SEDL / STP / STP1089-EB / STP25052S

Specifications for Constructing and Load Testing Stone Columns in Clays

Stark, TD
Asst. Professor, San Diego State University, San Diego, CA

Yacyshyn, BM
Senior Engineer, Kleinfelder, Inc., Irvine, CA

Pages: 12    Published: Jan 1991

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Abstract

The purpose of this paper is to provide guidelines for writing a performance specification for the construction and load testing of stone columns in cohesive soils. Specifications from five different sources, three specialty contractors and two agencies, were studied to develop the guidelines described herein. The two primary components of a performance specification are the performance criteria for the stone column foundation and the load testing procedures used to verify that the desired ground improvement has been achieved.