国际会议汇报ppt英文课件.pptx
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1、Safety management in tunnel construction:Case study of Wuhan metro construction in ChinaAuthor:MiroslawJ.Skibniewski Lieyun Ding,et alReporter:Wu Tong-gangCentral South UniversityNew wordsShaft:通风井Grouting:灌浆,给灌浆High-pressure jet grouting piles(HJGP):高压喷射灌浆柱Silty clay:粉质黏土Tunnel boring machine(TBM):
2、隧道掘进机Gush:涌出Double-spool:双轴OutlinePART 1 Introduction PART 2 MethodPART 3 ResultsPART 4 ConclusionIntroduction 11.1 Background Shield tunneling technologyAdvantages Disadvantages 1.High level of mechanization1.Large scale 2.Fast progression of tunneling works2.Long duration3.Lesser environmental imp
3、act3.Complex technical issues1.2 Objective The primary aims of this study were to investigate:Overall Process Safety Management(OPSM)in tunnel construction.iiiiA real-time update of both environmental parameters and control measures.iiA more reasonable solution for the waterproofing and reinforcing
4、works.1.3 Project profileWuhan Yangtze Metro Tunnel(WYMT)Characteristics:1.Double-spool tunnel connecting two large cities2.Two sets of ventilation shafts3.A curve radius of 350m and an extremely close distance away from Yangtze River4.Fine sandstone and silty clayMethod 2Waterproofing Ground freezi
5、ngLowering of water level methodReinforcing 1.The cement paste tends to be washed away by the flowing water,resulting in poor reinforcement.A high-pressure jet grouting2.1 Safety system design2.No significant waterproofing results would be achieved due to the close proximity to the Yangtze River.2.1
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