E3S Web Conf.
Volume 92, 20197th International Symposium on Deformation Characteristics of Geomaterials (IS-Glasgow 2019)
|Number of page(s)||6|
|Section||Treated Geomaterials: Chemical, Microbial, Electrokinetic|
|Published online||25 June 2019|
Effect of curing conditions on long term mechanical property of improved surplus soils
Public Works Research Institute, Geology and Geotechnical Engineering Research Group, 1-6 Minamihara, Tsukuba, Ibaraki, Japan
2 Institute of Industrial Science, the University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, Japan
* Corresponding author: email@example.com
In this study, the effect of environmental exposure conditions on the long term mechanical property of surplus soils improved by lime and cement was investigated by conducting unconfined compression tests on the specimens cured under different conditions. As the result of the experiments after about 1 year (336 days) from specimen preparation, the unconfined compressive strengths of the soaked specimens were found to be the smallest, while those of the sealed specimens were the largest. Effect of soaking on the strengths appeared obviously in the cement treated soil, while the effect decreased when the duration of initial sealed curing increased. It was inferred that these differences in the strengths were caused by the changes in physical properties such as degree of saturation, and chemical properties due possibly to the leaching of hydration products during soaked curing.
© The Authors, published by EDP Sciences, 2019
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