Experimental Study for Soil Modification Cement Grouting
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University of Mazandaran, Babolsar, Iran
Publication date: 2019-06-01
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Majid Ahmadpour   

University of Mazandaran, Babolsar, Iran
Adv. Sci. Technol. Res. J. 2019; 13(2):141-149
Soil modification with Portland cement is the most common practice in geotechnical engineering. The application of micro fine cement causes proper intrusion of the provided slurry into the soil voids and consequently decreases the porosity to a greater quantity. To determine the utility and behavior of cements with different blains, non-destructive and destructive tests such as grain-size distribution of cements by laser-ray, sedimentation, permeability and compressive strength were employed. The results of experimental studies and observations demonstrated a suitable mix-design for upper and lower parts of the cement-grading curve that are of prime importance for grouting and stabilization. Meanwhile, by increasing the fineness of the cement, the permeability decreases to a considerable extent and the compressive strength increases. Moreover, the blain content close to 5000 cm2/gr application led to the optimization of the effect of void reduction in a grouted soil mass compared to the fewer and higher amount of blain content. The results of various tests indicate that an optimum blain can be used to achieve the designed geotechnical criteria.
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