CN211898433U - Reinforced structure of steel lattice column that inclines in foundation ditch - Google Patents
Reinforced structure of steel lattice column that inclines in foundation ditch Download PDFInfo
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- CN211898433U CN211898433U CN202020302691.1U CN202020302691U CN211898433U CN 211898433 U CN211898433 U CN 211898433U CN 202020302691 U CN202020302691 U CN 202020302691U CN 211898433 U CN211898433 U CN 211898433U
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Abstract
A reinforced structure of an inclined steel lattice column in a foundation pit comprises a bottom concrete base, a concrete supporting beam and an inclined steel lattice column, wherein the steel lattice column consists of four angle iron main limbs and a plurality of first steel batten plates, two vertical supporting angle irons are arranged between the concrete supporting beam on one side of an acute angle formed by the angle iron main limbs and the bottom concrete base, the upper ends of the supporting angle irons abut against the angle iron main limbs and the concrete supporting beam, the lower ends of the supporting angle irons abut against a base plate, and the base plate abuts against the bottom concrete base; and a plurality of second steel batten plates are welded and fixed between the two supporting angle bars, a plurality of third steel batten plates are welded and fixed on the side walls of the supporting angle bars, and the third steel batten plates are welded and fixed on the steel lattice columns. The structure improves the inclination phenomenon of the steel lattice column, so that the bending stress of the steel lattice column is converted to the axle center stress, and the strength and the rigidity of the steel lattice column are increased; and the construction are convenient.
Description
The technical field is as follows:
the utility model relates to a foundation ditch bearing structure's technical field, more specifically says and relates to a reinforced structure of steel lattice column inclines in foundation ditch.
Background art:
in the existing foundation pit construction process, a concrete base is poured at the bottom of the foundation pit, a concrete support beam is arranged above the concrete base, and a steel lattice column is adopted between the concrete support beam and the concrete base for supporting; the steel lattice column is an important component of foundation pit supporting engineering adopting an inner support system and mainly bears upper load. However, in the construction process of the steel lattice column, the steel lattice column is often inclined due to construction reasons, and the stress of the steel lattice column is changed from axial compression of design requirements into bending stress, so that the strength and the overall stability of the steel lattice column are greatly reduced, and the safety and the stability of a foundation pit are influenced.
The utility model has the following contents:
the utility model aims at being not enough to prior art, and provide a reinforced structure of slope steel lattice column in foundation ditch, improved the slope phenomenon of steel lattice column for the bending atress of steel lattice column changes toward the axle center atress, has increased the intensity and the rigidity of steel lattice column simultaneously.
A reinforced structure of an inclined steel lattice column in a foundation pit comprises a bottom concrete base, a concrete supporting beam and an inclined steel lattice column, wherein the top end of the steel lattice column is inserted and abutted against the concrete supporting beam; and a plurality of second steel batten plates are welded and fixed between the two supporting angle bars, a plurality of third steel batten plates are welded and fixed on the side walls of the supporting angle bars, and the third steel batten plates are welded and fixed on the steel lattice columns.
Preferably, the second steel batten plate and the third steel batten plate are uniformly distributed on the supporting angle iron in a linear mode.
Preferably, the width of the base plate is larger than that of the support angle irons, and the length of the base plate is larger than the distance between the support angle irons.
Preferably, the second steel batten plate at the bottom end of the support angle iron abuts against the backing plate and is fixedly welded with the backing plate.
Preferably, the cross section of the supporting angle iron is L-shaped, and the inner wall of the upper end of the supporting angle iron abuts against the outer side wall of the main limb of the angle iron.
Preferably, the outer side walls of the first steel batten plates on the two sides of the steel lattice column are respectively flush with the outer side walls of the two supporting angle irons, and the third steel batten plate is welded and fixed on the first steel batten plate of the steel lattice column.
The beneficial effects of the utility model reside in that:
the structure improves the inclination phenomenon of the steel lattice column, so that the bending stress of the steel lattice column is converted to the axle center stress, and the strength and the rigidity of the steel lattice column are increased; and the construction are convenient.
Description of the drawings:
fig. 1 is a schematic three-dimensional structure of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a schematic structural diagram of the side view of the present invention.
In the figure: 1. a bottom concrete abutment; 2. a concrete support beam; 3. a steel lattice column; 31. angle iron main limbs; 32. a first steel gusset plate; 4. supporting angle iron; 5. a base plate; 6. a third steel gusset plate; 7. a second steel gusset plate.
The specific implementation mode is as follows:
example (b): as shown in fig. 1 to 3, the reinforcing structure of the inclined steel lattice column in the foundation pit comprises a bottom concrete base 1, a concrete supporting beam 2 and an inclined steel lattice column 3, wherein the top end of the steel lattice column 3 is inserted and abutted against the concrete supporting beam 2, the bottom end of the steel lattice column 3 is inserted and fixed in the bottom concrete base 1, the steel lattice column 3 consists of four angle iron main limbs 31 and a plurality of first steel gusset plates 32, two vertical supporting angle irons 4 are arranged between the concrete supporting beam 2 on the side of an acute angle formed by the angle iron main limbs 31 and the bottom concrete base 1, the upper ends of the supporting angle irons 4 are abutted against the angle iron main limbs 31 and abutted against the concrete supporting beam 2, the lower ends of the supporting angle irons 4 are abutted against a backing plate 5, and the backing plate 5 is abutted against the bottom concrete base 1; a plurality of second steel batten plates 7 are welded and fixed between the two supporting angle irons 4, a plurality of third steel batten plates 6 are welded and fixed on the side walls of the supporting angle irons 4, and the third steel batten plates 6 are welded and fixed on the steel lattice columns 3.
Preferably, the second steel batten plate 7 and the third steel batten plate 6 are uniformly distributed on the supporting angle iron 4 in a linear mode.
Preferably, the width of the backing plate 5 is greater than the width of the support angle 4, and the length of the backing plate 5 is greater than the distance between the support angle 4.
Preferably, the second steel batten plate 7 at the bottom end of the support angle iron 4 abuts against the backing plate 5 and is welded and fixed with the backing plate 5.
Preferably, the cross section of the supporting angle iron 4 is L-shaped, and the inner wall of the upper end of the supporting angle iron 4 abuts against the outer side wall of the main angle iron limb 31.
Preferably, the outer side walls of the first steel batten plates 32 on both sides of the steel lattice column 3 are respectively flush with the outer side walls of the two supporting angle irons 4, and the third steel batten plate 6 is welded and fixed on the first steel batten plate 32 of the steel lattice column 3.
The working principle is as follows: the utility model relates to a reinforcement structure of an inclined steel lattice column in a foundation pit, which has the main technical points that two supporting angle irons 4 are additionally arranged, and the supporting angle irons 4 are erected on a bottom concrete base 1 and a concrete supporting beam 2 and are propped against the upper end of a steel lattice column 3; and the second steel batten plate 7 and the third steel batten plate 6 are used for reinforcement, so that the angle iron 4 is supported to reinforce the supporting steel lattice column 3, the inclination degree of the steel lattice column 3 is prevented from being more serious, and the safety of the foundation pit is ensured.
The examples are intended to be illustrative, but not limiting, of the invention. The embodiments can be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the present invention should be determined by the appended claims.
Claims (6)
1. The utility model provides a reinforced structure of steel lattice column inclines in foundation ditch, includes bottom concrete base (1), the steel lattice column (3) of a concrete supporting beam (2) and slope, the top of steel lattice column (3) is pegged graft and is supported and lean on a concrete supporting beam (2), in the bottom grafting fixed bottom concrete base (1) of steel lattice column (3), steel lattice column (3) comprise four angle bar main limbs (31) and a plurality of first steel lacing plate (32), its characterized in that: two vertical supporting angle irons (4) are arranged between the concrete supporting beam (2) on one side of the acute angle formed by the angle iron main limb (31) and the bottom concrete base station (1), the upper ends of the supporting angle irons (4) are abutted against the angle iron main limb (31) and abutted against the concrete supporting beam (2), the lower ends of the supporting angle irons (4) are abutted against the backing plate (5), and the backing plate (5) is abutted against the bottom concrete base station (1); a plurality of second steel batten plates (7) are welded and fixed between the two supporting angle bars (4), a plurality of third steel batten plates (6) are welded and fixed on the side walls of the supporting angle bars (4), and the third steel batten plates (6) are welded and fixed on the steel lattice columns (3).
2. The reinforcement structure of an inclined steel lattice column in a foundation pit according to claim 1, wherein: the second steel batten plate (7) and the third steel batten plate (6) are uniformly distributed on the supporting angle iron (4) in a linear mode.
3. The reinforcement structure of an inclined steel lattice column in a foundation pit according to claim 1, wherein: the width of the base plate (5) is larger than that of the supporting angle iron (4), and the length of the base plate (5) is larger than the distance between the supporting angle irons (4).
4. The reinforcement structure of an inclined steel lattice column in a foundation pit according to claim 3, wherein: and the second steel batten plate (7) at the bottom end of the support angle iron (4) is abutted against the backing plate (5) and is welded and fixed with the backing plate (5).
5. The reinforcement structure of an inclined steel lattice column in a foundation pit according to claim 1, wherein: the cross section of the supporting angle iron (4) is L-shaped, and the inner wall of the upper end of the supporting angle iron (4) is abutted against the outer side wall of the main arm (31) of the angle iron.
6. The reinforcement structure of an inclined steel lattice column in a foundation pit according to claim 5, wherein: the outer side walls of the first steel batten plates (32) on the two sides of the steel lattice column (3) are respectively flush with the outer side walls of the two supporting angle irons (4), and the third steel batten plate (6) is fixedly welded on the first steel batten plate (32) of the steel lattice column (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020302691.1U CN211898433U (en) | 2020-03-12 | 2020-03-12 | Reinforced structure of steel lattice column that inclines in foundation ditch |
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| CN202020302691.1U CN211898433U (en) | 2020-03-12 | 2020-03-12 | Reinforced structure of steel lattice column that inclines in foundation ditch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115162354A (en) * | 2022-07-19 | 2022-10-11 | 浙江大学建筑设计研究院有限公司 | Inner support lattice column deflection reinforcing structure and reinforcing method for foundation pit engineering |
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2020
- 2020-03-12 CN CN202020302691.1U patent/CN211898433U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115162354A (en) * | 2022-07-19 | 2022-10-11 | 浙江大学建筑设计研究院有限公司 | Inner support lattice column deflection reinforcing structure and reinforcing method for foundation pit engineering |
| CN115162354B (en) * | 2022-07-19 | 2024-03-19 | 浙江大学建筑设计研究院有限公司 | Inner support lattice column deflection reinforcing structure and reinforcing method for foundation pit engineering |
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