基于分层核磁测试新技术的未冻水变化规律研究——以砂土冻融过程为例
韩大伟1,2(
), 杨成松1(), 张莲海1, 石亚军1,2, 尚飞1,2
), 杨成松1(), 张莲海1, 石亚军1,2, 尚飞1,2
Study on the variation law of unfrozen water based on the new technology of layered nuclear magnetic testing： taking the freezing and thawing process of sand as an example
Dawei HAN1,2(), Chengsong YANG1(), Lianhai ZHANG1, Yajun SHI1,2, Fei SHANG1,2
), Chengsong YANG1(), Lianhai ZHANG1, Yajun SHI1,2, Fei SHANG1,2
图13. FID与Q-CPMG序列未冻水含量计算（其中实线表示MT-CPMG序列获得未冻水含量，虚线表示Q-CPMG与FID序列下获得未冻水含量）
Fig. 13. Calculation of unfrozen water content for FID and Q-CPMG sequences： calculation of unfrozen water content （a）； unfrozen water content （b） （The solid line represents the unfrozen water content obtained from MT-CPMG sequence， and the dotted line represents the unfrozen water content obtained from Q-CPMG and FID sequence）
