CN211368771U - Pile-supported gabion retaining wall structure - Google Patents
Pile-supported gabion retaining wall structure Download PDFInfo
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- CN211368771U CN211368771U CN201921818391.2U CN201921818391U CN211368771U CN 211368771 U CN211368771 U CN 211368771U CN 201921818391 U CN201921818391 U CN 201921818391U CN 211368771 U CN211368771 U CN 211368771U
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Abstract
Pile-supported gabion retaining wall structure to effectively reduce slope retaining wall foundation ditch excavation volume, improve the whole atress performance of retaining wall, and satisfy the needs that construction conditions such as high altitude were difficult district road bed fender engineering construction. The gabion retaining wall is arranged on the outer side of the roadbed and supports the roadbed, the gabion retaining wall is composed of a gabion net box assembled in a layering mode and waste slag filled in the gabion net box, the gabion retaining wall is located on the reinforced concrete bearing plate, two rows of pile foundations are arranged below the reinforced concrete bearing plate at a transverse interval, the upper end of each pile foundation is fixedly combined with the reinforced concrete bearing plate into a whole, and the lower portion of the pile foundation penetrates through a ground line to enter the stabilized rock-soil layer.
Description
Technical Field
The utility model relates to a road bed barricade, in particular to stake formula gabion barricade structure can be used to highway, railway engineering etc. is particularly useful for the road bed that lacks building material and construction condition difficulty section such as mountain area and keeps off the engineering.
Background
When railways and highways are built in mountainous areas or plateaus, the problem that roadbeds and tunnel excavation cannot be used as roadbed filling and is abandoned is often faced, and along with the increase of the environmental importance degree of the country, a large amount of abandoned slag generated in the construction process is difficult to find the position for stacking. The gabion retaining wall is composed of the gabion cage and the internal filling material, waste slag can be used as the filling material, the gabion retaining wall has the advantages of being strong in structural integrity, wide in adaptability, convenient to construct, low in cost and the like, and the gabion retaining wall is widely used in areas lacking of building materials.
As shown in fig. 1, when the gabion retaining wall is applied to mountainous or plateau railways, the structure generally has a larger foundation bottom surface, which needs to be buried to a certain depth, in order to ensure that the retaining wall meets the requirements of skid resistance and overturn resistance. Limited by mountainous slope terrain, the excavation amount of retaining wall foundation pits is often very large, particularly when the line is located in a plateau anoxic area, the construction environment has the characteristics of high altitude, anoxic and serious lack of manpower, and the construction of the conventional gabion retaining wall structure is more difficult.
Therefore, a new retaining wall structure is needed to be provided to solve the above-mentioned difficult problems that building materials are lacked, the manpower for high altitude oxygen deficiency cannot be guaranteed, the excavation amount of the slope retaining wall foundation pit in the mountain area is large, and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a stake formula gabion retaining wall structure is provided to effectively reduce slope retaining wall foundation ditch excavation volume, improve the whole atress performance of retaining wall, and satisfy the needs that construction conditions such as high height above sea level difficulty section road bed kept off the engineering construction.
The utility model provides a technical scheme as follows that above-mentioned technical problem took:
the utility model discloses a pile-supported style check guest barricade structure, check guest barricade set up in the road bed outside and support its formation, and check guest barricade comprises the check guest cage of assembling by the layering and the sediment of abandoning of filling in, characterized by: the gabion retaining wall is located on the reinforced concrete bearing platform plate, two rows of pile foundations are transversely arranged below the reinforced concrete bearing platform plate at intervals, the upper end of each pile foundation is fixedly connected with the reinforced concrete bearing platform plate into a whole, and the lower portion of each pile foundation penetrates through a ground line to enter the stable rock-soil layer.
The top of the reinforced concrete bearing plate is distributed with connecting steel bars, the lower parts of the connecting steel bars are embedded and fixed in the reinforced concrete bearing plate, and the upper parts of the connecting steel bars extend into the lowest check box.
The beneficial effects of the utility model are embodied in following several aspects:
firstly, a pile foundation bearing plate is arranged at the bottom of the gabion retaining wall, so that the excavation of a retaining wall foundation pit is avoided, and the labor cost is greatly saved;
secondly, the gabion retaining wall is placed on the reinforced concrete bearing plate, the size of the bottom surface of the gabion retaining wall can be designed according to the bearing capacity of 500kPa, the bearing capacity of the foundation is not influenced, and the size of the section of the gabion retaining wall is reduced;
connecting steel bars are pre-embedded on the reinforced concrete bearing platform plate, and the gabion retaining wall and the pile foundation bearing platform plate are connected into a whole, so that the anti-sliding and anti-overturning capabilities of the gabion retaining wall are improved;
and fourthly, a double-row pile foundation structure is adopted, the force borne by the gabion retaining wall is transmitted to the foundation through the pile foundation, the integral stress performance of the retaining wall is improved, and the safety and reliability are high.
The utility model provides a building material that faces in the construction process lack, the unable difficult problems such as assurance of plateau oxygen deficiency manpower, mountain area slope barricade foundation ditch excavation volume are big, have characteristics such as safe and reliable, novel structure, construction convenience, saving investment, application prospect is extensive.
Drawings
The specification includes the following four figures:
FIG. 1 is a schematic view of a conventional gabion retaining wall structure;
FIG. 2 is a cross-sectional view of the pile-supported gabion retaining wall structure of the present invention;
FIG. 3 is a schematic view of the gabion retaining wall in the pile-supported gabion retaining wall structure of the present invention;
fig. 4 the utility model discloses bearing plate and pile foundation arrangement schematic diagram among pile-supported gabion retaining wall structure.
The names and corresponding labels of the main components are shown in the figure: the foundation ditch comprises a gabion retaining wall 1, a gabion net cage 11, waste slag 12, non-woven geotextile 13, a bearing plate 2, a pile foundation 3, connecting steel bars 4, a roadbed A, a ground line B and a temporary foundation pit excavation line C.
Detailed Description
The invention will be further described by means of specific embodiments and with reference to the accompanying drawings.
Referring to fig. 2, fig. 3 and fig. 4, the stake bearing style gabion retaining wall structure of the present invention, gabion retaining wall 1 is set up in the roadbed a outside and forms the support to it, gabion retaining wall 1 is composed of gabion mesh boxes 11 assembled by layering and waste slag 12 filled in. The gabion retaining wall 1 is located on the reinforced concrete bearing platform plate 2, two rows of pile foundations 3 are arranged below the reinforced concrete bearing platform plate 2 at intervals, the upper end of each pile foundation 3 is fixedly connected with the reinforced concrete bearing platform plate 2 into a whole, and the lower portion of each pile foundation 3 penetrates through a ground line B to enter a stable rock-soil layer. Because the gabion retaining wall 1 is located on the reinforced concrete bearing platform plate 2, the retaining wall foundation pit excavation is avoided, the labor cost is greatly saved, the size of the bottom surface of the gabion retaining wall 1 can be designed according to the bearing capacity of 500kPa, the influence of the bearing capacity of a foundation is avoided, and the section size of the gabion retaining wall 1 is reduced. Adopt double pile foundation structure, pass through pile foundation 3 whole transmission to the ground with the power that gabion barricade 1 received, increased gabion barricade 1's whole atress performance, fail safe nature is high, can satisfy the needs that construction conditions such as high altitude degree were difficult for the section roadbed retaining engineering construction.
Referring to fig. 2, the top of the reinforced concrete bearing plate 2 is distributed with connecting steel bars 4, the lower part of each connecting steel bar 4 is embedded and fixed in the reinforced concrete bearing plate 2, and the upper part extends into the lowest layer check box 11. The gabion retaining wall 1 and the reinforced concrete bearing platform plate 2 are connected into a whole through the connecting steel bars 4, so that the anti-sliding and anti-overturning capabilities of the gabion retaining wall 1 can be effectively improved. The connecting steel bars 4 are usually made of twisted steel bars, the diameter of the connecting steel bars is generally 16-20 mm, the connecting steel bars are arranged at equal intervals in the longitudinal direction and the transverse direction, and the intervals are 50-100 cm.
Referring to fig. 4, the pile foundations 3 are longitudinally arranged at equal intervals along the reinforced concrete bearing plate 2, the longitudinal and transverse distances are 3-4D, and D is the diameter or width of the pile foundations 3. Referring to fig. 2, a non-woven geotextile 13 is laid between the wall back of the gabion retaining wall 1 and the slope surface on the outer side of the roadbed A. The check guest net cage 11 is woven by low-carbon steel wires plated with high-wear-resistance organic coatings, the check guest net cage 11 on the upper layer is retracted relative to the check guest net cage 11 on the lower layer to form steps, and the step width is generally 20-30 cm.
Referring to fig. 2, the utility model discloses pile-supported gabion retaining wall structure is under construction according to following step:
firstly, excavating a pile well and pouring concrete of a pile foundation 3;
secondly, binding the steel bars of the reinforced concrete bearing plate 2, pouring the concrete of the reinforced concrete bearing plate 2 in the vertical mold, and embedding the connecting steel bars 4 at the top of the concrete bearing plate;
thirdly, after the concrete of the reinforced concrete bearing plate 2 reaches the designed strength, assembling the gabion retaining wall 1 on the top surface of the reinforced concrete bearing plate 2 from bottom to top;
fourthly, laying non-woven geotextile 13 on the back of the wall 1 of the gabion retaining wall, and layering the roadbed A.
The utility model provides a building material that faces in the construction process lack, the unable difficult problems such as assurance of plateau oxygen deficiency manpower, mountain area slope barricade foundation ditch excavation volume are big, have characteristics such as safe and reliable, novel structure, construction convenience, saving investment, application prospect is extensive.
The above description is only used for illustrating some principles of the pile-supported gabion retaining wall structure and the construction method thereof, and the present invention is not limited to the specific structure and the application range, so all the corresponding modifications and equivalents which may be utilized all belong to the patent scope of the present invention.
Claims (6)
1. Pile-supported gabion retaining wall structure, gabion retaining wall (1) set up in road bed (A) outside and support its formation, and gabion box (11) that gabion retaining wall (1) was assembled by the layering and fill in abandon sediment (12) constitute characterized by: the gabion retaining wall (1) is located on the reinforced concrete bearing platform plate (2), two rows of pile foundations (3) are arranged below the reinforced concrete bearing platform plate (2) at a transverse interval, the upper end of each pile foundation (3) is fixedly connected with the reinforced concrete bearing platform plate (2) into a whole, and the lower portion of each pile foundation passes through a ground line (B) and enters a stable rock-soil layer.
2. The pile-supported gabion retaining wall structure of claim 1, wherein: the top of the reinforced concrete bearing plate (2) is distributed with connecting steel bars (4), the lower parts of the connecting steel bars (4) are embedded and fixed in the reinforced concrete bearing plate (2), and the upper parts extend into the lowermost compartment net cage (11).
3. The pile-supported gabion retaining wall structure of claim 2, wherein: the connecting steel bars (4) are made of twisted steel bars, the diameter of the connecting steel bars is 16-20 mm, the connecting steel bars are arranged at equal intervals in the longitudinal direction and the transverse direction, and the intervals are 50-100 cm.
4. The pile-supported gabion retaining wall structure of claim 1, wherein: the pile foundations (3) are longitudinally arranged at equal intervals along the reinforced concrete bearing plate (2), the longitudinal and transverse distances are 3-4D, and D is the diameter or the width of the pile foundations (3).
5. The pile-supported gabion retaining wall structure of claim 1, wherein: and a non-woven geotextile (13) is laid between the wall back of the gabion retaining wall (1) and the slope surface on the outer side of the roadbed (A).
6. The pile-supported gabion retaining wall structure of claim 1, wherein: the check guest net cage (11) is formed by weaving low-carbon steel wires plated with high-wear-resistance organic coatings, the upper check guest net cage (11) is retracted relative to the lower check guest net cage (11) to form a step, and the step width is 20-30 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201921818391.2U CN211368771U (en) | 2019-10-27 | 2019-10-27 | Pile-supported gabion retaining wall structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921818391.2U CN211368771U (en) | 2019-10-27 | 2019-10-27 | Pile-supported gabion retaining wall structure |
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| CN211368771U true CN211368771U (en) | 2020-08-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110747887A (en) * | 2019-10-27 | 2020-02-04 | 中铁二院工程集团有限责任公司 | Pile-supported gabion retaining wall structure and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110747887A (en) * | 2019-10-27 | 2020-02-04 | 中铁二院工程集团有限责任公司 | Pile-supported gabion retaining wall structure and construction method thereof |
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