CN210288466U - Gravity type retaining wall reinforced structure - Google Patents
Gravity type retaining wall reinforced structure Download PDFInfo
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- CN210288466U CN210288466U CN201920987515.3U CN201920987515U CN210288466U CN 210288466 U CN210288466 U CN 210288466U CN 201920987515 U CN201920987515 U CN 201920987515U CN 210288466 U CN210288466 U CN 210288466U
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Abstract
The utility model provides a gravity type barricade reinforced structure, include: the anti-sinking steel pipe pile comprises a gravity type retaining wall (1), a sinking reduction steel pipe pile (2) and a steel pipe pile frame; the existing gravity type retaining wall (1) comprises a wall body (1.1) and a retaining wall base (1.2); the steel pipe pile frame comprises a front row of steel pipe piles (3.1), a middle row of steel pipe piles (3.2), a rear row of steel pipe piles (3.3), a pile top crown beam (3.4) and a cross beam (3.5); the pile top crown beam (3.4) and the cross beam (3.5) are used for connecting the steel pipe piles to form the steel pipe pile frame, so that the steel pipe piles are jointly deformed and act synergistically to improve the soil pressure bearing capacity and rigidity of the steel pipe group. The utility model has the advantages that: the space arrangement is flexible, large-scale mechanical equipment is not needed, the construction is simple and convenient, the construction period is shortened, the reinforcement of the gravity type retaining wall is enhanced, and the practicability and the application are strong.
Description
Technical Field
The utility model relates to a building engineering field especially relates to a gravity type barricade reinforced structure.
Background
Gravity retaining walls are common supporting structures for river banks, roads, building slopes, etc. in soft soil areas. However, due to the complexity of the soft soil engineering properties, such retaining wall slopes often experience progressive damage such as tilt, horizontal slip, overall instability, and the like, requiring reinforcement. Due to the periphery of the built gravity retaining wall, the environmental conditions are often complex, and if the conditions are limited by municipal pipelines such as gas and water supply in use, the adjacent building construction, the existing greening landscape and the like, the reinforcing design and construction of the retaining wall have great difficulty. On one hand, the normal operation of the surrounding environments such as existing construction and the like cannot be influenced, and on the other hand, because the retaining wall is in a damaged critical state, the damage of the retaining wall can be accelerated due to the increase of the retaining wall load and the disturbance of the soil body caused by construction, so that a very high requirement is put forward for the reinforcement of the retaining wall.
Disclosure of Invention
In order to solve the problems, the utility model provides a gravity type retaining wall reinforcing structure, which effectively solves the problem of insufficient bearing capacity of the foundation of the existing gravity type retaining wall by arranging a sinking reduction steel pipe under the condition of not disturbing the retaining wall foundation; the steel pipe pile frame is flexibly arranged, the current situation of the surrounding environment is not damaged, the limitation of various building structures and greening of the surrounding environment is effectively avoided, the soil pressure of the existing gravity type retaining wall is reduced, and the overall stability of the existing gravity type retaining wall is improved; the reinforced structure has the advantages of strong displacement control capability, flexible pile position arrangement, small influence on the surrounding environment, simple construction, short construction period, high cost performance, high comprehensive benefit, strong practicability and applicability, small construction machinery and no influence on the stability of the existing gravity retaining wall in the construction process.
A gravity retaining wall reinforcing structure comprising: the anti-sinking steel pipe pile comprises a gravity type retaining wall (1), a sinking reduction steel pipe pile (2) and a steel pipe pile frame; the existing gravity type retaining wall (1) comprises a wall body (1.1) and a retaining wall base (1.2); the steel pipe pile frame comprises a front row of steel pipe piles (3.1), a middle row of steel pipe piles (3.2), a rear row of steel pipe piles (3.3), a pile top crown beam (3.4) and a cross beam (3.5); the top parts of the front row of steel pipe piles (3.1), the middle row of steel pipe piles (3.2) and the rear row of steel pipe piles (3.3) are all provided with the pile top crown beam (3.4); a cross beam (3.5) with the same width as the pile top crown beam (3.4) is arranged between the front row of steel pipe piles (3.1) and the middle row of steel pipe piles (3.2) and between the middle row of steel pipe piles (3.2) and the rear row of steel pipe piles (3.3) and between the adjacent pile top crown beams (3.4); the pile top crown beam (3.4) and the cross beam (3.5) are used for connecting the steel pipe piles to form the steel pipe pile frame, so that the steel pipe piles are jointly deformed and act synergistically to improve the soil pressure bearing capacity and rigidity of the steel pipe group.
Furthermore, the sink reducing steel pipe pile (2) is vertically arranged close to the edge of the inner side of the top of the wall body (1.1) and penetrates through the retaining wall base (1.2) to form a whole with the existing gravity retaining wall (1).
Further, the front row of steel pipe piles (3.1), the middle row of steel pipe piles (3.2) and the rear row of steel pipe piles (3.3) are respectively arranged in a row, and each row is composed of a plurality of steel pipes which are arranged at equal intervals.
Furthermore, the distance range of the adjacent steel pipes in each row is 0.8-1.5 m; the length range of the steel pipe is 6-12 m, and the diameter range of the steel pipe is 100-150 mm.
Further, the width ranges of the pile top crown beam (3.4) and the cross beam (3.5) are 300-400 mm.
Furthermore, a plurality of cross beams (3.5) between the front row of steel pipe piles (3.1) and the middle row of steel pipe piles (3.2) and between the middle row of steel pipe piles (3.2) and the rear row of steel pipe piles (3.3) are respectively arranged into a row, and the distance between every two adjacent cross beams (3.5) in each row is 2 times that between every two adjacent steel pipes in each row.
Furthermore, the subsidence reducing steel pipe pile (2) comprises a steel pipe pile hole, the aperture of the steel pipe pile hole is larger than the outer diameter of the steel pipe pile, and cement slurry is filled in the steel pipe pile and in the gap between the outer wall of the steel pipe pile and the pile hole.
The utility model provides a beneficial effect that technical scheme brought is:
the utility model discloses construction convenience, pile position arrange nimble, can effectively strengthen the stability of barricade, construction operation require simple, better to all ring edge borders protection, sexual valence relative altitude, solve the reinforced difficult problem of existing gravity type barricade under the complicated environmental condition on the weak soil place betterly, be a safe and reliable, adapt to the green supporting construction system of current construction situation, strengthened the reinforcement to existing gravity type barricade, the practicality with be suitable for by force.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a cross-sectional view of a gravity retaining wall reinforcing structure according to an embodiment of the present invention;
fig. 2 is a plan view of a gravity retaining wall reinforcing structure according to an embodiment of the present invention;
FIG. 3 is a longitudinal sectional view of steel pipe piles 2, 3.1, 3.2 and 3.3 according to the embodiment of the present invention;
fig. 4 is a plan development view of the steel pipe piles 2, 3.1, 3.2, 3.3 in the embodiment of the present invention;
FIG. 5 is an enlarged view of the section A-A of the steel pipe piles 2, 3.1, 3.2 and 3.3 according to the embodiment of the present invention;
fig. 6 is an enlarged view of a B-B section of the steel pipe piles 2, 3.1, 3.2, and 3.3 according to the embodiment of the present invention.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1 to 6, an embodiment of the present invention provides a gravity retaining wall reinforcing structure, which includes: the anti-sinking steel pipe pile comprises a gravity type retaining wall (1), a sinking reduction steel pipe pile (2) and a steel pipe pile frame; the existing gravity type retaining wall (1) comprises a wall body (1.1) and a retaining wall base (1.2); the steel pipe pile frame comprises a front row of steel pipe piles (3.1), a middle row of steel pipe piles (3.2), a rear row of steel pipe piles (3.3), a pile top crown beam (3.4) and a cross beam (3.5); the top parts of the front row of steel pipe piles (3.1), the middle row of steel pipe piles (3.2) and the rear row of steel pipe piles (3.3) are all provided with the pile top crown beam (3.4); a cross beam (3.5) with the same width as the pile top crown beam (3.4) is arranged between the adjacent pile top crown beams (3.4); the pile top crown beam (3.4) and the cross beam (3.5) are used for connecting the steel pipe piles to form the steel pipe pile frame, so that the steel pipe piles are jointly deformed and act synergistically to improve the soil pressure bearing capacity and rigidity of the steel pipe group. Reference numeral 5 shown in fig. 1 denotes the ground.
The anti-sinking steel pipe pile (2) is tightly attached to the edge of the inner side of the top of the wall body (1.1) in a vertical mode, penetrates through the retaining wall base (1.2) and forms a whole with the existing gravity type retaining wall (1).
The front row of steel pipe piles (3.1), the middle row of steel pipe piles (3.2) and the rear row of steel pipe piles (3.3) are all composed of parallel steel pipes; the parallel steel pipes are composed of a plurality of steel pipes which are arranged at equal intervals; the distance range between the adjacent steel pipes is generally 0.8-1.5 m; the length range of the steel pipe is generally 6-12 m, and the specific length of the steel pipe is determined according to 1-2 m of a poor stratum to be penetrated; the diameter range of the steel pipes is generally 100-150 mm, and the distance range of the adjacent steel pipes is generally 0.8-1.5 m; calculating and determining the specific numerical values of the diameter of the steel pipe and the distance between the adjacent steel pipes according to engineering requirements; the width of the pile top crown beam (3.4) is the same as that of the cross beam (3.5), and the width range of the pile top crown beam (3.4) and the width range of the cross beam (3.5) are 300-400 mm. The distance between the adjacent cross beams (3.5) is 2 times of the distance between the adjacent steel pipes, namely, a plurality of cross beams (3.5) between the front row of steel pipe piles (3.1) and the middle row of steel pipe piles (3.2) and between the middle row of steel pipe piles (3.2) and the rear row of steel pipe piles (3.3) are respectively arranged into a row, and the distance between the adjacent cross beams (3.5) in each row is 2 times of the distance between the adjacent steel pipes in each row.
The gravity type retaining wall is not connected with the steel pipe pile frame.
The steel pipe pile further comprises a steel pipe pile hole, the aperture of the steel pipe pile hole is larger than the outer diameter of the steel pipe pile, and cement slurry is filled in the steel pipe pile and in the gap between the outer wall of the steel pipe pile and the pile hole.
Drilling a plurality of pile holes on the top of the existing gravity retaining wall (1) by using a drilling machine, wherein the pile holes comprise hole walls (4) as shown in figures 3, 5 and 6, when the drilling depths of the pile holes respectively reach the corresponding preset depths, stopping drilling, putting the subsidence reducing steel pipe pile (2) as shown in figures 1 and 2, and then filling cement slurry in the holes; repeating the steps until all the sinking reducing steel pipe piles (2) are constructed; reference numeral 6 shown in fig. 2 is a broken-off number, which represents that the outer side can be extended wirelessly, that is, the upper side and the lower side in fig. 2 can be extended infinitely, that is, the existing gravity retaining wall (1), the sink-reducing steel pipe pile (2) and the steel pipe pile frame can be extended infinitely;
the pile position of a steel pipe pile frame to be constructed is measured and positioned right behind the top of the existing gravity type retaining wall (1), namely the ground position shown in figure 1, a plurality of pile holes are drilled on the ground by a drilling machine, a front row of steel pipe piles (3.1), a middle row of steel pipe piles (3.2) and a rear row of steel pipe piles (3.3) are respectively placed in each pile hole, and then cement paste is filled in vacant spaces in the pile holes, so that the construction of the steel pipe pile frame (3) is completed; and then constructing a crown beam (3.4) and a cross beam (3.5) of the steel pipe pile top according to design requirements, and connecting the front row of steel pipe piles (3.1), the middle row of steel pipe piles (3.2) and the rear row of steel pipe piles (3.3) into a whole, namely completing the construction of the steel pipe pile frame (3).
The utility model provides a gravity type barricade reinforced structure solves the not enough problem of gravity type barricade foundation bearing capacity through setting up on existing gravity type barricade to set up the steel-pipe pile frame at gravity type barricade rear and increase the horizontal cling compound bearing capacity of gravity type barricade, improve the overall stability of gravity type barricade simultaneously.
The utility model has the advantages that:
(1) practicality and suitability are strong: the pile positions of the three rows of steel pipe frame piles can be flexibly arranged according to actual needs, so that the construction difficulty caused by underground obstacles is effectively overcome, and the stability of the existing retaining wall is effectively improved;
(2) the construction influence is little, can not reduce the stability of gravity type barricade in consolidating the work progress: the machines adopted in the construction mainly comprise a geological drilling machine and grouting equipment, and the machines are small-sized equipment, so that the weight is light, the size is small, and the gravity type retaining wall cannot be damaged under the weight of the machines;
(3) saving construction period and green construction: the steel pipe has small volume and flexible arrangement, the arrangement and construction of the steel pipe can not influence the safety of the existing peripheral building structure, the damage to the existing peripheral greening and the like is reduced to the maximum extent, and the influence on the surrounding environment is small; the steel pipe does not influence the ecological environment of underground water flow, organisms and the like, and is environment-friendly;
(4) the comprehensive economic benefit is high: the method has the advantages of powerful environmental protection, convenient construction, no environmental pollution in the construction process, short construction period and high comprehensive economic benefit.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. The utility model provides a gravity type barricade reinforced structure which characterized in that: the method comprises the following steps: the anti-sinking steel pipe pile comprises a gravity type retaining wall (1), a sinking reduction steel pipe pile (2) and a steel pipe pile frame; the existing gravity type retaining wall (1) comprises a wall body (1.1) and a retaining wall base (1.2); the steel pipe pile frame comprises a front row of steel pipe piles (3.1), a middle row of steel pipe piles (3.2), a rear row of steel pipe piles (3.3), a pile top crown beam (3.4) and a cross beam (3.5); the top parts of the front row of steel pipe piles (3.1), the middle row of steel pipe piles (3.2) and the rear row of steel pipe piles (3.3) are all provided with the pile top crown beam (3.4); a cross beam (3.5) with the same width as the pile top crown beam (3.4) is arranged between the front row of steel pipe piles (3.1) and the middle row of steel pipe piles (3.2) and between the middle row of steel pipe piles (3.2) and the rear row of steel pipe piles (3.3) and between the adjacent pile top crown beams (3.4); the pile top crown beam (3.4) and the cross beam (3.5) are used for connecting the steel pipe piles to form the steel pipe pile frame, so that the steel pipe piles are jointly deformed and act synergistically to improve the soil pressure bearing capacity and rigidity of the steel pipe group.
2. A gravity retaining wall reinforcing structure according to claim 1, wherein: the anti-sinking steel pipe pile (2) is tightly attached to the edge of the inner side of the top of the wall body (1.1) in a vertical mode, penetrates through the retaining wall base (1.2) and forms a whole with the existing gravity type retaining wall (1).
3. A gravity retaining wall reinforcing structure according to claim 1, wherein: the front row of steel pipe piles (3.1), the middle row of steel pipe piles (3.2) and the rear row of steel pipe piles (3.3) are respectively arranged in a row, and each row is composed of a plurality of steel pipes which are arranged at equal intervals.
4. A gravity retaining wall reinforcing structure according to claim 3, wherein: the distance range of the adjacent steel pipes in each row is 0.8-1.5 m; the length range of the steel pipe is 6-12 m, and the diameter range of the steel pipe is 100-150 mm.
5. A gravity retaining wall reinforcing structure according to claim 1, wherein: the width ranges of the pile top crown beam (3.4) and the cross beam (3.5) are both 300-400 mm.
6. A gravity retaining wall reinforcing structure according to claim 3, wherein: the steel pipe piles are characterized in that a plurality of cross beams (3.5) between the steel pipe piles (3.1) in the front row and the steel pipe piles (3.2) in the middle row and between the steel pipe piles (3.2) in the middle row and the steel pipe piles (3.3) in the rear row are respectively arranged into a row, and the distance between every two adjacent cross beams (3.5) in each row is 2 times that between every two adjacent steel pipes in each row.
7. A gravity retaining wall reinforcing structure according to claim 1, wherein: the subsidence reducing steel pipe pile (2) comprises a steel pipe pile hole, the aperture of the steel pipe pile hole is larger than the outer diameter of the steel pipe pile, and cement slurry is filled in the steel pipe pile and in the gap between the outer wall of the steel pipe pile and the pile hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920987515.3U CN210288466U (en) | 2019-06-28 | 2019-06-28 | Gravity type retaining wall reinforced structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920987515.3U CN210288466U (en) | 2019-06-28 | 2019-06-28 | Gravity type retaining wall reinforced structure |
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| CN210288466U true CN210288466U (en) | 2020-04-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431083A (en) * | 2021-06-10 | 2021-09-24 | 中南勘察设计院集团有限公司 | Light supporting structure of pile foundation joist and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431083A (en) * | 2021-06-10 | 2021-09-24 | 中南勘察设计院集团有限公司 | Light supporting structure of pile foundation joist and construction method thereof |
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