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 12 管片外部围压荷载系数斜率-顶部中心节点竖向位移曲线

Fig.12 Slope of external confining pressure load factor-vertical displacement of top central node curves for segment