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A fundamental study on the mechanics of stabilized clay for improving the ground conditions

A fundamental study on the mechanics of stabilized clay for improving the ground conditions

Date10th Jan 2024

Time11:00 AM

Venue Conference Room (BSB 104)

PAST EVENT

Details

The soft clay deposits generally lack shear strength, and exhibit high compressibility, making it unsuitable for construction. Cement stabilization of soft soil deposits existing at high water content is a widely adopted ground improvement technique. The stabilization of soft clay deposits with cement enhances the properties of the soil by increasing the shear strength and decreasing the compressibility. The increase in strength upon the addition of cement can be characterized into three zones of improvement: inactive zone, active zone, and inert zone. Stabilization of dredged clay is usually performed in inactive and active zone, whereas deep cement mix soil columns are stabilized in active zone. There exists a transition zone which demarcates the inactive and active zone. Existing studies did not delve deeper into the characteristics of this transition zone. The current study focuses on understanding the macro and micro behaviour of stabilized clay in a transition zone by carrying out a suite of controlled laboratory experiments and developing a model for predicting the behavioural response accurately. In addition to studying the behaviour with respect to cement dosage and curing period, the study also focuses on understanding the behaviour of stabilized clays with different binders at different remoulding water contents.

Speakers

Mr. Balaji Sai Kumar Bandaru, Roll No: CE21D009

Department of Civil Engineering