CN109837917B - Highway stacking slope greening structure and construction process thereof - Google Patents
Highway stacking slope greening structure and construction process thereof Download PDFInfo
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- CN109837917B CN109837917B CN201910244368.5A CN201910244368A CN109837917B CN 109837917 B CN109837917 B CN 109837917B CN 201910244368 A CN201910244368 A CN 201910244368A CN 109837917 B CN109837917 B CN 109837917B
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- 238000010276 construction Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000008569 process Effects 0.000 title claims abstract description 15
- 239000004575 stone Substances 0.000 claims abstract description 78
- 239000002184 metal Substances 0.000 claims abstract description 39
- 230000000903 blocking effect Effects 0.000 claims abstract description 36
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 239000002689 soil Substances 0.000 claims abstract description 22
- 239000000945 filler Substances 0.000 claims abstract description 16
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000003780 insertion Methods 0.000 claims abstract description 10
- 230000037431 insertion Effects 0.000 claims abstract description 10
- 230000002787 reinforcement Effects 0.000 claims description 13
- 238000005452 bending Methods 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 4
- 238000009331 sowing Methods 0.000 abstract description 2
- 238000005507 spraying Methods 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000006260 foam Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 239000003864 humus Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002984 plastic foam Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Abstract
The invention discloses a highway stacking side slope greening structure and a construction process thereof, and relates to the field of side slope greening. The structure comprises a stone layer, wherein a reinforcing frame is arranged on the stone layer; the reinforcing frame comprises six frameworks and six reinforcing steel bars; the framework comprises an inserting rod and a stone blocking part, the stone blocking part is provided with a jack with the cross section more than 1.5 times of the end part of the steel bar, and an elastic filler is arranged between the end part of the steel bar and the jack; a metal net and a foreign soil layer are arranged above the reinforcing frame. The construction process comprises the steps of slope treatment; inserting the framework on the stone layer of the slope, and extending the steel bars into the insertion holes of the stone blocking part; injecting elastic filler into the jack to connect the skeleton and the steel bars to form a reinforcing frame; and (3) laying a metal net above the reinforcing frame, and then spraying and sowing the soil-alien base material to form the soil-alien layer. The greening structure of the highway stacking side slope and the construction process thereof provided by the invention have good structural stability, and the slip of the soil layer is not easy to occur after construction, so that the risk of landslide is greatly reduced.
Description
Technical Field
The invention relates to the field of slope greening, in particular to a highway stacking slope greening structure and a construction process thereof.
Background
In the current large-scale engineering construction process, ecological greening engineering technology is greatly developed, and particularly in expressway greening engineering, a plurality of new greening technologies such as soil environment-friendly restoration processing device technology, expressway soil protection structure and the like are developed through extensive scientific research and engineering personnel discussion and practice. The technology overcomes the singleness and inefficiency of the traditional engineering technology, and realizes the organic combination of ecological greening and expressways. However, the prior art is only dedicated to the research and development and technical innovation of new materials, and less relates to the process research and application of the highway stacking slope.
When the side slope stacking is carried out at present, hard stones with the grain diameter larger than 35cm are used for stacking, the stones are as regular as possible, the stacking stones are clung and compact as possible, and obvious hollows and looseness are avoided. Although all can carry out the nailing in order to assist the fixed of metal mesh when laying the metal mesh, nevertheless because stone layer is firm not enough, still can appear the condition that the nail slided in the stone, lead to the guest soil layer on upper strata also can appear shifting, the offset accumulation to a certain extent, and the risk of landslide just also increases gradually, has the potential safety hazard.
Disclosure of Invention
The invention aims to provide a highway stacking slope greening structure and a construction process thereof, which have good structural stability, are difficult to slip in a foreign soil layer and greatly reduce the risk of landslide.
In order to achieve the above purpose, the invention provides a highway stacking slope greening structure, which comprises a stone layer, wherein a plurality of hexagon reinforcing frames are arranged on the stone layer; each reinforcement frame comprises six frameworks and six steel bars for connecting adjacent frameworks in the same reinforcement frame; the framework comprises a lower inserted link and at least two stone blocking parts positioned at the upper part of the inserted link, the end parts of the stone blocking parts protrude out of the side walls of the inserted link, each stone blocking part is provided with a jack with the cross section being more than 1.5 times of the cross section of the end part of the reinforcing steel bar, and the end part of the reinforcing steel bar is positioned in the jack and an elastic filler is arranged between the jack and the jack; the upper part of the reinforcing frame is sequentially provided with a metal net and a foreign soil layer from bottom to top.
As a further improvement of the invention, the insertion hole is positioned on the top surface of the stone blocking part, the steel bar comprises bending parts positioned at two ends of the steel bar, the bending parts are inserted into the insertion hole, and the elastic filler is filled between the bending parts; the height of the upper surface of the stone layer in each reinforcement frame is not higher than the height of the top surface of the stone blocking part.
As a further improvement of the present invention, the free state of the reinforcing bar is arc-shaped.
As a further development of the invention, the skeleton also comprises a stud connected above the stone guard, which stud passes through the lattice of the metal mesh from below upwards.
As a further improvement of the invention, the top ends of the convex columns are higher than the middle part of the soil covering layer.
As a further improvement of the invention, three stone blocking parts are arranged on each framework, and the three stone blocking parts are uniformly distributed around the axis of the inserted link.
In order to achieve the above purpose, the invention also provides a construction process of the greening structure of the highway stacking side slope, which comprises the following steps: slope treatment is carried out to form a relatively flat stone layer; inserting the frameworks on the stone layer of the slope at intervals, and extending the steel bars into the insertion holes of the stone blocking part; injecting elastic filler into the jack, and fixedly connecting the framework and the steel bars to form the reinforcing frame after the elastic filler is solidified; and after the metal net is paved above the reinforcing frame, spraying and sowing the soil-guest base material on the metal net to form a soil-guest layer.
As a further improvement of the present invention, when the metal net is laid, the convex columns above the stone blocking part pass through the grids on the metal net; the steel bars in the reinforcing frame support the metal net, and the metal net is positioned in the middle of the reinforcing frame and falls down to the upper surface of the stone layer under the gravity action of the earth-alienating base material.
Advantageous effects
Compared with the prior art, the highway stacking slope greening structure and the construction process thereof have the advantages that:
1. the inserted link and the stone blocking part of the framework are inserted on the stone layer, and the stone blocking part protrudes out of the side wall of the inserted link, so that the stone blocking part can play a certain limiting role on the stone with six corners in the reinforced frame. After the stones in the six corners are limited to move, the stones in the middle part of the reinforcing frame are limited in multiple directions, so that the stones are not easy to slide, and the sliding probability of the upper soil layer is reduced. When the skeleton is inserted and is connected with the reinforcing steel bar on the stone layer, the distance between the skeletons is very accurate, and the sectional area of the insertion hole on the stone blocking part is more than 1.5 times that of the end part of the reinforcing steel bar, so that the end part of the reinforcing steel bar can conveniently enter the insertion hole on the stone blocking part, and the installation is convenient. Meanwhile, after the connection of the steel bar and the framework is completed, as the elastic filler is filled between the end part of the steel bar and the jack of the stone blocking part of the framework, even if the slope is partially deformed in the construction process or after completion, the end part of the steel bar can be allowed to move in the jack to a certain extent, so that the pressure or the tension between the end part of the steel bar and the jack is reduced, and the risk of structural damage is reduced.
2. The bending parts are inserted into the jacks of the stone blocking parts, the upper surface of each stone layer in each reinforcing frame is not higher than the top surface of each stone blocking part, the steel bars support the metal net, the middle part of each metal net is positioned on the upper surface of each stone layer under the action of gravity of the soil-supporting base material, the whole metal net on the slope forms a structure with a part of the protruding part recessed, the bottom surface of the soil-supporting layer also forms an uneven structure, the sliding probability of the soil-supporting layer is further reduced, and the structural stability of the soil-supporting base material is improved.
3. The free state of the steel bar is arc, then after connecting the skeleton, whole hexagon reinforcing frame has certain compressed or by tensile surplus, and overall structure has elasticity to a certain extent, avoids certain reinforcing frame to appear local plastic deformation's condition because of the atress is uneven.
4. The convex columns on the framework pass through the grids on the metal net from bottom to top, the grid width of the metal net is about 1.5-1.7 times of the width of the convex columns, the metal net can be positioned, and the metal net is not easy to slip. And the convex columns can also play a limiting role on the foreign soil layer.
5. Three stone blocking parts on the framework are uniformly distributed around the axis of the inserted link, so that two adjacent reinforcing frames can share one edge, and the reinforcing frames of the whole side slope are in a honeycomb structure.
The invention will become more apparent from the following description taken in conjunction with the accompanying drawings which illustrate embodiments of the invention.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a top view of a reinforcement frame;
FIG. 2 is a schematic diagram of the connection of the framework to the steel bars in the reinforcing frame;
FIG. 3 is a perspective view of a skeleton;
fig. 4 is a side view of a rebar;
FIG. 5 is a schematic view of a plurality of reinforcement frames forming a honeycomb structure;
FIG. 6 is a top view of a metal mesh laid on a reinforcing frame;
fig. 7 is a schematic view of a section of a greening structure of a stacking side slope of a highway.
Detailed Description
Embodiments of the present invention will now be described with reference to the accompanying drawings.
Examples
The concrete embodiment of the invention is shown in figures 1 to 7, and the greening structure of the highway stacking side slope comprises a stone layer 1, wherein a plurality of hexagon reinforcing frames 2 are arranged on the stone layer 1; each reinforcing frame 2 comprises six skeletons 3 inserted into the stone layer 1 and six reinforcing bars 4 for connecting adjacent skeletons 3 in the same reinforcing frame 2; the skeleton 3 includes lower inserted bar 31 and two at least fender stone portions 32 that are located its upper portion, and fender stone portion 32 tip protrusion is in the lateral wall of inserted bar 31, all is equipped with the jack 33 that the cross-sectional area is more than 1.5 times of reinforcing bar 4 tip cross-sectional area on every fender stone portion 32, and reinforcing bar 4 tip is located jack 33 and is equipped with elasticity filler 5 between the two. The upper part of the reinforcement frame 2 is sequentially provided with a metal net 6 and a foreign soil layer 7 from bottom to top. The elastic filler 5 may be plastic foam, PE foam or EVA foam. The metal mesh 6 is a galvanized steel mesh. Plants can be planted on the foreign soil layer 7. The framework 3 is made of metal.
The insertion hole 33 is located on the top surface of the stone blocking portion 32, the reinforcing steel bar 4 includes bending portions 41 at both ends thereof, the bending portions 41 are inserted into the insertion hole 33, and elastic fillers 5 are filled therebetween. The upper surface of the stone layer 1 in each reinforcing frame 2 is not higher than the top surface of the stone blocking portion 32.
The free state of the steel bar 4 is arc-shaped. In this embodiment, the free state of the reinforcing steel bar 4 is in a minor arc, and the relative deflection angle of the two ends of the reinforcing steel bar 4 is between 2 and 5 degrees.
The frame 3 further comprises a stud 34 attached above the stone guard 32, which stud 34 passes from below upwards through the lattice on the metal mesh 6. The top ends of the convex columns 34 are higher than the middle part of the soil-alienating layer 7.
Three stone blocking parts 32 are arranged on each framework 3, and the three stone blocking parts 32 are uniformly distributed around the axis of the inserted link 31. Two adjacent reinforcement frames 2 share one edge, so that the reinforcement frames of the whole side slope are in a honeycomb structure.
In order to manufacture the highway stacking side slope greening structure, the construction process of the highway stacking side slope greening structure comprises the following steps:
1) Slope treatment is carried out to form a flatter stone layer 1;
2) The framework 3 is inserted on the slope stone layer 1 at intervals, and the steel bars 4 extend into the insertion holes 33 of the stone blocking part 32;
3) Injecting elastic filler 5 into the jack 33, and fixedly connecting the framework 3 and the steel bars 4 to form a reinforcing frame 2 after the elastic filler 5 is solidified;
4) After the metal net 6 is paved above the reinforcement frame 2, the soil-alighting base material is sprayed and sowed on the metal net 6 by an air compressor to form the soil-alighting layer 7. The foreign soil base material comprises seeds subjected to germination accelerating treatment, and also comprises mixed materials obtained by uniformly stirring sieved peat soil, yellow mud, humus soil, adhesives, fibers, slow-release compound fertilizer and water-retaining agent. The thickness of the spray seeding is 6-10cm.
When the metal net 6 is laid, the projections 34 above the stone guard 32 are passed through the lattice on the metal net 6. The steel bars 4 in the reinforcing frame 2 form a support for the metal net 6, and the metal net 6 is positioned in the middle of the reinforcing frame 2 and falls down to the upper surface of the stone layer 1 under the gravity action of the earth-alike base material. The whole metal net 6 on the slope forms a structure with a part of the protruding part concaved downwards, so that the bottom surface of the foreign soil layer also forms an uneven structure, the probability of sliding of the foreign soil layer is further reduced, and the structural stability of the foreign soil layer is improved.
The invention has been described in connection with the preferred embodiments, but the invention is not limited to the embodiments disclosed above, but it is intended to cover various modifications, equivalent combinations according to the essence of the invention.
Claims (5)
1. The highway stacking slope greening structure comprises a stone layer (1), and is characterized in that a plurality of hexagon reinforcing frames (2) are arranged on the stone layer (1); each reinforcement frame (2) comprises six skeletons (3) inserted into the stone layer (1) and six reinforcing steel bars (4) used for connecting adjacent skeletons (3) in the same reinforcement frame (2); the framework (3) comprises a lower inserted link (31) and three stone blocking parts (32) positioned at the upper part of the inserted link, the end parts of the stone blocking parts (32) are protruded out of the side walls of the inserted link (31), each stone blocking part (32) is provided with an inserting hole (33) with the cross section being more than 1.5 times of the cross section of the end part of the reinforcing steel bar (4), the end part of the reinforcing steel bar (4) is positioned in the inserting hole (33), and an elastic filler (5) is arranged between the two inserting holes; a metal net (6) and a foreign soil layer (7) are sequentially arranged above the reinforcing frame (2) from bottom to top; the jack (33) is positioned on the top surface of the stone blocking part (32), the steel bar (4) comprises bending parts (41) positioned at two ends of the steel bar, the bending parts (41) are inserted into the jack (33), and the elastic filler (5) is filled between the bending parts; the height of the upper surface of the stone layer (1) in each reinforcement frame (2) is not higher than the height of the top surface of the stone blocking part (32); the framework (3) further comprises a convex column (34) connected above the stone blocking part (32), and the convex column (34) passes through the grids on the metal net (6) from bottom to top; three stone blocking parts (32) are arranged on each framework (3), and the three stone blocking parts (32) are uniformly distributed around the axis of the inserted rod (31); two adjacent reinforcement frames (2) share an edge.
2. The greening structure of a stacking side slope of an expressway according to claim 1, wherein the free state of the steel bar (4) is arc-shaped.
3. The highway stacking slope greening structure according to claim 1, wherein the top ends of the convex columns (34) are higher than the middle part of the foreign soil layer (7).
4. A construction process of a highway stacking side slope greening structure according to any one of claims 1 to 3, characterized by comprising the following steps: slope treatment is carried out to form a flatter stone layer (1); the framework (3) is inserted on the stone layer (1) of the slope at intervals, and the steel bars (4) extend into the insertion holes (33) of the stone blocking part (32); injecting elastic filler (5) into the jack (33), and fixedly connecting the framework (3) and the steel bars (4) to form the reinforcing frame (2) after the elastic filler (5) is solidified; after a metal net (6) is paved above the reinforcing frame (2), a guest soil base material is sprayed on the metal net (6) to form a guest soil layer (7).
5. The construction process of a highway stacking slope greening structure according to claim 4, wherein when the metal net (6) is laid, the convex columns (34) above the stone blocking parts (32) penetrate through grids on the metal net (6); the steel bars (4) in the reinforcing frame (2) support the metal net (6), and the metal net (6) is positioned in the middle of the reinforcing frame (2) and falls down to the upper surface of the stone layer (1) under the gravity action of the earth-alike base material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910244368.5A CN109837917B (en) | 2019-03-28 | 2019-03-28 | Highway stacking slope greening structure and construction process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910244368.5A CN109837917B (en) | 2019-03-28 | 2019-03-28 | Highway stacking slope greening structure and construction process thereof |
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| Publication Number | Publication Date |
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| CN109837917A CN109837917A (en) | 2019-06-04 |
| CN109837917B true CN109837917B (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910244368.5A Active CN109837917B (en) | 2019-03-28 | 2019-03-28 | Highway stacking slope greening structure and construction process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110904983B (en) * | 2019-12-11 | 2020-06-19 | 冯翠娟 | Highway side slope reinforcing apparatus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10317382A (en) * | 1997-05-22 | 1998-12-02 | Kawasaki Tetsumou Kk | Slope greening method |
| CN104631474A (en) * | 2015-03-09 | 2015-05-20 | 深圳市红树林园林绿化工程有限公司 | Slope protection and afforestration structure |
| CN105684591A (en) * | 2016-01-05 | 2016-06-22 | 中山大学 | Ecological protection structure suitable for south rack slope drainage waterlogging prevention |
| CN107642098A (en) * | 2017-11-13 | 2018-01-30 | 固远晨通科技发展有限公司 | One kind washes away area's side slope ecological protection structure and preparation method thereof by force |
-
2019
- 2019-03-28 CN CN201910244368.5A patent/CN109837917B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10317382A (en) * | 1997-05-22 | 1998-12-02 | Kawasaki Tetsumou Kk | Slope greening method |
| CN104631474A (en) * | 2015-03-09 | 2015-05-20 | 深圳市红树林园林绿化工程有限公司 | Slope protection and afforestration structure |
| CN105684591A (en) * | 2016-01-05 | 2016-06-22 | 中山大学 | Ecological protection structure suitable for south rack slope drainage waterlogging prevention |
| CN107642098A (en) * | 2017-11-13 | 2018-01-30 | 固远晨通科技发展有限公司 | One kind washes away area's side slope ecological protection structure and preparation method thereof by force |
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| CN109837917A (en) | 2019-06-04 |
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