CN216108535U - Assembled foundation pit steel encloses purlin connection structure - Google Patents
Assembled foundation pit steel encloses purlin connection structure Download PDFInfo
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- CN216108535U CN216108535U CN202122575989.7U CN202122575989U CN216108535U CN 216108535 U CN216108535 U CN 216108535U CN 202122575989 U CN202122575989 U CN 202122575989U CN 216108535 U CN216108535 U CN 216108535U
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- angle steel
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- foundation pit
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Abstract
The utility model provides a connecting structure for steel purlins of an assembled foundation pit, and belongs to the technical field of building construction. According to the triangular support structure, the transverse angle steel, the longitudinal angle steel and the support angle steel form the triangular support structure through the expansion pipe bolts and the connecting bolts, support is provided for the purlin, meanwhile, the end part of the transverse angle steel is blocked by the full-length angle steel, and the rigidity and the stability of the triangular support structure are further improved. According to the utility model, the turnbuckle of the turnbuckle is arranged between the tie angle steel and the first enclosing purlin connecting plate through the steel bar hook, so that the enclosing purlin can be stabilized, and the enclosing purlin is prevented from falling off; the purlin structure can be suitable for surrounding purlin structures of different sizes and models by adjusting the turnbuckle length of the turnbuckle, and the purlin structure is more flexible and convenient to use. In addition, the components in the utility model can be recycled, and the construction cost can be effectively reduced.
Description
Technical Field
The utility model belongs to the technical field of building construction, and particularly relates to an assembled foundation pit steel purlin connecting structure.
Background
The steel enclosing purlin of the foundation pit mainly comprises two I-beams and the steel sheet of I-beam both sides, and the steel encloses the purlin top in fender post structure, when the foundation pit takes place to the inboard deformation in hole, can play the supporting role, does not let the foundation pit take place too big deformation.
The purlin connection structure is enclosed to traditional foundation ditch steel almost all realizes being connected between each part through welded mode, and is great to the damage of part, influences construction quality easily, and the construction degree of difficulty is big, and the technical requirement is high, can't accomplish each part in addition and repeat the week and change the use, is unfavorable for reducing construction cost.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides the assembled foundation pit steel purlin connecting structure, which effectively solves the problems that the traditional foundation pit steel purlin connecting structure is high in construction difficulty and cannot be recycled, and is beneficial to improving the construction efficiency and reducing the construction cost.
The present invention achieves the above-described object by the following technical means.
A connecting structure for an assembled foundation pit steel purlin comprises longitudinal angle steels, wherein a plurality of longitudinal angle steels are uniformly installed at the same height on one side of a fender pile at intervals through first expanding bolts, a transverse angle steel is installed at the upper part of each longitudinal angle steel through a connecting bolt, and an oblique supporting angle steel is installed between the lower part of each longitudinal angle steel and the transverse angle steel through a connecting bolt; the end parts of all the transverse angle steels are plugged by the same through-length angle steel, and the through-length angle steel is connected with the transverse angle steel through a connecting bolt;
the upper surface of the transverse angle steel is provided with a surrounding purlin structure, and a row of second expansion pipe bolts with the same height are uniformly arranged on the surrounding piles above the surrounding purlin structure at intervals; one end of the second expansion pipe bolt extends out of the fender post, and the second expansion pipe bolts are connected together through a tie angle steel; a plurality of turnbuckle screws are uniformly arranged between the tie angle steel and the surrounding purlin structure at intervals.
Furthermore, the enclosing purlin structure comprises a first enclosing purlin connecting plate and a second enclosing purlin connecting plate which are welded on the upper surface of the transverse angle steel and are arranged in parallel, and an enclosing purlin is welded between the first enclosing purlin connecting plate and the second enclosing purlin connecting plate; the second encloses the purlin connecting plate and is close to the fender pile, has pour the shutoff layer between second purlin connecting plate and the fender pile.
Furthermore, a plurality of through holes used for installing steel bar hooks are formed in the drawknot angle steel and the first enclosing purlin connecting plate, and two ends of the turnbuckle of the first enclosing purlin of the turnbuckle of.
Further, the thickness of the blocking layer is less than or equal to 60 mm.
Further, the plugging layer is rapid-hardening fine-stone concrete.
Further, the plugging layer is dry and hard cement mortar.
Furthermore, the interval between the longitudinal angle steels is 1.5m, and the interval between the turnbuckles of the turnbuckle is 2 m.
The utility model has the following beneficial effects:
in the utility model, all parts and the fender post are mechanically connected, so that the number of welding parts is very small, the safety is high, and potential safety hazards such as various fires caused by welding can be avoided; the utility model has convenient construction, simple and convenient installation and low requirement on installation personnel.
The structural components in the utility model are mostly formed by splicing excess materials on site, are convenient to find, have strong reproducibility and replaceability, are convenient to install, and are time-saving and labor-saving. All the parts in the utility model can be detached for use, thereby effectively improving the material utilization rate, avoiding the material waste and having strong popularization.
The purlin structure can be suitable for purlin structures with different sizes and models by adjusting the length of the turnbuckle of the.
Drawings
Fig. 1 is a schematic view of a connection structure of the assembled foundation pit steel purlin of the utility model.
In the figure: 1-fender posts; 2-a first expansion bolt; 3-longitudinal angle steel; 4-transverse angle steel; 5-supporting angle steel; 6-full length angle steel; 7-a first enclosing purlin connecting plate; 8-a second enclosing purlin connecting plate; 9-enclosing purlin; 10-a second expansion bolt; 11-tie angle steel; 12-rebar hook; 13-turnbuckle of turnbuckle.
Detailed Description
The utility model will be further described with reference to the following figures and specific examples, but the scope of the utility model is not limited thereto.
The connecting structure of the steel enclosing purlin of the assembled foundation pit is suitable for enclosing piles 1 in various forms such as construction method piles, secant piles, cast-in-place piles, underground diaphragm walls and the like. As shown in fig. 1, the assembled foundation pit steel enclosing purlin connecting structure comprises longitudinal angle steel 3, transverse angle steel 4, support angle steel 5, through long angle steel 6, a first enclosing purlin connecting plate 7, a second enclosing purlin connecting plate 8, an enclosing purlin 9 and turnbuckle 13.
As shown in fig. 1, a row of longitudinal angle steels 3 are uniformly installed at the same height of one side of a fender pile 1 at intervals through first expansion bolts 2; the upper part of each longitudinal angle steel 3 is provided with a transverse angle steel 4 through a connecting bolt, and the transverse angle steel 4 is vertical to the longitudinal angle steel 3; oblique supporting angle steel 5 is installed between horizontal angle steel 4 and the 3 lower parts of vertical angle steel through connecting bolt, and horizontal angle steel 4, vertical angle steel 3 and supporting angle steel 5 constitute triangular support structure jointly, can further guarantee assembled foundation ditch steel encloses purlin connection structure's overall stability. All horizontal angle steel 4's tip all leads to 6 shutoff of long angle steel through same root, leads to through connecting bolt connection between long angle steel 6 and the horizontal angle steel 4, lead to long angle steel 6 and make by many angle steel concatenations, lead to the use of long angle steel 6 and can further promote triangular support structure's rigidity and stability.
As shown in fig. 1, a first enclosing purlin connecting plate 7 and a second enclosing purlin connecting plate 8 are arranged in parallel, and the bottoms of the first enclosing purlin connecting plates and the second enclosing purlin connecting plates are welded on the upper surfaces of the transverse angle steels 4; the first enclosing purlin connecting plate 7 and the second enclosing purlin connecting plate 8 are welded with enclosing purlins 9, and the enclosing purlins 9 are double-spliced I-shaped steel or H-shaped steel. The second encloses purlin connecting plate 8 and is close to fender pile 1, encloses through rapid hardening pea gravel concrete or dry and hard cement mortar shutoff between purlin connecting plate 8 and the fender pile 1 for the second, and shutoff thickness less than or equal to 60mm, is convenient for promote the atress transmission way.
As shown in fig. 1, a row of second expansion pipe bolts 10 with the same height are uniformly installed on the fender post 1 above the purlin 9 at intervals; one end of the second expansion pipe bolt 10 extends out of the fender pile 1, and the second expansion pipe bolts 10 are connected together through a tie angle steel 11. A plurality of through holes for mounting the steel bar hooks 12 are formed in the tying angle steel 11 and the first purlin connecting plate 7; a plurality of turnbuckle 13 are uniformly arranged between the drawknot angle steel 11 and the first surrounding purlin connecting plate 7 at intervals, and two ends of the turnbuckle 13 are respectively connected with the drawknot angle steel 11 and the first surrounding purlin connecting plate 7 through steel bar hooks 12.
The types of the first expansion pipe bolt 2, the second expansion pipe bolt 10 and the connecting bolt are all selected according to the actual use requirement on site; the spacing distance between the longitudinal angle steels 3 is set according to the stress condition in actual construction, and when the stress is overlarge, the arrangement distance can be shortened. In this embodiment, preferably, the interval between the longitudinal angle steels 3 is set to 1.5 m; the interval between the turnbuckle 13 of the turnbuckle is set to be 2 m; the reinforcing steel bar hook 12 is made of reinforcing steel bar excess materials with the diameter of 16mm in a construction site.
The present invention is not limited to the above-described embodiments, and any obvious improvements, substitutions or modifications can be made by those skilled in the art without departing from the spirit of the present invention.
Claims (7)
1. The connecting structure for the steel enclosing purlin of the assembled foundation pit is characterized by comprising longitudinal angle steel (3), a plurality of longitudinal angle steel (3) are uniformly installed at the same height on one side of an enclosing pile (1) at intervals through first pipe expanding bolts (2), a transverse angle steel (4) is installed at the upper part of each longitudinal angle steel (3) through a connecting bolt, and an oblique supporting angle steel (5) is installed between the lower part of each longitudinal angle steel (3) and the transverse angle steel (4) through a connecting bolt; the end parts of all the transverse angle steels (4) are plugged by the same through-length angle steel (6), and the through-length angle steel (6) is connected with the transverse angle steels (4) through connecting bolts;
a surrounding purlin structure is arranged on the upper surface of the transverse angle steel (4), a row of second expansion pipe bolts (10) with the same height are uniformly arranged on the surrounding piles (1) above the surrounding purlin structure at intervals; one end of each second expansion pipe bolt (10) extends out of the fender post (1), and the second expansion pipe bolts (10) are connected together through a tie angle steel (11); a plurality of turnbuckle screws (13) are uniformly arranged between the tie angle steel (11) and the surrounding purlin structure at intervals.
2. The assembled foundation pit steel purlin connecting structure according to claim 1, wherein the purlin structure comprises a first purlin connecting plate (7) and a second purlin connecting plate (8) which are welded to the upper surface of the transverse angle steel (4) and arranged in parallel, and a purlin (9) is welded between the first purlin connecting plate (7) and the second purlin connecting plate (8); the second enclosing purlin connecting plate (8) is close to the enclosing pile (1), and a blocking layer is poured between the second enclosing purlin connecting plate (8) and the enclosing pile (1).
3. The connecting structure of the assembled foundation pit steel purlin of claim 2, wherein a plurality of through holes for installing steel bar hooks (12) are formed in the tie angle steel (11) and the first purlin connecting plate (7), and two ends of the turnbuckle (13) are respectively connected with the tie angle steel (11) and the first purlin connecting plate (7) through the steel bar hooks (12).
4. The fabricated foundation pit steel purlin connection structure of claim 2, wherein the thickness of the blocking layer is less than or equal to 60 mm.
5. The fabricated foundation pit steel purlin connection structure of claim 2, wherein the blocking layer is rapid hardening fine aggregate concrete.
6. The fabricated foundation pit steel purlin connection structure of claim 2, wherein the plugging layer is dry and hard cement mortar.
7. The fabricated foundation pit steel purlin connecting structure as claimed in claim 1, wherein the longitudinal angle steel (3) is spaced at 1.5m intervals, and the turnbuckle (13) is spaced at 2m intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122575989.7U CN216108535U (en) | 2021-10-25 | 2021-10-25 | Assembled foundation pit steel encloses purlin connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122575989.7U CN216108535U (en) | 2021-10-25 | 2021-10-25 | Assembled foundation pit steel encloses purlin connection structure |
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| Publication Number | Publication Date |
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| CN216108535U true CN216108535U (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122575989.7U Active CN216108535U (en) | 2021-10-25 | 2021-10-25 | Assembled foundation pit steel encloses purlin connection structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115305927A (en) * | 2022-09-07 | 2022-11-08 | 中建八局第三建设有限公司 | Construction method for splicing concrete support and IPS support |
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2021
- 2021-10-25 CN CN202122575989.7U patent/CN216108535U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115305927A (en) * | 2022-09-07 | 2022-11-08 | 中建八局第三建设有限公司 | Construction method for splicing concrete support and IPS support |
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