Research progress of rock elastic parameters measurement by resonant ultrasound spectroscopy
Accurately measuring the elastic parameters of rocks is crucial for reliable evaluation and explo-ration of underground resources.Resonant ultrasound spectroscopy is based on the principle that resonant frequency is related to the elastic properties of rocks and offers several advantages over traditional methods,such as ultrasonic pulse transmission and stress-strain method.These include repeatability,high measurement accuracy,and the ability to obtain all elastic parameters in one measurement.It can also measure irregular samples,making it a promising method for measuring rock elastic parameters.This paper reviews the devel-opment of resonant ultrasound spectroscopy method,including forward and inverse methods since the 1960s,and analyzes the influence factors such as sample preparation,measurement methods,and calculation methods on measurement results.Finally,recent progress and prospects in measurement,forward and inverse methods,nonlinear measurement,and measurement in extreme environments are summarized.Suggestions for future research directions are provided to help develop elastic parameter measurement methods for conventional rocks,shale,seafloor minerals,and other unconventional rocks.Suggestions are given for future directions that should be focused on and expected to benefit the development of elastic parameter measurement methods for conventional rocks as well as unconventional rocks such as shale and seabed minerals.
万方数据
维普
