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Assembly type unilateral precast wall panel of underground station and vertical-rotation installation method

A technology for prefabricated wall panels and underground stations, applied in excavation, underwater structures, water conservancy projects, etc., can solve problems such as difficulty in installing prefabricated components in place, affecting installation efficiency, etc., and achieve the effect of being beneficial to plane layout and preventing mold expansion.

Pending Publication Date: 2020-05-19
无锡地铁集团有限公司 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the heavy prefabricated components, it is difficult to directly install the prefabricated components under the internal supports under the construction conditions of the foundation pit, which affects the installation efficiency

Method used

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  • Assembly type unilateral precast wall panel of underground station and vertical-rotation installation method
  • Assembly type unilateral precast wall panel of underground station and vertical-rotation installation method
  • Assembly type unilateral precast wall panel of underground station and vertical-rotation installation method

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Embodiment Construction

[0022] The present invention includes a single-sided prefabricated wall panel 1 located on the inside, a cast-in-place concrete 2 located on the outside, and a laminated integral wall panel 3 composed of a single-sided prefabricated wall panel 1 and cast-in-place concrete 2; wherein, the single-sided prefabricated wall Vertical upper U-shaped steel bars 4 protrude from the bottom of the board 1, and upper channel steel legs 5 are arranged between the upper U-shaped steel bars 4, so that they can support a single-sided prefabricated wall panel 1 in an upright installation state The cast-in-place or prefabricated bottom plate 6 or the superimposed cast-in-place middle plate 7 in the foundation pit protrudes from the bottom of the single-sided prefabricated wallboard 1 on the superimposed surface of the laminated integral wallboard 3 parts The lower U-shaped steel bar 8 corresponding to the U-shaped steel bar 4 and the lower channel steel leg 9 corresponding to the upper channel s...

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Abstract

The invention discloses an assembly type external wall panel of an underground station and a vertical-rotation installation method, wherein the assembly type external wall panel adopts a unilateral precast laminated wall panel. The assembly type external wall panel of the underground station adopts a laminated integrated structure; the external wall panel adopts layered and blocked unilateral pre-casting; 2-5 upper channel steel supporting legs are distributed among externally-exposed vertical U-shaped steel bars positioned at the bottom so that the upper channel steel supporting legs are usedfor supporting the own gravity of a single precast wall panel in a vertical installation state; and the precast wall panel is connected with a precast base plate by adopting a U-shaped steel bar buckle. The precast wall panel is lifted onto a flat panel transportation truck in a foundation pit; a lifting device is used for inserting the upper channel steel supporting legs of a horizontal precastwall panel into lower channel steel supporting legs which are pre-embedded into a lamination surface of a layered cast-in-place external wall panel in a staggered manner; and the upper and lower channel steel supporting legs are connected by using pin shafts. The precast wall panel is vertically rotated to a stand state by adopting jacking of a hydraulic oil cylinder or lifting of a winch pulley unit; and the upper and lower channel steel supporting legs are fixedly welded in a lap joint manner by means of electric welding. By adopting the assembly type unilateral precast laminated wall panelof an underground subway station and the vertical-rotation installation method disclosed by the invention, quick assembly in construction site can be realized.

Description

technical field [0001] The invention relates to a single-side prefabricated wall panel and a vertical rotation installation method of an assembled underground station, belonging to the technical field of an assembled underground station project in construction engineering. Background technique [0002] In the construction of urban subway and rail transit underground stations, the main structural form is mainly cast-in-place reinforced concrete beam-slab structure. In urban areas rich in groundwater and soft soil, two-storey underground stations are mainly constructed. Affected by the multi-layer internal support of the foundation pit support structure, the cast-in-place reinforced concrete beams and slabs are constructed layer by layer, and thick wall panels and floor slabs are bound on the construction site in the foundation pit. And longitudinal frame beam and column reinforcement, the workload of supporting formwork is heavy, the working conditions of workers are poor, an...

Claims

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Application Information

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IPC IPC(8): E02D29/045E02D17/02E02D17/04
CPCE02D29/04E02D17/02E02D17/04
Inventor 郭正兴冯帅克徐政潘清刘毅朱张峰管东芝
Owner 无锡地铁集团有限公司
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