在应力位移曲线上表现为两次应力降。
There are two stress drops on the stress-displacement curve.
应力-应变曲线出现应力降。
应力降随震级变化不明显。
对静态应力降和破裂速度的估计是不明确的。
Estimates of static stress drop and rupture velocity are ambiguous.
实验中的应力降和地震中的应力降在数量级上是相同的。
The order of the stress drop in the experiment is same as that in the earthquake.
地震矩和应力降都呈现出随震级而单调递增的规律性变化。
The trend that scalar seismic moment and stress drop increase with magnitude was obvious.
在临界压力附近，钻孔冲击前后的应力降及声发射急剧增加。
The stress drop and acoustic emission change sharply before and after the burst in the borehole.
天然地震应力降低于室内粘滑应力降是由围压介质刚度引起的。
That the stress drops of natural earthquakes are not as great as that of laboratory experiment is caused by confining, stiffness.
目前，对于地震矩及地震应力降与震级的关系存在着不同的看法。
At present, there are different views about the relationships between seismic moment, stress drop and the magnitude.
它是发生在不能积累起较高应力的薄弱地带的一次低应力降的地震。
It is a low stress-drop earthquake occurring in a weak zone that is incapable of accumulating higher stresses.
据初步研究结果，伊通-舒兰断裂南、北两段的震源应力降与Q值存在差异。
The preliminary study result shows that the two segments in question show differential source stress drop and Q value, which can be explained by the earthquake activity.
地震应力降随震级的不同有较大的变化，其取值范围为几十万帕到一千多万帕。
The seismic stress drops vary with magnitude strongly, which are from several hundred thousand Pa to more than ten million Pa.
分析了拐角频率和应力降随时间的变化趋势，并讨论了震源参数相互之间的关系。
The variation of corner frequency and stress drop with time are analyzed, and the relations between focal parameters are discussed.
研究结果还表明用地面运动峰值参数估算地震应力降是一种新的实用性较强的方法。
The results of this study also show that estimation of seismic stress drop from the peak parameters of ground motion will become a new practical method.
得到了拐角频率与地震矩、地震矩与应力降、震源半径与应力降之间存在依赖关系。
We also found the dependence of corner frequency on seismic moment, seismic moment on stress drop, source radius on stress drop.
本文就此问题进行简单的讨论。对于大地震而言，可以近似地认为地震应力降与震级无关。
Here it is considered that there is almost no relationship between stress drop and magnitude for large earthquakes.
唐山、丰南附近，应力降较低，约2巴。从这两地向东北、西南应力降逐渐增高到34巴。
The results obtained indicate that the stress drop gradually increases with distance from 2 bars at Tangshan and vicinity toward the northeast and southwest to a maximum of 34 bars.
矩震级标度是从地震矩换算过来的，换算关系中地震应力降与剪切模量估算的不准确会对矩震级标度产生影响。
Moment magnitude is transformed from seismic moment, so the estimation inaccuracy of stress drop and shear modulus will affect moment magnitude scaling.
结果表明，由应力降估算绝对应力值是一种可行的办法，关键在于应力降结果的可靠性及震源定位精度的提高。
The obtained result indicates that it is an applicable way to estimate the absolute stress value from stress drops, with a key …
本文的实验发现，应变速率是影响粘滑复发间隔，应力降以及主破裂的几何分布，破裂面的粗糙程度的关键因素。
We can conclude that the strain rate produce a great impact on stress and recurrence intervals of stick slip events and roughness and patterns of rock samples.
用RFPA软件对钻孔冲击进行了数值模拟，验证了钻孔冲击实验得出的临界压力，并研究了钻孔冲击前、后的应力降及声发射等特征。
The software RFPA is used to simulate the borehole burst, validate critical pressure, and research the stress drop and acoustic emission before and after occurring the burst in the borehole.
土体中大量降排水的过程实际上是土体中有效应力增长的过程。
The process of pore water discharge in soils is actually a process of effective stress increase.
土体中大量降排水的过程实际上是土体中有效应力增长的过程。
The process of pore water discharge in soil is actually a process of effective stress increase.
说明这一方法对元器件的正确选择、电路设计中热电应力的控制和降额等可靠性设计起主导的作用。
The technique plays an important role in the proper selection of parts, thermal electrical stress control in the circuit design and derating.
降模量及弹性模量对局部损伤变量率的影响取决于流动应力的大小。
The influences of softening modulus and elastic modulus on local damage variable rate depend on the flow stress level.
当外加应力突然降低后，在瞬时蠕变过程中发生了弹性应变和滞弹性应变，整个降载过程中的应变变化值与应力变化值成线性关系。
During the transient creep after stress decrease, it has been found that the total strain transient consists of two components, elastic strain and anelastic strain.
水库泄降对防护堤的应力和沉降分布也有影响，应力和沉降随着水库泄降而增大。
The reservoir drawdown also affects stress and settlement distribution of the protection embankment, and both the stress and settlement progressively increase with the reservoir level drops.
增加降模量或降低弹性模量，局部损伤变量最大值-流动应力的关系趋于平直。
The relationship between maximum local damage variable at the center of the band and flow tensile stress becomes flat as softening modulus increases or the elastic modulus decreases.
增加降模量或降低弹性模量，局部损伤变量最大值-流动应力的关系趋于平直。
The relationship between maximum local damage variable at the center of the band and flow tensile stress becomes flat as softening modulus increases or the elastic modulus decreases.
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