven shape after meeting water, so that the friction force between the cement blanket and the vegetation concrete can be increased, and the stability of the vegetation concrete attached to the cement blanket is improved; the inverted hook 6 on the back of the cement blanket is embedded into the grouting layer when the cement blanket generates downward tension, so that the insecure of vegetation concrete and a cement blanket structure due to overlarge gravity can be avoided, and the stability of the cement blanket attached to a rock-soil layer is improved. The latticed mesh can separate the cement containing the expanding agent from the cement without the expanding agent, so that the surface of the expanded cement blanket is provided with uniformly distributed expanded bulges at intervals, and the expanded cement blanket has the functions of increasing the contact area and increasing the friction force. The lattice network may also provide a better supporting framework for the cement.
Further, the vegetation concrete structure comprises a thin spraying layer 7, a vegetation concrete raw material spraying layer 11, basalt fibers 2, a main pipeline 10, branch pipelines 4 and water-absorbing resin 12; the thin spraying layer 7 covers the surface of a rock-soil slope, basalt fibers 2 are mixed in the middle of the vegetation concrete raw material spraying layer 11, a main pipeline 10 arranged along the slope is arranged inside the vegetation concrete raw material spraying layer 11, branch pipelines 4 are divided from the main pipeline 10 at intervals, water release holes 9 are formed in the surfaces of the main pipeline 10 and the branch pipelines 4, water absorption resin 12 capable of storing and slowly releasing water is filled in the main pipeline 10 and the branch pipelines 4, and threads or crescent threads are formed in the surfaces of the main pipeline 10 and the branch pipelines 4.
By adopting the vegetation concrete structure, the cement hardened base skeleton made of the basalt fiber 2 is added in the vegetation concrete raw material spraying layer 11, so that the high breaking strength and good tensile property of the vegetation concrete during sagging can be ensured for a long time; the surface of the pipeline formed by weaving and winding the fibers is provided with the naturally formed water release pores 9, so that the trouble of processing and punching can be saved, the moisture required by plant growth can be released slowly for a long time, and meanwhile, the water-absorbent resin 12 can store the slow release water, so that the rapid loss of the moisture is avoided; the water conduit 13 with the coating ensures that rainwater is collected and stored to the maximum extent during natural rainfall; the filter screen 15 can prevent silt from blocking the pipe orifice, and is convenient to clean at regular time, and the main pipe 10 and the branch pipes 4 can ensure that the vegetation concrete in each area is soaked in water as much as possible; the installation mode of the vegetation concrete structure adopts the mode that the prefabricated components are installed in the ballast device in blocks, and is more convenient and quicker compared with the traditional large-area operation; the common vegetation concrete and the cement blanket are combined, so that the purposes of short-term greening and long-term reinforcement are realized, and compared with the conventional single vegetation concrete or cement blanket, the greening and protecting effects are higher.
Further, the water storage and drainage system comprises a drainage ditch 20, a main pipeline 10, a water diversion pipeline 13, a catch basin 14, a catch basin filter screen 15, a groove type water storage pit 17 and a water storage pit prefabricated part 19, wherein the upper part of the main pipeline 10 is connected with the sloping catch basin 14 through the water diversion pipeline 13, the top of the catch basin 14 is provided with the catch basin filter screen 15, and the periphery of the main pipeline 10 is connected with the groove type water storage pit 17 through a water absorption cotton rope 21; the groove type water storage pit 17 is fixed on a rock-soil layer through a water storage pit prefabricated part 19 and an anchor rod 18 in a combined mode, the anchor rod 18 is fixed at the upper end of the groove type water storage pit 17, the lower end of the water storage pit prefabricated part 19 is pulled on the anchor rod 18 through a steel strand 16, and two sides of the water storage pit prefabricated part 19 are subjected to reinforcing and waterproof treatment.
In the specific working process, the water storage tank and the groove type water storage pit 17 can store a large amount of water, so that the water can be supplied to surrounding pipelines for a long time and green plants can survive, and the water storage tank can also be used as the middle supporting force of vegetation concrete; the water conduit 13 draws accumulated water from the intercepting ditch 14 to provide nutrients for plant growth in vegetation concrete, the intercepting ditch filter screen 15 can filter sundries and prevent mud stones and fallen leaves from silting up, the water-absorbing cotton rope 21 can introduce the accumulated water in the groove-type water storage pit 17 into the main conduit 10, the anchor rod 18 extends into the rock stratum to guarantee the stability of the structure of the ecological protection blanket, the groove-type water storage pit 17 has a good water storage effect, and the water cannot permeate into the rock stratum; the steel strand wires 16 enable the ecological protection blanket structure of each side slope to be connected together, and the overall stability is enhanced.
Further, fixing system includes anchor 8, thin layer 7 that spouts, overhead hook 6 and ballast device, anchor 8 passes the aperture that inflation cement blanket structure and vegetation concrete structure edge were reserved to fix in the stratum, the processing of chiseling is done on thin layer 7 surface of spouting, overhead hook 6 is connected with thin layer 7 hook of spouting, ballast device carries out the ballast to inflation cement blanket structure and vegetation concrete structure and stabilizes. Through foretell fixing system, the thin layer 7 surface of spouting is makeed the chisel hair and is handled and make and be connected more firm with the overhead hook 6, and ballast device makes closely to press close to between inflation cement blanket structure, vegetation concrete structure, the rock mass side slope more closely compactlyer, difficult fracture damage.
Example 2:
the construction method of the slope ecological protection blanket structure comprises the following steps:
step 1: firstly, primarily observing and evaluating a controlled side slope, and for the side slope without serious unevenness of a rock-soil layer, uniformly digging transverse drainage ditches 20 at intervals along the slope surface, then making a thin spray layer 7 on the surface of a rock stratum, and performing chiseling treatment on the thin spray layer 7 after initial setting to form a rough hole shape after drying and shaping in the thin spray layer 7;
step 2: punching anchor bolts 8 at four corners of blocks uniformly divided by a drainage ditch 20, digging a groove type water storage pit 17 at a place where the water storage pit needs to be arranged, enabling an anchor rod 18 to go deep into a rock stratum, fixing a prefabricated member 19 of the water storage pit in a rock-soil slope, drawing the lower end of the prefabricated member of the water storage pit at the upper end of the anchor bolt 8 of a lower side structure by using a steel strand 16, and then performing reinforcing and waterproof treatment on two sides of the prefabricated member 19 of the water storage pit;
and step 3:
the method comprises the following steps: firstly, an expansion cement blanket structure is hooked on a thin spray layer 7 on the surface of a rock stratum through an inverted hook 6 and a ballast device, then water spraying treatment is carried out on the surface of a latticed net 3, the cement hardened layer 1 in the expansion cement blanket structure is subjected to chemical hardening reaction, an expanding agent 5 filled in the cement hardened layer 1 at intervals is subjected to water expansion to form a rugged expansion cement blanket structure surface, then water spraying treatment is carried out on the lower surface of a vegetation concrete structure, so that the vegetation concrete raw material spray layer 11 on the lower surface of the vegetation concrete structure is subjected to reaction, and the vegetation concrete raw material spray layer 11 and the vegetation concrete structure are tightly attached together by the aid of the ballast device;
the second method comprises the following steps: firstly, a prefabricated part with a vegetation concrete raw material spray layer 11 and a vegetation concrete structure integrated is made, namely before a rock-soil layer is hung, water is sprayed between the vegetation concrete raw material spray layer 11 and the vegetation concrete structure to enable a cement hardened layer 1 and an expanding agent 5 to react and bond together, then the integrated prefabricated part is hung on a thin spray layer 7 on the surface of the rock-soil layer in a blocking mode by means of a ballast device, and then grouting treatment is carried out between the integrated prefabricated part and the thin spray layer 7;
and 4, step 4: the intercepting ditch 14 is arranged on the slope plane, the intercepting ditch filter screen 15 is arranged on the intercepting ditch 14, the upper part of the main pipeline 10 is connected with the water diversion pipeline 13, the water diversion pipeline 13 is connected with the intercepting ditch 14, the lower part of the main pipeline is connected with the groove type water storage pit 17 through the water absorption cotton rope 21, and the main pipeline 10 is connected with one branch pipeline 4 at intervals.
In the step 2, the water storage tank is replaced when the groove type water storage pit 17 is installed, and the water storage tank is fixed on the rock-soil layer through the anchor rod 18.
Claims (3)
1. The construction method of the slope ecological protection blanket structure comprises an expanded cement blanket structure, a vegetation concrete structure, a water storage and drainage system and a fixing system; the expansion cement blanket structure is fixed by clinging to the slope surface of the side slope through a fixing system, and the vegetation concrete structure clings to the upper surface of the expansion cement blanket structure; the water storage and drainage system is arranged between the top of the side slope and the vegetation concrete structure and is used for irrigation of vegetation;
the expanded cement blanket structure comprises a cement hardened layer (1), basalt fibers (2), lattice nets (3), an expanding agent (5) and inverted hooks (6), wherein the cement hardened layer (1) and the basalt fibers (2) are uniformly filled between the two lattice nets (3), the expanding agent (5) is arranged in the lattice nets (3) at intervals, the basalt fibers (2) are in a variable-section rod-shaped form, and the inverted hooks (6) are arranged on the back surface of the cement hardened layer (1);
the vegetation concrete structure comprises a thin spraying layer (7), a vegetation concrete raw material spraying layer (11), basalt fibers (2), a main pipeline (10), branch pipelines (4) and water-absorbent resin (12); the thin spraying layer (7) covers the surface of a rock-soil slope, basalt fibers (2) are mixed in the middle of the vegetation concrete raw material spraying layer (11), a main pipeline (10) arranged along the slope is arranged inside the vegetation concrete raw material spraying layer (11), branch pipelines (4) are divided from the main pipeline (10) at intervals, water release pores (9) are formed in the surfaces of the main pipeline (10) and the branch pipelines (4), water absorbing resin (12) capable of storing and slowly releasing water is filled in the main pipeline (10) and the branch pipelines (4), and threads or crescent threads are formed in the surfaces of the main pipeline (10) and the branch pipelines (4);
the water storage and drainage system comprises a drainage ditch (20), a main pipeline (10), a water diversion pipeline (13), a catch basin (14), a catch basin filter screen (15), a groove type water storage pit (17) and a water storage pit prefabricated part (19), wherein the upper part of the main pipeline (10) is connected with the sloping catch basin (14) through the water diversion pipeline (13), the top of the catch basin (14) is provided with the catch basin filter screen (15), and the periphery of the main pipeline (10) is connected with the groove type water storage pit (17) through a water absorption cotton rope (21); the groove type water storage pit (17) is fixed on a rock-soil layer through a water storage pit prefabricated part (19) and an anchor rod (18) in a combined mode, the anchor rod (18) is fixed at the upper end of the groove type water storage pit (17), the lower end of the water storage pit prefabricated part (19) is pulled on the anchor rod (18) through a steel strand (16), and two sides of the water storage pit prefabricated part (19) are subjected to reinforcing and waterproof treatment;
the construction method is characterized by comprising the following steps:
step 1: firstly, preliminarily observing and evaluating a controlled side slope, and for the side slope without serious unevenness of a rock-soil layer, uniformly digging transverse drainage ditches (20) at intervals along the slope surface, then making a thin spraying layer (7) on the surface of a rock stratum, and performing scabbling treatment on the thin spraying layer (7) after initial setting to dry and shape the thin spraying layer (7) to form a rough hole shape;
step 2: punching rivets (8) at four corners of a block uniformly divided by a drainage ditch (20), digging a groove type water storage pit (17) at a place where the water storage pit needs to be arranged, enabling an anchor rod (18) to go deep into a rock stratum, fixing a prefabricated member (19) of the water storage pit in a rock-soil slope, drawing the lower end of the prefabricated member (19) of the water storage pit at the upper end of the rivet (8) of a lower side structure by using a steel strand (16), and then performing reinforcing and waterproof treatment on two sides of the prefabricated member (19) of the water storage pit;
and step 3:
the method comprises the following steps: firstly, an expansion cement blanket structure is hooked on a thin spraying layer (7) on the surface of a rock stratum through an inverted hook (6) and a ballast device, then water spraying treatment is carried out on the surface of a lattice net (3), so that a cement hardened layer (1) in the cement blanket structure generates chemical hardening reaction, an expanding agent (5) filled in a partition section in the cement hardened layer (1) expands in water to form a rugged expansion cement blanket structure surface, then water spraying treatment is carried out on the lower surface of a vegetation concrete structure, so that the vegetation concrete raw material spraying layer (11) on the lower surface of the vegetation concrete structure reacts, and the vegetation concrete raw material spraying layer (11) and the vegetation concrete structure are tightly attached together by means of the ballast device;
the second method comprises the following steps: firstly, a vegetation concrete raw material spray layer (11) and a vegetation concrete structure are manufactured into a whole prefabricated part, namely before a rock-soil layer is hung, water is sprayed between the vegetation concrete raw material spray layer (11) and the vegetation concrete structure to enable a cement hardened layer (1) and an expanding agent (5) to react and bond together, then the integral prefabricated part is hung on a thin spray layer (7) on the surface of the rock-soil layer in a blocking mode by means of a ballast device, and then grouting treatment is carried out between the integral prefabricated part and the thin spray layer (7);
and 4, step 4: the intercepting ditch (14) is arranged on the slope plane, the intercepting ditch filter screen (15) is arranged on the intercepting ditch (14), the upper part of the main pipeline (10) is connected with the water diversion pipeline (13), the water diversion pipeline (13) is connected with the intercepting ditch (14), the lower part of the main pipeline is connected with the groove type water storage pit (17) through the water absorption cotton rope (21), and the main pipeline (10) is connected with one branch pipeline (4) at intervals.
2. The construction method of the slope ecological protection blanket structure according to claim 1, characterized in that: the fixing system comprises anchor bolts (8), a thin spraying layer (7), inverted hooks (6) and a ballast device, wherein the anchor bolts (8) penetrate through small holes reserved at the edges of the expansion cement blanket structure and the vegetation concrete structure and are fixed in a rock stratum, roughening treatment is carried out on the surface of the thin spraying layer (7), the inverted hooks (6) are connected with the hooks of the thin spraying layer (7), and the ballast device carries out structural ballast stabilization on the expansion cement blanket structure and the vegetation concrete.
3. The construction method of the slope ecological protection blanket structure according to claim 1, characterized in that: in the step 2, the water storage tank is replaced when the groove type water storage pit (17) is installed, and the water storage tank is fixed on the rock-soil layer through an anchor rod (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911183064.9A CN111305234B (en) | 2019-11-27 | 2019-11-27 | Slope ecological protection blanket structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911183064.9A CN111305234B (en) | 2019-11-27 | 2019-11-27 | Slope ecological protection blanket structure and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111305234A CN111305234A (en) | 2020-06-19 |
| CN111305234B true CN111305234B (en) | 2021-11-02 |
Family
ID=71157927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911183064.9A Active CN111305234B (en) | 2019-11-27 | 2019-11-27 | Slope ecological protection blanket structure and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111305234B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982002B (en) * | 2021-12-06 | 2022-11-18 | 中铁二院工程集团有限责任公司 | Construction method of light side slope framework structure |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2366776C2 (en) * | 2007-07-11 | 2009-09-10 | ФГОУ ВПО "Кабардино-Балкарская государственная сельскохозяйственная академия" | Method for construction of fixture in winter time |
| CN106351238B (en) * | 2016-10-17 | 2019-02-01 | 三峡大学 | Plant cover concrete Double-protection selvage slope ecology greening system and the method for carrying out slope ecological greening using the system |
| CN108633540B (en) * | 2018-04-13 | 2019-12-10 | 三峡大学 | Underwater different-flow-velocity area greening system and method |
| CN108834628B (en) * | 2018-05-16 | 2020-11-06 | 三峡大学 | Vertical slope greening device and method for fixing vegetation concrete by using cement blanket plate |
| CN109356174A (en) * | 2018-10-26 | 2019-02-19 | 西南交通大学 | A kind of protecting slope ecology method |
| CN109972468B (en) * | 2019-03-19 | 2021-10-29 | 温州大学 | Construction method for reinforcing hydraulic fill sand embankment |
| CN110402720B (en) * | 2019-07-15 | 2021-05-04 | 三峡大学 | Slope greening structure water replenishing and draining control method based on combined supporting of hanging plate and sun shield |
-
2019
- 2019-11-27 CN CN201911183064.9A patent/CN111305234B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111305234A (en) | 2020-06-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208136927U (en) | A kind of soil cutting side slope supporting construction | |
| WO2019205068A1 (en) | Ecological geogrid for slope protection | |
| CN113174973B (en) | Soft rock side slope ecological protection structure and construction method thereof | |
| CN205314115U (en) | High steep side slope combined supporting greening structure of highway | |
| CN107964963B (en) | Repair technology and construction method for high-steep slope wound surface fiber skeleton aggregate structure | |
| CN111305234B (en) | Slope ecological protection blanket structure and construction method | |
| CN205591232U (en) | Ecological compound green protective structure of rock matter side slope and curing means | |
| CN103526953B (en) | The roof panel processing method that bearing capacity is inadequate | |
| CN111593748A (en) | Ecological protection structure of broken rock abrupt slope and construction method thereof | |
| CN111894013B (en) | Ecological restoration method for side slope of damaged mountain | |
| CN103993606A (en) | Stereoscopic protective method of soft side slope | |
| CN211547762U (en) | A ecological blanket structure for ecological bank protection | |
| CN110656653B (en) | Double-curve anchor head structure side slope protection device and construction method | |
| CN209816870U (en) | Steep concrete frame beam slope protection system beneficial to growth of slope vegetation | |
| KR20080092594A (en) | A slope greening method using porous material and planting mat | |
| CN109356174A (en) | A kind of protecting slope ecology method | |
| CN111501667B (en) | Ecological slope protection structure for hydraulic engineering | |
| CN208501621U (en) | A kind of combined type river channel ecology slope protection | |
| CN209620048U (en) | A kind of structure of the tall and big effective soil horizon of precipitous rock slope ecological protection | |
| JP2016153596A (en) | Filler for repairing slope surface sprayed with mortar or concrete, and repair method and repair structure, and greening method and greening structure using the same | |
| CN113367057B (en) | Slope greening method based on micro-irrigation technology | |
| CN110714470A (en) | Slope protection system for soil slope and construction method thereof | |
| CN220935593U (en) | Large-gradient soil-alien spraying grass planting system | |
| CN216615911U (en) | Plant growth bag and ecological protective structure with active protective net | |
| CN211200417U (en) | TBS slope protection system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20200619 Assignee: Hubei Hongzhuo Architectural Design Co.,Ltd. Assignor: CHINA THREE GORGES University Contract record no.: X2023980043461 Denomination of invention: A Slope Ecological Protection Blanket Structure and Construction Method Granted publication date: 20211102 License type: Exclusive License Record date: 20231019 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Hubei Hongzhuo Architectural Design Co.,Ltd. Assignor: CHINA THREE GORGES University Contract record no.: X2023980043461 Date of cancellation: 20240402 |
|
| EC01 | Cancellation of recordation of patent licensing contract |