Shield tunnel-entering construction method at stratum rich in water powder and soil powder sand
A construction method and shield tunneling technology, applied in earthwork drilling, infrastructure engineering, underground chambers, etc., can solve problems such as safety accidents, water gushing and sand gushing, unsuitable for water-rich silty soil and silt sand formations, and meet environmental requirements. , the site is small, and the effect of avoiding the risk of water and sand gushing
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[0044] The above content of the invention of the present invention will be further described in detail below in conjunction with specific embodiments.
[0045] However, it should not be construed that the scope of the above-mentioned subject matter of the present invention is limited to the following examples. Without departing from the above-mentioned technical idea of the present invention, various replacements and changes made according to common technical knowledge and customary means in this field shall be included in the scope of the present invention.
[0046] Embodiment This embodiment is an embodiment of the construction method of shield tunneling in Fuchun Station of the subway
[0047] 1. Construction environment:
[0048] The survey range of buildings along the section is within 2.5 times the buried depth of the top of the tunnel. After investigation, the main conditions of the houses within 50m of the axial direction of the shield tunnel end are shown in Table ...
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