The soil profile at a site consists of 10 m of gravelly sand underlain by a soft
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The soil profile at a site consists of 10 m of gravelly sand underlain by a soft clay layer. The water table lies 1 m below the ground level. The moist and saturated unit weights of the gravelly sand are 17.0 kN/m3 and 20.0 kN/m3, respectively. Due to some ongoing construction work, it is proposed to lower the water table to 3 m below the ground level. What will be the change in the effective stress on top of the soft clay layer?
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Given Data The depth of the gravelly sand layer is 10m sand 17 kNm 3 sat sand 20 kNm 3 w 981 kNm 3 ...View the full answer
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Mahmoud Ahmed
I have extensive seven years of tutoring experience in a variety of Civil Engineering courses. I have worked with the Civil Engineering Department at Assiut University, Egypt as a teaching assistant from February 2012 to June 2016. Throughout my time in the Civil Engineering Department, I have taught several civil engineering subjects including soil mechanics, structural mechanics, fluid mechanics, and surveying. Also, I was responsible for conducting labs in the area of soil mechanics, structural mechanics, and hydraulics.
As of Fall 2019, I joined the Faculty of Engineering and Information Sciences at the University of Wollongong in Dubai as an instructor[full-time position]. My role with the UOWD involved the following:
- Provide daily instruction to undergraduate students in the classroom and in individual conferences as needed.
- Conducting labs in the area of soil mechanics, structural mechanics, geo-technics, hydraulics, and surveying.
- Helping undergraduate students with their final projects and writing their theses.
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Related Book For 
Principles Of Foundation Engineering
ISBN: 9781337705028
9th Edition
Authors: Braja M. Das, Nagaratnam Sivakugan
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