INTERACTION OF SPATIAL THIN-WALLED STRUCTURES WITH FLUID-SATURATED SOIL

Boyko, Igor P.; Köppler, H.; Kirichuk, A.

Thin-walled spatial structures are broadly used in the modern technician and building. In fuel industry for long-term keeping of oil and gas are used reservoirs of various capacity, which on technological reasons can be shipped under the soil. Shells of reservoirs combine in itself high toughness and low specific consumption of materials. At the same time, being under the soil, they feel steady-state and dynamic loads from ambiance, which particularly in the event, when reservoir is empty, can bring about the loss of stability of its form. On the other hand contact interactions of shell and soil greatly depend on features of ambiance and its saturating of liquid. For building generalized porous springy ambiance models, saturated by the liquid, it is possible to use Bio equations of motion for displacement of hard and fluid phases. Elaboration of mathematical specified interaction models and theirs realization by means of modern computing software allows to study behaviour of spatial thin-walled designs on base of geometric nonlinear theory of shells

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Boyko, Igor P. / Köppler, H. / Kirichuk, A.: INTERACTION OF SPATIAL THIN-WALLED STRUCTURES WITH FLUID-SATURATED SOIL. 2005.

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