Soil classification and determination of over-consolidation from CPTU test in deep excavation

Józsa, Vendel (2013) Soil classification and determination of over-consolidation from CPTU test in deep excavation. Pollack Periodica, 8 (1). pp. 53-63. ISSN 1788-1994

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Abstract

Cone penetration tests are particularly useful to determine several soil parameters and identify the class of the soil. Generally, information on the current soil properties are given from laboratory and in-situ tests, but the stress history, state of consolidation and the lateral stress parameter at rest can also be important.There are several methods to determine the over-consolidation ratio using cone resistance, sleeve friction and pore pressure from cone penetration test. The methods are applicable to several special soils (intact clays and clean quartz soils), but none can handle all types of soils. The results produced by these the methods are very different, so it is important to analyze them.

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