undisturbed soil

The method of researching undisturbed soil profile with the cation exchange membrane

原状土壤剖面库位释放钾的阳离子交换膜研究法

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In addition, according to economic analysis and comparison, the effect of dehydration is well at the distance of 20~ 40 m, the charge of construction is about 0.36 yuan per m~ 3 undisturbed soil, and the project expenditure is low.

通过经济性分析比较可以得出，开沟间距为20~40m干化效果较好，每m3原状土的施工费用为0.36元，工程费用较低。

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The microcosmic structure of the undisturbed soil sample done by lyophilization is tested.

对冻干法制备的广西膨胀土不扰动样进行了微结构测试研究。

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The foundation nonlinear settlement undisturbed soil tangent modulus method was adopted to compute the foundation settlement, and the calculation parameter was provided by the in-site test.

通过原位试验提供的计算参数，采用地基非线性沉降原状土切线模量法计算方法，对地基沉降进行计算。

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The quality of undisturbed soil sample plays an important part in geotechnical investigation.

原状土样质量在工程勘察中是极为重要的.

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Second, according to the parameters based on the common tri-axial compression and lateral confinement compression test on the undisturbed soil sample, this paper calculate the soil stress between piles and dry density on the use of FORTRAN program, thus make some important conclusions.

其次，采用原状土样进行室内常规三轴试验及侧限压缩试验，确定试验参数，代入前述理论公式，借助FORTRAN语言计算桩间土土体应力及其干密度，得出了一些结论；

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The undisturbed soil of the saline-alkaline grassland had the characteristics of hard soil, poor permeability, weak preserving water capacity, and the inhibition for the growth of the grass and the crop, so the produced potentiality of the crop did not adequately play.

盐碱化草原的原状土土壤坚硬而密实，土壤通透性差，涵养水分能力弱，对牧草和作物的生长发育具有抑制作用，作物的产出潜能也不能得到充分发挥。

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Undisturbed soil and remolded soil are the two fitting methods of saturated cohesive soil model.

在离心模拟试验技术中,土性的模拟十分重要,饱和粘性土模型有原状土及重塑土两种拟合方法.

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Design and Application of A New Hand-operated and Verticle-pressured Undisturbed Soil Sampler

新型直压式手动原状土取土钻设计、性能分析及其应用

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And the reason that the value of calculating settlement was not accurate was indicated. Secondly, a comparatively systemic summary about undisturbed soil tangent modulus method was made.

接着，对原状土切线模量法进行了系统的总结，并对其计算参数的取值进行了分析研究。

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Based on undisturbed soil tangent modulus method, a new practical settlement calculation method for rigid-pile composite foundation is proposed.

基于原状土切线模量法，对刚性桩复合地基的沉降计算提出一种新的沉降计算方法。

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Comparison Analysis of Solute Transport Breakthrough Curve ( BTC) Parameter in Disturbed and Undisturbed Soil

均质与非均质饱和土壤溶质穿透曲线（BTC）的比较分析

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