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Prefabricated concrete structure for foundation pit support

A technology for supporting concrete structures and foundation pits, which is applied in foundation structure engineering, excavation, construction, etc., can solve the problems of difficult dismantling and long construction period, and achieve the effect of easy dismantling

Pending Publication Date: 2019-05-31
GUILIN UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The purpose of the present invention is to provide a support structure for foundation pit support to solve the problems of dry shrinkage, long construction period and difficult dismantling of ordinary reinforced concrete support structures

Method used

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  • Prefabricated concrete structure for foundation pit support
  • Prefabricated concrete structure for foundation pit support
  • Prefabricated concrete structure for foundation pit support

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specific Embodiment

[0024] During implementation, bury column pile 18, start from column pile 18 to construction around foundation pit from foundation pit center, as figure 2 .

[0025] Can adopt when standard reinforced concrete beam unit 5 is consistent with column pile 18 width, directly use screw rod 6, bolt 7, nut 8 to connect standard reinforced concrete beam unit 5 and column pile 18 through horizontal connection steel plate 9.

[0026] When the standard reinforced concrete beam unit 5 is inconsistent with the column pile 18, concrete can be poured into the column pile 18 first, and after the concrete is set, the construction drilling 20 is opened, the high-strength planting glue is poured, and the pre-embedded steel bar 17 is implanted. steel plate 14. After the strength is satisfied, the L-type connecting steel piece 12 is used to connect the standard reinforced concrete beam unit 5 through the screw 6, the bolt 7, and the nut 8.

[0027] After the connection with the column 18 is com...

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Abstract

The invention provides a prefabricated concrete structure for foundation pit support. The prefabricated concrete structure comprises a standard rebar concrete beam unit, a horizontal connecting steelplate, a concrete adapter beam, an L-shaped connecting steel plate, an M-shaped connecting steel cushion plate, an embedded steel plate, embedded bolts, a screw, a bolt and a nut. The embedded steel plates are arranged on five faces of the two ends of the standard rebar concrete beam unit and reliably connected with in-beam reinforcing bars, high-strength concrete is adopted for a beam body, horizontal through holes and vertical through holes are formed in the two ends of the beam respectively, and the basic unit of the support structure is formed through the connection of the screw, the nut and the horizontal steel plate. Through the connection of steel members of different structure types and forms and rebar concrete beam units of different models, the support form of various kinds of foundation pit support can be combined, and the requirements for various kinds of foundation pit support can be met.

Description

technical field [0001] The invention relates to the technical field of engineering, in particular to a device for foundation pit support. Background technique [0002] At present, there are various support methods in foundation pit support, including anchor cables, piles, internal supports and so on. With the improvement of engineering construction technology and the increasing requirements of the surrounding environment for foundation pit construction in urban construction, internal support has become one of the important structural forms of urban foundation pit construction in the case of limited space around the foundation pit. [0003] The main structural forms of internal support widely used at present are reinforced concrete internal support, prefabricated steel structure internal support, and steel pipe concrete internal support. In actual engineering, a variety of structural forms are often combined. As far as simple components are concerned, CFST has high compressi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/04
Inventor 黄翔陈鸿宾陈学军唐灵明陈李洁李佳明陈议城余思喆
Owner GUILIN UNIVERSITY OF TECHNOLOGY
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