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PC The Construction Method of Non-excavation tunnel what Steel pipe position can be substitute with PC-upper-slab by Extruding
PC The Construction Method of Non-excavation tunnel what Steel pipe position can be substitute with PC-upper-slab by Extruding
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机译:PC非开挖隧道的施工方法挤压钢管可以用PC上平板代替钢管位置
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摘要
The present invention relates to a non-excavation tunnel construction method for extruding a steel pipe position to PC upper slab to be replaced; reducing a construction time and construction costs.
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