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首页> 外文期刊>Journal of Civil Engineering and Science >Particle Velocity of Ground Vibration Reflects Mechanism of Rock Breakage and Damage to Structures
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Particle Velocity of Ground Vibration Reflects Mechanism of Rock Breakage and Damage to Structures

机译：地面振动的粒子速度反映了岩石破裂和结构破坏的机理

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Magnitude of particle velocity of each orthogonal component and the component triggering the sensor to monitor depends upon blast geometry and location of measurement with respect to source of vibration. Considering experimental investigations carried out at four different sites, the paper communicates that wide blast geometry (burden and spacing) with respect to depth of blastholes and location of measurement i.e., measurements made at higher altitudes (greater vertical distances) with respect to horizontal distance from vibrating source will result into higher magnitude of vertical or transverse components and will also trigger the sensor to monitor. Similarly, when measurements are made at same altitudes, vertical or transverse component will trigger the sensor to monitor when placed at closer distances and longitudinal component will trigger the sensor when placed at far off distances. The paper lastly communicates that since, each orthogonal vibration component behaves indifferently to cause structural damage, magnitude of each orthogonal component and the component triggering the structure plays an important role to ascertain safety of structure. Longitudinal component in comparison to vertical or transverse component generates more stress on structures and is more susceptible to cause damage to structures.
机译：每个正交分量和触发传感器进行监视的分量的粒子速度大小取决于爆炸的几何形状和相对于振动源的测量位置。考虑到在四个不同地点进行的实验研究，本文指出，爆破深度（炮眼和间距）与爆破孔的深度和测量位置有关，即在较高的高度（垂直距离较大）处相对于炮眼的水平距离进行测量振动源将导致较高的垂直或横向分量，也将触发传感器进行监视。类似地，当在相同的高度上进行测量时，垂直或横向分量将触发传感器以监视在更近距离处的放置，而纵向分量将在远距放置时触发传感器。最后，论文指出，由于每个正交振动分量的表现都无关紧要，不会引起结构破坏，因此每个正交分量的大小和触发结构的分量对于确定结构的安全性起着重要的作用。与垂直或横向分量相比，纵向分量会在结构上产生更大的应力，并且更容易造成结构损坏。

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