000			03409cas|a2200433 i 4500
005			20260817173348.0
008			070699s1983 th uu m rtt 00| a1eng d
035			_a.b10151242
099		9	_aAIT Thesis no.GT-82-32
100	0		_aKorchoke Chantawarangul
245	1	0	_aComparative study of different procedures to evaluate effective stress strength parameters for partially saturated soils
260			_aBangkok : _bAsian Institute of Technology, _c1983
300			_a114 p. : _bill.
490	1		_aThesis ; _vno. GT-82-32
502			_aThesis (M.Eng.) - Asian Institute of Technology, 1983
500			_aAt hesis s ubmitted in partial f ulfillment ot the requirement for the degree of Master of Engineering.
520			_aThis investion has critically reviewed the effective stress strength of partiaLly saturated soils bas ed on two existing theories, i.e. Bishop's (1995) and Fredlund's (1978). These two methods give identical results provided the c and {u00A2} ' value in each eguat1 o n is obtained tor tu~l y saturated soil sampl es. HoW'e ver, tne method of: t:estiny used i .n these two approaches are applicabl e only for tnose vttlues of degree o f saturation when a~r and water pores are continuous. Si.nee the met hod ot snear t esting ot partially saturated soils a.re complicated and t:i.1he consu'1ing, an indirect method to determine the effectiv·e str:ess strength J!arameters troru tJO t ests proposed by arsal (1979) has been investigated and checked tor its validi ty. By extension o f Marsals concept, the determina.tion ot effective s tress strength parameters .trom unconfinea compression t est s and s uction ~ asarements is proposed. On t~ e bas i s ot limited test data reported here, and t he analysis of available aata f or partially saturated s oils, the proposed procedure t o e valuat e ffective stress s tre ngth parameters i s shown to be a promising practical approach. In th1.s proced. u.r e. results fro111 UO t est:s under high contining pressure , unconfined compression tests a nd sucti on measurements are needed to estima t e values ot c {u00A2} and {u00A2} for partially saturated soils e ven tor low v·a.lues of i nitial degr ee or saturation.
650		0	_aStrains and stresses
650		0	_aSoils _xTesting
700	1		_aYudbbir, _eChairperson
700	1		_aHalasubramaniuru, A.S., _eExamination committee
700	1		_aBergado, Dennes T., _eExamination Committee
710	2		_aStarr Foundation, _eScholarship donor
810	2		_aAsian Institute of Technology. _tThesis ; _vno. GT-82-32
856			_3Full-Text _uhttp://203.159.5.9/ait-thesis/detail.php?q=B15953
907			_a.b10151242 _bmnait _cs
902			_a240411
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942			_c40
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