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008 290199s1987 th 0000|0 eng d
035 _a.b10083868
099 9 _aAIT Thesis no.GT-87-07
100 1 _aGurung, Netra
245 1 0 _aAnalytical study of the effect of compaction on the behavior of buried flexible pipes
260 _aBangkok :
_bAsian Institute of Technology,
_c1988
300 _a112 p.
490 1 _aThesis ;
_vno. GT-87-07
500 _aA thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering, School of Engineering and Technology
502 _aThesis (M.Eng.) - Asian Institute of Technology, 1988
520 _aThe effect of soil-structure interaction associated with compaction of granular soil around large flexible pipes was studied by an aid of a finite element program (FEAP). A modification was made to the program to make use of it . In this study the compaction effect of side backfill on the pre-deflected behaviour of buried pipe was studied by a new ap proach of input pressure application scheme to the FEM system . The effect of the variation in flexibility of soil-pipe system on deformations and moments were evaluated and the results are presented. The analysis yield the pre-deflection behaviour in the same manner as that usually observed in the field. For flexible pipe in high compaction, deflection from compact side backfill will be very large while recovery from fill above pipe will be very small. Therefore, pre-deflected pipe shape can be much different from the circular shape that is usually assumed in the traditional design of buried pipes.
650 0 _aSoil structure
650 0 _aSoil stabilization
650 0 _aPipe lines
700 0 _aNoppadol Phien-Wej,
_eExamination Committee
700 1 _aKuwano, Jiro,
_eExamination Committee
700 1 _aBalasubramaniam, A.S.,
_eExamination Committee
710 2 _aThe Government of The Federal Republic of Germany,
_eScholarship Donor
810 2 _aAsian Institute of Technology.
_tThesis ;
_vno. GT-87-07
856 _3Full-Text
_uhttp://203.159.5.9/ait-thesis/detail.php?q=B18647
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