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Space enclosing structure convenient for opening door opening, construction method and use method thereof

A technology of enclosure structure and construction method, which is applied in the direction of earth drilling, mining equipment, tunnels, etc., can solve the problems of high technical requirements and high cost in manufacturing and hoisting, and achieve high strength, low cost and cost reduction.

Active Publication Date: 2009-11-11
SHANGHAI CONSTRUCTION GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] When using the NOMST construction method, because the enclosure can meet the bending resistance requirements during excavation of the foundation pit, and at the same time allow the excavation machine to cut directly, it can avoid some disadvantages when opening the door manually, but its disadvantages are as follows: special carbon fiber materials are used, High cost; steel cages made of carbon fibers require high technical requirements for fabrication and hoisting

Method used

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  • Space enclosing structure convenient for opening door opening, construction method and use method thereof
  • Space enclosing structure convenient for opening door opening, construction method and use method thereof
  • Space enclosing structure convenient for opening door opening, construction method and use method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0073] See Figure 1a , Figure 1b with Figure 1c This kind of enclosure structure 1 that facilitates opening of the doorway is composed of a doorway part 11 and a peripheral part 12 located around the doorway part 11. The enclosure structure 1 is an enclosure structure involving a doorway portion 11 in a working well enclosed by a four-sided enclosure structure. The peripheral part 12 refers to the other part of the enclosure 1 except for the doorway 11 of the side of the working well involved in the doorway part (that is, for the entry and exit of the boring machine 9 ). The working well is an originating well or a receiving well. The door portion 11 is a trough section 11 with a size corresponding to the diameter required for the entry and exit of the tunneling machine 9. The trough section 11 is filled with cement soil 5, and a number of H-shaped steels 4 are arranged vertically and staggered in sequence in the trough section 11 , Please refer to the specific setting method o...

Embodiment 2

[0094] See Figure 10a , Figure 10b with Figure 10c The difference between this embodiment and Embodiment 1 is that the arrangement of the H-shaped steel is different. The H-shaped steel in this embodiment is vertically and closely inserted into the groove section 11 in turn. The H-shaped steel 4 and cement-soil 5, which are closely connected in turn, form a steel retaining wall that can stop water and meet the rigidity required for foundation pit excavation.

[0095] The invention has the following beneficial effects because it can realize the direct cutting of the tunneling machine to replace the manual chiseling of the door hole: 1. The labor required for manually opening the door hole can be avoided. Second, it can save the construction period, without the inefficient manual excavation of the door opening time, and also save the soil improvement time required for manual excavation. 3. Reduce the risk and avoid the risk caused by manual cutting out of the vertical concrete str...

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Abstract

The invention discloses a space enclosing structure convenient for opening a door opening, which consists of a door opening portion and a periphery portion around the door opening portion. The door opening portion is a slotted section corresponding to a proper caliber size for the access of a tunneling machine; and the slotted section is filled with soil cement and vertically inserted with a plurality of H-shaped steels in sequence so as to form a profiled bar retaining wall that can block water and satisfy the rigidness required for digging a foundation ditch. The invention also discloses a construction method of the space enclosing structure convenient for opening the door opening, an out-start well method and an in-reception well method using the space enclosing structure convenient for opening the door opening. The invention can avoid the labour capacity required for manually opening the door opening, can save the working period and effectively reduce the construction risk. As additional large-scale devices are unnecessary to be installed and the H-shaped steel can be recycled, the invention also has the advantages of simple construction and low construction cost.

Description

Technical field [0001] The invention relates to the field of building construction, in particular to an enclosure structure that is convenient to open a door and a construction method and a use method thereof. Background technique [0002] The existing pipe jacking and tunnel construction have two key processes: exiting the launch well and entering the receiving well. In these two key processes, the sub-process of "opening the door" is involved. "Door opening" is to remove the enclosure structure that needs to be traversed when the tunneling machine passes, or to directly design the enclosure structure into a structure with higher bending strength but lower shear strength, such as NOMST (Novel Material Shield) -cuttable Tunnel-wallSystem, the method of shield directly cutting new material wall) adopts carbon fiber reinforced floor wall, so that the tunneling machine such as shield machine or pipe jacking machine can directly cut the enclosure structure. [0003] When the envelope...

Claims

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Application Information

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IPC IPC(8): E21D9/00E21D9/04
Inventor 杨子松
Owner SHANGHAI CONSTRUCTION GROUP
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