This paper summed up the recent works about failure mechanisms, fracture toughness and failure criteria of concrete which are monotonously loaded in a short-term.
本文总结了在短期单调荷载作用下混凝土的破坏机理，断裂韧度和强度理论方面的研究成果。
2
Diopside crystals have a perfect cleavage in two directions, are often twinned and are short and columnar, but with an uneven fracture.
透辉石有两个方向的完全解理，通常为孪晶生成，短且成圆柱形，断口参差不平。
3
The presence of a short oblique fibular fracture (often with lateral comminution) suggests that this is stage III of a pronation abduction injury.