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Construction method for station side wall by covered top-down excavation method

A construction method and reverse method technology, applied in artificial islands, water conservancy projects, infrastructure engineering, etc., can solve the problems of low material utilization rate, poor apparent quality, and long time-consuming, so as to achieve high material utilization rate and waste man-hours less, better apparent quality

Active Publication Date: 2013-11-06
CHINA RAILWAY NO 2 ENG GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a construction method for the side wall of the station by the cover-and-excavation method, which can solve the problem of long working hours, low material utilization, poor apparent quality, and serious leakage of water in the traditional construction of the side wall of the station. question

Method used

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Embodiment Construction

[0024] A construction method for a side wall of a station by a cover-and-excavation method, comprising the following steps:

[0025] The first step is to use at least 2 mobile formwork trolleys according to the height of the side walls of the station, and Wisa panels that can be reversed for at least 80 times on both sides, and all of them need to pass the force check calculation to meet the construction requirements;

[0026] The second step is to install the trolley in place

[0027] (1) Trolley assembly

[0028] In order to facilitate transportation and assembly, the trolley is assembled with 2.44m as the trolley unit group, and the assembly is directly mounted by the structural roof hook and manual hoist. Each group of trolleys is equipped with a 2440x3800mm standard formwork, two truss structures and corresponding high-level formwork, and the truss and formwork are connected by bolts. After the installation of the unit trolley group is completed, the unit trolley group ...

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Abstract

The invention discloses a construction method for a station side wall by a covered top-down excavation method, comprising the following steps of: using at least two movable type formworking jumbos and a Wisa panel of which two sides can be used for at least 80 times in an inverted way according to the height of the station side wall, and meeting the construction requirement by load-carrying checking computations; installing the formworking jumbos in site: assembling the formworking jumbos, walking the formworking jumbos, and adjusting the formworking jumbos in site; and casting a wall body, etc. The construction method has the beneficial effects of being simple in technology, high in operability, less in working hour consumption, high in material use ratio, good in apparent quality, and obvious in waterproofness; and the problem of the conventional technology for constructing the station side wall such as long working hour consumption, low material use ratio, bad apparent quality, more serious water leakage phenomenon, and the like can be solved.

Description

technical field [0001] The invention relates to a construction method for a side wall of a station by a cover-dig upside-down method, and belongs to the technical field of side wall construction of an underground structure by cover-dig upside down. Background technique [0002] Cover-and-excavation method for station side wall construction is a construction method for cover-excavation and underground structure side walls. Shaped bamboo plywood and wooden formwork are mostly used. The construction method of the bracket. The invention has the advantages of easy acquisition of materials, simple process and the like. However, there are disadvantages such as long working hours, low material utilization rate, poor apparent quality, and serious water leakage during use. Finding a construction method to overcome the shortcomings of the conventional station side wall construction method is a technical problem in the construction of the side wall of the underground structure with co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D29/05E02D15/02
Inventor 陈强卿三惠段绍和唐剑袁兴东简东明苗宇滔
Owner CHINA RAILWAY NO 2 ENG GRP CO LTD
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