CN215594039U - Deep basal pit slope lattice column reinforcing apparatus - Google Patents
Deep basal pit slope lattice column reinforcing apparatus Download PDFInfo
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- CN215594039U CN215594039U CN202120972233.3U CN202120972233U CN215594039U CN 215594039 U CN215594039 U CN 215594039U CN 202120972233 U CN202120972233 U CN 202120972233U CN 215594039 U CN215594039 U CN 215594039U
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Abstract
The utility model discloses a deep foundation pit inclined latticed column reinforcing device which comprises an embedded foundation, an inclined support piece and a horizontal connecting piece, wherein the inclined support piece is arranged on the embedded foundation; the embedded foundation comprises a foundation steel plate and foundation steel bars; the lower end of the oblique supporting piece is welded with the base steel plate, and the upper end of the oblique supporting piece is welded with the ground side close to the oblique lattice column; one end of the horizontal connecting piece is welded with the oblique supporting piece, and the other end of the horizontal connecting piece is welded with the oblique lattice column. The utility model has the beneficial effects that: through setting up oblique support piece in the nearly ground side of slope lattice column to through pre-buried basis with oblique support piece and a supporting beam welding, can effectively carry out the reinforcement to slope lattice column, not only solved because of the straightness problem of support structure stability hidden danger that causes of the straightness problem of hanging down of lattice column, the reinforcement mode is simple moreover, and is stable firm, has both guaranteed the safe in utilization of support with the landing stage, reduces the potential safety hazard, has reduced the reinforcement expense again and has dropped into, has effectively practiced thrift construction cost's input.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a deep foundation pit inclined latticed column reinforcing device.
Background
Along with the development of social economy, the living standard of people is obviously improved, the demand of city development underground space is larger and larger, the construction projects of deep and large foundation pits are more and more, but the deep and large foundation pits of cities are often accompanied with the problem that the surrounding environment of building structures and underground pipelines is dense, therefore, more and more projects adopt an inner support supporting mode to ensure the safety of the foundation pits and the surrounding environment, the upright post for supporting and supporting generally adopts a steel lattice column which adopts an inner form of a downwards inserted cast pile, but the verticality of the lattice column is difficult to control due to the factors of difficult field hoisting and vertical control of the lattice column, long time of concrete pouring and maintenance stages and the like, so that the lattice column is changed from an axis stressed member to an eccentric stressed member, has instability risk and brings certain hidden danger to the integral stability of a supporting structure, therefore, how to reinforce the lattice column which does not meet the requirement on the verticality, to ensure the stability of the supporting structure is a problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that the existing foundation pit internal steel lattice column has instability risk after being inclined, and provides a deep foundation pit inclined lattice column reinforcing device which is arranged on the ground-near side of an inclined lattice column and comprises an embedded foundation, an inclined support piece and a horizontal connecting piece; the embedded foundation comprises a foundation steel plate and foundation steel bars welded at the lower end of the foundation steel plate; the foundation steel bar is used for being welded with the support beam below the ground-near side of the inclined latticed column; the lower end of the oblique supporting piece is welded with the base steel plate, and the upper end of the oblique supporting piece is welded with the ground side close to the oblique lattice column; the horizontal connecting pieces are multiple and are arranged in the height direction of the oblique supporting pieces respectively, one end of each horizontal connecting piece is welded with the oblique supporting pieces, and the other end of each horizontal connecting piece is welded with the oblique latticed column.
Further, the height of the diagonal support member is half of the distance between the support beam below the ground-near side of the inclined lattice column and the support beam above the ground-near side thereof. The height of the inclined support piece is limited, so that the welding height of the upper end of the inclined support piece and the inclined latticed column is the height of the gravity center of the inclined latticed column, and the support effect of the inclined support piece is guaranteed.
Further, the base steel plate is horizontally disposed, and the center thereof coincides with the perpendicular bisector on the ground side of the upper end of the inclined lattice column.
Further, a plurality of horizontal connecting pieces are horizontally arranged at equal intervals along the height direction of the oblique supporting piece, and the horizontal connecting pieces are connecting reinforcing steel bars or connecting steel plates.
Further, the diagonal support member comprises at least two vertical and parallel angle steels.
Further, the length of a welding seam between the upper end of the oblique support and the near-ground side of the oblique lattice column is not less than 150 mm, and the thickness of the welding seam is not less than 8 mm.
Furthermore, at least four foundation steel bars are uniformly and symmetrically arranged at the lower end of the foundation steel plate respectively; the foundation steel bar is L-shaped.
Further, the horizontal connector is a connecting steel bar with the diameter of 28 mm; the distance between the vertically adjacent connecting steel bars is 200 mm.
Further, the thickness of the base steel plate is 10 mm.
The utility model has the beneficial effects that: through setting up oblique support piece in the nearly ground side of slope lattice column to through pre-buried basis with oblique support piece and a supporting beam welding, can effectively carry out the reinforcement to slope lattice column, not only solved because of the straightness problem of support structure stability hidden danger that causes of the straightness problem of hanging down of lattice column, the reinforcement mode is simple moreover, and is stable firm, has both guaranteed the safe in utilization of support with the landing stage, reduces the potential safety hazard, has reduced the reinforcement expense again and has dropped into, has effectively practiced thrift construction cost's input.
Drawings
Fig. 1 is a schematic perspective view of the reinforcement device for the inclined lattice column of the deep foundation pit according to the present invention.
Fig. 2 is a schematic side view of the inclined lattice column reinforcing device for a deep foundation pit of fig. 1 in a use state.
Fig. 3 is a schematic front view of the embedded foundation in fig. 1.
Fig. 4 is a schematic top view of the embedded foundation in fig. 1.
In the figure, 1-pre-buried foundation; 1.1-base steel plate; 1.2-foundation steel bars; 2-an oblique support; 3-horizontal connecting piece; 4-inclined lattice columns.
Detailed Description
The utility model is described in further detail below with reference to the figures and specific embodiments.
As shown in fig. 1 to 4, the deep foundation pit inclined lattice column reinforcing device is arranged on the ground-near side of an inclined lattice column 4 (i.e., the ground-near side, which is the side where an included angle between the inclined lattice column 4 and a horizontal supporting beam forms an acute angle), and comprises an embedded foundation 1, an inclined supporting member 2 and a horizontal connecting member 3; the embedded foundation 1 comprises a foundation steel plate 1.1 and foundation steel bars 1.2 welded at the lower end of the foundation steel plate 1.1; the foundation steel bar 1.2 is used for welding with a support beam below the ground-near side of the inclined lattice column 4; the lower end of the oblique support piece 2 is welded with the base steel plate 1.1, and the upper end of the oblique support piece 2 is welded with the near ground side of the oblique lattice column 4; horizontal connecting piece 3 has a plurality ofly, sets up along diagonal brace piece 2 direction of height respectively, and horizontal connecting piece 3's one end and diagonal brace piece 2 welding, horizontal connecting piece 3's the other end and the welding of slope lattice column 4.
Referring to fig. 2, the base steel plate 1.1 is disposed horizontally with its center coinciding with the ground-near side center perpendicular bisector of the upper end of the inclined lattice column 4. The height of the diagonal bracing 2 is half the distance between the support beam below the ground side of the inclined lattice column 4 and the support beam above the ground side thereof. That is, in fig. 2, the horizontal plane in which the center of the region between the support beam below the inclined lattice column 4 and the support beam above the inclined lattice column 4 is located is the same horizontal plane as the upper end of the diagonal support member 2, the length of the weld seam formed by welding the upper end of the diagonal support member 2 and the ground-near side of the inclined lattice column 4 is not less than 150 mm, and the thickness of the weld seam is not less than 8 mm. The reinforcement of the inclined lattice column 4 is achieved with a minimum of use of the diagonal bracing members 2 and the horizontal connecting members 3. And the oblique support member 2 is connected with the middle part of the inclined lattice column 4 near the ground, compared with the connection of the upper end of the oblique support member 2 and the upper end of the inclined lattice column 4, the support effect of the oblique support member 2 on the inclined lattice column 4 is better, the gravity center of the oblique support member 2 is lower, and the stability is better.
A plurality of horizontal connectors 3 are horizontally arranged along the height direction of the inclined support member 2 at equal intervals, and the horizontal connectors 3 can be connecting steel bars or connecting steel plates. In this embodiment, the horizontal connector 3 is a connecting steel bar with a diameter of 28 mm; the distance between the vertically adjacent connecting steel bars is 200 mm.
The diagonal support member 2 comprises two vertical and parallel angle steels. Of course, there may be more angle steels, and a rib plate may be disposed between the angle steels to make the diagonal brace 2 more stable. The length of the angle steel in this embodiment is preferably 1750 mm.
Four foundation steel bars 1.2 are arranged in the embodiment and are respectively and uniformly and symmetrically arranged at the lower end of the foundation steel plate 1.1; the foundation reinforcing steel bar 1.2 is L-shaped. The foundation steel bar 1.2 is welded with the supporting beam, and the foundation steel plate 1.1 is horizontally arranged at the upper end of the supporting beam and can also be welded with the supporting beam. The thickness of the base steel plate 1.1 in this example was 10 mm. It is preferably a square steel plate having a side length of 250 mm.
The use method of the reinforcing device in the embodiment comprises the following steps: before the construction of a support beam below the inclined latticed column 4, measuring the inclination angle of the inclined latticed column 4, measuring and calculating the embedded position of the embedded foundation 1, and carrying out the construction of the embedded foundation 1 while constructing the support beam, namely welding the basic steel bars 1.2 of the embedded foundation 1 with the steel bars of the support beam, and horizontally arranging the basic steel plate 1.1 at the upper end of the support beam; pouring the supporting beams again, after the supporting beams reach the designed strength, installing the oblique supporting members 2, namely determining the length of the oblique supporting members 2 (namely angle steel) according to the length of the oblique lattice column 4 and the distance between two longitudinally adjacent supporting beams, welding the lower ends of the oblique supporting members 2 with the base steel plate 1.1, and welding the upper ends of the oblique supporting members 2 with the oblique lattice column 4; and then the two ends of the horizontal connecting piece 3 are respectively welded with the oblique supporting piece 2 and the oblique lattice column 4, and a plurality of horizontal connecting pieces 3 are welded at intervals along the length direction of the oblique supporting piece 2, so that the reinforcing device and the oblique lattice column 4 of the embodiment are stably connected into a whole, the requirement that the axis of the oblique lattice column 4 is adjusted from an oblique state to a vertical state is met, the stability of a supporting structure in the construction process is ensured, and the construction safety of a foundation pit is ensured.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may be made by those skilled in the art without departing from the principle of the utility model.
Claims (9)
1. The utility model provides a deep basal pit slope lattice column reinforcing apparatus for establish the nearly ground side at slope lattice column, its characterized in that: comprises a pre-buried foundation, an oblique supporting piece and a horizontal connecting piece; the embedded foundation comprises a foundation steel plate and foundation steel bars welded at the lower end of the foundation steel plate; the foundation steel bar is used for being welded with the support beam below the ground-near side of the inclined latticed column; the lower end of the oblique supporting piece is welded with the base steel plate, and the upper end of the oblique supporting piece is welded with the ground side close to the oblique lattice column; the horizontal connecting pieces are multiple and are arranged in the height direction of the oblique supporting pieces respectively, one end of each horizontal connecting piece is welded with the oblique supporting pieces, and the other end of each horizontal connecting piece is welded with the oblique latticed column.
2. The deep foundation pit inclined latticed column reinforcing device according to claim 1, wherein: the height of the oblique supporting piece is half of the distance between the supporting beam below the ground side of the oblique lattice column and the supporting beam above the ground side of the oblique lattice column.
3. The deep foundation pit inclined latticed column reinforcing device according to claim 2, wherein: the foundation steel plate is horizontally arranged, and the center of the foundation steel plate is superposed with the perpendicular bisector of the ground-near side of the upper end of the inclined latticed column.
4. The deep foundation pit inclined latticed column reinforcing device according to claim 1, wherein: a plurality of horizontal connectors are arranged horizontally along the height direction of the oblique supporting piece at equal intervals, and the horizontal connectors are connecting reinforcing steel bars or connecting steel plates.
5. The deep foundation pit inclined latticed column reinforcing device according to claim 1, wherein: the oblique supporting piece comprises at least two vertical and parallel angle steels.
6. The deep foundation pit inclined latticed column reinforcing device according to claim 1, wherein: the length of a welding seam welded between the upper end of the oblique support and the near-ground side of the oblique lattice column is not less than 150 mm, and the thickness of the welding seam is not less than 8 mm.
7. The deep foundation pit inclined latticed column reinforcing device according to claim 1, wherein: the number of the foundation steel bars is at least four, and the foundation steel bars are uniformly and symmetrically arranged at the lower end of the foundation steel plate respectively; the foundation steel bar is L-shaped.
8. The deep foundation pit inclined latticed column reinforcing device according to claim 4, wherein: the horizontal connecting piece is a connecting steel bar with the diameter of 28 mm; the distance between the vertically adjacent connecting steel bars is 200 mm.
9. The deep foundation pit inclined latticed column reinforcing device according to claim 1, wherein: the thickness of the base steel plate is 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120972233.3U CN215594039U (en) | 2021-05-08 | 2021-05-08 | Deep basal pit slope lattice column reinforcing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120972233.3U CN215594039U (en) | 2021-05-08 | 2021-05-08 | Deep basal pit slope lattice column reinforcing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215594039U true CN215594039U (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120972233.3U Active CN215594039U (en) | 2021-05-08 | 2021-05-08 | Deep basal pit slope lattice column reinforcing apparatus |
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| Country | Link |
|---|---|
| CN (1) | CN215594039U (en) |
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2021
- 2021-05-08 CN CN202120972233.3U patent/CN215594039U/en active Active
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