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 9 含椭圆度缺陷的管片有限元模型（变形放大15倍）

Fig.9 Segment model with elliptic imperfection (deformation magnified 15 times)