考虑自支撑临界角的3D打印混凝土球壳结构拆分方法与成形实验
李胤贤,蒋友宝,刘艳,高鹏翔

Splitting method and forming experiment of 3D printed concrete spherical shell structure considering self-supporting critical angle
Yinxian LI,Youbao JIANG,Yan LIU,Pengxiang GAO
图9 混凝土材料自支撑临界角测定原理
Fig.9 Measuring principle of self-supporting critical angle of concrete material