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  5. 盾构近距离下穿施工对无上覆土大断面曲线型环廊的影响研究

盾构近距离下穿施工对无上覆土大断面曲线型环廊的影响研究

来源 :2019年(第八届)国际桥梁与隧道技术大会 | 被引量 : 0次 | 上传用户：huangom444
【摘 要】
：
郑州地铁14号线奥体中心站～星空路站区间下穿星海路地下交通环廊.因下穿区域环廊为大断面、曲线型且与隧道距离仅为0.5m,因此采用MADIS/GTS有限元软件对盾构区间下穿环廊的施
【作 者】
：
易领兵 刘胜欢 杜明芳 郑力铭 吕高乐 吕兆龙 李帅兵 
【机 构】
：
中交铁道设计研究总院有限公司,北京100000河南工业大学土木建筑学院,河南郑州450000郑州市轨道交通有限公司,河南郑州450000上海城铁建筑科技有限公司,上海200000
【出 处】
：
2019年(第八届)国际桥梁与隧道技术大会
【发表日期】
：
2019年5期
【关键词】
：
盾构隧道 地下交通环廊 下穿施工 有限元分析 
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郑州地铁14号线奥体中心站～星空路站区间下穿星海路地下交通环廊.因下穿区域环廊为大断面、曲线型且与隧道距离仅为0.5m,因此采用MADIS/GTS有限元软件对盾构区间下穿环廊的施工方案进行有限元分析.模拟计算表明,在超前加固措施下,盾构下穿施工对环廊的影响在控制标准之内.结合工监测数据,验证了模型的可靠性.
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