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- BASES AND FOUNDATIONS, UNDERGROUND STRUCTURES
- Numerical Studies of Steel Pipe Sheet Pile
- UDC 624.014:624.137.4:624.152.633
Alexandre À. BEZUGLOV, e-mail: bezuglov.samgtu@gmail.com
Vadim Yu. ALPATOV, e-mail: avu75@mail.ru
Samara State Technical University, Institute of Architecture and Civil Engineering, Molodogvardeyskaya ul., 194, Samara 443001, Russian Federation
Abstract. The sheet pile walls (SPW) are made of pipes of a big diameter which are plunged into soil very deeply. Expenditures for arranging the sheet pile wall are significant, as a result of increased metal consumption including. Dense driving of sheet piles is determined due to the "welded pipe pile" technology. A depth of driving is a calculated value which depends on a set of parameters, along with characteristics of sheet piles it provides rigidity and reliability of a construction. Authors of the present article propose to reduce the material consumption of sheet piles due to reducing the total reduced depth of sheet piles driving. At that, the depth of driving is reduced only for a part of sheet piles when preserving the maximum depth of driving of the remaining sheet piles. This alternation of long and short sheet piles makes it possible to reduce the total reduced depth of driving, material consumption and the cost of the construction as a whole. The aim of this study is to find a possible, without the loss of reliability, construction, to reduce the length of the part of sheet piles. The following ways of the set problem solution are adopted: a numerical experiment in iterative statement with the use of modern software as well as formulation and solution of the parametric optimization task. The results of numerical studies of the comb steel pipe sheet pipes make it possible to draw a conclusion about efficiency of the solution proposed. But the execution of iteration calculations using the specialized software complexes has a series of shortcomings: large labor consumption and large time expenditures. At that, the solution could be found for a specific case only with a certain set of initial parameters and a mixed result. For obtain the undoubtedly best design of the sheet pile, the authors consider it necessary to solve the problem of parametric optimization.
Key words: steel pipe sheet pile, numerical research, computer model, iterative calculation, length of sheet pile, rarefied sheet pile. - REFERENCES
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