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ANALYSIS OF SUBMERGED PILES AND A LAYERED SUBSOIL

Lenka Uhlířová

Abstract

Submerged piles are often used as anchoring system in foundation of structures. They help to transfer the ground pressure acting on sheeting to the subsoil. They are mostly used in anchoring of the sheet piles, pile and underground walls into the surrounding soil massif. Other options of use are support walls and bank walls, under-washing protective walls, bank fortifications, swelling-up equipment in ship berths, etc. Anchoring system consists of drawing rod, fixed with its one ending to sheeting and with the other one to anchoring pile. Anchoring pile when submerged in the subsoil is in each its point loaded with concentrated force. Our task is to find the extent and method of distribution of stresses generated at the pile and subsoil contact point in the way that enables to efficiently control the additional strain and internal forces in the pile. Submerged pile`s head is usually free while its base can be free, hinge-supported or fixed, depending on the setting method. A subsoil below the foundation structure is usually non-homogenous i.e., it consists of two or more layers. Taking this layering into consideration in modeling allows to create a model that better describes the real structure and subsequently to obtain more precise results for displacements and stresses.

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DOI resolver: doi.org/10.5593/sgem2019/1.2/s02.007

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