原状土样质量在工程勘察中是极为重要的。
The quality of undisturbed soil sample plays an important part in geotechnical investigation.
原状土的结构性对它的力学性质影响显著。
The mechanical characteristics of natural soils are significantly affected by their structure.
大坝建成后的坝体原状土样属于非分散性粘土。
After the dam was completed, the undisturbed soil samples from the dam were non-dispersive by some experiments.
在大庆地区采取了千余个季节冻土的原状土样进行室内融化压缩试验。
Thaw consolidation tests were conducted on more than 1000 undisturbed seasonally frozen soil samples in laboratory.
实验用的非扰动原状土柱取自地下研究设施内的含水层，实验用水为地下水。
An undisturbed soil column and the water used in the test were taken from the aquifer in the Facility.
对两侧原状土样进行粒度成分测试和微观结构观测，并利用分形理论进行分析。
The grain size analysis and microstructure observation of the undisturbed soil samples from both sides of the road were made, and the fractal theory was used to analyse the soil sample.
针对原状土样和重塑土样在脱湿或加湿过程中无侧限抗压强度的变化进行了研究。
The unconfined compression strength of the undisturbed and remolded specimens are studied in the conditions of the dehydration or adding moisture content.
原状土的抗剪强度与含根量呈正相关，并以此建立关于原状土的抗剪强度回归模型。
Shear strength of undisturbed soils has positive correlation with root content, and relevant regression models about undisturbed soil were established.
模型的计算参数共有9个，可以方便地通过原状土的有侧限和无侧限压缩试验测定。
This model contains 9 parameters which can be easily determined by conventional both confined and unconfined compression test.
测定表明，有机物料能明显改善土壤的结构性和孔隙性，降低原状土核的破裂系数。
Results showed that the soil structure and porosity were markedly improved and the rupture modulus of soil core were decreased by application of organic materials in clayey soil.
并采用乙炔抑制原状土柱培养法 ，对土壤由湿变干和由干变湿过程中N2O变化进行了模拟。
Meanwhile intact soil cores C2H2 incubation test was performed in the lab to study influences of wet and dry alternated on the N2O emission so that further to explain the field results.
原状土的饱和导水率能反映田间的实际情况，对研究土壤水分平衡和水土保持有极其重要的意义。
The saturated hydraulic conductivity of undisturbed soil can represent the really case in the field and is significant to study soil moisture balance and soil water conservation.
采用原状土柱进行模拟淋溶实验，比较研究了模拟酸雨和几种低分子量有机酸对红壤交换性盐基的影响。
Effects of leaching with simulated acid rain and low molecular weight organic acids on exchangeable bases of red soil were investigated using undistributed soil columns.
另外，将原状土和循环三轴试验破坏后两种状态的土样作了对比，从微观的角度解释了土体的变形机理。
Besides, the deformation mechanism of the soil is explained from the microscopic aspect based on the contrast of the undisturbed sample and the failure sample by cyclic triaxial test.
本文将这两种状态粘土浸泡不同溶液后进行试验研究，探讨不同温度环境下原状土和重塑土的力学效应。
The two kinds of clay soil, after soaked in the different solution, were experimented to study their mechanical effect under different temperature environment.
铜矿石的开采使原状土与回填土呈现明显的电性差异，这为应用地质雷达调查古采矿遗址提供了物性依据。
The obvious electric difference between backfill in exploited tunnel and original soil forms an important physical basis for application of georadar to investigating remains .
研究表明：重塑土的最大干密度比原状土的最大干密度大，而重塑土的最优含水率则比原状土的最优含水率小；
The studies show that the maximum dry density of remolded red clay is generally greater than that of undisturbed red clay;
本文结合琅琊山抽水蓄能电站下库库区原状土起动流速试验，对以往所采用的粘性泥沙起动流速公式进行了讨论。
In this paper, the formulas of starting velocity on cohesive sedimentation are discussed, combined with experiments of natural cohesive sedimentation in Lang-ya Mountain Pumped Storage Power Station.
分别采制上述不同土壤类型或林型下的土壤表层和表下层的原状土祥，制取土壤薄片，进行土壤微形态学比较研究。
Undisturbed soils samples obtained from surface and subsurface soil layers under different forests were used to make thin sections and study micro-morphological characteristics.
从土体极限应力状态线所致的各向异性出发，结合原状土的力学特性，给出了原状土的应力空间、应力增量变换公式。
Based on the anisotropy induced by the critical state line, the idea of transformation of stress space is presented.
通过不同方向切样的原状土试验结果对比，反映了原状土体存在明显的各向异性，结构性引起的各向异性在应变越小时越明显。
Through the comparison of test results of natural soil samples cut from different direction, the anisotropy of natural soils which becomes obvious as strain decreases is illustrated.
径流和土壤是引起水土流失的两个基本因子，采用原状土冲刷法和实地放水冲刷法对北京市八达岭林场油松林地进行土壤抗冲性研究。
The anti-scouring feature of forest land soil was examined by using the undisturbed soil sample washing experiment and the spot washing experiment.
粘土冻融后无侧限抗压强度是原状土的1/ 3～ 1/ 2 ，灵敏度降低，其结果对冻结法向市政岩土工程的应用推广具有重要意义。
The unconfined compression strength of thawing clay significantly decreases, reaching 1/3~1/2 of the original. To apply the frozen method to municipal rock engineering has bright foreground.
采用在原料土中掺入微量普通硅酸盐水泥的方法制备具有不同胶结强度和初始孔隙比的结构性土样，模拟天然结构性原状土的受力变形性质。
Applying the method of mixing some ordinary portland cement into soil sample, structrued soil with different cemented strength and initial void ratio is.
某地下车站工程施工时，遇到原有建筑的桩基础需拔除，采用全回转设备清除地下障碍物具有对地下原状土破坏小、基本不扰动地下土体的优点。
It is of some advantages to use full-rotating equipment to clear underground obstacles such as little destructive effect for undisturbed soil and no disturbing the underground soil body.
为了模拟并行隧道分步开挖和并行开挖两种方式即在不同应力释放程度下的实际变形究竟有多大差别，本文针对重塑粉土和原状土进行了不同剪切路径下的变形特性试验研究。
To simulate the difference of deformation of multi-step excavation and simultaneous excavation in double metro tunnels, a group of remoulded soil and undisturbed soil test has been carried out.
采用剪切波速与振动三轴联合试验装置，研究了具有松散结构的原状和重塑饱和粉土抗液化强度之间的相关性。
The correlation between cyclic liquefaction resistance of undisturbed and remolded saturated loose silts was studied using the cyclic triaxial apparatus with measurements of shear wave velocity.
对原状江苏海相软土样进行一维压缩和蠕变试验研究。
One-dimensional compression and creep tests on undisturbed soil samples of Jiangsu Marine clay were performed.
利用原状回填土渗漏池研究了油菜生长季节氮素在紫色土中的移动特点和淋洗损失以及影响氮素移动和淋失的因素。
We studied transference properties and leaching loss of nitrogen in purple soils during the growth period of wheat with percolation pond. Also the factors affecting them are researched.
利用原状回填土渗漏池研究了油菜生长季节氮素在紫色土中的移动特点和淋洗损失以及影响氮素移动和淋失的因素。
We studied transference properties and leaching loss of nitrogen in purple soils during the growth period of wheat with percolation pond. Also the factors affecting them are researched.
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