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008 090421s1977 th uu|m rtt 0| a1eng d
035 _a.b10261680
099 9 _aAIT Thesis no.1009
100 1 _aKoirala, Naresh P.
245 1 0 _aEvaluation of stability failures of embankments on soft clays
260 _aBangkok :
_bAsian Institute of Technology,
_c1977
300 _a341 p.
490 1 _aThesis ;
_vno. 1009
500 _aA thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering of the Asian Institute of Technology, Bangkok, Thailand
502 _aThesis (M.Eng.) - Asian Institute of Technology, 1977
520 _aFifty six published case histories of embankment failures on soft ground are compiled and reviewed. The embankments are classified into three different classes depending on the quality of the available data. A new term called 'critical depth' is defined, and it is shown that the circle with the minimum factor of safety lies between 0 & 2.5 m below the position of the minimum strength in a subsoil which exhibits a classical strength profile with a crust of high strength at the ground surface. A design factor of safety of 1.2 for Bangkok embankments is proposed. Two sets of design curves are developed, one for embankments on Bangkok soil and the other for embankments in other regions. The new design curves give better solutions for soils with low PI values, a range in which the Bjerrum curve failed. An alternative method of design of embankments by using the bearing capacity factor, Ne, is also proposed.
650 0 _aShear strength of soils
650 0 _aEmbankments
700 1 _aBrand, E.W.,
_eChairperson
700 1 _aBalasubramaniam, A.S.,
_eExamination Committee
700 1 _aHolmberg, Soren,
_eExamination Committee
710 2 _aGovernment of the Netherlands,
_eScholarship Donor
810 2 _aAsian Institute of Technology.
_tThesis ;
_vno. 1009
856 _3Full-Text
_uhttp://203.159.5.9/ait-thesis/detail.php?q=B23122
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