Risk ranking control method of shield penetrating through buildings at soft soil stratum

A control method and risk classification technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problems of few researches on the risk of shield tunneling through building groups, and the late start of safety risk identification research, etc., to achieve Effect of reducing risk and protecting safety

Inactive Publication Date: 2014-01-22
BEIJING JIAOTONG UNIV
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Problems solved by technology

[0003] The research on safety risk identification of urban subway projects in my country started

Method used

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  • Risk ranking control method of shield penetrating through buildings at soft soil stratum
  • Risk ranking control method of shield penetrating through buildings at soft soil stratum
  • Risk ranking control method of shield penetrating through buildings at soft soil stratum

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Embodiment Construction

[0052] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0053] figure 1 Flowchart of the risk-graded control method for shield tunneling through buildings in soft soil formations.

[0054] An ancient building is passed under a certain project section, and the main influencing factors of the shield passing through the ancient building are collected and analyzed. The distance from the building to the tunnel axis is 4.4m, and the buried depth of the tunnel is 12m. The ancient building is a two-story wooden building. Passing through the soft ground, the tunnel axis is perpendicular to the building.

[0055] Since the ancient building is a protected building, the risk level of the shield tunneling through the building is Class I, and the enclosure piles are used for reinforcement to prevent the deformation of the soil caused by the tunneling of the shield machine, so as to reduce the impact on the build...

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Abstract

The invention discloses a risk ranking control method of shield penetrating through buildings at the soft soil stratum, and belongs to the technical field of shield engineering risk identification. The risk ranking control method comprises the steps that factors affecting building safety are analyzed through data collection, main influence factors of shield penetrating through the buildings are subjected to risk classification study, risks of shield penetrating through the buildings are primarily classified, correction influence factors of shield penetrating through the buildings are subjected to the risk classification study, the risk primary classification of shield penetrating through the buildings is corrected, and corresponding control measures are carried out on different risk ranks. According to the method, risk factors influencing shield penetrating through the buildings are effectively and reasonably analyzed and identified, a risk ranking method is set up, and corresponding risk control methods are provided according to the risk ranking method.

Description

technical field [0001] The invention belongs to the field of shield tunneling engineering risk identification, and in particular relates to a risk classification control method for a shield tunneling through a building in soft ground. Background technique [0002] With the development of urban construction in our country, more and more cities are building subways, and subway lines generally pass through prosperous sections with dense buildings. These areas generally can only be constructed by shield tunneling, and shield tunneling construction is harmful to adjacent buildings. The extent of the impact has been a matter of pressing research. In order to better control the risk, it is urgent to identify the risk of the adjacent buildings before the construction of the shield. [0003] The research on safety risk identification of urban subway projects in my country started late, and there are few studies on the risk of shield tunneling through building groups. In the usual r...

Claims

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Application Information

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IPC IPC(8): G06F19/00
Inventor 袁大军董朝文蔡荣朱宁
Owner BEIJING JIAOTONG UNIV
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