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。
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。
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。
Roof falling, floor heave of roadway and pillar failure are important problems of rock mechanics in mining process.
顶板冒落、巷道底鼓和矿柱破坏是采矿过程中的重要岩石力学问题。
The safety factor of karst cave roof is defined as the ratio of actual shear strength parameter to critical failure shear strength parameter in this paper.
定义溶洞顶板稳定性安全系数为顶板岩体实际剪切强度与折减到临界破坏时的剪切强度之比值。
The weld defects and thermal stress result in failure of vapour wax-removal loop-pipe used in floating roof tank.
浮顶罐蒸汽除蜡装置失效的原因是施工焊接缺陷和热应力破坏。
During the initial excavation, the tender coal seam workings in deep seam in Nantun Colliery takes on slocking of roof, with breaking-out in bulk coal and surrounding rock failure.
南屯煤矿深部松软煤层巷道，在掘进过程中顶板破碎，伴有大量顶煤冒落且围岩破坏严重。
The main factors effecting of slipping area along the bed rock and roof separation and failure area and the major avenue of damage surrounding rock caused by mining are analyzed in this paper.
分析了影响沿底座滑区和顶板离层破坏区破坏的主要因素及其采动损害传递的主途径。
Studying the variety laws of the plastic failure, distortion and stress of soft and hard rocks alternate-layered roof with the constant vertical stress only the horizontal stress changing.
在垂直应力不变，不断改变水平应力的条件下，分析各类软硬岩互层项板的应力、变形、破坏规律。
With theory of rock beams, cutting roof, reinforcing roof, manual pillar deformation and failure, and obtains some kinds of knowledge.
文章就顶板稳定性有关的普通顶板、节理化顶板、放顶、顶板加固和人工柱变形破坏等问题，用岩石梁理论进行了分析讨论。
It is necessary to research into the burst failure and rock burst tendency of combined sample which is made up of roof, coal and floor.
研究顶板-煤体-底板所构成的组合煤岩体试样变形破裂规律及冲击倾向性对于预测冲击矿压具有非常重要的实践意义。
Unsupported floor as the main releasing channel for deformation and failure energy, has intensified the whole subsidence of roof surrounding rock.
无支护底板作为变形破坏能量主要释放通道，加剧了巷道顶帮围岩整体下沉。
First, based on similar material model test, top coal cave-in characters in steep and thick seam were studied as well as failure law of main roof and features of surface subsiding.
首先利用相似模拟实验研究了急斜特厚煤层顶煤的冒落特征、顶板的破坏规律，以及地表下沉的特点。
Relationship curves between seam dip Angle, horizontal section height and roof deformation are derived, at the seam time, the criterion of failure is given in this paper.
得出了煤层倾角、水平分段高度对顶板变形的影响关系曲线，同时，给出了顶板破断的判据。
Roof falling of mined out area was numerically studied by using a rock failure process analysis software(RFPA2D).
前言：运用岩石破裂过程分析RFPA2D 系统，对采空区顶板大面积冒落过程进行了数值模拟研究。
The stability of main and immediate roof structure and its influence on strata behaviour are analysed. The failure features of roof coal between top and bottom slice are thoroughly studied.
深入分析了层间顶煤的破碎特点，指出层间顶煤的破碎效果是多因素综合作用的结果，而在不同的开采条件下将具有不同的放顶煤效果。
The stability of main and immediate roof structure and its influence on strata behaviour are analysed. The failure features of roof coal between top and bottom slice are thoroughly studied.
深入分析了层间顶煤的破碎特点，指出层间顶煤的破碎效果是多因素综合作用的结果，而在不同的开采条件下将具有不同的放顶煤效果。
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