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社会稳定性分析招标文件
隧道稳定性分析
2-D analysis of circular tunnel against earthquake loading Mohammad C. Pakbaz a, * , Akbar Yareevand b a Department of Civil Engineering, Shahid Chamran University, Ahwaz, Iran b Department of Civil Engineering, Khuramabad University, Khuramabad, Iran Received 12 February 2004; received in revised form 24 January 2005; accepted 30 January 2005 Available online 14 March 2005 Abstract The use of und
某工程场地堤岸的抗震稳定性分析
利用有限元模型对两种支护方案下某工程场地堤岸的抗震性能进行了分析。二维有限元模型分析表明,采用双排桩支护方案能明显减小岸边土体的震陷和滑移,并且减小了支护桩的内力反应,达到了"小震不坏,中震可修"的设防目标。三维模型分析表明,第二排桩的桩距为1.5m时场地的抗震稳定性明显好于3.0m的情况。第二排支护桩与堤岸墙之间的土体仍会产生震陷,堤岸挡墙随之向晋江方向滑移,但由于两排支护桩形成的围护屏障使建筑周围土体保持稳定,保证了高层建筑的结构稳定。