CN218027714U - Foundation pit supporting system - Google Patents
Foundation pit supporting system Download PDFInfo
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- CN218027714U CN218027714U CN202221715241.0U CN202221715241U CN218027714U CN 218027714 U CN218027714 U CN 218027714U CN 202221715241 U CN202221715241 U CN 202221715241U CN 218027714 U CN218027714 U CN 218027714U
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- foundation pit
- retaining wall
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Abstract
The utility model provides a foundation pit supporting system, which relates to the foundation pit supporting technology and comprises a retaining wall system and a pile anchor system, wherein the retaining wall system is arranged on the outer wall of the foundation pit and encloses to form a closed ring shape, one end part of the retaining wall system is vertically inserted into the bottom of the foundation pit, and the other end part is provided with a first anchor hole; the pile anchor system comprises at least one anchor bearing platform pile and an anchor cable body, the anchor bearing platform pile is arranged on the outer side of the foundation pit at equal intervals, one end of the anchor bearing platform pile is inserted into the bottom surface, at least one anchor hole used for the anchor cable body to penetrate through is formed in the other end of the anchor bearing platform pile, one end of the anchor cable body penetrates through the first anchor hole and is fixedly connected with the retaining wall system, and the other end of the anchor cable body penetrates through the anchor hole of the anchor bearing platform pile and is fixedly connected with the anchor bearing platform pile. The utility model has the advantages that: the utility model discloses a set up the stake anchor system, adopt the horizontal anchor of foundation ditch outside to draw the mode, greatly reduced because set up the influence that the interior support produced the construction, simplify the construction process, shorten construction cycle.
Description
Technical Field
The utility model relates to an excavation supporting technical field particularly, relates to an excavation supporting system.
Background
The existing steel sheet pile foundation pit supporting system generally consists of a steel sheet pile driven into a soil layer and a necessary pit inner support system, and the row pile supporting system generally consists of reinforced concrete piles, crown beams, a waterproof curtain and a necessary inner support or a cable-stayed anchor rod system so as to resist water and soil pressure and maintain the stability of the soil layer around the foundation pit; the steel sheet pile foundation pit supporting system and the row pile supporting system have the advantages that one or more inner supports (cable-stayed anchor rods) are required to be arranged on a plane large-scale foundation pit, the construction process is complex, the construction period is long, the consumption of building materials is high, and the manufacturing cost is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a foundation ditch support system to improve above-mentioned problem. In order to achieve the above purpose, the utility model adopts the following technical scheme:
the application provides a foundation pit supporting system which comprises a retaining wall system and a pile anchor system, wherein the retaining wall system is arranged on the outer wall of a foundation pit and is enclosed to form a closed ring shape, one end part of the retaining wall system is vertically inserted into the bottom of the foundation pit, and the other end part of the retaining wall system is provided with a first anchor hole; the pile anchor system comprises at least one anchor bearing platform pile and an anchor cable body, the anchor bearing platform pile is arranged on the outer side of the foundation pit at equal intervals, one end of the anchor bearing platform pile is inserted into the bottom surface, at least one anchor hole used for the anchor cable body to penetrate through is formed in the other end of the anchor bearing platform pile, one end of the anchor cable body penetrates through the first anchor hole and is fixedly connected with the retaining wall system, and the other end of the anchor cable body penetrates through the anchor hole of the anchor bearing platform pile and is fixedly connected with the anchor bearing platform pile.
Further, in the above technical scheme, the retaining wall system includes at least one steel sheet pile and a profile steel purlin, one end of each steel sheet pile is vertically inserted into the bottom of the foundation pit, the other end of each steel sheet pile is arranged in the foundation pit, the adjacent steel sheet piles are fixedly connected and form a closed ring along the side wall of the foundation pit, the profile steel purlin is fixedly arranged on the surface of the steel sheet pile, which is far away from the side wall of the foundation pit, and the joints of the profile steel purlin and the steel sheet piles are provided with through anchor holes at equal intervals.
Further, in the above technical solution, the anchor pile cap pile includes a bearing block and a pile body, the bearing block is fixedly connected to the pile body, the bearing block is provided with at least one anchor hole for the anchor cable to pass through, and the pile body is disposed in the ground outside the foundation pit.
Further, in the above technical solution, the pile body includes an oblique pile and at least one vertical pile, the vertical pile is vertically disposed in the ground outside the foundation pit, and the oblique pile is disposed in the ground in a direction perpendicular to the vertical pile and the retaining wall system.
Further, in the above technical solution, the pull-up block is provided with three anchor holes for the anchor cable to pass through, one of the anchor holes is arranged along the vertical direction of the retaining wall system, and the other two anchor holes are arranged at an angle of 45 degrees with respect to the retaining wall system.
Further, in the above technical solution, the pile body is a reinforced concrete pile.
Further, in the above technical solution, the anchor pile further includes a tie anchor beam, and two end portions of the tie anchor beam are respectively and fixedly connected to the side surfaces of two adjacent tension blocks.
Further, in the above technical solution, the connecting anchor beam is provided with at least one anchor hole, and the connecting anchor beam is fixedly connected with the retaining wall system through the anchor cable body.
The utility model has the advantages that:
1. the utility model discloses a set up the stake anchor system, adopt the horizontal anchor of foundation ditch outside to draw the mode, greatly reduced because set up the influence that the interior support produced the construction, simplify the construction process, shorten construction cycle.
2. The utility model discloses can improve excavation supporting construction's bulk rigidity and stability, effective control foundation ditch deformation through adjustment foundation ditch outside anchor cushion cap stake interval, anchor cushion cap stake number, stake length and the vertical angle of stake.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the embodiments of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on these drawings without inventive efforts.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view along the direction of the anchor cable body;
fig. 3 is a schematic structural diagram of another embodiment of the present invention.
The mark in the figure is: 1. a retaining wall system; 11. a first anchor eye; 12. steel sheet piles; 13. the section steel encloses the purlin; 2. a pile anchor system; 21. anchoring the pile cap; 211. a bearing block; 212. a pile body; 2121. erecting piles; 2122. oblique piles; 213. connecting anchor beams; 22. an anchor cable body.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, the embodiment provides a foundation pit supporting system, which includes a retaining wall system 1 and a pile anchor system 2, wherein the retaining wall system 1 is arranged on the outer wall of the foundation pit and encloses to form a closed ring shape, one end of the retaining wall system 1 is vertically inserted into the bottom of the foundation pit, and the other end is provided with a first anchor hole 11; pile anchor system 2 includes at least one anchor cushion cap stake 21 and anchor rope body 22, anchor cushion cap stake 21 equidistant setting is in the foundation ditch outside, anchor cushion cap stake 21 one end inserts the bottom surface, has seted up at least one on another tip and is used for the anchor eye that anchor rope body 22 passed, anchor rope body 22 one end pass first anchor eye 11 with dado system 1 fixed connection, another end pass anchor eye of anchor cushion cap stake 21 with anchor cushion cap stake 21 fixed connection. This application adopts and sets up stake anchor system 2 in the foundation ditch outside, and the mode of carrying out the anchor to dado system 1 in the horizontal direction is strutted the foundation ditch, and such design has reduced owing to set up the influence that the interior support produced the construction, and the construction process is simpler, and construction cycle is shorter.
In this embodiment, referring to fig. 1 and fig. 2, the retaining wall system 1 includes at least one steel sheet pile 12 and a profile steel purlin 13, one end of each steel sheet pile 12 is vertically inserted into the bottom of the foundation pit, the other end is disposed in the foundation pit, and adjacent steel sheet piles 12 are fixedly connected and form a closed loop along the side wall of the foundation pit. According to the method, U-shaped steel sheet piles 12 are adopted, clamping devices are arranged on two sides of each U-shaped steel sheet pile 12, adjacent U-shaped steel sheet piles 12 are enclosed on the side wall of a foundation pit through clamping, the foundation pit is supported, and the U-shaped steel sheet piles 12 are convenient to detach and transport and can be recycled for multiple times. The structural steel purlin 13 is fixedly arranged on the surface, far away from the side wall of the foundation pit, of the steel sheet pile 12, and through anchor holes are formed in the joints of the structural steel purlin 13 and the steel sheet pile 12 at equal intervals. The section steel purlin 13 is welded on the top of the steel sheet pile 12 and is enclosed into a circle, and support is provided for subsequent anchoring of a support body formed by the U-shaped steel sheet pile 12.
In this embodiment, as shown in fig. 2, the anchoring pile 21 includes a bearing block 211 and a pile body 212, the bearing block 211 is fixedly connected to the pile body 212, at least one anchor hole for the anchor cable 22 to pass through is formed in the bearing block 211, and the pile body 212 is disposed in the ground outside the foundation pit. In the design, the pile body 212 is bought in the bottom surface of the outer side of the foundation pit, and the pull bearing block 211 provides pulling force for the retaining wall system 1 through the connection of the anchor cable body 22, so that the overall rigidity and stability of the foundation pit supporting structure are improved.
Further, in this embodiment, the pile body 212 includes an oblique pile 2122 and at least one vertical pile 2121, the vertical pile 2121 is vertically arranged in the ground outside the foundation pit, and the oblique pile 2122 is arranged in the ground in a direction perpendicular to the retaining wall system 1 and perpendicular to the vertical pile 2121. In such a design, the vertical piles 2121 can accurately position the pile body 212, the oblique piles 2122 can improve the anchoring stability by providing supporting force to the outer side of the oblique foundation pit, and the angle of the oblique piles 2122 can be adjusted to increase the anchoring tension to meet the protection requirements of different foundation pits.
Further, in this embodiment, the pull-up block 211 is provided with three anchor holes for the anchor cable 22 to pass through, one of the anchor holes is disposed along the vertical direction of the retaining wall system 1, and the other two anchor holes are disposed at an angle of 45 degrees with respect to the retaining wall system 1. In such a design, the wall protection system 1 is anchored and pulled by increasing the connection number of the anchor cable bodies 22 and the oblique direction of the anchor cable bodies 22, so that the rigidity and stability of the foundation pit supporting structure are obviously improved.
Further, in the present embodiment, the pile body 212 is a reinforced concrete pile. The reinforced concrete pile is simple to prepare in a construction site, low in cost and capable of providing strong anchoring force.
In other embodiments, as shown in fig. 3, the anchor pile 21 further includes a tie-down anchor beam 213, and two end portions of the tie-down anchor beam 213 are fixedly connected to the side surfaces of two adjacent bearing blocks 211, respectively. In such a design, the adjacent anchor pile 21 is laterally constrained by using the connecting anchor beam 213, so that the stability of the pile anchor system 2 is improved, and the overall rigidity of the foundation pit supporting structure is improved.
Further, in this embodiment, at least one anchor hole is opened on the connecting anchor beam 213, and the connecting anchor beam 213 is fixedly connected with the retaining wall system 1 through the anchor cable body 22. Due to the design, the integral rigidity and stability of the foundation pit supporting system are improved by increasing the number of the anchor cable bodies 22 between the retaining wall system 1 and the anchoring pile 21.
The utility model discloses an implementation method of excavation supporting system is: firstly, arranging a steel sheet pile 12 on the side wall of the excavated foundation pit, inserting the bottom of the steel sheet pile 12 into the bottom of the foundation pit to a certain depth, connecting the bottom of the foundation pit through clamping devices on two sides to cover the side wall of the whole foundation pit, and then welding a ring of steel enclosing purlin 13 at the top of the steel sheet pile 12 wall which is formed by enclosing the steel sheet pile 12. And then, according to the strength and stability requirements of a foundation pit supporting system, arranging anchor bearing platform piles 21 at certain intervals along the edge direction of the foundation pit within a preset range outside the foundation pit, fixing the adjacent anchor bearing platform piles 21 through a connecting anchor beam 213, and finally, fixedly connecting the anchor bearing platform piles 21 and the profile steel purlin 13 by using anchor cable bodies 22.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. An excavation supporting system, comprising:
the retaining wall system (1) is arranged on the outer wall of the foundation pit and is enclosed to form a closed ring shape, one end part of the retaining wall system (1) is vertically inserted into the bottom of the foundation pit, and the other end part of the retaining wall system (1) is provided with a first anchor hole (11); and
pile anchor system (2), pile anchor system (2) include at least one anchor cushion cap stake (21) and anchor rope body (22), anchor cushion cap stake (21) equidistant setting is in the foundation ditch outside, anchor cushion cap stake (21) one end inserts the bottom surface, has seted up at least one on another end and has been used for the anchor eye that anchor rope body (22) passed, anchor rope body (22) one end passes first anchor eye (11) with dado system (1) fixed connection, another end passes the anchor eye of anchor cushion cap stake (21) with anchor cushion cap stake (21) fixed connection.
2. The excavation supporting system of claim 1, wherein: the retaining wall system (1) comprises at least one steel sheet pile (12) and a profile steel surrounding purlin (13), one end of each steel sheet pile (12) is vertically inserted into the bottom of a foundation pit, the other end of each steel sheet pile is arranged in the foundation pit, the adjacent steel sheet piles (12) are fixedly connected and form a closed ring along the side wall of the foundation pit, the profile steel surrounding purlin (13) is fixedly arranged on the surface, far away from the side wall of the foundation pit, of the steel sheet pile (12), and through anchor holes are formed in the joints of the profile steel surrounding purlin (13) and the steel sheet piles (12) at equal intervals.
3. A foundation pit bracing system according to claim 1, wherein: anchor cushion cap stake (21) including bearing and drawing piece (211) and pile body (212), bearing and drawing piece (211) with pile body (212) subassembly fixed connection, bearing and drawing piece (211) are last to be provided with at least one and to be used for anchor rope body (22) to pass the anchor eye, pile body (212) set up in the ground in the foundation ditch outside.
4. The excavation support system of claim 3, wherein: the pile body (212) comprises an inclined pile (2122) and at least one vertical pile (2121), the vertical pile (2121) is vertically arranged in the ground outside the foundation pit, and the inclined pile (2122) is arranged in the ground in the direction vertical to the vertical pile (2121) and the retaining wall system (1).
5. The excavation support system of claim 3, wherein: bearing and drawing and offering three anchor eye that is used for the anchor rope body (22) to pass on the piece (211), one of them anchor eye follows the vertical direction setting of dado system (1), two in addition the anchor eye with be 45 degrees angular settings between the dado system (1).
6. The excavation support system of claim 3, wherein: the pile body (212) is a reinforced concrete pile.
7. The excavation support system of claim 3, wherein: the anchoring pile cap (21) further comprises a connecting anchor beam (213), and two end parts of the connecting anchor beam (213) are fixedly connected with the side surfaces of two adjacent bearing blocks (211) respectively.
8. The excavation support system of claim 7, wherein: at least one anchor hole is formed in the connecting anchor beam (213), and the connecting anchor beam (213) is fixedly connected with the retaining wall system (1) through the anchor cable body (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221715241.0U CN218027714U (en) | 2022-06-28 | 2022-06-28 | Foundation pit supporting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221715241.0U CN218027714U (en) | 2022-06-28 | 2022-06-28 | Foundation pit supporting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218027714U true CN218027714U (en) | 2022-12-13 |
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ID=84380009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221715241.0U Active CN218027714U (en) | 2022-06-28 | 2022-06-28 | Foundation pit supporting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218027714U (en) |
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2022
- 2022-06-28 CN CN202221715241.0U patent/CN218027714U/en active Active
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