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Rectangular working well with preset pipe jacking hole and sliding back wall in water-rich stratum and construction method thereof
Rectangular working well with preset pipe jacking hole and sliding back wall in water-rich stratum and construction method thereof
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机译：富水地层中带有预设顶管孔和后壁滑动式矩形工作井及其施工方法
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摘要
A construction method of a rectangular working well includes steps of: (I) designing functional requirements for the rectangular working well; (II) constructing a caisson of an enclosing structure of the rectangular working well; (III) constructing an edge protector; (IV) excavating earthwork of the rectangular working well; (V) forming a back cover for the rectangular working well, and pre-embedding a sliding track, a pull ring and a back wall anchor; (VI) installing a ladder for entering the rectangular working well; (VII) preventing joint leakage; (VIII) installing a water-proof pressure plate at an entrance of the preset pipe jacking hole; (IX) constructing the sliding back wall; (X) lifting the sandwich concrete slab wall at a top of the preset pipe jacking hole; and (XI) performing pipe jacking. The structure system constructed by the present invention has many advantages such as clear function, safety, quickness, and flexible design.
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