摘要
乌鲁木齐轨道交通2号线一区间隧道穿越活断层,在国内地铁工程中尚属首例。通过利用EERA软件对地层位移和土层剪力的计算,考虑区间结构与地层的相互作用,采用该区域内的地震动参数,研究在立体交叉、同期施工且需要考虑活断层影响的地铁区间设计。计算结果表明,区间隧道在穿越活断层时,结构部分区域需进行强度配筋计算。
A running tunnel of Urumqi rail transit line No.2 passes through the active fault,which is the first case in the domestic metro project.The stratum displacement and soil shear were calculated by using EERA software and the metro interval design was studied in the condition of grade separation,contemporaneous construction and the influence of active fault by considering the interaction between interval structure and stratum and adopting the seismic dynamic parameters within this region.The calculation results show that strength reinforcement calculation should be implemented in partial structure area when the interval is passing through the active fault.
出处
《铁道建筑》
北大核心
2016年第11期77-79,共3页
Railway Engineering
关键词
明挖法
大跨度
EERA软件
活断层
反应位移
抗震设计
Cut and cover method
Large span
EERA software
Active fault
Response displacement
Earthquake resistant design
