DEVICE underground structures for the construction of buildings dense urban areas

摘要

Usage: for construction of underground structures in densely built-up area in terms of urban metropolis.; The inventive apparatus for the construction of underground structures dense urban buildings involves excavation fence disposed between the foundation of an existing building and the guard pit geotechnical barrier as a series of injectors 50-70 mm, vertically installed to supply pressurized working solution into the ground to restore the initial stress -deformed soil conditions in the area of ​​the existing building. Additionally, between the foundation of an existing building and geotechnical barrier installed sheet pile wall. Sheet pile wall is formed from vertically installed length not less than the pit depth of metal pipes, or bored piles with a diameter of 200-400 mm with a pitch diameter equal to 1.5-2.0 pipe or the pile, or I-profile elements with a pitch equal heights 1.5-2 I-beam. The device improves design reliability and ensures the safety of the construction works and operation building. 1z.p.f.; 2-yl.