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Discussions and improvements on wave-velocity measuring method in seismic safety evaluation

机译:地震安全性评价中波速测量方法的讨论与改进

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With Integrated source-receiver device, the method of reading arrival time directly for first arrival wave is usually adopted to test drill's shear wave-velocity nowadays, which caused the value of shear wave-velocity can not acquire precisely. A method is proposed as waveform recognition in prime, accurate the time of first arrival shear wave, which can effectively judge the shear wave phase in waveform, then obtain shear wave velocity by testing the arrival time of shear wave, greatly increases the accuracy of waveform identification and wave velocity. It is proved to be a practical method in present engineering practice
机译:如今,集成信号源接收装置通常采用直接读取初次到达波的到达时间的方法来测试钻头的横波速度,这导致无法准确获取横波速度的值。提出了一种本征波形识别的方法,可以准确判断初次到达剪切波的时间,可以有效判断波形中的剪切波相位,然后通过测试剪切波的到达时间来获得剪切波的速度,大大提高了波形的准确性。识别和波速。在目前的工程实践中被证明是一种实用的方法

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