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008			181199s1999 th uu m rtt 00| a1eng d
035			_a.b11764922
099		9	_aAIT Thesis no. GE-98-03
100	0		_aPichaya Oungsangkoon
245	1	0	_aGeotechnical aspects in design and construction of Bangkok MRTA blue line initial system
260			_aBangkok : _bAsian Institute of Technology, _c1999
300			_a260 leaves
490	1		_aThesis ; _vno. GE-98-03
500			_aA thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering, School of Civil Engineering
502			_aThesis (M.Eng.) - Asian Institute of Technology, 1999
520			_aThis research reviewed geotechnical aspects of underground works related to tunnelling and station construction of the Initial System MRT Project. Properties of subsoil through the tunnel alignment were summarized. Top-down method is performed in station construction. Station walls used diaphragm wall to support the surrounding soils. In tunnel works, eight EPB shields are adopted for excavation of the running tunnels. Tunnel lining consists of five and six regular precast concrete segments. The design method of segmental lining is of the Muir Wood (1975). Consolidation of the clay layer causes differential settlement of the underground structures founded on different foundation depths. The settlement prediction methods are based on the regression of land subsidence data and the consolidation compression/swelling characteristics of the clays. This research summarizes the results of differential settlement prediction that is expected between tunnel connections with other structures founded at a shallower or deeper depth. The evaluation of protection requirement followed damage classification given by Burland ( 1997) and Boscadin and Cording (1989). Pile foundations of canal bridge and overpass bridge obstructing the routes of bored tunnels, are underpinned with new piles. Ground treatment utilized in construction mainly consists of jet grouting in order to control the problems of soft ground.
650		0	_aTunneling _zThailand _zBangkok
650		0	_aUnderground construction
700	0		_aNoppadol Phien-Wej, _eChairperson
700	1		_aBalasubramaniam, A.S., _eExamination Committee
700	1		_aDer-Guey, Lin, _eExamination committee
710	2		_aAsian Institute of Technology Partial Scholarship, _eScholarship donor
810	2		_aAsian Institute of Technology. _tThesis ; _vno. GE-98-03
856			_3Full-Text _uhttp://203.159.5.9/ait-thesis/detail.php?q=B12418
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