Bearing Capacity Characteristics of Lacustrine Soft Clay Hard Shell Layer Foundation

Abstract:

In order to provide a theoretical basis for the use of lacustrine soft clay hard shell layer, the first thing to do is understanding its bearing capacity characteristics. Based on the project of Nan-Mao section in Hunan provincial highway S204, combining with bearing capacity test, the bearing capacity characteristics and failure mode of hard shell foundation was comprehensively analyzed. From the field bearing capacity test, it is found that the PS curve of hard shell layer has obvious changes from elastic to plastic, while the PS curve of soft soil layer under hard shell layer just has elastoplastic stage from the beginning, and the failure mode of foundation mainly are punching failure and general shear failure. So for the quality control of lacustrine hard shell soft foundation mainly includes two aspects: the deformation and overall stability.

• Periodical: Applied Mechanics and Materials (Volumes 347-350)
• Pages: 1203-1206
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.347-350.1203
• Online since: August 2013
• Authors: Jia Jia Zheng, Li Jian Wu, Run Hua Guo
• Keywords: Bearing Capacity Characteristics, Failure Mode, Field Test, Lacustrine Soft Clay Hard Shell Layer, Road Engineering

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