CN215829427U - High stability encloses purlin structure - Google Patents
High stability encloses purlin structure Download PDFInfo
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- CN215829427U CN215829427U CN202121140221.0U CN202121140221U CN215829427U CN 215829427 U CN215829427 U CN 215829427U CN 202121140221 U CN202121140221 U CN 202121140221U CN 215829427 U CN215829427 U CN 215829427U
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Abstract
The utility model discloses a high-stability enclosing purlin structure for supporting a steel plate enclosing pile wall, wherein the steel plate enclosing pile wall consists of a plurality of U-shaped Larsen steel plate piles and comprises inner side piles and outer side piles which are arranged at intervals, the enclosing purlin structure comprises a steel enclosing purlin which encloses and supports the steel plate enclosing pile wall, a plurality of brackets for bearing the steel enclosing purlin and a section steel supporting piece for supporting the steel enclosing purlin, the steel enclosing purlin is formed by splicing and enclosing a plurality of H-shaped steels, the outer flange plate is attached to the U-shaped surface of the inner pile, the end surface of the section steel support is fixedly connected with the inner flange plate of the H-shaped steel, the stiffening ribs are arranged in the web grooves of the H-shaped steel, and the end faces of the brackets are fixedly connected with the U-shaped surfaces of the inner side piles.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a high-stability purlin enclosing structure with high structural strength.
Background
With the increasing construction of urban infrastructure, the operations of foundation pit excavation, bridge cofferdam construction, pipeline laying and the like are increased day by day, because the pile foundation operation needs to be hammered by high-frequency vibration, the generated noise and vibration have great influence on surrounding buildings and environments, a steel sheet pile supporting structure is used as a novel pile foundation material and is used as a soil retaining part, a water retaining part and a sand retaining part during excavation, and the steel sheet pile supporting structure plays a great role in the operations.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the existing technical problems; the utility model provides a high stability purlin structure is enclosed to structural strength is high.
In order to solve the technical problems, the utility model mainly adopts the following technical scheme:
the utility model relates to a high-stability enclosing purlin structure which is used for supporting a steel plate enclosing pile wall of a deep foundation pit, wherein the steel plate enclosing pile wall consists of a plurality of U-shaped Larsen steel plate piles which are overlapped front and back and are mutually occluded, and comprises inner side piles and outer side piles which are arranged at intervals, the enclosing purlin structure comprises a steel enclosing purlin which encloses and supports the steel plate enclosing pile wall, a plurality of brackets for bearing the steel enclosing purlin and a section steel supporting piece for supporting the steel enclosing purlin, the steel enclosing purlin is formed by splicing and enclosing a plurality of H-shaped steels, a flange plate on the outer side of the steel enclosing purlin is attached to a U-shaped surface of the inner side pile, a flange plate on the inner side of the steel enclosing purlin is fixedly connected with the end surface of the section steel supporting piece, a plurality of stiffening ribs are arranged in a belly groove of the H-shaped steels, two ends of the stiffening ribs are respectively and fixedly connected with two side walls of the belly groove, the end surface of the bracket is fixedly connected with the U-shaped surface of the inner side pile, a plurality of stiffening ribs are arranged in the H-shaped steel enclosing purlin groove, make unsettled H shaped steel flange plate end structure strengthen, the steel encloses the global rigidity of purlin and is effectively promoted, has increased its anti deformation's ability, prevents to enclose the local unstability of purlin, has guaranteed supporting of steel sheet fender pile reliably and safe, adopts the bracket to bear the weight of the steel and encloses the purlin, simple structure, simple to operate can prevent turning on one's side of steel enclosing purlin again, improves the security.
Preferably, the steel enclosing purlin is a double-layer H-shaped steel splicing structure, a plurality of stiffening ribs are arranged in an upper web groove of the upper-layer H-shaped steel and/or a lower web groove of the lower-layer H-shaped steel, two ends of each stiffening rib are connected with the side wall of the corresponding web groove respectively, the double-layer H-shaped steel improves the structural strength of the enclosing purlin, and the transmission area of loads between the steel sheet pile and the enclosing purlin is increased.
Preferably, the stiffening ribs are of plate-shaped structures, a plurality of stiffening ribs are uniformly distributed in the bellyband of the H-shaped steel, the stiffening ribs are vertically arranged, the plate height of each stiffening rib is matched with the depth of the bellyband, the plate length of each stiffening rib is matched with the width of the bellyband, two ends of each stiffening rib are respectively welded with two side walls of the bellyband, the bottom edge of each stiffening rib is welded with the bottom surface of the bellyband, each stiffening rib is of a plate-shaped structure, three edges of each stiffening rib are welded with the bellyband of the H-shaped steel, the structural strength of the H-shaped steel is greatly improved, and loads borne by the steel sheet piles can be effectively transmitted to the steel supporting pieces through the steel surrounding purlins.
Preferably, a gap formed between the inner surface of the outer pile of the Larsen steel sheet pile and the outer flange plate of the steel enclosing purlin is filled with fine aggregate concrete, the fine aggregate concrete at the gap fixes the steel sheet pile, and the load borne by the steel sheet pile can be effectively transmitted to the steel enclosing purlin, so that the supporting strength and the safety of the steel sheet pile are improved.
Preferably, the purlin structure is provided with a plurality of brackets, one side surface of each bracket is fixedly connected with the U-shaped surface of the inner side pile of the Larsen steel sheet pile, and the top surface of each bracket is fixedly connected with the bottom of the steel purlin and supports the steel purlin.
The utility model has the beneficial effects that: set up a plurality of stiffening ribs in the H shaped steel belly sill of purlin is enclosed to the steel, make the steel enclose the rigidity of purlin and effectively promote, increase its anti deformation's ability, simultaneously, space department fills pea gravel concreten and steel between the purlin encloses the purlin at steel sheet pile and steel and encloses and set up the bracket under the purlin, and the existing effect has transmitted the load, can prevent to enclose the purlin unstability of turning on one's side again, has guaranteed the steel sheet and has enclosed the reliability and the safety of stake.
Drawings
FIG. 1 is a schematic front view of one configuration of the present invention.
Fig. 2 is a schematic top view of the structure of fig. 1.
In the figure, 1, Larsen steel sheet piles, 11, inner piles, 12, outer piles, 2, steel purlins, 21, outer flange plates, 22, inner flange plates, 23, web grooves, 3, brackets, 4, steel section supporting pieces, 5 stiffening ribs and 6 fine aggregate concrete.
Detailed Description
The technical scheme of the utility model is further specifically described by the following embodiments and the accompanying drawings.
Example (b): the high-stability enclosing purlin structure is used for supporting a steel plate enclosing pile wall of a deep foundation pit, as shown in figures 1 and 2, the steel plate enclosing pile wall is composed of a plurality of U-shaped Larsen steel plate piles 1 which are overlapped front and back and are meshed with each other, the U-shaped Larsen steel plate piles comprise inner piles 11 and outer piles 12 which are arranged at intervals, the enclosing purlin structure comprises steel enclosing purlins 2 which enclose and support the steel plate enclosing pile wall, a plurality of brackets 3 which bear the steel enclosing purlins and section steel supporting pieces 4 which support the steel enclosing purlins, the end faces of the brackets are welded with the U-shaped faces of the inner piles, the steel enclosing purlins are placed on the brackets, the structure is simple, the installation is convenient, the instability of the steel enclosing purlins can be prevented, the steel enclosing purlins are formed by splicing and enclosing a plurality of H-shaped steels, a plurality of adding web faces are uniformly distributed in the U-shaped faces of the inner piles, the outer side flange plates 21 of the double layers of the H-shaped steels are adhered and abut against the U-shaped faces of the inner piles, the flange 22 of the section steel supporting pieces are welded with the end faces of the section steel supporting pieces, and the flange of the section steel enclosing purlins, and the H-shaped piles are positioned in the H-shaped piles in the intersecting area of the enclosing purlins Stiffening rib 5, above-mentioned stiffening rib is platelike structure, be vertical installation, stiffening rib's plate height is identical with the degree of depth of H shaped steel belly groove 23, stiffening rib's plate length cooperatees with the width of above-mentioned belly groove, stiffening rib's both ends respectively with correspond the both sides wall welding of belly groove, stiffening rib's base and the bottom surface welding that corresponds the belly groove, above-mentioned stiffening rib can effectively improve the structural strength and the support intensity of steel purlin, the space department that forms between the outside pilework internal surface of larsen steel sheet pile and the outside flange plate of steel purlin is filled with C30 pea gravel concret 6, can effectively transmit the load that the steel sheet pile received to purlin and shaped steel support piece on, the reliability and the safety of steel sheet fender pile have been guaranteed.
In the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "longitudinal", "lateral", "inner", "outer", etc. indicate the direction or positional relationship based on the directions or positional relationships shown in the drawings, which are only for convenience of description and understanding of the technical solutions of the present invention, and the above description is not intended to limit the present invention, and the present invention is not limited to the examples described above, and changes, modifications, additions or substitutions made by those skilled in the art within the spirit and scope of the present invention should be considered as the protection scope of the present invention.
Claims (4)
1. The utility model provides a high stability encloses purlin structure for the support of deep basal pit's steel sheet enclosure piling wall, steel sheet enclosure piling wall comprises U type Larsen steel sheet pile (1) of overlap joint and mutual interlock around a plurality of, including interval arrangement's inboard stake (11) and outside stake (12), its characterized in that: enclose the purlin structure including enclosing a plurality of brackets (3) that close and support above-mentioned steel sheet enclosure piling wall and supporting steel and enclose shaped steel support piece (4) of purlin, the steel encloses the purlin and encloses for many H shaped steel concatenations and encloses to close and form, and the U profile of above-mentioned inboard stake of its outside flange board (21) laminating, the terminal surface of above-mentioned shaped steel support piece of its inboard flange board (22) rigid coupling, and the belly ditch of H shaped steel (23) are equipped with a plurality of stiffening ribs (5), the both ends of stiffening rib rigid coupling both sides wall of belly ditch respectively, the terminal surface of bracket and the U profile rigid coupling of above-mentioned inboard stake.
2. A high stability purlin structure according to claim 1, wherein: the steel purlin (2) is of a double-layer H-shaped steel splicing structure, a plurality of stiffening ribs (5) are arranged in an upper abdominal groove of the upper-layer H-shaped steel and/or a lower abdominal groove of the lower-layer H-shaped steel, and two ends of each stiffening rib are connected with the side wall of the corresponding abdominal groove respectively.
3. A high stability purlin structure according to claim 1 or 2, wherein: the stiffening ribs (5) are of plate-shaped structures, a plurality of stiffening ribs are uniformly distributed in the bellyband (23) of the H-shaped steel, the stiffening ribs are vertically arranged, the plate height of each stiffening rib is matched with the depth of the bellyband, the plate length of each stiffening rib is matched with the width of the bellyband, two ends of each stiffening rib are respectively welded with two side walls of the bellyband, and the bottom edge of each stiffening rib is welded with the bottom surface of the bellyband.
4. A high stability purlin structure according to claim 1, wherein: and a gap formed between the inner surface of the pile at the outer side of the Larsen steel sheet pile (1) and the flange plate at the outer side of the steel purlin (2) is filled with fine aggregate concrete (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121140221.0U CN215829427U (en) | 2021-05-25 | 2021-05-25 | High stability encloses purlin structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121140221.0U CN215829427U (en) | 2021-05-25 | 2021-05-25 | High stability encloses purlin structure |
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| Publication Number | Publication Date |
|---|---|
| CN215829427U true CN215829427U (en) | 2022-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121140221.0U Active CN215829427U (en) | 2021-05-25 | 2021-05-25 | High stability encloses purlin structure |
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| Country | Link |
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| CN (1) | CN215829427U (en) |
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2021
- 2021-05-25 CN CN202121140221.0U patent/CN215829427U/en active Active
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