期刊
SOIL MECHANICS AND FOUNDATION ENGINEERING
卷 54, 期 5, 页码 356-361出版社
SPRINGER
DOI: 10.1007/s11204-017-9481-1
关键词
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资金
- Scientific and Technological Research Council of Turkey [TUBITAK 110M667]
Biopolymers, which are microbially induced polymers, can be used as an alternative material to improve engineering performance of soils. In this paper, a laboratory study of 0.075-1.0 mm size sand and biopolymer (i.e., xanthan gum) mixtures with various mix ratios (0%, 0.5%, 1.0%, and 1.5%) was performed. The materials, specimen preparation, and test methods are described, as are the results of a suite of permeability, odometer, unconfined compressive, and triaxial shear tests. The results suggests that specimen formation in the way used here could reduce permeability and increase compressibility, strength, and deformation characteristics in terms of stiffness.
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