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- Subgrade soil cave karst 岩溶路基土洞
- Effect on Foundation Deformation by Soil Cave in Karst Ground 喀斯特地基中土洞对地基变形的影响
- Rockfill stuff and subgrade soil should be studied on settlement rule for high rockfill embankment respectively,for the differences of the pressurized state and settlement rule. 由于填石料与地基土的受力性能不同,沉降规律也大不相同,因此提出先分别考虑路基和填石料的变形,然后再叠加的方法来研究高填石路堤沉降规律。
- The action of seepage erosion and disintegration produced by groundwater are important causation of the formation and development of soil cave. 地下水(地表水)产生的渗透潜蚀作用、崩解作用等是土洞形成和发展的重要原因。
- 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。
- In cohesive soil, avoiding continual pumping water and reducing the quantity of pumping water properly at the beginning will be helpful to reduce the possibity of soil cave collapse. 在粘性土层中,避免反复频繁抽水及适当减少抽水初期的抽水量,有利于减少土洞塌陷的可能性。
- Based on elastic theory and relative analysis, the stress distribution of soil cave in foundation can be deduced, and the stability of soil cave can be determined by the Mohr-Coulomb yield criteria. 根据弹性理论及相关分析,可以获得地基中土洞周边土体的应力状态,再利用莫尔-库仑屈服准则,对其进行安全稳定性判别。
- Experimental results showed that the resilient modulus of unsaturated cohesive subgrade soils reduced with the increase of deviator stress and the decrease of matric suction. 研究结果显示重复荷载下之偏应力愈大则回弹模量愈小,且回弹模量随基质吸力的增加而增加。
- compressive strain on top of subgrade soil 土基顶面压应变
- evaluation of bearing capacity of subgrade soil 基床土承载力评估
- 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。
- ADVANCE IN POST-CONSTRUCTION SETTLEMENT OF SOFT SUBGRADE SOIL 公路软基工后沉降研究进展
- limit equilibrium height expression of critical soil cave 临界土洞极限高度公式
- Fixing Loading Sequence for Resilient Modulus Test of Subgrade Soil 路基土动态回弹模量室内试验加载序列的确定
- Internal Resilience Modulus of Subgrade Soil in Guiyang 贵阳路基土室内回弹模量研究
- STRENGTH AND STABILITY OF SUBGRADE SOIL ON SIPING-CHANGCHUN FREEWAY 四平至长春高速公路路基上的强度和稳定性
- Some plants push their roots deep into the soil. 一些植物的根深深长入土中。
- Such crops won't grow in limy soil. 这类作物不能在石灰质的土壤中生长。
- What shall we grow in this alkaline soil? 我们应该在碱性土壤里种什么?
- It is an unwonted super-weak soil subgrade. 是罕见的超软弱土地基。
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