CN213390159U - Foundation pit construction supports reinforced structure - Google Patents
Foundation pit construction supports reinforced structure Download PDFInfo
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- CN213390159U CN213390159U CN202022143207.8U CN202022143207U CN213390159U CN 213390159 U CN213390159 U CN 213390159U CN 202022143207 U CN202022143207 U CN 202022143207U CN 213390159 U CN213390159 U CN 213390159U
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Abstract
The application relates to a supporting and reinforcing structure for foundation pit construction, which relates to the field of foundation pit construction and comprises a reinforcing steel bar frame arranged at the bottom of a foundation pit, a plurality of first reinforcing steel cages arranged on the reinforcing steel bar frame, a plurality of connecting reinforcing steel bars arranged on the reinforcing steel bar frame and a concrete structure; the reinforcing steel bar frame is tightly attached to the inner wall of the foundation pit; the first reinforcement cage is vertical to the reinforcement frame; the connecting steel bars are inserted in the ground wall; covering the steel bar frame and a plurality of first steel bar cages by the concrete structure; the reinforcing steel bar frame comprises two reinforcing steel bar meshes which are parallel to each other and a first reinforcing steel bar for connecting the two reinforcing steel bar meshes; the two ends of the first reinforcing steel bar are respectively positioned on the two reinforcing steel bar nets. This application has improved foundation ditch support's stability.
Description
Technical Field
The application relates to the field of foundation pit construction, in particular to a supporting and reinforcing structure for foundation pit construction.
Background
The foundation pit is a soil pit excavated at the design position of the foundation according to the elevation of the foundation and the plane size of the foundation.
The foundation pit is divided into a non-support foundation pit and a support foundation pit, after the foundation pit is dug and established, the periphery of the foundation pit is subjected to foundation pit support, but the currently used foundation pit support is poor in stability.
Disclosure of Invention
In order to improve foundation ditch support's stability, this application provides a foundation ditch construction supports reinforced structure.
The application provides a pair of foundation ditch construction supports reinforced structure adopts following technical scheme:
a supporting and reinforcing structure for foundation pit construction comprises a steel bar frame arranged at the bottom of a foundation pit, a plurality of first steel bar cages arranged on the steel bar frame, a plurality of connecting steel bars arranged on the steel bar frame and a concrete structure;
the reinforcing steel bar frame is tightly attached to the inner wall of the foundation pit;
the first reinforcement cage is vertical to the reinforcement frame;
the connecting steel bars are inserted into the ground wall;
the concrete structure covers the steel reinforcement frame and the plurality of first steel reinforcement cages.
By adopting the technical scheme, the worker opens the corresponding preformed hole in the side wall of the foundation pit in advance, then places the first reinforcement cage into the preformed hole, enables the reinforcement frame to be arranged close to the side wall of the foundation pit, then places the supporting template on the outer side of the reinforcement frame, then pours concrete into the reinforcement frame and the first reinforcement cage to form a concrete structure, then removes the supporting template, and utilizes the concrete structure to support the side wall of the foundation pit, thereby improving the stability of the soil body of the side wall of the foundation pit.
Optionally, the steel bar frame comprises two parallel steel bar meshes and a first steel bar for connecting the two steel bar meshes;
and two ends of the first steel bar are respectively positioned on the two steel bar nets.
By adopting the technical scheme, the whole strength of the solidified concrete structure can be improved by utilizing the two parallel reinforcing meshes, so that the support stability of the concrete structure to a soil body is indirectly improved.
Optionally, the reinforcing mesh comprises a second reinforcing bar, a third reinforcing bar and a first binding wire;
the first binding wire is used for binding the second reinforcing steel bar and the third reinforcing steel bar together.
By adopting the technical scheme, the second steel bar and the third steel bar are bound together by utilizing the first binding wire, so that the stability of the steel bar mesh is improved, the overall strength of the concrete structure is improved, and the support stability of the concrete structure to a soil body is indirectly improved.
Optionally, the first reinforcement cage includes a plurality of fourth reinforcements arranged in parallel and a first fixing ring for connecting the plurality of fourth reinforcements;
first solid fixed ring's quantity is a plurality of, and a plurality of first solid fixed ring are along the axis direction evenly distributed of fourth reinforcing bar.
Through adopting above-mentioned technical scheme, utilize first solid fixed ring to link together a plurality of fourth reinforcing bars, after the concrete pouring forms concrete structure, improved whole concrete structure's stability to the support stability of concrete structure to the soil body has been improved indirectly.
Optionally, the first reinforcement cage further comprises a second binding wire;
and the second binding wire is wound on the fourth steel bar and the first fixing ring.
Through adopting above-mentioned technical scheme, improved first solid fixed ring and fourth steel bar connection's stability, and then improved whole concrete structure's stability to the indirect support stability of concrete structure to the soil body that has improved.
Optionally, the first reinforcement cage further comprises a third binding wire;
and the third binding wires are used for connecting the fourth steel bars with the steel bar mesh.
Through adopting above-mentioned technical scheme, tie up the silk through using the third and couple together fourth reinforcing bar and reinforcing bar net to improved the stability that whole steel bar structure connects, and then improved the stability of whole concrete structure, thereby indirectly improved the support stability of concrete structure to the soil body.
Optionally, the steel bar reinforcement device further comprises a second steel bar cage arranged on the steel bar frame;
an included angle between the second reinforcement cage and the reinforcement frame is an acute angle;
the concrete structure covers the second reinforcement cage.
By adopting the technical scheme, after the second reinforcement cage is placed into the soil body and concrete is poured, the concrete structure formed at the second reinforcement cage also obliquely extends into the soil body, so that the concrete structure is not easy to fall off from the soil body, and the support stability of the concrete structure to the soil body is improved.
Optionally, the second reinforcement cage comprises a plurality of parallel fifth reinforcements and a second fixing ring for connecting the plurality of fifth reinforcements;
the quantity of the second fixing rings is multiple, and the second fixing rings are evenly distributed along the axis of the fifth reinforcing steel bar.
By adopting the technical scheme, the fifth reinforcing steel bars are connected together by utilizing the second fixing ring, and after concrete is poured to form a concrete structure, the stability of the whole concrete structure is improved, so that the supporting stability of the concrete structure to a soil body is indirectly improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the method comprises the steps that a worker opens a corresponding reserved hole in the side wall of the foundation pit in advance, then places a first reinforcement cage into the reserved hole, enables a reinforcement frame to be arranged close to the side wall of the foundation pit, then places a supporting template on the outer side of the reinforcement frame, then pours concrete into the reinforcement frame and the first reinforcement cage to form a concrete structure, then removes the supporting template, and supports the side wall of the foundation pit by using the concrete structure, so that the stability of a soil body of the side wall of the foundation pit is improved.
2. Through set up the second steel reinforcement cage of slope on the steel reinforcement frame, the back is put into the soil body to the second steel reinforcement cage, and after having pour the concrete, the concrete structure that second steel reinforcement cage department formed is the slope equally and is stretching into in the soil body for the concrete structure is difficult for droing from the soil body in, and then has improved the support stability of concrete structure to the soil body.
Drawings
Fig. 1 is a schematic view of a rebar structure of an embodiment of the application.
Fig. 2 is a schematic overall structure diagram of an embodiment of the present application.
Description of reference numerals: 1. a reinforcing steel bar frame; 11. a reinforcing mesh; 111. a second reinforcing bar; 112. a third reinforcing bar; 113. first binding wires; 12. a first reinforcing bar; 2. a first reinforcement cage; 21. a fourth reinforcing bar; 22. a first retaining ring; 23. a second binding wire; 24. third binding wires; 3. connecting reinforcing steel bars; 4. a concrete structure; 5. a second reinforcement cage; 51. a fifth reinforcing bar; 52. a second retaining ring; 53. and fourthly, binding wires.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses foundation ditch construction supports reinforced structure.
In the process of excavation of the foundation pit, the foundation pit needs to be supported in areas with soft soil or the foundation pit with the influence of underground water.
Referring to fig. 1 and 2, the foundation pit construction supporting and reinforcing structure includes a steel bar frame 1, a first steel bar cage 2, a connecting steel bar 3, and a concrete structure 4. The concrete structure 4 is formed by pouring concrete on the reinforcing cage 1 and the first cage 2.
The bottom of steel reinforcement frame 1 is established at the bottom of foundation ditch, and the side of steel reinforcement frame 1 hugs closely the foundation ditch inner wall, steel reinforcement frame 1 includes two reinforcing bars net 11 and a plurality of first reinforcing bars 12 of connecting between two reinforcing bars net 11, two reinforcing bars net 11 are planar, first reinforcing bar 12 one end fixed connection is on one of them reinforcing bar net 11, the other end fixed connection of first reinforcing bar 12 is on another reinforcing bar net 11, in the in-process that steel reinforcement frame 1 carries out the preparation, two reinforcing bar nets 11 adopt the reinforcing bar of equal size to make, and two reinforcing bar nets 11 are the same size after the preparation is accomplished, and when two reinforcing bar nets 11 are connected through first reinforcing bar 12, two reinforcing bar nets 11 parallel arrangement, and first reinforcing bar 12 is perpendicular to reinforcing bar net 11, first reinforcing bar 12 welds on reinforcing bar net 11.
Referring to fig. 1, the mesh reinforcement 11 includes a plurality of second reinforcing bars 111, a plurality of third reinforcing bars 112, and first tie wires 113, the plurality of second reinforcing bars 111 are parallel to each other, the plurality of third reinforcing bars 112 are parallel to each other, and the second reinforcing bars 111 and the third reinforcing bars 112 are distributed in a crossing manner, so that the second reinforcing bars 111 and the third reinforcing bars 112 are perpendicular to each other in order to facilitate the fabrication of the mesh reinforcement 11 by workers. The worker may then spot-weld the contact portions of the second reinforcing bar 111 and the third reinforcing bar 112 to preliminarily join the second reinforcing bar 111 and the third reinforcing bar 112 together. Then, the first binding wire 113 is bound at the joint of the second steel bar 111 and the third steel bar 112, and when the worker connects and fixes the first steel bar 12 and the mesh reinforcement 11, the worker may weld and fix the first steel bar 12 and the second steel bar 111, or weld and fix the first steel bar 12 and the third steel bar 112.
Referring to fig. 1, the first reinforcement cage 2 is integrally perpendicular to the mesh reinforcement 11, the first reinforcement cage 2 includes a plurality of fourth reinforcements 21 and a plurality of first fixing rings 22, the fourth reinforcements 21 are parallel to each other, the fourth reinforcements 21 are uniformly distributed along an axis, two ends of the fourth reinforcements 21 are flush, and the fourth reinforcements 21 are distributed in a cylindrical manner. A plurality of first solid fixed rings 22 evenly distributed along the axis direction of fourth reinforcing bar 21, first solid fixed ring 22 cover is established in all fourth reinforcing bar 21's outside, and first solid fixed ring 22 and all fourth reinforcing bar 21 carry out welded fastening.
After the first fixing ring 22 and the fourth reinforcing bar 21 are welded and fixed, in order to improve the stability of the connection between the first fixing ring 22 and the fourth reinforcing bar 21, a second binding wire 23 may be bound at the connection portion of the first fixing ring 22 and the fourth reinforcing bar 21. After the first reinforcement cage 2 is manufactured, the worker can connect and fix the first reinforcement cage 2 and the reinforcement frame 1, and then directly insert the first reinforcement 12 into a preformed hole previously drilled at the side wall end of the foundation pit when the first reinforcement cage 2 and the reinforcement frame 1 need to be installed around the foundation pit, so that the reinforcement frame 1 is tightly attached to the inner wall of the foundation pit. Or the first reinforcement cage 2 is firstly installed in a preformed hole on the side wall of the foundation pit, then the reinforcement frame 1 is placed, and then the first reinforcement cage 2 is connected with the reinforcement frame 1.
In other embodiments, the plurality of fourth steel bars 21 may also be distributed in a truncated cone shape, and then one end of the plurality of fourth steel bars 21 with a smaller space is extended into the soil body.
After the first reinforcement cage 2 is inserted into the soil body and the reinforcement frame 1 is tightly attached to the inner wall of the foundation pit, the worker may further connect a third tie-wire 24 between the first reinforcement cage 2 and the reinforcement frame 1, where the third tie-wire 24 may connect the fourth reinforcement 21 with the mesh reinforcement 11 or connect the first fixing ring 22 with the mesh reinforcement 11. Either the fourth reinforcing bars 21 are connected to the mesh reinforcement 11 or the first fixing rings 22 are connected to the mesh reinforcement 11, and they are connected to the second reinforcing bars 111 or the third reinforcing bars 112.
Referring to fig. 1, the connection bars 3 are vertically or obliquely driven into the sidewall of the foundation pit, the portions of the connection bars 3 outside the soil may be bent, the connection bars 3 may be used to position the steel frames 1, and the portions of the connection bars 3 outside the soil may be connected and fixed to the steel frames 1 by tying wires or welding.
And a second reinforcement cage 5 is also arranged on the reinforcement frame 1, the second reinforcement cage 5 is obliquely arranged on the reinforcement frame 1, and an included angle between the second reinforcement cage 5 and the mesh reinforcement 11 is an acute angle. Likewise, the concrete structure covers the second reinforcement cage 5 when concrete is poured.
The second steel reinforcement cage 5 includes a plurality of fifth reinforcing bars 51 and a plurality of solid fixed ring 52 of second, is parallel to each other between a plurality of fifth reinforcing bars 51, and follows an even distribution of axis between a plurality of fifth reinforcing bars 51, and a plurality of fifth reinforcing bars 51's both ends are parallel and level, are the cylinder distribution between a plurality of fifth reinforcing bars 51. The plurality of second fixing rings 52 are uniformly distributed along the axial direction of the fifth reinforcing bars 51, the second fixing rings 52 are sleeved outside all the fifth reinforcing bars 51, and the second fixing rings 52 are welded and fixed with all the fifth reinforcing bars 51. In order to improve the stability of the second fixing ring 52 and the fifth reinforcing bar 51, a fourth binding wire 53 is bound at the junction of the second fixing ring 52 and the fifth reinforcing bar 51.
During construction, the second reinforcement cage 5 is pre-selected to be placed in a hole which is pre-drilled in the side wall of the foundation pit, and then the second reinforcement cage 5 is fixedly connected with the reinforcement frame 1 when the reinforcement frame 1 is placed.
After the reinforcement frame 1 is connected with the first reinforcement cage 2, the connecting reinforcement 3 and the second reinforcement cage 5, a worker can install a supporting template on one side of the reinforcement frame 1 away from the side wall of the foundation pit, and then pour concrete into an area formed between the supporting template and the side wall of the foundation pit.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a foundation ditch construction supports reinforced structure which characterized in that: the foundation pit comprises a reinforcing steel bar frame (1) arranged at the bottom of a foundation pit, a plurality of first reinforcement cages (2) arranged on the reinforcing steel bar frame (1), a plurality of connecting reinforcing steel bars (3) arranged on the reinforcing steel bar frame (1) and a concrete structure (4);
the reinforcing steel bar frame (1) is tightly attached to the inner wall of the foundation pit;
the first reinforcement cage (2) is vertical to the reinforcement frame (1);
the connecting steel bars (3) are inserted into the ground wall;
the concrete structure (4) covers the reinforcement cage (1) and the plurality of first reinforcement cages (2).
2. The foundation pit construction supporting and reinforcing structure of claim 1, wherein: the steel bar frame (1) comprises two parallel steel bar meshes (11) and a first steel bar (12) for connecting the two steel bar meshes (11);
the two ends of the first steel bar (12) are respectively positioned on the two steel bar meshes (11).
3. The foundation pit construction supporting and reinforcing structure of claim 2, wherein: the steel bar mesh (11) comprises a second steel bar (111), a third steel bar (112) and a first binding wire (113);
the first binding wire (113) is used for binding the second reinforcing steel bar (111) and the third reinforcing steel bar (112) together.
4. The foundation pit construction supporting and reinforcing structure of claim 1, wherein: the first reinforcement cage (2) comprises a plurality of fourth reinforcements (21) arranged in parallel and a first fixing ring (22) for connecting the plurality of fourth reinforcements (21);
the quantity of first solid fixed ring (22) is a plurality of, and a plurality of first solid fixed ring (22) are along the axis direction evenly distributed of fourth reinforcing bar (21).
5. The foundation pit construction supporting and reinforcing structure of claim 4, wherein: the first reinforcement cage (2) further comprises a second binding wire (23);
the second binding wire (23) is wound on the fourth reinforcing steel bar (21) and the first fixing ring (22).
6. The foundation pit construction supporting and reinforcing structure of claim 4, wherein: the first reinforcement cage (2) further comprises a third binding wire (24);
the third binding wire (24) is used for connecting the fourth reinforcing steel bar (21) with the reinforcing mesh (11).
7. The foundation pit construction supporting and reinforcing structure of claim 1, wherein: the steel bar cage is characterized by also comprising a second steel bar cage (5) arranged on the steel bar frame (1);
the included angle between the second reinforcement cage (5) and the reinforcement frame (1) is an acute angle;
the concrete structure (4) covers the second reinforcement cage.
8. The foundation pit construction supporting and reinforcing structure of claim 7, wherein: the second reinforcement cage (5) comprises a plurality of parallel fifth reinforcements (51) and a second fixing ring (52) for connecting the plurality of fifth reinforcements (51);
the number of the second fixing rings (52) is multiple, and the second fixing rings (52) are uniformly distributed along the axis of the fifth reinforcing steel bar (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022143207.8U CN213390159U (en) | 2020-09-26 | 2020-09-26 | Foundation pit construction supports reinforced structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022143207.8U CN213390159U (en) | 2020-09-26 | 2020-09-26 | Foundation pit construction supports reinforced structure |
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| Publication Number | Publication Date |
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| CN213390159U true CN213390159U (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022143207.8U Active CN213390159U (en) | 2020-09-26 | 2020-09-26 | Foundation pit construction supports reinforced structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114775672A (en) * | 2022-04-27 | 2022-07-22 | 中国铁建大桥工程局集团有限公司 | Corrugated pipe foundation of bridge support and construction method |
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2020
- 2020-09-26 CN CN202022143207.8U patent/CN213390159U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114775672A (en) * | 2022-04-27 | 2022-07-22 | 中国铁建大桥工程局集团有限公司 | Corrugated pipe foundation of bridge support and construction method |
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