砂土

shā tǔ
  • sand;sandy soil
砂土砂土
砂土 [shā tǔ]
  • [sandy soil] 含砂质的土壤;由百分之八十以上的沙和百分之二十以下的粘土混合而成的土壤

砂土[shā tǔ]
  1. 砂土比贯入阻力Ps与相对密度Dr的关系

    Relationship between sandy soil specific penetration resistance P_s and relative density D_r

  2. 用归一化标准贯入N值估算砂土的相对密度

    Estimation of relative density of sandy soil by normalized SPT - N blow count

  3. 园锥动力触探试验N(63.5)判别饱和砂土液化问题的研究

    Cone Penetration Test N_ ( 63.5 ) on Determining the Liquefaction of Saturated Sandy Soil

  4. K0固结-CTC路径下砂土的弹塑性模型

    Elastoplastic Constitutive Model of Sand under K_0-CTC Stress Path

  5. 深部砂土三轴高压卸载结构变化的CT研究

    A study on the structural change of a deeply-buried sandy soil in triaxial high pressure unloading test by CT technique

  6. 基于MonteCarlo模拟的砂土液化评估研究

    Evaluation of sand liquefaction based on Monte Carlo simulation

  7. 加筋风砂土抗拔试验研究(II)&抗拔载荷能力计算分析

    Uplift test study on reinforced aeolian sand ( ii ) & analysis and calculation of uplift bearing capacity

  8. 砂土EPS颗粒混合轻质土的最优击实含水率

    The optimum moisture content of sand EPS beads mixed lightweight soil

  9. 添加麦秸杆可以降低Cd在土壤中向下迁移的能力,降低幅度黏土大于砂土。

    Wheat straw reduced the cadmium migrated ability which in clay soil was greater than in sandy soil .

  10. 砂土液化评价的ExcelVBA开发

    The Development of Sandy Liquefaction Evaluation with Excel VBA

  11. 在介绍标准贯入N值归一化研究成果的基础上,提出了用归一化标准贯入N值估算正常固结砂土相对密度的方法。

    Based on the research of normalization of SPT - N , a method to estimate the relative density of normally consolidated sandy soils is proposed .

  12. 结果表明:滨海风砂土的磷酸吸收系数最小,每100克干土固定P2O5的量小于100mg;

    Results of analysis showed that PAC in coastal eolian sandy soil was minimum , for every 100 g.

  13. 通过盆栽试验,研究了吉林省稻砂土中水稻对Cu的单元及复合污染时的吸收累积规律。

    A pot experiment was conducted to study accumulation Cu as either single or complex pollutants in rice grown in a sandy loam soil .

  14. 不同水分条件下粗砂土剖面中目标物的GPR图像特征及其解译

    Ground Penetrating Radar Image Characteristics and Interpretation of Gritty Soil Under Different Water Conditions

  15. 用MonteCarlo随机模拟方法模拟砂土颗粒在重力作用下,在圆柱与长方体容器中的自然堆积过程。

    The natural packing structure of sand grains under gravity within cylindrical and cuboidal container has been simulated using Monte Carlo method .

  16. 通过饱和塔克拉玛干沙漠砂的三轴试验结果,表明了H在描述砂土应力应变特性上的适用性。

    The validity of unified hardening parameter H on describing the stress-strain properties of sands was confirmed by the triaxial test data of saturated sand from Taklamakan desert .

  17. Kriging法在大区域场地砂土液化范围判别中的应用研究

    Application Study of Kriging Method in Identification of Liquefaction Locality for Large Sandy Ground

  18. 运用Crisp程序,对饱和砂土中的打桩效应进行有限元分析。

    A finite element analysis on pile-driven influence in saturated sands is carried out with Crisp program .

  19. 对此,本文根据对真实地震波输入情况下饱和砂土动力特性进行分析,探讨了Seed理论的适用性以及局限性。

    In this regard , the paper based on a real case of seismic wave analysis of dynamic characteristics of saturated sand to verify the applicability of the theory Seed .

  20. SBR乳液改性砂浆与水泥基体界面粘结性能土压平衡盾构改性砂土流动特性的离散元模拟

    The bonding performances between SBR modified cement mortar and substrate DEM simulation of flow property of conditioned sand in EPB tunneling

  21. 进而通过系列载荷试验,研究了粉砂土中PHC管桩的单桩竖向极限承载力随休止期的变化规律及时间效应。

    The law of ultimate bearing capacity changing with repose period and the time effect are also studied .

  22. 根据支持向量机线性分类和可以具有不同核函数的非线性分类两种算法,建立了砂土液化预测模型,并且运用Matlab语言编写了程序。

    Models for sand liquefaction prediction were established according to the linear classify algorithm and the nonlinear classify algorithm of SVM , and a program was compiled in language Matlab .

  23. 结果表明Kriging方法适用于砂土场地液化势及其它岩土参数的空间估值。

    The results indicate Kriging method is suited for spatial estimation of liquefaction potential and other geotechnical parameters .

  24. 本文主要针对WES牵引性能预测系统在砂土上的应用进行了考察,首先用试验的方法阐明了圆锥指数在砂土上应用的正确性。

    This paper is aimed to research the application of WES tractive performance prediction system .

  25. 针对SeedIdriss给出的砂土平均曲线,计算了均匀密砂的非线性地震反应。

    Afterwards , a nonlinear analysis procedure is presented and numerically implemented for evaluating seismic response of homogeneous sand .

  26. 研究表明,在实验条件下,粉砂土和亚砂土的纵向弥散系数分别为0.175和0.0093cm2/min;

    The results indicate that the longitudinal dispersion coefficients ( D ) in silty sand and sandy loam are 0 . 175 cm2 / min and 0.0093 cm2 / min respectively .

  27. 利用BP网络模型在解决砂土液化评价这类非线性问题方面的优势,选取不同的参数组合,建立不同的砂土液化判别BP神经网络模型,并根据现场实测资料进行比较分析。

    Taking the advantage of BP neural network in solving nonlinear problems such as sand liquefaction , different BP neural network models for liquefaction differentiation are established based on different combinations of the input neurons .

  28. 测试结果表明,应用RBF网络模型对砂土液化进行预测,预测效果好,识别精度高。

    The testing results show that RBF network model for predicting sands liquefaction potential can become a new effective assessment model with better prediction results and higher recognition precision .

  29. Cd进入土壤后会随着水分流动向下迁移,砂土中的迁移能力大于黏土,随着土壤深度的增加Cd含量逐渐减少。

    Cadmium entered into soil and removed downward with water flow and the cadmium migrated ability in sandy was greater than clay . With soil depth increasing , cadmium content became less and less .

  30. 结果表明,3种土壤Se含量均偏低,尤其是长江沉积物发育的砂土属于贫Se土壤。

    The results showed that Se concentration of the tested soils is relatively low and the soils derived from sediments of Yangtze River fall in category of that for low-Se soils .