考虑椭圆度缺陷的盾构管片结构极限承载性能研究

王震,丁智,张霄,周奇辉,张成全

Ultimate bearing capacity of shield segment structures considering ovality imperfection

Zhen WANG,Zhi DING,Xiao ZHANG,Qi-hui ZHOU,Cheng-quan ZHANG

图 15 管片外部围压极限荷载系数-土体抗力系数曲线

Fig.15 External confining pressure ultimate load factor-soil resistance coefficient curves for segment