1) swell-shrink soils
胀缩土壤
2) soil swelling-shrinkage
土壤胀缩
1.
The review is summarized in some aspects,such as expression methods of soil volume change,characteristic of soil crack,water move mechanics in expansive soil,models of soil shrinkage characteristics curve and related factors affecting soil swelling-shrinkage.
土壤胀缩是土壤在干燥、湿润交替变化过程中所表现出的土壤容积随含水量改变的关系。
3) expansion and contraction of soil
土壤胀缩运动
1.
Study on mechanism of expansion and contraction of soil in grassland;
草原土壤胀缩运动的发生机制研究
4) Soil shrinking and swelling characteristics
土壤胀缩特性
5) frost heaving of soil
土壤冻胀
1.
The difficulties in the establishment and solution for mathematical model of frost heaving of soil are introduced.
介绍了土壤冻胀数学模型建立及求解的难点 ,综述了国内外有关土壤冻胀的数学模型研究的现状 ,展望了在土壤冻胀数学模型研究领域中需进一步改进和完善的方向及有关的发展趋
6) soil swelling
土壤膨胀
补充资料：胀缩宇宙模型
见开放宇宙模型。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条