In order to find the relationships between the distortion rule ofthe concrete and its surrounding stress field, a real-time opticalholographic setup is used to record the distribution and thevariation of the samples, ...In order to find the relationships between the distortion rule ofthe concrete and its surrounding stress field, a real-time opticalholographic setup is used to record the distribution and thevariation of the samples, the waveforms of ultrasonic emissionstimulated by the micro-cracks are recorded by a transient automaticwaveform recorder to determine the time location and intensity of theactions of micro-cracks. The experiment results are worth studying.This method provides a useful experimental approach to study thebrittleness materials.展开更多
文摘In order to find the relationships between the distortion rule ofthe concrete and its surrounding stress field, a real-time opticalholographic setup is used to record the distribution and thevariation of the samples, the waveforms of ultrasonic emissionstimulated by the micro-cracks are recorded by a transient automaticwaveform recorder to determine the time location and intensity of theactions of micro-cracks. The experiment results are worth studying.This method provides a useful experimental approach to study thebrittleness materials.
