FIELD: formation of barriers while building repair foundation pits on underground oil pipe-lines laid in marshy land. SUBSTANCE: process of formation of sheet piling consists in hoisting of assembled sheet piling after tongue-and-groove connection on ground, in submersion and simultaneous removal of several piles. Unremoved piles are used in this case in the capacity of support. Gear for implementation of sheet piling of foundation pit has mechanism for submersion and removal of piles, mechanism for lifting and lowering of wall, guiding columns and jig. Mechanism for submersion and removal of piles is manufactured in the form of several hydraulic cylinders. Bodies of cylinders are fitted with common frame installed in guiding columns for movement in them. Length of frame equals length of sheet piling. EFFECT: improved quality of sheet piling, increased productivity, decreased mass of weight and facilitated removal of piles. 1 cl, 11 dwg
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Authors
Dates
1998-11-20—Published
1996-02-22—Filed