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specialty journal of geographical and environmental science
Volume 1, 2017, Issue 1
A study of important indices in increasing bearing capacity of troubled soil in order to implement hydraulic structures using cement
Amir Abbas Kaman Bedast, Rozbeh Aghamajidi
Pages: 23-33


Today, with increasing need for soil as the main material used in water projects and water transfer channels and lack of quality and geotechnical characteristics required in all soils, soil improvement using materials and additives has been paid attention. Soil elasticity modulus indicates the amount of the strain of soil against a certain amount of stress. The greater, the value of this parameter is, the lesser, the deformation of soil against the stress will be. The present study aimed to study the impact of cement and changes in relative compaction on the modulus of elasticity and compressive strength of troubled clay soils. In this research, uniaxial test was performed on the specimens of %100 clay soil and %90 clay soil+%10 cement at optimum moisture levels and at densities of %85, %95 and %100. The results show that the modulus of elasticity increased 420 times with adding cement and with the increase in cement curing time and duration, elasticity modulus increases several times. The higher, the relative compaction of specimen is, the greater, the intensity of this increase is. Also, the cement increases compressive strength up to 20 times more than normal mode.

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specialty journal of geographical and environmental science
Issue 4, Volume 3, 2019