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Pipe gallery foundation pit assembly type integral translation supporting system and construction method

A supporting system and assembled technology, applied in infrastructure engineering, excavation, artificial islands, etc., can solve the problems of low construction efficiency, achieve good construction effect, high economic and social benefits, improve support construction efficiency and excavation efficiency Effect

Active Publication Date: 2020-05-29
SHANGHAI CONSTRUCTION GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, at present, for the pipe gallery foundation pit that adopts the form of steel pipe opposite braces, the construction method is to erect supports one by one at a certain interval, and remove them one by one after the supports are used. This traditional method of root-by-root construction does not make full use of the pipe gallery The modulus characteristics of the same support length and the same support spacing in the long vertical range of the foundation pit, the construction efficiency is low

Method used

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  • Pipe gallery foundation pit assembly type integral translation supporting system and construction method
  • Pipe gallery foundation pit assembly type integral translation supporting system and construction method
  • Pipe gallery foundation pit assembly type integral translation supporting system and construction method

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Embodiment 1

[0032] Combine figure 1 with figure 2 As shown, this embodiment provides an assembled integral translational support system for a pipe gallery foundation pit. An enclosure structure 1 is provided along the length direction on both sides of the pipe gallery foundation pit, and a top beam 2 is provided on the top of the enclosure structure 1. The pressure top beam 2 is provided with a concave platform along the length direction on the side close to the foundation pit. The supporting system includes a connecting beam 11, a steel support 12, a jack 13, a longitudinal guide rail 14 and a roller assembly 16.

[0033] Combine image 3 with Figure 4 As shown, the longitudinal guide rails 14 are arranged along the length of the concave platform, and the longitudinal guide rails 14 are provided with transverse positioning grooves 15 at intervals, and the transverse positioning grooves are used to realize the positioning of the roller assembly 16 under the pushing of the jack 13.

[0034] C...

Embodiment 2

[0042] This embodiment provides a construction method for a pipe gallery foundation pit, which adopts the assembled integral translation support system described in the first embodiment. The construction method will be further introduced below in conjunction with the drawings.

[0043] The construction method includes the following steps:

[0044] Step 1. Along the length of the pipe gallery, construct the enclosure 1 on both sides of the foundation pit and the top beam 2 with a concave platform on the top of the enclosure 1;

[0045] Step 2: Set the longitudinal guide rail 14 on the concave platform of the top beam 2; hoist the integral support frame composed of the connecting beam 11, the steel support 12, and the jack 13 in place, so that the roller assembly 16 under the flange of the connecting beam 11 is supported on On the longitudinal guide rail 14;

[0046] Step 3. Use the roller assembly 16 to move the integral support frame into position along the longitudinal guide rail 14...

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Abstract

The invention discloses a pipe gallery foundation pit assembly type integral translation supporting system and a construction method. Enclosure structures are arranged on the two sides of a pipe gallery foundation pit in the length direction, coping beams are arranged at the tops of the enclosure structures, concave platforms are arranged on the sides, close to the foundation pit, of the coping beams in the length direction, the supporting system comprises connecting beams, steel supports, jacks, longitudinal guide rails and idler wheel assemblies, transverse positioning grooves are formed inthe longitudinal guide rails at intervals, the idler wheel assemblies are positioned under pushing of the jacks, and the idler wheel assemblies can drive the connecting beams to move along the longitudinal guide rails. According to the supporting system and the construction method, the characteristic that the supporting lengths and intervals of the underground pipe gallery foundation pit in the longitudinal direction are consistent is fully utilized, the rapid, convenient and safe supporting system and the construction method are provided for the underground pipe gallery foundation pit in a targeted mode, the supporting construction efficiency and the earth cutting efficiency are greatly improved, and meanwhile, the beneficial effects of saving materials, saving energy and being environmentally friendly are achieved; and good economic and social benefits can be generated.

Description

Technical field [0001] The invention relates to a pipe gallery foundation pit assembly type integral translation support system and a construction method, belonging to the technical field of foundation pit support. Background technique [0002] For the construction of the municipal underground comprehensive pipe gallery, the plane shape of the foundation pit is generally ultra-long and narrow, that is, the foundation pit extends for several kilometers in the longitudinal direction, and the horizontal dimension is about the cross-sectional dimension of the underground pipe gallery, generally 6m to 12m. For this kind of flat foundation pit, the supporting arrangement generally adopts counter bracing, and the steel tube counter bracing is widely used because of its clear force and convenient erection. [0003] However, the current construction method for pipe gallery foundation pits using steel pipe butt bracing is to erect supports one by one at regular intervals, and then remove the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/04E02D29/045
CPCE02D17/04E02D29/10
Inventor 张竹庭林巧钟铮周婉颜超
Owner SHANGHAI CONSTRUCTION GROUP
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