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roof failure

roof failure

roof failure

roof failure

1

Roof is composed of heterogeneous rock . When roof failure happens, a large amount of energy would release in the form of seismic wave.

顶板是一种典型非均质岩石材料，在其破坏演化过程中将释放能量产生地震波。

2

They can cause complete roof failure on most homes and buildings .

他们能够将大多数建筑的屋顶掀翻。

3

Those are the highest on the Saffir-Simpson scale . They can cause complete roof failure on most homes and buildings .

这是萨佛 -辛普森等级的最高级别，会造成大部分房屋和建筑毁坏。

4

Practice on bolting and shotcreting with wire mesh support applied to treat high roof failure in soft rock roadway

锚喷网支护处理软岩巷道大冒顶的实践

5

Bottle Stopper Method Applied to Treat Heavy Roof Failure Accident in Large Cross Section Tunnel

用瓶塞法处理大断面隧道通天冒顶事故

6

Shotcreting and Grouting Method Applied to Treat High Roof Failure Mine Roadway

超高大范围冒落巷道喷注法治理技术

7

Study on the Influence Laws of Side Pressure Coefficient on Roof Failure of Roadway in Alternating Stratified Soft Roof Rock

侧压系数对巷道软弱互层顶板岩体破坏影响规律研究

8

Reasons of underground road roof failure and preventive measures

矿石顶板伤害事故多发原因与对策

9

Cause analysis and measures for roof failure in bolt supported seam gateway

煤巷锚杆支护冒顶原因分析及其对策

10

Visual Study on the Movement Scope of Overlying Strata and the Control of Roof Failure in Stope

采场上覆岩层运动范围与顶板事故可视化研究

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