CN105672330A - Steel pipe intersection joint suitable for foundation pit support structure - Google Patents

Steel pipe intersection joint suitable for foundation pit support structure Download PDF

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Publication number
CN105672330A
CN105672330A CN201610158345.9A CN201610158345A CN105672330A CN 105672330 A CN105672330 A CN 105672330A CN 201610158345 A CN201610158345 A CN 201610158345A CN 105672330 A CN105672330 A CN 105672330A
Authority
CN
China
Prior art keywords
steel
steel pipe
foundation pit
profile steel
profile
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610158345.9A
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Chinese (zh)
Inventor
陈伟宏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI HORIZON EQUIPMENT ENGINEERING Co Ltd
Original Assignee
SHANGHAI HORIZON EQUIPMENT ENGINEERING Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHANGHAI HORIZON EQUIPMENT ENGINEERING Co Ltd filed Critical SHANGHAI HORIZON EQUIPMENT ENGINEERING Co Ltd
Priority to CN201610158345.9A priority Critical patent/CN105672330A/en
Publication of CN105672330A publication Critical patent/CN105672330A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/02Foundation pits
    • E02D17/04Bordering surfacing or stiffening the sides of foundation pits
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00Miscellaneous
    • E02D2600/20Miscellaneous comprising details of connection between elements

Abstract

The invention discloses a steel pipe intersection joint suitable for a foundation pit support structure. The steel pipe intersection joint suitable for the foundation pit support structure comprises first H-type steel and second H-type steel, wherein the first H-type steel is connected with two axially aligned first transverse steel pipes; the second H-type steel is connected with two axially aligned second transverse steel pipes above the first H-type steel, and the second H-type steel and the first H-type steel are connected in an intersection and overlapping mode; the first H-type steel is connected with the first transverse steel pipes through flanges; and the second H-type steel is connected with the second transverse steel pipes through flanges. By means of the steel pipe intersection joint of the structure, the mutually affected bi-directional force system interaction of the first transverse steel pipes and the second transverse steel pipes is eliminated, the problem of large-area collapse of a supporting system due to damage to one transverse steel pipe is avoided, and therefore the safety of an underground structure and surroundings of a foundation pit is effectively guaranteed.

Description

A kind of steel pipe crossover node suitable in foundation pit enclosure structure
Technical field
The present invention relates to foundation pit enclosure structure technical field, be specifically related to a kind of steel pipe crossover node suitable in foundation pit enclosure structure.
Background technology
When building the big basis of buried depth or underground engineering, generally requiring and carry out the earth excavation that the degree of depth is big, this is called foundation ditch by the face down underground space of excavation of ground. In order to ensure underground structure and the safety of foundation ditch surrounding enviroment, it is necessary to adopt foundation pit enclosure structure to foundation pit side-wall and be around supported, reinforce.
Go along with sb. to guard him with supporting beam attachment structure as Chinese utility model patent (CN203361165U) discloses a kind of building foundation pit, this building foundation pit is gone along with sb. to guard him and is included some being arranged at least two support on beams, for connecting each support beam first and connecting cover plate with supporting beam attachment structure, each first one side connecting cover plate is respectively equipped with at least two pieces and is connected the first reinforcement plate that cover plate is perpendicular with first, and first strengthen plate and be positioned at the first opposite sides being connected cover plate with supporting beam, described first strengthens that plate is perpendicular with support beam or oblique. The support beam attachment structure of this kind of structure can support beam by many and connect as one, and greatly increases the intensity supporting beam, to prevent support beam to be deformed in actual applications.
But, the building foundation pit no matter being above-mentioned is gone along with sb. to guard him with supporting beam attachment structure, or in existing foundation pit enclosure structure, cross-brace all carries out bidirectional crossed layout in usual friendship mode, namely on horizontal plane the support centerline of both direction in same absolute altitude. This interleaved mode has following shortcoming: one, bidirectional force system intersects, it is easy to influence each other. Two, supporting construction easily axial force by cross-brace affects and produces flexure, reduces stability; Three, when wherein a cross-brace is damaged, another cross-brace intersected with cross-brace is by because bearing huge transverse horizontal power and transverse curvature or destruction, thus causing the large-area collapse of support system, and then affect underground structure and the safety of foundation ditch surrounding enviroment.
Summary of the invention
For the above-mentioned problems in the prior art, now provide a kind of steel pipe crossover node suitable in foundation pit enclosure structure, it is intended to eliminate interactional bidirectional force system and intersect, it is prevented that cause the large-area crash issue of support system because cross-brace damages.
Concrete technical scheme is as follows:
A kind of steel pipe crossover node suitable in foundation pit enclosure structure, has the feature that, including: the first H profile steel, connect two axially align first horizontal steel pipes; With the second H profile steel, in two axially align the second horizontal steel pipes that are connected above of the first H profile steel, and, the second H profile steel overlap joint staggered with the first H profile steel; Wherein, the first H profile steel and the first horizontal steel pipe flange connect, and the second H profile steel and the second horizontal steel pipe flange connect.
Further, provided by the invention suitable in the steel pipe crossover node of foundation pit enclosure structure, can also have the feature that, the two ends of the first H profile steel are respectively welded and are fixed with the first ring flange, and, the link of the first horizontal steel pipe is welded with the second ring flange, each first ring flange and corresponding second ring flange and is removably connected by threaded fastener.
Further, provided by the invention suitable in the steel pipe crossover node of foundation pit enclosure structure, it is also possible to have the feature that, the some strengthenings of the first H profile steel spaced set along its length connect the first reinforcement of web and wing plate.
Further, provided by the invention suitable in the steel pipe crossover node of foundation pit enclosure structure, it is also possible to have the feature that, the first H profile steel is in welding some second reinforcements near the position of the first ring flange.
Further, provided by the invention suitable in the steel pipe crossover node of foundation pit enclosure structure, it is also possible to have the feature that, the first H profile steel is identical with the second H profile steel specification. (this is further restriction, need not too much consider)
Further, provided by the invention suitable in the steel pipe crossover node of foundation pit enclosure structure, it is also possible to have the feature that, the upper flange of the first H profile steel and the lower wing plate of the second H profile steel are fastenedly connected by threaded fastener.
Further, provided by the invention suitable in the steel pipe crossover node of foundation pit enclosure structure, it is also possible to have the feature that, the upper flange of the first H profile steel and the lower wing plate of the second H profile steel are welded and fixed.
Further, provided by the invention suitable in the steel pipe crossover node of foundation pit enclosure structure, it is also possible to have the feature that, the first H profile steel is vertical with the second H profile steel to be overlapped.
Further, provided by the invention suitable in the steel pipe crossover node of foundation pit enclosure structure, it is also possible to have the feature that, the first horizontal steel pipe is in welding some 3rd reinforcements near the position of the second ring flange.
Further, provided by the invention suitable in the steel pipe crossover node of foundation pit enclosure structure, it is also possible to have the feature that, the first horizontal steel pipe and the second horizontal steel pipe specification are identical.
Having the benefit effect that of technique scheme
By the second H profile steel of the first H profile steel and the horizontal steel pipe of connection second that connect the first horizontal steel pipe is carried out upper and lower stereo staggered overlap joint, eliminate the first horizontal steel pipe and the second horizontal interactional bidirectional force system of steel pipe intersects, prevent from causing the large-area crash issue of support system because wherein horizontal steel pipe damages, thus effectively guaranteeing underground structure and the safety of foundation ditch surrounding enviroment.
Accompanying drawing explanation
Fig. 1 is the front view of the steel pipe crossover node being applicable to foundation pit enclosure structure in embodiments of the invention.
Fig. 2 is the top view of the steel pipe crossover node being applicable to foundation pit enclosure structure in embodiments of the invention.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reaching purpose and effect and be easy to understand, technical scheme provided by the invention is specifically addressed by following example in conjunction with accompanying drawing 1 to Fig. 2.
Fig. 1 is the front view of the steel pipe crossover node being applicable to foundation pit enclosure structure in embodiments of the invention; Fig. 2 is the top view of the steel pipe crossover node being applicable to foundation pit enclosure structure in embodiments of the invention. In embodiment as depicted in figs. 1 and 2, it is adaptable to the steel pipe crossover node 100 of foundation pit enclosure structure includes the first H profile steel 1 and the second H profile steel 2. Wherein, the first H profile steel 1 is identical with the second H profile steel 2 specification.
Concrete, the first H profile steel 1 connects two axially align first horizontal steel pipes 3, and the second H profile steel 2 is connected above two axially align second horizontal steel pipes 4 in the first H profile steel 1. In the present embodiment, the first horizontal steel pipe 3 is identical with the second horizontal steel pipe 4 specification, is distinctive in that the first horizontal steel pipe 3 and second horizontal steel pipe 4 is perpendicular puts, then, accordingly, the first H profile steel 1 and the second H profile steel 2 vertically overlap.
In the present embodiment, the first H profile steel 1 and the first horizontal steel pipe 3 Flange joint, the second H profile steel 2 and the second horizontal steel pipe 4 Flange joint. Concrete, the two ends of the first H profile steel 1 are respectively welded and are fixed with the first ring flange 11, further, the link of the first horizontal steel pipe 3 is welded with the second ring flange 31, each first ring flange 11 and corresponding second ring flange 31 and is removably connected by threaded fastener 5. In the present embodiment, threaded fastener 5 can be any one in bolt, screw, screw rod.
In the present embodiment, the some strengthenings of the first H profile steel 1 spaced set along its length connect the first reinforcement 12 of web and wing plate. First H profile steel 1 is in welding some second reinforcements 13 near the position of the first ring flange 11. The wing plate of the first H profile steel 1 is alternatively arranged as the good platform being connected with upright column bracket. It is fastenedly connected by threaded fastener not shown in figure as preferred technical scheme, the upper flange of the first H profile steel 1 and the lower wing plate of the second H profile steel 2. Certainly, provided by the invention suitable in the steel pipe crossover node of foundation pit enclosure structure, the upper flange of the first H profile steel 1 and the lower wing plate of the second H profile steel 2 can also adopt and be welded and fixed.
In the present embodiment, destroying the second ring flange 31 to prevent the first H profile steel 1 from rushing to summit, as preferred technical scheme, the first horizontal steel pipe 3 is in welding some 3rd reinforcements 32 near the position of the second ring flange 31.
In the present embodiment, due to the first horizontal steel pipe 3 with second horizontal steel pipe 4 is perpendicular puts, the first H profile steel 1 and the second H profile steel 2 is just made vertically to overlap accordingly. Certainly, provided by the invention suitable in the steel pipe crossover node of foundation pit enclosure structure, if the first horizontal steel pipe 3 and the second horizontal steel pipe 4 form arbitrary angle, then, the second H profile steel 2 and the first H profile steel 1 with reference to the first horizontal steel pipe 3 and second laterally between the staggered overlap joint of angle.
The present embodiment provide suitable in the steel pipe crossover node of foundation pit enclosure structure, by the second H profile steel of the first H profile steel and the horizontal steel pipe of connection second that connect the first horizontal steel pipe is carried out upper and lower stereo staggered overlap joint, eliminate the first horizontal steel pipe and the second horizontal interactional bidirectional force system of steel pipe intersects, prevent from causing the large-area crash issue of support system because wherein horizontal steel pipe damages, thus effectively guaranteeing underground structure and the safety of foundation ditch surrounding enviroment. It addition, steel pipe crossover node also solves the inconvenient problem installed when two-way steel pipe support different level is intersected.
These are only preferred embodiment of the present invention; not thereby restriction embodiments of the present invention and protection domain; to those skilled in the art; the equivalent replacement done by all utilizations description of the present invention and diagramatic content and the obtained scheme of apparent change should be can appreciate that, all should be included in protection scope of the present invention.

Claims (10)

1. the steel pipe crossover node being applicable to foundation pit enclosure structure, it is characterised in that including:
First H profile steel, connects two axially align first horizontal steel pipes; With
Second H profile steel, in two axially align the second horizontal steel pipes that are connected above of described first H profile steel, and, described second H profile steel overlap joint staggered with described first H profile steel;
Wherein, described first H profile steel and the described first horizontal steel pipe flange connect, and described second H profile steel and the described second horizontal steel pipe flange connect.
2. the steel pipe crossover node suitable in foundation pit enclosure structure according to claim 1, it is characterized in that, the two ends of described first H profile steel are respectively welded and are fixed with the first ring flange, and, the link of the described first horizontal steel pipe is welded with the second ring flange, and each described first ring flange and accordingly described second ring flange are removably connected by threaded fastener.
3. the steel pipe crossover node suitable in foundation pit enclosure structure according to claim 2, it is characterised in that the some strengthenings of described first H profile steel spaced set along its length connect the first reinforcement of web and wing plate.
4. the steel pipe crossover node suitable in foundation pit enclosure structure according to claim 3, it is characterised in that described first H profile steel is in welding some second reinforcements near the position of described first ring flange.
5. the steel pipe crossover node suitable in foundation pit enclosure structure as claimed in any of claims 2 to 4, it is characterised in that described first H profile steel is identical with described second H profile steel specification.
6. the steel pipe crossover node suitable in foundation pit enclosure structure according to claim 1, it is characterised in that the upper flange of described first H profile steel and the lower wing plate of described second H profile steel are fastenedly connected by threaded fastener.
7. the steel pipe crossover node suitable in foundation pit enclosure structure according to claim 1, it is characterised in that the upper flange of described first H profile steel and the lower wing plate of described second H profile steel are welded and fixed.
8. the steel pipe crossover node suitable in foundation pit enclosure structure according to claim 1, it is characterised in that described first H profile steel is vertical with described second H profile steel to be overlapped.
9. the steel pipe crossover node suitable in foundation pit enclosure structure according to claim 1, it is characterised in that the described first horizontal steel pipe is in welding some 3rd reinforcements near the position of described second ring flange.
10. the steel pipe crossover node suitable in foundation pit enclosure structure according to claim 9, it is characterised in that the described first horizontal steel pipe is identical with the described second horizontal steel pipe specification.
CN201610158345.9A 2016-03-18 2016-03-18 Steel pipe intersection joint suitable for foundation pit support structure Pending CN105672330A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610158345.9A CN105672330A (en) 2016-03-18 2016-03-18 Steel pipe intersection joint suitable for foundation pit support structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610158345.9A CN105672330A (en) 2016-03-18 2016-03-18 Steel pipe intersection joint suitable for foundation pit support structure

Publications (1)

Publication Number Publication Date
CN105672330A true CN105672330A (en) 2016-06-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110820758A (en) * 2019-11-14 2020-02-21 南通大学 Detachable connecting component of steel pipe support and section steel tie bar

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101074699B1 (en) * 2010-11-29 2011-10-18 삼정건설 주식회사 Cross shape supporting device for earth retaining wall pile
CN102635118A (en) * 2012-03-26 2012-08-15 北京工业大学 Square steel pipe concrete supporting structure for foundation pit support
CN103046555A (en) * 2013-01-17 2013-04-17 华东建筑设计研究院有限公司 Bidirectional adjustable integration cruciform-joint joints for steel pipe bracing
CN105297744A (en) * 2015-11-16 2016-02-03 中国建筑第八工程局有限公司 Large foundation pit assembling type structural steel supporting system
CN205688446U (en) * 2016-03-18 2016-11-16 上海宏信设备工程有限公司 A kind of steel pipe crossover node being applicable to foundation pit enclosure structure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101074699B1 (en) * 2010-11-29 2011-10-18 삼정건설 주식회사 Cross shape supporting device for earth retaining wall pile
CN102635118A (en) * 2012-03-26 2012-08-15 北京工业大学 Square steel pipe concrete supporting structure for foundation pit support
CN103046555A (en) * 2013-01-17 2013-04-17 华东建筑设计研究院有限公司 Bidirectional adjustable integration cruciform-joint joints for steel pipe bracing
CN105297744A (en) * 2015-11-16 2016-02-03 中国建筑第八工程局有限公司 Large foundation pit assembling type structural steel supporting system
CN205688446U (en) * 2016-03-18 2016-11-16 上海宏信设备工程有限公司 A kind of steel pipe crossover node being applicable to foundation pit enclosure structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110820758A (en) * 2019-11-14 2020-02-21 南通大学 Detachable connecting component of steel pipe support and section steel tie bar

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Application publication date: 20160615

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