subgrade soil meaning in English
基层土壤
Examples
- Water migration and variation in the subgrade soils of expressway in seasonally frozen ground regions
季节冻土区高速公路路基含水状况与冻害调查 - In order to simulate the deformation behavior of granular materials ( subgrade soils and subbase materials ) , an elasto - plastic constitutive model , the drucker - prager ( dp ) model , was used in the analysis
为了比较真实地模拟路基及底基层粒料的变形行为，采用弹塑性dp准则。 - According to the basic equation for water flow in subgrade soil , based on the basic soil properties of compacted loess , the redistribution of soil moisture and the soil water - migrate parameters are studied
摘要基于黄土路基压实后土体的基本性质，根据路基土中水分运动的基本方程，通过室内一维土柱入渗试验，得到不同压实度的黄土湿润锋湿度与平均湿度、水分入渗速率的关系曲线。 - Moreover , there are drawbacks like difficulties in stimulation , complexity of calculation and heavy work in all these models because of many other factors . for example , the complexity of the dam structure , difficulties in measuring the physical and mechanical parameters of building materials and subgrade soil , stimulating the geologic structure of subgrade , predicting effects of loads , construction and environment on the dam and so on
此外，由于大坝结构复杂，建筑材料和地基岩土的物理力学指标难以测定，复杂地基的地质构造还很难模拟，荷载、施工及环境因素对水工建筑物的影响还很难准确预测，应用各种模型都存在着模拟困难、计算复杂、工作量大等不足。