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。
The high strain dynamic load tests, vertical static load tests and horizontal load tests for part of PHC trial piles of East China Sea Bridge are described.
介绍东海大桥部分PHC试桩的高应变动测、竖向静载和水平荷载试验情况。
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。
Because of the difficulty of concrete high strain rate experimental techniques, there are many disputes about how to describe the dynamic mechanics properties of concrete.
由于混凝土高应变率实验技术的困难，目前对于混凝土动态力学行为的描述存在较大的争议。
High strain rate will occur at the tip of a growing crack, whether quasi-static or dynamic growth, due to the existence of strain singularity.
在扩展裂纹尖端，无论是准静态扩展还是动态扩展，由于应变奇异性的存在，出现较高的应变速率。
This improved SHPB method was applied to determine the compressive dynamic mechanical response of aluminum foams at high strain rate.
利用此改进了的SHPB技术对泡沫铝进行了高应变率下的动态压缩实验。
They also show that a finer grain size can be obtained by dynamic recrystallization during superplastic deformation at a high strain rate, but the total elongation to failure is limited in about 135%.
合金在高应变速率的变形中通过动态再结晶可获得更细的晶粒尺寸，其断裂时总延伸率在135%左右。
The data of bullet velocities and time history curves of strain were recorded respectively by laser setup, high dynamic strain indicator and TDS420A oscilloscope.
采用激光测速仪测量子弹速度，动态应变仪和TDS420 A数字示波器记录应变时程曲线进行动力响应分析。
The dynamic recrystallization of ferrite will occur at high strain.
应变量较高时，将会发生铁素体的动态回复和再结晶。
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。
The dynamic tensile properties of five types of high strength fiber bundles were measured and the sensitivity of strain rates was investigated.
测试了五种纤维束的准静态和动态应力应变关系，并比较了它们对应变率的敏感性。
Dynamic strain caused Bragg wavelength shift demodulation device is summarized and the method to realize the very high demodulation resolution of Bragg wavelength shift is given.
总结了动态应力产生布拉格波长偏移的解调装置并提出用其实现微尺度计量所需要的高分辨力的布拉格波长解调方法。
Organic aerogel has relatively high dynamic compressive strength and high dynamic failure strain, thus the anti-bullet property of organic aerogel is better than other aerogels.
有机气凝胶具有较高的动态压缩强度和较大的动态失效应变，因此其抗弹性能较好；
The rugged construction and flexibility make these general purpose strain gages suitable for static and dynamic measurement with a high degree of accuracy.
坚固的构造及优越的灵活性使得这些通用应变计适合静态和动态测量，具有高精确度。
The reliability for the bearing capacity of pile obtained from the high-strain dynamic method is analyzed, which shows that the results from the said method are higher than the actual value.
最后探讨了高应变动测法检测红层嵌岩桩承载力的可靠性，表明高应变动测结果较实际略有偏高。
In addition, to be integrable, the classical dynamic institution for high-strain-rate materials is decoupled and natural strain is introduced.
同时为便于积分，在经典的高应变率材料动态本构关系中，使应变强化项与应变率项相互解耦，并引入自然应变形式。
The dynamic split tests of marble using both Brazilian disc and flattened Brazilian disc were performed at high strain rate with split Hopkins pressure bar(SHPB) of 00mm diameter.
利用直径00mm的分离式Hopkinson杆对大理岩巴西圆盘和平台巴西圆盘试样进行了动态劈裂实验。
Abstract: the application of high-strain dynamic tentative piling technique to determining limited bearing capacity of pile endpoint soil is a good method in the field of dynamic depth detection.
文摘：应用高应变动力试桩法确定桩端土的极限承载力是动力触探领域中的一种好方法。
The application of high-strain dynamic tentative piling technique to determining limited bearing capacity of pile endpoint soil is a good method in the field of dynamic depth detection.
应用高应变动力试桩法确定桩端土的极限承载力是动力触探领域中的一种好方法。
The application of high-strain dynamic tentative piling technique to determining limited bearing capacity of pile endpoint soil is a good method in the field of dynamic depth detection.
应用高应变动力试桩法确定桩端土的极限承载力是动力触探领域中的一种好方法。
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