Small Strain Shear Modulus of Sands Grouted with Zeolite-cement Suspension

Document Type : Research Article


1 Department of civil engineering, Imam Khomeini International University, Qazvin, Iran

2 Civil Engineering Department, Imam Khomeini International University

3 Department of Chemistry, Imam Khomeini International University, Qazvin, Iran


Cement production is one of the most important sources of CO2 emission in the world and an energetically demanding process. Therefore, the replacement of a part of it with cheaper and environmentally friendly materials such as zeolite is of great importance. In the present study, a series of bender element tests on loose sandy soils grouted with zeolite and cement was conducted to investigate the effects of cementation on the small strain shear modulus (G0 ) of them. The results showed that the G0 of grouted samples increased with an increase in zeolite content (Z) up to 30% (Z30). After that, a further increase in the amount of zeolite results in a decrease in the G0 . Also, in all Z and W/CM, the G0 decreased with increase in the sand grain size. The G0 corresponding to Z30 for D11 sand (the smallest particles) samples grouted with suspension having W/CM of 3, 5 and 7 is, respectively, 21.7, 16.7 and 12.5 times that of pore (unstabilized) sand. The minimum G0 is observed in samples grouted with Z90 and W/CM of 7, which is 2.16, 1.2 and 1.19 times the G0 of corresponding pore sands for D11, D1 and D2 sands, respectively


Main Subjects

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