1 AIT Asian Institute of Technology

Field observations on installation of displacement type sand drains

AuthorZubair, Mohammad
Call NumberAIT Thesis no. GT-78-20
Subject(s)Sand drains
NoteA thesis submitted in partial fulfilment of the requirements for the degree of Master of Engineering, School of Engineering and Technology
PublisherAsian Institute of Technology
AbstractThis study investigates the effects of installing driven-mendrel displacement type sand drains on soft Bangkok clay. These effects were studied on pore water pressure, the lateral subsoil movements, the heave and horizontal movements of the ground surface. A total no of 25 sand drains, 30 cm in diameter and about 6 m. in length, were installed at a contre to centre spacing of 1.2 m. Before the installation the test site was equipped with piezometers, inclinometers and wooden stakes. The results indicated high pore pressures and large heave of the ground surface. After the installation the excess pore pressures were found to dissipate rapidly accompanied by a gradual settlement of the heaved ground surface and slow recovery in the subsoil lateral movements.
Year1979
TypeThesis
SchoolSchool of Engineering and Technology
DepartmentDepartment of Civil and Infrastucture Engineering (DCIE)
Academic Program/FoSGeotechnical and Transportation Engineering (GT)
Chairperson(s)Akagi, Toshinobu
Examination Committee(s)Holmberg, Soren ;Brenner, R.P.
Scholarship Donor(s)Government of Canada
DegreeThesis (M.Eng.) - Asian Institute of Technology, 1979


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