| 单圆盾构隧道抗震计算的惯性力法 |
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| 引用本文： | 商金华,陈永.单圆盾构隧道抗震计算的惯性力法[J].华南地震,2009,29(1). |
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| 作者姓名： | 商金华 陈永 |
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| 作者单位： | 1. 同济大学岩土及地下工程教育部重点实验室,上海,200092;同济大学地下建筑与工程系,上海,200092
2. 中国重汽集团设计院有限公司,山东济南,250031 |
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| 摘 要： | 将单圆盾构隧道衬砌结构在地震作用下的动力响应问题,简化为由作用于盾构隧道管片形心的等代地震惯性力与地层抗力组成的受力体系,并据此以计算结构在地震作用下的内力.结果表明,该方法能准确反映单圆盾构隧道在地震作用下的内力最大值,并且简单、实用.
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| 关 键 词： | 单圆盾构隧道 软土地层 抗震计箅 惯性力法 |
Simplified Calculation Method of Seismic Responses of Shield Tunnels in Soft Soil |
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| SHANG Jinhua,CHEN Yong.Simplified Calculation Method of Seismic Responses of Shield Tunnels in Soft Soil[J].South China Journal of Seismology,2009,29(1). |
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| Authors: | SHANG Jinhua CHEN Yong |
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| Institution: | 1. Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education;Tongji University;Shanghai 200092;China;2. Department of Geotechnical Engineering;3. Sinotruk Design Institute CO.LTD;Shanghai 250031;China |
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| Abstract: | The response of single round shield tunnel in soft soil under seismic wave is simplified as a stress system composed of the inertial force acting at the centroid of the shield tunnel and the stratum resisting force,and accordingly the internal forces and responses of the shield tunnel under seismic wave are calculated. The result indicates that this method can reflect accurately the maximum stresses of single round shield tunnel under seismic wave. It is a suitable simple numerical calculation method for en... |
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| Keywords: | Shield tunnel Soft soil Seismic design calculation Simplified calculation method |
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