CN207525779U - A kind of assembly type pipe gallery pattern foundation pit supporting structure of recycling and structure external mold composite structure - Google Patents

A kind of assembly type pipe gallery pattern foundation pit supporting structure of recycling and structure external mold composite structure Download PDF

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Publication number
CN207525779U
CN207525779U CN201721217051.5U CN201721217051U CN207525779U CN 207525779 U CN207525779 U CN 207525779U CN 201721217051 U CN201721217051 U CN 201721217051U CN 207525779 U CN207525779 U CN 207525779U
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China
Prior art keywords
foundation pit
steel
sheet pile
steel sheet
pipe gallery
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CN201721217051.5U
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马鸿敏
马建勋
李宗文
马晓飞
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Xian Jiaotong University
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Xian Jiaotong University
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Abstract

The utility model provides a kind of assembly type pipe gallery pattern foundation pit supporting structure of recycling and structure external mold composite structure, and assembled by standard component and dismountable High-Density Urban Area that is suitable for uses, and occupies little space, can recycle, construction is simple.The composite structure includes the vertical supporting of foundation pit and structure external mold assembled unit and horizontal support structure;The vertical supporting of the foundation pit includes symmetrically arranged steel sheet pile, symmetrically arranged steel form and the connector being fixedly connected for steel sheet pile and steel form with structure external mold assembled unit;Steel form is arranged on the inside of steel sheet pile in gap setting;The lower end of steel sheet pile and steel form is fixedly inserted in pipe gallery foundation pit;The horizontal support structure includes for being supported from the upper track of the symmetrical steel sheet pile of steel sheet pile upper support and for being supported from the lower road of the symmetrical steel form of steel form upper support.

Description

A kind of assembly type pipe gallery pattern foundation pit supporting structure of recycling and the outer die combination of structure Structure
Technical field
The utility model is related to pipe gallery construction field, the assembly type pipe gallery foundation pit of specially a kind of recycling Supporting and structure external mold composite structure.
Background technology
With the rapid development of urbanization, the traditional direct-buried mode of municipal pipeline has exposed problems, serious to hinder The development in city is come into being to solve problem above pipe gallery this intensive building.Pipe gallery will be various The cables such as municipal pipeline and communication concentrate laying, can successive elimination " road slide fastener ", " aerial cobweb " the problems such as and Urban carrying capacity is improved, is the necessarily guarantee of new city development.
Pipe gallery construction at this stage is all concentrated on substantially in the big city of population and building dense.It is built in these places If pipe gallery mainly faces two hang-ups:Pipe gallery excavation of foundation pit size is restricted so that outboard template sets up space and has Limit and pattern foundation pit supporting structure are more difficult.
" a kind of reusable pipe gallery pattern foundation pit supporting structure and the outer module of structure of the patent No. " 201620425135.7 " Close structure " disclose a kind of vertical supporting and retaining system of foundation pit by pipe gallery foundation pit both sides and structure external mold assembled unit and horizontally-supported The composite structure that structure is formed.The vertical supporting and retaining system of foundation pit includes a secondary three axis cement with structure external mold assembled unit in this structure Native mixing pile, this more difficulty of constructing in city, first cement mixing method can generate larger vibration in construction, secondly Cement mixing method cannot be removed after the completion of pipe gallery construction, cause the pollution and waste of urban underground space.
Generally speaking, existing pattern foundation pit supporting structure and cast outer mold structure all independent actions, occupied space is big, and pattern foundation pit supporting structure knot Structure can not be removed, and pollute urban underground space.
Utility model content
For problems of the prior art, the utility model provides a kind of assembly type pipe gallery base of recycling Supporting and structure external mold composite structure are cheated, assembled by standard component and dismountable High-Density Urban Area that is suitable for uses, and occupies little space, It can recycle, construction is simple.
The utility model is to be achieved through the following technical solutions:
A kind of assembly type pipe gallery pattern foundation pit supporting structure of recycling and structure external mold composite structure, are vertically propped up including foundation pit Shield and structure external mold assembled unit and horizontal support structure;
The vertical supporting of the foundation pit includes symmetrically arranged steel sheet pile, symmetrically arranged steel with structure external mold assembled unit Template and the connector being fixedly connected for steel sheet pile with steel form;Steel form is arranged on the inside of steel sheet pile in gap setting;Steel The lower end of sheet pile and steel form is fixedly inserted in pipe gallery foundation pit;
The horizontal support structure includes supporting and using from the upper track of the symmetrical steel sheet pile of steel sheet pile upper support It is supported in from the lower road of the symmetrical steel form of steel form upper support.
Preferably, the steel sheet pile is straight line shaped steel plate pile.
Preferably, it is respectively arranged with the jointing coordinated with connector on the inside of steel sheet pile and on the outside of steel form.
Further, the connector uses double threaded screw, and jointing uses nut.
Preferably, upper track support and the support of lower road include channel steel, pullover and steel pipe;Channel steel and pullover pass through bolt and steel Sheet pile or steel form are fixed to form Guan Liang, and steel pipe is supported on by Guan Liang between steel sheet pile or between steel form.
Preferably, extension is laid along its length in pipe gallery foundation pit for steel sheet pile and steel form.
Preferably, steel sheet pile embedment pipe gallery foundation pit bottom surface at least 2m.
Preferably, steel form embedment pipe gallery foundation pit bottom surface at least 0.5m.
Compared with prior art, the utility model has technique effect beneficial below:
The composite structure that a kind of pipe gallery pattern foundation pit supporting structure of recycling of the utility model is combined with structure external mold, by Standard component is assembled and is removably suitable in High-Density Urban Area, is arranged on the steel template structure of inside by inside to pipe gallery Limitation as pipe gallery exterior sheathing, can be played to pipe gallery pattern foundation pit supporting structure again by the supporting role to firm sheet pile Two supporting defence lines act on, and have double action.The vertical supporting of foundation pit simultaneously and structure external mold assembled unit and horizontally-supported knot Structure component is that the standard steel member of repeatable splicing and dismounting solves foundation pit supporting construction and can not remove, pollution Urban Underground The problem of space, overcome existing pattern foundation pit supporting structure and cast outer mold structure independent action, occupied space is big, it is difficult to the problem of constructing, together When accomplished construct instrument reuse, save working sources.
Further, by the setting for the connector that can be dismantled, not only ensure that between steel sheet pile and steel form can It is connected by gap, and assembling installation can be improved and recycle efficiency, the identical structure of different location can exchange, general Property it is high.
Further, by the setting of threaded rod and nut, once-through operation can be realized, to the same of steel sheet pile and steel form When connection fix.
Further, by mating between steel pipe and Guan Liang, the dismounting of horizontal support structure is greatly improved Performance, cooperation is simple, and support performance is good.
Description of the drawings
Fig. 1 is the structure diagram of the steel sheet pile described in the example of the utility model.
Fig. 2 is the structure diagram of the steel form described in the example of the utility model.
Fig. 3 is the vertical supporting of foundation pit described in the example of the utility model and the structural representation of structure external mold assembled unit Figure.
Fig. 4 is the high underground pipe gallery schematic diagram of the construction 1/3 described in the example of the utility model.
As shown in the figure:1st, steel sheet pile;2nd, connector;3rd, steel form;4th, channel steel;5th, pullover;6th, steel pipe;7th, pipe gallery.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, it is described be the explanation to the utility model and It is not to limit.
As shown in figure 3, a kind of assembly type pipe gallery pattern foundation pit supporting structure of recycling of the utility model and the outer module of structure Structure is closed, including the vertical supporting of foundation pit and structure external mold assembled unit and horizontal support structure, the wherein vertical supporting of foundation pit and knot Structure external mold assembled unit includes steel sheet pile 1, steel form 3 and connector 2;Steel sheet pile 1 and steel form 3 are connected solid by connector 2 It is fixed.
The horizontal support structure is divided into twice support up and down, and upper track support directly acts on steel sheet pile 1, and lower road support is straight It connects and acts on steel form 3.Twice horizontal support structure includes channel steel 4, pullover 5, steel pipe 6.Channel steel 4 and pullover 5 pass through bolt Guan Liang is formed with the fixation of steel sheet pile 1, steel pipe 6 is supported on the vertical supporting of pipe gallery foundation pit and die combination list outside structure by Guan Liang In member.
The vertical supporting of foundation pit is twice supporting defence line with the vertical supporting of foundation pit in structure external mold assembled unit.Steel sheet pile 1 It for first of supporting defence line, is directly contacted with pipe gallery foundation pit soil at both sides, supporting is carried out for foundation pit.Steel form 3 is the Two supporting defence lines are connect by connector 2 with steel sheet pile 1, act on jacking force for the steel sheet pile 1 of foundation pit both sides, indirectly The soil body of foundation pit both sides is reinforced.
The vertical supporting of foundation pit is repeatable splicing and dismounting with structure external mold assembled unit and horizontal support structure component Standard steel member.
As shown in Figure 1, steel sheet pile 1 is the straight line shaped steel plate pile with jointing.As shown in Fig. 2, steel form 3 be with The steel form of jointing.Jointing can easily and fast be connected by connector 2.First connector 2 can be connected to Steel form 3 is reconnected on jointing on steel sheet pile 1 or first connector 2 is connected on the jointing on steel form 3 Reconnect steel sheet pile 1 or by the jointing in the junction steel plate stake 1 and steel form 3 simultaneously of connector 2.
As shown in figure 4, it is as follows in construction:
A. measuring spot plane control net;
B. both sides steel sheet pile 1 is performed, steel sheet pile 1 is embedded at least 2m below foundation pit bottom surface;
C. channel steel 4 and pullover 5 are fixed in two side roof part reserved location bolts of steel sheet pile 1;
D. foundation pit is excavated downwards 0.5m;
E. the steel pipe 6 by upper track support is mounted in pullover 5, completes the construction and installation of upper track support;
F. by excavation of foundation pit to design position;
G., both sides steel form 3 is installed, first by steel form 3 to deflecting slightly, and erect connecting interface on the inside of foundation pit during installation Line and the interface vertical line centering on corresponding steel sheet pile 1, then hammering steel form 3, steel form 3 is embedded to base simultaneously to designed elevation Cheat below ground at least 0.5m, then by steel form 3 on the outside of foundation pit pushing tow, while the jointing on steel form 3 is made to pass through company Fitting 2 is connected with the jointing on steel sheet pile 1, completes the installation of steel form 3;
H. channel steel 4 and pullover 5 are fixed in two side roof part reserved location bolts of steel form 3;
I. the steel pipe 6 lower road supported is mounted in pullover 5, completes the construction and installation of lower road support;
J. the finishing and foundation construction of bottom of foundation ditch;
K. the setting of pipe gallery inner template and the making of reinforcing bar are placed;
L. pouring synthetic piping lane concrete;
M. inside and outside template is removed after this section of piping lane concrete strength meets.Lateral steel pipe is first removed when removing exterior sheathing 6, then the pullover 5 and channel steel 4 at 3 top of steel form are removed, finally remove steel form 3;
N. steel sheet pile supporting construction is removed, the bracing structure of steel sheet pile supporting is first removed, when removing cross-brace Lateral steel pipe 6 is first removed, then removes the pullover 5 and channel steel 4 at the top of steel sheet pile, then removes steel sheet pile 1;
O. foundation pit backfill and compacting;
P. above step is repeated, carries out the construction of hypomere pipe gallery 7.
Due to being made using the assembly type pipe gallery pattern foundation pit supporting structure that such New Cycle uses with structure external mold composite structure Excavation of foundation pit size greatly reduces when pipe gallery is built, and reduces the occupancy for city spaces such as urban roads.While by In not only being constructed using such detachable new composite structure, more convenient, speed of application is fast, but also constructs in pipe gallery Foundation pit supporting construction can be removed completely after the completion, the underground space around pipe gallery construction hardly causes after the completion Pollution and waste, saved urban underground space, met the requirement of green construction.

Claims (8)

1. a kind of assembly type pipe gallery pattern foundation pit supporting structure of recycling and structure external mold composite structure, which is characterized in that including The vertical supporting of foundation pit and structure external mold assembled unit and horizontal support structure;
The vertical supporting of the foundation pit includes symmetrically arranged steel sheet pile (1), symmetrically arranged steel with structure external mold assembled unit Template (3) and the connector (2) being fixedly connected for steel sheet pile (1) with steel form (3);Steel form (3) is arranged on steel sheet pile (1) Inside is in gap setting;The lower end of steel sheet pile (1) and steel form (3) is fixedly inserted in pipe gallery foundation pit;
The horizontal support structure include for from the upper track of the symmetrical steel sheet pile of steel sheet pile (1) upper support (1) support and For being supported from the lower road of the symmetrical steel form of steel form (3) upper support (3).
2. a kind of assembly type pipe gallery pattern foundation pit supporting structure of recycling according to claim 1 and the outer die combination knot of structure Structure, which is characterized in that the steel sheet pile (1) is straight line shaped steel plate pile.
3. a kind of assembly type pipe gallery pattern foundation pit supporting structure of recycling according to claim 1 and the outer die combination knot of structure Structure, which is characterized in that on the inside of steel sheet pile (1) and be respectively arranged with the connection coordinated with connector (2) on the outside of steel form (3) and connect Head.
4. a kind of assembly type pipe gallery pattern foundation pit supporting structure of recycling according to claim 3 and the outer die combination knot of structure Structure, which is characterized in that the connector (2) uses nut using double threaded screw, jointing.
5. a kind of assembly type pipe gallery pattern foundation pit supporting structure of recycling according to claim 1 and the outer die combination knot of structure Structure, which is characterized in that upper track supports and the support of lower road includes channel steel (4), pullover (5) and steel pipe (6);Channel steel (4) and pullover (5) Guan Liang is formed by bolt and the fixation of steel sheet pile (1) or steel form (3), steel pipe (6) is supported on steel sheet pile (1) by Guan Liang Between or steel form (3) between.
6. a kind of assembly type pipe gallery pattern foundation pit supporting structure of recycling according to claim 1 and the outer die combination knot of structure Structure, which is characterized in that extension is laid along its length in pipe gallery foundation pit for steel sheet pile (1) and steel form (3).
7. a kind of assembly type pipe gallery pattern foundation pit supporting structure of recycling according to claim 1 and the outer die combination knot of structure Structure, which is characterized in that steel sheet pile (1) embedment pipe gallery foundation pit bottom surface at least 2m.
8. a kind of assembly type pipe gallery pattern foundation pit supporting structure of recycling according to claim 1 and the outer die combination knot of structure Structure, which is characterized in that steel form (3) embedment pipe gallery foundation pit bottom surface at least 0.5m.
CN201721217051.5U 2017-09-21 2017-09-21 A kind of assembly type pipe gallery pattern foundation pit supporting structure of recycling and structure external mold composite structure Active CN207525779U (en)

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Application Number Priority Date Filing Date Title
CN201721217051.5U CN207525779U (en) 2017-09-21 2017-09-21 A kind of assembly type pipe gallery pattern foundation pit supporting structure of recycling and structure external mold composite structure

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Application Number Priority Date Filing Date Title
CN201721217051.5U CN207525779U (en) 2017-09-21 2017-09-21 A kind of assembly type pipe gallery pattern foundation pit supporting structure of recycling and structure external mold composite structure

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109778868A (en) * 2018-12-28 2019-05-21 上海建工集团股份有限公司 A kind of clad steel sheet pile combined enclosure structure and its construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109778868A (en) * 2018-12-28 2019-05-21 上海建工集团股份有限公司 A kind of clad steel sheet pile combined enclosure structure and its construction method

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