According to the relation of fracture toughness and stress intensity factor, the cracking similarity condition of induced joint in structural model is established.
根据断裂韧度和应力强度因子的关系，建立了结构模型中诱导缝的开裂相似条件。
2
In dealing with the crackingof steel fiber concrete element, the stress release factor and shear transfer coefficient are introduced.
在钢纤维混凝土单元开裂处理中，引入应力释放因子和剪力传递因子。
3
The low temperature mechanism indicates the capability of low temperature anti-crackingof polyester fiber is the main factor affecting temperature shrink crack.