EXPERIMENTAL STUDY ON SOIL MOISTURE CONTENT OF LOW-COST TDR EQUIPMENT
Since soil moisture content affects the physical properties of soil,soil moisture content monitoring has be-come an important part of geotechnical engineering. The TDR monitoring equipment commonly used on the market today is expensive and complicated to operate. Herein,an integrated monitoring technology of soil moisture content of low-cost TDR equipment is proposed according to the principle of time domain reflectometry (TDR). TDR compo-nents are independently designed to reduce process manufacturing costs,and automatic data analysis are carried out by MATLAB1.0 analysis. Finally,results from the probe length measurement tests and the soil moisture content mea-surement tests may provide the reference for the application of TDR in soil water content measurement.