期刊
BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT
卷 67, 期 3, 页码 353-366出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s10064-008-0146-1
关键词
hardpan; caliche; geomechanical properties; index properties; Adana
The aim of this study was to develop and evaluate statistical models for predicting the uniaxial compressive strength (UCS) and average Young's modulus (E-av) for caliches, using some index and physical properties. The caliche samples, from Adana, southern Turkey, were of low strength and difficult to sample. X-ray diffraction and microscopy were undertaken and the following physical parameters established: unit weight, apparent porosity, Schmidt rebound number, Shore hardness, P-wave velocity, slake durability, point load, uniaxial compressive strength and average Young's modulus. Simple and linear regression variable selection analyses were performed. The best relationships were obtained for UCS with P-wave velocity and unit weight and for average Young's modulus with P-wave velocity, porosity and slake durability. Empirical equations are proposed, although it is emphasised that these may only be applicable for caliche of a similar geological character.
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