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Tunnel-before-station open-cut station construction method

A station and open-cut technology, applied to tunnels, artificial islands, tunnel linings, etc., to achieve the effects of small construction safety risks, increased quantity, and reduced number of hoisting

Active Publication Date: 2019-11-08
中铁一局集团厦门建设工程有限公司 +1
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  • Abstract
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  • Application Information

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Problems solved by technology

[0003] The main technical problem to be solved by the present invention is to provide a station construction method of the open-cut method of tunnel first and then the station, so as to solve the problem that the section can be penetrated first, and then the station can be constructed

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Embodiment Construction

[0048] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0049] refer to figure 1 , a kind of station construction method of cut-and-cover method of station after tunnel first, comprises the following steps:

[0050] 1.1 Tunnel first and then station shield machine excavation;

[0051] 1) Excavation requirements for passing shield machines:

[0052] When tunneling in the station, the shield machine tunnels strictly according to the designed route. If it encounters a hard and unknown object, it stops tunneling immediately, finds out the reason, and takes corresponding measures before continuing tunneling. Strengthen the monitoring in the segment hole during the pile foundation construction after the shield machine passes the station, and timely give an early warning when the data exceeds the limit, and find out the situation.

[0053] 2) Determination of the segment position at the portal before pa...

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Abstract

The invention provides a tunnel-before-station open-cut station construction method. A shield tunneling machine carries out tunneling in advance to pass through the station range, and the problems that a station is influenced by land requisition and demolishing and does not have construction conditions, and starting and receiving conditions cannot be provided for the shield tunneling machine are solved; and the aim that the sections can be cut through firstly, and then the station is constructed is achieved.

Description

technical field [0001] The invention relates to a construction method of a subway station. Background technique [0002] In the construction of urban subway projects, due to the large-scale demolition and relocation of shantytowns in urban villages involving the conversion of collective land to agricultural use, the comparison and selection of resettlement housing schemes, rush construction, and illegal construction, the demolition workload is heavy, the demolition is difficult, and cannot be done on time. Demolition, relocation and transfer of land, as a result, the construction of stations and sections cannot be started as planned, or even seriously lagged behind, affecting the goal of connecting nodes across the line. Contents of the invention [0003] The main technical problem to be solved by the present invention is to provide a station construction method of tunnel first and then station open and cut method, so as to solve the problem that the section can be penetra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D9/00E21D9/06E21D11/10E21D11/38E02D29/045
CPCE02D29/04E21D9/00E21D9/0607E21D11/105E21D11/38
Inventor 赵朋刘旭东刘秀国靳增谭学敏汪晓平荆志强周逸坤
Owner 中铁一局集团厦门建设工程有限公司
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