【摘要】 以北京地铁10号线穿越国贸立交桥为工程背景,采用有限差分程序FLAC3D建立计算模型,对WSS工法实施过程中隧道的受力、变形及桩顶沉降规律进行研究。研究表明,WSS二重管无收缩双液注浆对桩底加固,以及洞内超前环向注浆措施是10号线成功通过异形板濒危桥桩的重要洞内措施。更多还原

【Abstract】 Based on project of Beijing Subway Line 10 passing Guomao Highway,bearing capacity,deformation and pile top settlement rule are analyzed in WSS construction method with FLAC3D.Results show that reinforcing pile end with WSS construction method and advanced grouting at ring direction are important measures for successful construction of the subway tunnel crossing endangered special shaped bridge piles.更多还原