Super early receiving supporting structure of shield machine and super early receiving method

A support structure and shield machine technology, which is applied in the direction of earth drilling, mining equipment, tunnels, etc., can solve the problems of low efficiency of shield machine use, long construction period, and the inability of shield machine to receive in advance, so as to avoid the unexpected The effects of leaving hoisting openings, scientific construction procedures, and convenient construction organization

Active Publication Date: 2012-01-18
北京城乡建设集团有限责任公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a shield machine super early receiving support structure and super early receiving method, to solve the problem that the shield machine arrives at the station in advance and cannot be received in advance, and the existing receiving method has a long construction period, which leads to the use of the shield machine inefficient technical issues

Method used

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  • Super early receiving supporting structure of shield machine and super early receiving method
  • Super early receiving supporting structure of shield machine and super early receiving method
  • Super early receiving supporting structure of shield machine and super early receiving method

Examples

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Embodiment Construction

[0041] Examples see Figure 1 ~ Figure 3 As shown, an ultra-early receiving support structure for a shield machine is characterized in that it includes receiving pit foundation pit wall support, floor support and exit support.

[0042] The foundation pit wall support of the receiving well includes foundation pit surrounding protection piles 7 arranged around the inner wall of the foundation pit, at least two anchor cables and steel pipe angle supports 10 arranged at the angle between adjacent surfaces of the foundation pit wall, and the anchor cables Extending obliquely into the soil 17 around the foundation pit, the top surface of the foundation pit surrounding protection pile 7 is provided with a ring of crown beams 13, the first anchor cable is anchored to the crown beam, and the foundation pit surrounding protection piles 7 are spaced apart. A waist beam is provided, and the two ends of the steel pipe angle support 10 are connected to the last waist beam 16, and the remain...

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Abstract

The invention relates to a super early receiving supporting structure of a shield machine and a super early receiving method. The super early receiving supporting structure is characterized by comprising a receiving well foundation pit wall support, a bottom plate support and an outlet hole support, wherein the receiving well foundation pit wall support comprises a foundation pit envelope pile, at least two anchor cables and a steel pipe corner support; the outlet hole support is a temporary horizontal support; and the bottom plate support comprises an anti-pulling pile and a concrete bottom plate paved on a foundation pit bottom soil mass. By the super early receiving supporting structure and the super early receiving method, the construction problem that the shield machine cannot be received in advance when the shield machine arrives at a station in advance is successfully solved, the service life of the shield machine is prolonged, the construction cost of a shield interval is saved, and the construction period is shortened. The structure and the method can be applied to the advanced receiving of the shield machine when a receiving well structure is not completely constructed or finished.

Description

technical field [0001] The invention relates to a terminal receiving support structure and a receiving method of a shield machine. Background technique [0002] Shield receiving is the last key construction stage when shield tunneling is carried out. It is mainly a process of arranging receiving shafts (or foundation pits) at the end of shield tunnels for dismantling and hoisting out of tunnels. As a shield receiving well, the general slope is supported by a pile row wall (or continuous wall) + a support system of the external wall of the structure to ensure the safety of the shield machine hoisting operation. The commonly used shield receiving method is to vertically reinforce the soil at the exit of the shield tunnel after the construction of the shield receiving well support system and the main structure is completed, and at the same time pre-embed the shield receiving steel at the position of the shield tunnel exit on the outer wall of the main structure. After the shi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D9/06
Inventor 谢校亭李峰刘刚魏秀洁孟海港
Owner 北京城乡建设集团有限责任公司
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