These errors are relative with the mathematical model about pile shaft concrete and soil resistance in high strain testing.
高应变试验模拟计算结果与静载结果的不同，与其测试分析中采用的桩身材料和土阻力的数学模型有关。
The hammer weight of High Strain Testing determines on that the pile capacity tested by High Strain Testing is correct or not.
高应变测试时锤重的选择，直接影响高应变承载力测试的成功与失败。
The pile strain of AM bulb cast-in-place pile is tested by high precision sliding micrometer, which can have high precision and reliable testing results.
采用高精度滑动测微计测试AM扩底桩在各级荷载下的桩身应变，测试精度高，测试结果可靠。
The thesis analyse and discuss several matters that high strain dynamic testing of pile.
对基桩高应变检测中应注意的几个问题进行分析、论述。
Based on engineering detection test, the application of high strain dynamic method in steel pile dynamic test is expounded. And the actual application of high strain dynamic testing is discussed.
结合工程检测实践论述了高应变动力测试技术在钢管桩检测中的应用，并对高应变动力测试技术的实际应用进行了探讨。
Under the impact of a large hammer, a high signal noise ratio of the force and velocity can be acquired in the high-strain dynamic testing.
高应变动力试桩法采用数吨重锤锤击，同时实测了桩顶的力信号和速度信号，具有很高的信噪比。
Under the impact of a large hammer, a high signal noise ratio of the force and velocity can be acquired in the high-strain dynamic testing.
高应变动力试桩法采用数吨重锤锤击，同时实测了桩顶的力信号和速度信号，具有很高的信噪比。
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