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平均固结
相关语句
  average consolidation
    Adopting least squares method in evaluating average consolidation of soil foundation with vertical drains
    用最小二乘法确定竖井地基平均固结
短句来源
    4. By assuming that distortion is coordinative and stress is in equilibrium at the interfaces of columns and soil in composite foundation and that the average consolidation degree in composite model was equal to the one in composite foundation, a three-dimensional composite model was established by effective stress analysis method. The corresponding finite element method is then developed for consolidation analysis of composite foundation.
    4.在假定复合地基桩土间竖向和切向变形协调、应力平衡以及复合元模型的平均固结度与单桩轴对称复合地基的平均固结度相等的条件下,用有效应力分析法建立了三维复合有限元模型,提出了基于此模型的复合地基固结变形分析有限元法。
短句来源
    The formulas for computing mean and deviation of the average consolidation degree of double-layered soil are derived as vertical coefficient of consolidation submitting to Gamma distribution.
    随着竖向固结系数的变异系数的增大,平均固结度的概率特性对竖向固结系数分布概型的敏感性由弱变强。
短句来源
    In nonlinear consolidation, especially for layered soils, the average consolidation degree defined by settlement, Us is greater than the one defined by effective stress, Up, i.e., the rate of the development of settlement is greater than that of the dissipation of excess pore water pressure.
    对于非线性固结,特别是成层地基,按沉降定义的平均固结度U_s大于按有效应力定义的平均固结度U_p,即沉降发展速率要快于超静孔压消散的速率。
短句来源
    By using the solutions, the approximate methods so far available for the computation of average consolidation degree of soft soil with partially penetrated vertical drains were compared and discussed in detail, and the consolidation characteristics of soft soil with partially penetrated vertical drains are investigated.
    基于本文解,通过编程计算,分析了单面和双面排水条件下未打穿砂井地基的固结性状,并对现有未打穿砂井地基平均固结度近似计算方法的精度和适用的范围进行了较为详细的讨论。
短句来源
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  “平均固结”译为未确定词的双语例句
    SENSITIVITY ANALYSIS ON AVERAGE ONE-DIMENSIONAL CONSOLIDATION DEGREE OF DOUBLE-LAYERED SOIL FOUNDATION
    双层地基一维固结平均固结度敏感性分析
短句来源
    Comparable Analysis of Different Definitions of Average Degree of Consolidation of Layered Soils
    成层地基固结性状中不同定义平均固结度研究分析
短句来源
    Two kinds of analytical relationship between Uσ and Uε are derived on basis of compression curve of hyperbolic and semi-logarithmic type respectively, and thence a method to predict the coefficient of consolidation for the in-situ soil from the settlement observation is proposed.
    本文采用双曲线型和半对数型的压缩曲线,推导出固结度U_σ和压缩度U_ε之间的两种解析关系,并提出从实测沉降过程推算现场土层平均固结系数的方法。 经工程检验,证明从双曲线型压缩曲线求出的U_σ和U_ε之间的关系优于从半对数型压缩曲线求出者。
短句来源
    These factors mentioned above are taken into consideration for nonlinear consolidation analysis of ground with sand drains.
    (6)、将本文理论应用于工程实际,提出了基于本文理论的实用砂井地基设计方法,以及根据现场实测资料确定砂井地基平均固结度的方法。
短句来源
    penetrability and the change of reference stress(initial stress) along the different depth. Establish a one-dimensional non-linear rheologic consolidation equation by using improved model. Based on the principle of iterative and general analytical solution for one-dimensional consolidation of layered soils, solution of semi-analyticaly method has been developed herein for elastic-viscoplasty consolidation problem of layered ground.
    (2) 对Yin & Graham时间线模型进行修正,提出参考应力即初始有效应力随深度变化,修正后模型考虑荷载、土渗透性及初始有效应力随深度变化,用修正后Yin & Graham模型建立软粘土非线性流变一维固结方程,运用多层地基一维固结解析解和叠加原理推导出成层地基一维弹粘塑性固结问题半解析解,得出地基平均固结度、某时刻地基沉降及总沉降计算表达式。
短句来源
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  average consolidation
Average consolidation time 77.1 days; completion of treatment 145.6 days.
      
Average consolidation time 21.8 days; average completion of treatment 46 days.
      


In this paper, Laplace transformation, initial parameter and matrix method are used to solve one-dimensional consolidation problems of layered systems and general representative solution has been Obtained. For double layer's subsoil calculation formulae are presented. A numerical example is given which approximately agrees with results from finite difference method. From numerical calculation it is shown that the method using a weighted average consolidation coefficient will result in significant error. For...

In this paper, Laplace transformation, initial parameter and matrix method are used to solve one-dimensional consolidation problems of layered systems and general representative solution has been Obtained. For double layer's subsoil calculation formulae are presented. A numerical example is given which approximately agrees with results from finite difference method. From numerical calculation it is shown that the method using a weighted average consolidation coefficient will result in significant error. For sand-drained subsoil, when the sand-drains do not penetrate through the whole soft soil, it is suggested that an equivalent consolidation coefficient may be obtained by means of transforming the three-dimensional consolidation problem into one-dimensional, then calculation is made according to one-diensional consolidation of double layers, so that the continuity problem of pore pressure on the interface between double layers may be solved rather rationally.

本文提出了应用拉普拉斯积分变换、初参数法以及矩阵法来求解多层地基的一维固结问题,得到了任意多层地基的通用解法。对于双层地基,给出了汁算固结度的公式,并举出算例,与有限差分法结果作了比较,十分接近。通过训计算发现习惯采用的加权平均固结系数法会导致较大的误羞。最后,对于未贯穿的砂井地基,建议先对砂井范围地基的三维固结计算一维化,求出等效的竖向固结系数,然后同砂井以下地基一起按双层地基一维固结理论进行计算,从而化较合理地解决了双层地基接触面上孔隙水压力的连续性问题。

In the theorteical reserch field of the three dimensional consolition in soft soil foundation, although a solution to this compound problem has been given by R.A.Barron with the help of the three dimensional parabolic equation under the 2nd type boundry condition, [(l), (2), (3)], yet regretfully, it has not sufficient accuracy. This paper points out the shortage of the Barron's solution and gives an accurate solution to this problem through 1st and 2nd type Bessel function. At the same time, the definiteness...

In the theorteical reserch field of the three dimensional consolition in soft soil foundation, although a solution to this compound problem has been given by R.A.Barron with the help of the three dimensional parabolic equation under the 2nd type boundry condition, [(l), (2), (3)], yet regretfully, it has not sufficient accuracy. This paper points out the shortage of the Barron's solution and gives an accurate solution to this problem through 1st and 2nd type Bessel function. At the same time, the definiteness of the solation is shown。 The author presents the advanced transcendental equation J_o(x)Yj (kx)-Ji (kx) Yo (x)=0, accompanied by a method of solving the /fro point, when k>l. Finally, by using this result, the average degree of consolidation in soft soil foundation can be easily obtained.

在软土地基三向固结理论研究中R·A·Barron给出了二类边界条件下三维拋物型方程混合问题的解(见[1],[2],[3]),但这个解是不准确的。本文一方面指出B·A·Barron解的问题所在,另一方面用一、二类Bessel函数求出了该问题的精确解,指明了解的适定性,给出了高级超越方程J_o(x)Y_1(kx)-J_1(kx)Y_o(x)=0当k<1时的零点求法;最后利用所得结果求出软土路基的平均固结度。

In routine design of sand drains, mean consolidation degree and mean strength increase are estimated, using only horizontal coefficient of consolidation. In this paper, it is suggested to compute consolidation degree at any time at any depth of subsoils by use of three dimensional consolidation theory. It was shown that the results estimated by such appproach are more accurate. Some graphs for computation prepared with computer were presented. Finally, two illustrative example by means of such graghs were given....

In routine design of sand drains, mean consolidation degree and mean strength increase are estimated, using only horizontal coefficient of consolidation. In this paper, it is suggested to compute consolidation degree at any time at any depth of subsoils by use of three dimensional consolidation theory. It was shown that the results estimated by such appproach are more accurate. Some graphs for computation prepared with computer were presented. Finally, two illustrative example by means of such graghs were given.

排水固结法加固软基有垫层排水和砂井排水两类方法。采用的计算方法多数仅考虑地基加固层的平均固结度与强度的增长。砂井地基主要是考虑水平向排水固结,对竖向排水不予考虑或考虑竖向排水的平均固结度,故与实际情况有差异。本文改进为计算地基不同部位的任一深度和任一时间的固结度,更符合地基的实际情况。 籍助电算研制出简便的计算图表。对垫层排水处理海堤软基与排水砂井处理深水防波堤软基两项工程,进行计算,并与实际观测资料作比较,结果表明,两者较为接近。

 
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