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Improvement of Unconfined Compressive Strength of Soft Clay by Grouting Gel and Silica Fume
Abstract The effects of cementation gel among particles of soil by permeating grouting on the unconfined compressive strength of soft clay soil have been studied in this work. The soil sample obtained from Al-Jadriah district in Baghdad city which can be classified as soft clayey soil of low plasticity (CL). The soil samples were improved by grouting gel of cement/water with three weight percentages. The percentages of grouting gel are measured in terms of cement to water as; 0.1 C:0.9 W, 0.2 C:0.8 W and 0.3 C:0.7 W. In addition to the grouting get, the soil samples improved with silica fume, where silica fume added in two percentages of 2 and 4%. The improved soil samples were dehydrated after grouting for three periods of time 1, 3, and 7 days. The results of tests indicated increasing the unconfined compression strength and decreasing the axial strain with increasing the percentage of grouting gel. The addition of silica fume to the soft clayey soil improved by cementing agent resulted in significant increase in the unconfined compression strength and significant decrease in axial strain.
Improvement of Unconfined Compressive Strength of Soft Clay by Grouting Gel and Silica Fume
Abstract The effects of cementation gel among particles of soil by permeating grouting on the unconfined compressive strength of soft clay soil have been studied in this work. The soil sample obtained from Al-Jadriah district in Baghdad city which can be classified as soft clayey soil of low plasticity (CL). The soil samples were improved by grouting gel of cement/water with three weight percentages. The percentages of grouting gel are measured in terms of cement to water as; 0.1 C:0.9 W, 0.2 C:0.8 W and 0.3 C:0.7 W. In addition to the grouting get, the soil samples improved with silica fume, where silica fume added in two percentages of 2 and 4%. The improved soil samples were dehydrated after grouting for three periods of time 1, 3, and 7 days. The results of tests indicated increasing the unconfined compression strength and decreasing the axial strain with increasing the percentage of grouting gel. The addition of silica fume to the soft clayey soil improved by cementing agent resulted in significant increase in the unconfined compression strength and significant decrease in axial strain.
Improvement of Unconfined Compressive Strength of Soft Clay by Grouting Gel and Silica Fume
Karkush, Mahdi O. (author) / Ali, Haifa A. (author) / Ahmed, Balqees A. (author)
2018-01-01
5 pages
Article/Chapter (Book)
Electronic Resource
English
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