The Feasibility of Low Field NMR Technology in Geotechnical Engineering

Abstract

Abstract. In resent years, the nuclear magnetic resonance (NMR) technique has been applicated in a relatively small scale, which includes soil, rocks, coals ,concrete and so on. In this paper, the auther indicate the theoretical background of NMR in short words and explain the measurement methods of T 1 and T 2 relaxation. Then the important parameters that have great impact of the result is emphasized. After introducing the representative research scope in soil, rocks, coals and concrete, the advantages and limitation of the NMR application are clear. Although the result of the NMR test is not accurate totally, the trend is correct and the accuracy is trusted in geotechnical engineering.