CN107419734B - Netted retaining structure of deep side slope that bankets - Google Patents
Netted retaining structure of deep side slope that bankets Download PDFInfo
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- CN107419734B CN107419734B CN201710494282.9A CN201710494282A CN107419734B CN 107419734 B CN107419734 B CN 107419734B CN 201710494282 A CN201710494282 A CN 201710494282A CN 107419734 B CN107419734 B CN 107419734B
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- steel pipes
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- side slope
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
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- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Retaining Walls (AREA)
Abstract
The invention relates to the technical field of deep and thick filling side slope support, and discloses a net-shaped retaining structure of a deep and thick filling side slope, which comprises a plurality of vertical steel pipes, a plurality of transverse steel pipes and a plurality of oblique steel pipes, wherein the plurality of vertical steel pipes are embedded into the side slope along the top of the side slope to the slope surface of the side slope, the plurality of transverse steel pipes and the plurality of oblique steel pipes are embedded into the side slope surface from the slope surface, and the plurality of vertical steel pipes, the plurality of transverse steel pipes and the plurality of oblique steel pipes are subjected to high-pressure grouting respectively to form solidified slurry. The steel pipes in the three different directions are beneficial to improving the integral stress of the net-shaped supporting structure and improving the bearing capacity of the supporting structure; and the plurality of steel pipe bodies are subjected to high-pressure grouting treatment, so that the effect of reinforcing and filling soil is achieved, a supporting structure with high strength and rigidity is formed, and the purpose of supporting and retaining the side slope is achieved while the manufacturing cost is reduced.
Description
Technical Field
The invention relates to the technical field of deep filled slope support, in particular to a net-shaped retaining structure of a deep filled slope.
Background
When a new project is built, filling leveling is often needed, a filling side slope is formed, the filling side slope is loose in structure, collapse is easy to occur in heavy rain or vibration, great loss is brought to production and construction, a pile arranging structure or a prestressed anchor cable support can be adopted for the non-thick filling side slope, and cement mixing piles are often adopted for reinforcement treatment in the project construction when the deep filling side slope with large thickness is supported.
At present, cement is sprayed into filling soil through a stirring rotating machine for stirring, and the cement is mixed with soil to generate a series of physical and chemical reactions, so that the filling soil is solidified, and the purpose of supporting is achieved.
In the prior art, the method for reinforcing the cement mixing pile consumes more materials and has higher manufacturing cost, and the gravity type reinforced filling retaining wall formed by the method has limited rigidity and strength and larger deformation and can not support deep and thick filling side slopes very well.
Disclosure of Invention
The invention provides a net-shaped retaining structure of a deep filled slope retaining, and aims to solve the problems that in the prior art, in the process of supporting a deep filled slope, the supporting rigidity is limited, the supporting of the deep filled slope cannot be met, and the supporting cost is high.
The invention is realized in this way, the net-shaped retaining structure of the deep filled side slope comprises a plurality of vertical steel pipes, a plurality of transverse steel pipes and a plurality of oblique steel pipes, wherein the plurality of vertical steel pipes are embedded in the side slope along the side slope top to the side slope surface, the plurality of transverse steel pipes and the plurality of oblique steel pipes are embedded in the side slope surface, and the plurality of vertical steel pipes, the plurality of transverse steel pipes and the plurality of oblique steel pipes are respectively grouted in the side slope surface at high pressure to form solidified slurry.
Further, a plurality of vertical steel pipes inlay perpendicularly in the soil layer on side slope top and the perpendicular to top of slope inlay in the soil layer on side slope surface respectively, a plurality of horizontal steel pipes inlay on the soil layer on slope along side slope top horizontal direction level, a plurality of slant steel pipes set up perpendicularly on the slope.
Furthermore, the pipe bodies of the plurality of vertical steel pipes, the plurality of transverse steel pipes and the plurality of oblique steel pipes are respectively provided with a plurality of flower holes for high-pressure grouting.
Furthermore, the flower holes are distributed at intervals on the tube bodies of the plurality of vertical steel tubes, the plurality of transverse steel tubes and the plurality of oblique steel tubes.
Furthermore, after grouting, a plurality of vertical steel pipes and a slope form a vertical bonding structure, after grouting, a plurality of horizontal steel pipes and a slope form a horizontal bonding structure, and after grouting, a plurality of oblique steel pipes and a slope form an oblique bonding structure, wherein the vertical bonding structure, the horizontal bonding structure and the oblique bonding structure are all in the slope.
Furthermore, a plurality of the vertical bonding structures, a plurality of the transverse bonding structures and a plurality of the oblique bonding structures are connected with each other to form an integral bonding structure.
Furthermore, the net-shaped supporting and retaining structure of the deep filled slope comprises a connecting layer for fixing the steel pipes, and the connecting layer is paved on the top of the slope and the slope.
Furthermore, the upper ends of the plurality of vertical steel pipes are connected with the connecting layer, the lower ends of the plurality of vertical steel pipes are embedded into the slope body, the upper ends of the plurality of inclined steel pipes are connected with the connecting layer, the lower ends of the plurality of inclined steel pipes are embedded into the slope body, the upper ends of the plurality of transverse steel pipes are connected with the connecting layer, and the lower ends of the plurality of transverse steel pipes are embedded into the slope.
Further, the lower ends of the plurality of steel pipes are tapered.
Compared with the prior art, the mesh-shaped retaining structure of the deep filled side slope provided by the invention has the advantages that the slope and the side slope top of the deep filled side slope are embedded into the steel pipes in different directions to form the mesh-shaped retaining structure, and the steel pipes in three different directions are beneficial to improving the integral stress of the mesh-shaped retaining structure and improving the bearing capacity of the mesh-shaped retaining structure; and the plurality of steel pipe tube bodies are subjected to high-pressure grouting treatment, so that the effect of reinforcing and filling soil is achieved, the stability of the structure is enhanced, the rigidity of the deep filling soil slope supporting structure is improved, and the supporting cost of the deep filling soil slope is reduced.
Drawings
Fig. 1 is a schematic cross-sectional view of a mesh retaining structure of a deep fill side slope according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1, a preferred embodiment of the present invention is shown.
The net-shaped retaining structure of the deep filled side slope can be used for supporting the filled side slope with larger thickness, and has higher rigidity and low manufacturing cost.
Netted retaining structure of deep side slope that bankets, including a plurality of vertical steel pipes 10, a plurality of horizontal steel pipes 20 and a plurality of slant steel pipe 30, a plurality of vertical steel pipes 10 are along slope top to the slope surface embedding of side slope in the side slope body, a plurality of horizontal steel pipes 20 and a plurality of slant steel pipes 30 are by the slope surface embedding side slope body, the slope top and the slope of deep side slope that bankets are carved into to a plurality of steel pipes from the three direction of difference, form netted retaining structure, and then strut deep side slope that bankets.
And moreover, high-pressure grouting is respectively carried out in the plurality of vertical steel pipes 10, the plurality of transverse steel pipes 20 and the plurality of oblique steel pipes 30 to form solidified slurry, so that the effect of reinforcing and filling soil is achieved, the steel pipes, the cement slurry and the soil layer act together to form a complex with high strength and rigidity, and the purpose of supporting and retaining the side slope is achieved.
A plurality of transverse steel pipes 20 are horizontally embedded on the soil layer of the slope along the horizontal direction of the top of the slope; the plurality of oblique steel pipes 30 are vertically arranged on the slope and further support the slope of the deep soil filling side slope; the spatial net-shaped supporting structure formed by matching the vertical steel pipes 10, the transverse steel pipes 20 and the oblique steel pipes 30 and the steel pipes in three different directions have the advantages that on one hand, the high-strength steel pipes of the anchor rod bodies play a role in reinforcing ribs, on the other hand, the high-strength steel pipes and the filling soil in the net-shaped structure act together to form a spatial compound supporting structure with high strength and rigidity, and the purpose of supporting deep and thick filling soil side slopes is achieved.
In this embodiment, the plurality of vertical steel pipes 10 are respectively vertically embedded in the soil layer on the top of the side slope and the soil layer on the slope surface of the side slope perpendicular to the top of the side slope, so that the vertical steel pipes 10 have a larger supporting range, thereby increasing the supporting range of the deep soil-filling side slope supporting structure; the plurality of transverse steel pipes 20 are horizontally embedded on the soil layer of the slope along the horizontal direction of the top of the slope, so that the plurality of transverse steel pipes 20 can share the gravity and the pressure of the soil layer together to support the soil layer in multiple stages, and the supporting capability of the deep filling side slope is improved; the plurality of oblique steel pipes 30 are vertically arranged on the slope, so that the vertical pressure of the slope surface of the slope can be borne to the maximum extent; through the cooperation of the steel pipes in three different directions, the net-shaped supporting structure can bear soil layer pressures in different directions, and therefore the supporting capacity of the net-shaped supporting structure is improved.
In order to improve the grouting effect of high-pressure grouting, the pipe bodies of the vertical steel pipes 10, the horizontal steel pipes 20 and the oblique steel pipes 30 are respectively provided with a plurality of flower holes 50 for high-pressure grouting, and after the steel pipes are embedded into the soil body, high-pressure grouting treatment is carried out through the flower holes 50 on the pipe bodies of the steel pipes, so that the grouting can more comprehensively cover the steel pipes, the contact areas of the steel pipes, the grouting and the soil layer are increased, and the effect of reinforcing and filling the soil of the supporting structure is improved.
Moreover, the flower holes 50 are distributed at the pipe body of the vertical steel pipes 10, the horizontal steel pipes 20 and the oblique steel pipes 30 at intervals, so that when the steel pipes are subjected to high-pressure grouting treatment, the grouting can be uniformly distributed on the pipe body of the steel pipes, and the steel pipes, the grouting and the soil layer can be more uniformly combined, so that the overall bearing capacity of the whole reticular supporting structure is kept consistent, and the rigidity and the strength of the supporting structure are further increased.
In this embodiment, a plurality of vertical steel pipes 10 form a vertical bonding structure with the slope after grouting, a plurality of horizontal steel pipes 20 form a horizontal bonding structure with the slope after grouting and a plurality of oblique steel pipes 30 form an oblique bonding structure with the slope after grouting, the vertical bonding structure, the horizontal bonding structure and the oblique bonding structure are all in the slope, and the advantage of the arrangement is that the steel pipes, the cement paste and the soil layer are combined to form a whole, which is beneficial to improving self-weight and supporting capacity of the reticular supporting structure, and meanwhile, the soil layer is made of materials obtained from local sources, so that cost of the supporting structure is saved while supporting capacity of the reticular supporting structure is improved.
In order to improve the supporting capacity of the net-shaped supporting structure, the vertical bonding structures, the horizontal bonding structures and the oblique bonding structures are connected with one another to form an integral bonding structure, so that the effect that all the bonding structures are combined to form an integral body is achieved, the bearing capacity of the integral bonding structure is greatly improved, and the supporting capacity of the net-shaped supporting structure is greatly improved.
In order to improve the steadiness of a plurality of steel pipes of embedding soil layer, it is equipped with articulamentum 40 to lay on slope top and slope, inlay in the soil layer on slope top a plurality of vertical steel pipe 10 lower extremes, the upper end is extended and is connected on articulamentum 40, the soil layer in slope top horizontal direction level is inlayed along the slope to a plurality of horizontal steel pipe 20 lower extremes, the upper end is outwards extended and is connected on articulamentum 40, a plurality of slant steel pipe 30 lower extremes set up perpendicularly on slope, the upper end is outwards extended and is connected on articulamentum 40, the benefit that sets up like this, make a plurality of vertical steel pipe 10, a plurality of horizontal steel pipe 20, a plurality of slant steel pipe 30 make up into a whole, improve its bearing capacity, make its support at the support in-process non-deformable of deep side slope of banketing.
Moreover, the connecting layer 40 laid on the slope and the top of the slope is made of reinforced concrete materials, so that the connecting layer 40 has the advantages of fire resistance, good durability and the like. And because need lay at slope and side slope top, use reinforced concrete material, can pour according to different sizes and pattern as required and form.
In order to make the steel pipe more easily imbed the soil layer, a plurality of steel pipe lower extremes are the toper, can reduce the resistance of soil layer to the steel pipe like this to make steel pipe embedding slope and side slope top more laborsaving.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. The net-shaped retaining structure of the deep filled slope is characterized by comprising a plurality of vertical steel pipes, a plurality of transverse steel pipes and a plurality of oblique steel pipes, wherein the plurality of vertical steel pipes are embedded in the slope body from the top of the slope to the slope surface of the slope; the steel pipe fixing device comprises a connecting layer for fixing steel pipes, wherein the connecting layer is laid on a slope top and a slope, the upper ends of a plurality of vertical steel pipes are connected with the connecting layer, the lower ends of the vertical steel pipes are embedded into a slope body, the upper ends of a plurality of inclined steel pipes are connected with the connecting layer, the lower ends of the inclined steel pipes are embedded into the slope body, the upper ends of a plurality of transverse steel pipes are connected with the connecting layer, and the lower ends of the transverse steel pipes are; after grouting, a plurality of vertical steel pipes and a slope form a vertical bonding structure, after grouting, a plurality of transverse steel pipes and a slope form a transverse bonding structure, and a plurality of inclined steel pipes and a slope form an inclined bonding structure, wherein the vertical bonding structure, the transverse bonding structure and the inclined bonding structure are all arranged in the slope, the plurality of vertical bonding structures, the plurality of transverse bonding structures and the plurality of inclined bonding structures are connected with one another to form an integral bonding structure, and the steel pipes, cement paste and a soil layer are combined to form an integral body; the pipe bodies of the vertical steel pipes, the transverse steel pipes and the oblique steel pipes are respectively provided with a plurality of flower holes for high-pressure grouting, and the flower holes are distributed at intervals on the pipe bodies of the vertical steel pipes, the transverse steel pipes and the oblique steel pipes.
2. The net-shaped retaining structure for deep fill slopes of claim 1, wherein the plurality of vertical steel pipes are vertically embedded in the soil layer on the top of the slope and the soil layer on the slope perpendicular to the top of the slope, respectively, the plurality of horizontal steel pipes are horizontally embedded in the soil layer on the slope along the horizontal direction of the top of the slope, and the plurality of diagonal steel pipes are vertically disposed on the slope.
3. The net-shaped retaining structure for the deep fill slope according to claim 1 or 2, wherein the lower ends of the plurality of steel pipes are tapered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710494282.9A CN107419734B (en) | 2017-06-26 | 2017-06-26 | Netted retaining structure of deep side slope that bankets |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710494282.9A CN107419734B (en) | 2017-06-26 | 2017-06-26 | Netted retaining structure of deep side slope that bankets |
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| CN107419734A CN107419734A (en) | 2017-12-01 |
| CN107419734B true CN107419734B (en) | 2020-12-11 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108444783B (en) * | 2018-03-11 | 2020-08-28 | 北京工业大学 | Model test soil filling device and method for slide type large underground test platform |
| CN108517879A (en) * | 2018-03-30 | 2018-09-11 | 长沙理工大学 | Slope reinforcement structure and construction method |
| CN109295943B (en) * | 2018-09-27 | 2021-04-13 | 湖北宜化江家墩矿业有限公司 | Grouting pipe for waste slag yard and grouting using method |
| CN111472370B (en) * | 2020-04-24 | 2021-06-11 | 梁维靖 | Slope collapse prevention structure for expressway and construction method thereof |
| CN112681238A (en) * | 2021-01-22 | 2021-04-20 | 鲁东大学 | High earth-rock dam composite anti-seismic structure and construction method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204212162U (en) * | 2014-09-22 | 2015-03-18 | 中建四局第五建筑工程有限公司 | A kind of side slope grouting reinforcement structure |
| CN207331709U (en) * | 2017-06-26 | 2018-05-08 | 深圳宏业基岩土科技股份有限公司 | The netted retaining structure of deep welding with filler wire |
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2017
- 2017-06-26 CN CN201710494282.9A patent/CN107419734B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204212162U (en) * | 2014-09-22 | 2015-03-18 | 中建四局第五建筑工程有限公司 | A kind of side slope grouting reinforcement structure |
| CN207331709U (en) * | 2017-06-26 | 2018-05-08 | 深圳宏业基岩土科技股份有限公司 | The netted retaining structure of deep welding with filler wire |
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| CN107419734A (en) | 2017-12-01 |
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