CN110565684A - Ecological reinforced earth retaining wall slope protection that red mudstone packed - Google Patents
Ecological reinforced earth retaining wall slope protection that red mudstone packed Download PDFInfo
- Publication number
- CN110565684A CN110565684A CN201910927531.8A CN201910927531A CN110565684A CN 110565684 A CN110565684 A CN 110565684A CN 201910927531 A CN201910927531 A CN 201910927531A CN 110565684 A CN110565684 A CN 110565684A
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- China
- Prior art keywords
- slope
- slope protection
- steel reinforcement
- retaining wall
- protection
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- 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.)
- Pending
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 59
- 239000010959 steel Substances 0.000 claims abstract description 59
- 230000002787 reinforcement Effects 0.000 claims abstract description 47
- 239000000945 filler Substances 0.000 claims abstract description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 30
- 238000012856 packing Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 27
- 241000196324 Embryophyta Species 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000004567 concrete Substances 0.000 description 7
- 239000002689 soil Substances 0.000 description 7
- 239000011148 porous material Substances 0.000 description 6
- 239000002344 surface layer Substances 0.000 description 5
- 239000011449 brick Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- E02D17/207—Securing of slopes or inclines with means incorporating sheet piles or piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
- E02D29/0241—Retaining or protecting walls comprising retention means in the backfill the retention means being reinforced earth elements
Abstract
The invention belongs to the technical field of ecological slope protection, and discloses an ecological reinforced retaining wall slope protection with red mudstone filler, aiming at solving the problem that the construction cost is high because a retaining wall pouring mode is adopted in the prior art for a site with large bearing capacity, high height and narrow slope protection space. The slope protection structure comprises a slope protection body, wherein the slope protection body is provided with a slope surface, at least two layers of steel reinforcement frameworks are arranged inside the slope protection body, at least two layers of steel reinforcement meshes are arranged inside the slope protection body, and the distance between the two adjacent layers of steel reinforcement frameworks is smaller than the distance between the two adjacent layers of steel reinforcement meshes.
Description
Technical Field
The invention belongs to the technical field of ecological slope protection, and particularly relates to an ecological reinforced retaining wall slope protection with red mudstone fillers.
background
The ecological slope protection is a slope protection technology for supporting a slope or a side slope by basic knowledge of subjects such as comprehensive engineering mechanics, soil science, ecology, botany and the like to form a comprehensive slope protection system consisting of plants or engineering and plants. After the excavation side slope is formed, the surface layer of the side slope is protected and reinforced by planting plants and utilizing the interaction (root anchoring effect) of the plants, rocks and soil bodies, so that the requirement on the stability of the surface layer of the side slope can be met, the slope protection mode of the damaged natural ecological environment can be recovered, and the method is an effective slope protection and slope fixing means.
The technical literature about ecological bank protection among the prior art is also more, for example utility model patent application No. 201721405998.9 discloses a protection architecture of ecological bank protection, including the slope body, be equipped with first reinforcing bar net on the inclined plane of the slope body, the inside of first reinforcing bar net is equipped with the rock layer, one side that the slope body was kept away from to first reinforcing bar net is connected with the second reinforcing bar net, the inside of second reinforcing bar net is equipped with the soil horizon, the surface on soil horizon runs through second reinforcing bar net and first reinforcing bar net and is equipped with the slope protection pole, and the slope protection pole extends to the inside of the slope body, one side that first reinforcing bar net was kept away from to the second reinforcing bar net is equipped with the slope protection brick layer, the slope protection brick layer includes the brick body, the surface of the brick body evenly is equipped with a plurality of through-holes. The invention has stable structure, high utilization rate, strong protection capability, effective prevention of water and soil loss and greening.
For another example, the invention patent with application number 201110210801.7 discloses a cast-in-place ecological slope protection and a construction method thereof, comprising the following steps: 1) installing an anchor rod on the slope; 2) a plurality of steel bars are alternately laid on the slope surface to form a steel bar mesh comprising a plurality of grids; 3) fixing the two reinforcing steel bars at each node of each grid together, and fixedly connecting the reinforcing steel bar mesh with the anchor rods; 4) arranging moulds in each grid, so that all adjacent moulds on the reinforcing mesh form a cavity communicated with each other through the edge plates of the adjacent moulds; 5) and pouring concrete into the cavity so as to form a plurality of grid beams on the slope surface, wherein the grid beams are connected into a net-shaped slope protection containing a plurality of the grids for planting. The grid beams are poured on the side slope site, and are connected with each other to form a whole and are fixedly connected with the side slope, so that the foundation is laid for greening the side slope while the slope protection structure is stable.
For another example, the utility model with application number 201721159744.3 discloses an ecological spraying anchor slope protection structure, which comprises an anchor rod, a reinforcing mesh fixed on a slope surface through the anchor rod, a pore concrete substrate layer covering the reinforcing mesh, a greening surface layer compounded on the surface of the pore concrete substrate layer, and non-woven fabrics covering the surface layer; the pore concrete substrate layer has a porous structure, and nutrient soil is filled in pores; one end of the anchor rod is inserted into the slope body, and the other end of the anchor rod is exposed; the exposed end of the anchor rod is sealed with an inherent concrete block; plant seeds are embedded in the greening surface layer. According to the invention, the pores of the ground substrate layer are filled with nutrient soil, and the cooperation of the hierarchical structure and the pore concrete can be helpful for synergistically improving the stability of the slope protection structure, so that the plant root system can penetrate through the concrete layer to enter the original slope, the plant growth space is expanded, and the purpose of continuous ecological protection can be achieved.
For example, application number is 201821386866.0's utility model discloses an ecological slope protection device, including the slope body, the inclined plane upper berth of the slope body is equipped with the reinforcing bar net piece, plant the vegetation on the inclined plane of the slope body, a plurality of fixed columns and stock have been buried underground on the inclined plane of the slope body, and fixed column and stock all run through the reinforcing bar net piece and extend to the inside of the slope body, every the cavity has all been seted up to the bottom of fixed column, every the equal sliding connection in inside of cavity has the movable plate, every equal threaded connection has the screw rod on the roof of fixed column, the bottom of screw rod extends to the inside of cavity and rotates the connection on the roof of movable plate, the downside of movable plate is equipped with fixing device. This device can carry out stable reinforcement to the slope body through mutually supporting of each structure, prevents that the slope body from toppling and causing loss of property, and the vegetation of planting simultaneously can carry out the view to the slope body and build, increases the afforestation rate of the slope body.
As the ecological revetments of the prior art illustrated above are all fixed on the slope surface of the slope body by means of reinforcing mesh or spray anchors, the top of the revetments has poor bearing capacity (generally 5-15 KPa), and is not suitable for being used in places with strong bearing capacity (for example, the top bearing capacity of the revetments is required to be 30-50 KPa); meanwhile, the slope of the slope protection in the form is generally 1:2, so that the space occupied by the slope protection is very large; while being limited by the structural stability of the revetment, the height of a revetment of this type of structure is generally not more than 5 m. The ecological slope protection of prior art hardly satisfies the bank protection higher, the space is comparatively narrow and small, the big requirement of bearing capacity.
To the big, high, the narrow and small condition in space of bank protection height of bearing capacity, prior art all generally adopts the mode of pouring the barricade to solve. However, for a large excavation site, the construction cost of the slope by adopting the retaining wall is very high.
Disclosure of Invention
The invention aims to solve the problem that the construction cost is high due to the fact that a retaining wall pouring mode is adopted for a site with large bearing capacity, high height and narrow slope protection space in the prior art, and provides the ecological reinforced earth retaining wall slope protection with red mudstone filler, which can greatly improve the stability of a broken body and is suitable for the conditions of large bearing capacity at the top of the slope protection, high height of the slope protection and narrow space.
In order to solve the technical problem, the technical scheme adopted by the invention is as follows:
The utility model provides an ecological reinforced earth retaining wall bank protection that red mudstone packed, includes the bank protection body that forms as packing by red mudstone, the bank protection body has domaticly, the inside of bank protection body is provided with at least two-layer steel reinforcement cage, the inside of bank protection body is provided with at least two-layer reinforcing bar net piece, and the interval between the adjacent two-layer steel reinforcement cage is less than the interval between the adjacent two-layer reinforcing bar net piece from top to bottom.
further, the even setting of framework of steel reinforcement is in the inside of bank protection body, the even setting of reinforcing bar net piece is in the inside of bank protection body.
Furthermore, the distance between two adjacent layers of the steel reinforcement frameworks is 40-60 cm.
Furthermore, the distance between two adjacent layers of the steel reinforcement frameworks is 50 cm.
Furthermore, the distance between two layers of steel mesh sheets adjacent to each other up and down is 1.5-2.5 m.
Further, be provided with firm framework of steel reinforcement on domatic, the framework of steel reinforcement inside the bank protection body extends domatic and firm framework of steel reinforcement interconnect.
Further, the slope gradient ratio is 1:0.8-1: 0.4.
Compared with the prior art, the invention has the following beneficial effects:
The ecological reinforced earth retaining wall revetment filled with red mudstone comprises a revetment body filled with red mudstone as filler, wherein the revetment body is provided with a slope surface, at least two layers of steel reinforcement frameworks are arranged inside the revetment body, at least two layers of steel reinforcement meshes are arranged inside the revetment body, and the distance between the two adjacent layers of steel reinforcement frameworks is smaller than the distance between the two adjacent layers of steel reinforcement meshes. According to the invention, the steel bar framework and the steel bar net piece are arranged in the slope protection body, so that the body breaking stability of the slope protection body can be greatly improved, compared with the ecological slope protection in the prior art, the height of the slope protection can reach about 20m on the same premise, meanwhile, the bearing capacity can reach 30-50KPa, and the bearing capacity of the slope protection is improved; meanwhile, due to the reinforcing effect of the reinforcing mesh and the reinforcing cage, the slope gradient ratio of the ecological slope protection can reach 1:0.8-1:0.4, and compared with the existing slope gradient ratio of 1:2, the ecological slope protection greatly reduces the occupied space of the ecological slope protection, and is particularly suitable for being used in fields with narrow slope protection space. Compared with the retaining wall in the prior art, the method has the advantages that the steel bar framework and the steel bar net sheets are directly backfilled and laid, the pouring process of the reinforced concrete is omitted, and the construction cost is saved. Compared with the mode of adopting the retaining wall, the invention can save the cost by 40 to 50 percent.
The steel reinforcement framework is connected with the stable steel reinforcement framework on the slope surface, so that the slope protection body and the slope surface form an integral structure, the stability of the slope protection body can be improved, the steel reinforcement framework in the slope protection body can be used as an anchor rope for the slope surface to be fixed, and the effect of improving the stability of the slope surface can be achieved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram according to an embodiment of the present invention;
Fig. 4 is a schematic structural view of the steel reinforcement cage of the present invention;
The labels in the figure are: i, bank protection body, 2, domatic, 3, framework of steel reinforcement, 4, reinforcing bar net piece, 5, firm framework of steel reinforcement.
Detailed Description
The present invention will be further described with reference to the following examples, which are intended to illustrate only some, but not all, of the embodiments of the present invention. Based on the embodiments of the present invention, other embodiments used by those skilled in the art without any creative effort belong to the protection scope of the present invention.
the ecological reinforced earth retaining wall revetment filled with red mudstone comprises a revetment body 1 filled with red mudstone as filler, wherein the revetment body 1 is provided with a slope surface 2, at least two layers of steel reinforcement frameworks 3 are arranged inside the revetment body 1, at least two layers of steel reinforcement meshes 4 are arranged inside the revetment body 1, and the distance between the two adjacent layers of steel reinforcement frameworks 3 is smaller than the distance between the two adjacent layers of steel reinforcement meshes 4. The number of layers of the steel bar framework and the steel bar mesh 4 can be determined according to the height of the ecological slope protection, and can be understood and appreciated by those skilled in the art, and are not described herein again. According to the invention, the steel bar framework and the steel bar net piece are arranged in the slope protection body, so that the body breaking stability of the slope protection body can be greatly improved, compared with the ecological slope protection in the prior art, the height of the slope protection can reach about 20m on the same premise, meanwhile, the bearing capacity can reach 30-50KPa, and the bearing capacity of the slope protection is improved; meanwhile, due to the reinforcing effect of the reinforcing mesh and the reinforcing cage, the slope gradient ratio of the ecological slope protection can reach 1:0.8-1:0.4, and compared with the slope gradient ratio of 1:2 of the existing ecological slope protection, the ecological slope protection greatly reduces the occupied space of the ecological slope protection, and is particularly suitable for being used in places with narrow slope protection space. Compared with the retaining wall in the prior art, the method has the advantages that the steel bar framework and the steel bar net sheets are directly backfilled and laid, the pouring process of the reinforced concrete is omitted, and the construction cost is saved. Compared with the mode of adopting the retaining wall, the invention can save the cost by 40 to 50 percent.
Wherein the bank protection body adopts red mudstone to fill and forms, at the in-process of filling red mudstone, carries out the point ramming with big rammer earlier, then utilizes little rammer to carry out full ramming again. The large rammer adopts a quincunx shape to carry out point ramming in the ramming process, the ramming capacity of the large rammer is 3000KJ, and the ramming capacity of the small rammer is 1000 KJ.
in the process of tamping by using red mudstone as a filler, the particle size of the red mudstone is ensured to be less than 50 cm; when the particle size of the red mudstone is larger than 50cm, the red mudstone should be crushed first, so that the particle size of the red mudstone is smaller than 50 cm.
in some embodiments, the rebar grid is formed by tying transverse and longitudinal rebar, as shown in fig. 4. The angle between the transverse reinforcement and the longitudinal reinforcement may be a right angle or an acute angle.
In some embodiments, the reinforcing steel bar framework 3 is uniformly disposed inside the slope protection body 1, and the reinforcing mesh sheet 4 is uniformly disposed inside the slope protection body 1.
In some embodiments, the distance between two adjacent layers of the steel reinforcement frameworks is 40-60 cm.
Furthermore, the distance between two adjacent layers of the steel reinforcement frameworks is 50 cm.
In some embodiments, the distance between two adjacent layers of the reinforcing mesh is 1.5-2.5 m.
According to the invention, by reasonably designing the space between the steel bar frameworks and the space between the steel bar meshes, the effect of improving the stability of the slope protection can be achieved, and the cost can be saved to the maximum extent. When the distance between the steel bar frameworks is 40-60cm, the distance between the steel bar meshes is 1.5-2.5m, and the whole ecological slope protection can reach about 20m when the gradient ratio is kept between 1:0.8-1: 0.4.
In some embodiments, a stable steel reinforcement framework 5 is disposed on the slope surface 2, and the steel reinforcement framework inside the slope protection body 1 extends out of the slope surface to be connected with the stable steel reinforcement framework. The steel reinforcement framework is connected with the stable steel reinforcement framework on the slope surface, so that the slope protection body and the slope surface form an integral structure, the stability of the slope protection body can be improved, the steel reinforcement framework in the slope protection body can be used as an anchor rope for the slope surface to be fixed, and the effect of improving the stability of the slope surface can be achieved.
Wherein, the stable steel reinforcement framework is provided with a planting groove for planting plants, thereby meeting the requirement of beautifying the environment.
Claims (7)
1. The utility model provides an ecological reinforced earth retaining wall bank protection that red mudstone packed, its characterized in that includes the bank protection body that forms as packing by red mudstone, the bank protection body has domaticly, the inside of bank protection body is provided with two-layer at least steel reinforcement cage, the inside of bank protection body is provided with two-layer at least reinforcing bar net piece, and interval between the adjacent two-layer steel reinforcement cage is less than interval between the adjacent two-layer reinforcing bar net piece from top to bottom.
2. The ecological reinforced retaining wall slope protection of red mudstone filler according to claim 1, wherein the steel reinforcement framework is uniformly arranged inside the slope protection body, and the steel reinforcement mesh is uniformly arranged inside the slope protection body.
3. The ecological reinforced retaining wall protection slope with red mudstone fillers as claimed in claim 2, wherein the distance between two adjacent layers of reinforcement cages is 40-60 cm.
4. The ecological reinforced retaining wall protection slope with red mudstone fillers as claimed in claim 3, wherein the distance between two adjacent layers of reinforcement cages is 50 cm.
5. The ecological reinforced retaining wall protection slope with red mudstone fillers as claimed in claim 1, wherein the distance between two adjacent layers of reinforcing mesh sheets is 1.5-2.5 m.
6. The ecological reinforced retaining wall slope protection with red mudstone fillers as claimed in any one of claims 1 to 5, wherein a stable steel reinforcement framework is arranged on the slope surface, and the steel reinforcement framework inside the slope protection body extends out of the slope surface to be connected with the stable steel reinforcement framework.
7. The ecological reinforced retaining wall protection slope with red mudstone fillers as claimed in claim 1, wherein the slope has a slope gradient ratio of 1:0.8-1: 0.4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910927531.8A CN110565684A (en) | 2019-09-27 | 2019-09-27 | Ecological reinforced earth retaining wall slope protection that red mudstone packed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910927531.8A CN110565684A (en) | 2019-09-27 | 2019-09-27 | Ecological reinforced earth retaining wall slope protection that red mudstone packed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110565684A true CN110565684A (en) | 2019-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910927531.8A Pending CN110565684A (en) | 2019-09-27 | 2019-09-27 | Ecological reinforced earth retaining wall slope protection that red mudstone packed |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1143945A (en) * | 1997-07-29 | 1999-02-16 | Nittoc Constr Co Ltd | Slope stabilizing construction method |
| CN101153475A (en) * | 2007-09-30 | 2008-04-02 | 中铁二院工程集团有限责任公司 | Redbeds mudstone filled high-speed railway subgrade and construction method thereof |
| KR20090130904A (en) * | 2008-06-17 | 2009-12-28 | 한국철도기술연구원 | Framework and retaining wall using such framework |
| CN103485349A (en) * | 2013-09-20 | 2014-01-01 | 兰州理工大学 | Lime nail composite frame prestressed anchor tube structure and construction method for reinforcing weak slope |
| CN204875673U (en) * | 2015-08-13 | 2015-12-16 | 广东河海工程咨询有限公司 | Hydraulic engineering uses ecological bank protection |
| CN109235467A (en) * | 2018-10-22 | 2019-01-18 | 北京工业大学 | A kind of lattice guest support system and its laying method suitable for high precipitous rock slope ecological recovery |
| CN109594567A (en) * | 2018-11-15 | 2019-04-09 | 温州大学瓯江学院 | A kind of shotcrete protection rock slope ecological safeguard structure arrangement and its method |
| CN210827555U (en) * | 2019-09-27 | 2020-06-23 | 中冶成都勘察研究总院有限公司 | Ecological reinforced earth retaining wall slope protection that red mudstone packed |
-
2019
- 2019-09-27 CN CN201910927531.8A patent/CN110565684A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1143945A (en) * | 1997-07-29 | 1999-02-16 | Nittoc Constr Co Ltd | Slope stabilizing construction method |
| CN101153475A (en) * | 2007-09-30 | 2008-04-02 | 中铁二院工程集团有限责任公司 | Redbeds mudstone filled high-speed railway subgrade and construction method thereof |
| KR20090130904A (en) * | 2008-06-17 | 2009-12-28 | 한국철도기술연구원 | Framework and retaining wall using such framework |
| CN103485349A (en) * | 2013-09-20 | 2014-01-01 | 兰州理工大学 | Lime nail composite frame prestressed anchor tube structure and construction method for reinforcing weak slope |
| CN204875673U (en) * | 2015-08-13 | 2015-12-16 | 广东河海工程咨询有限公司 | Hydraulic engineering uses ecological bank protection |
| CN109235467A (en) * | 2018-10-22 | 2019-01-18 | 北京工业大学 | A kind of lattice guest support system and its laying method suitable for high precipitous rock slope ecological recovery |
| CN109594567A (en) * | 2018-11-15 | 2019-04-09 | 温州大学瓯江学院 | A kind of shotcrete protection rock slope ecological safeguard structure arrangement and its method |
| CN210827555U (en) * | 2019-09-27 | 2020-06-23 | 中冶成都勘察研究总院有限公司 | Ecological reinforced earth retaining wall slope protection that red mudstone packed |
Non-Patent Citations (1)
| Title |
|---|
| 周志刚等著: "《公路土工合成材料设计原理及工程应用》", 人民交通出版社, pages: 29 - 30 * |
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