form of fracture meaning in Chinese

断裂类型
断面形式
断面形状

Based on mechanics of fracture , and regarding thermal stress caused by temperature difference and static hydraulic pressure caused by fracture water as the main factors , the forecast of collapse period of dangerous rock is researched through different combination forms of fracture types , then a way to calculate collapse period of dangerous rock is provided
摘要以断裂力学为基础，以温度差引起的热应力及裂隙水引起的静水压力为主要影响因素，通过不同的断裂类型组合形式研究了危岩垮塌的周期，提供了一种计算危岩垮塌周期的方法。