By the wet shear displacement and vertical deformation curve changes with time comparative analysis of the shear stress level consolidation pressure and the amount of humidifying water wet shear displacement and vertical deformation of the impact of evolution .

得到了湿剪位移和 竖向变形随时间的变化曲线，对比分析了剪应力水平、 固结压力和增湿浸水量对湿剪位移和竖向变形演化规律的影响。

Because of the advantages of prefabricated strip drain over other vertical drains this technology is widely used in recent soft clay foundation improvement in our country and it has been a main method in drainage consolidation methods .

由于塑料排水板与其它 排水体相比具有诸多优点，近几年来在国内软粘土地基处理中被广泛使用，塑料板排水堆载预压法成为排水 固结法中最主要的方法。

For the prefabricated vertical drain ( PVD ) ground most analytical solutions of consolidation are very difficult to solve and too many parameters are involved in the solving process .

采用塑料 排水板（PVD）加固地基存在 固结解析解求解过程复杂且参数繁多的缺点。

Influence of Spaces between Prefabricated Vertical Drains upon Time of Consolidation of Soil Improved by Vacuum Preloading

塑料 排水板间距对真空预压 加固时间的影响

The probabilistic characteristics of consolidation of sand drained foundation are highly sensitive to the uncertainty of horizontal consolidation coefficient but they are not sensitive to the uncertainty of vertical consolidation coefficient .

砂井地基固结的概率特性对于水平 向固结系数的不确定性比较敏感，而对于 竖向 固结系数的不确定性不敏感。基于参数的敏感性分析，提出了砂井地基固结概率设计的简化分析方法。

Furthermore the effects of vertical consolidation radial consolidation and sand drained foundation on the sensitivity of uncertainty are investigated .

竖向 固结 系数与水平向固结系数间的互相关性对砂井地基固结的概率特性有一定程度的影响。

Equal strain solutions of radial and vertical coupled consolidation by vertical drains under arbitrarily distributed ground soil stress increase

任意附加应力下竖井径 竖向耦合 固结等应变解

The vertical and the horizontal coefficient of consolidation can be adequately modeled by either a lognormal distribution or a gamma distribution .

固结系数的概率分布一般为对数正态分布或伽玛分布。

Along with variability of vertical coefficient of consolidation rising the sensitivity of probability characteristics of average percent consolidation of double-layered soil to the variability of vertical coefficient is falling and the sensitivity of it to the variability of vertical coefficient is rising .

双层地基平均固结度的概率特性对 竖向 固结系数变异性的敏感性随着其变异系数的增大由强变弱；

The calculating model of consolidation defined by deformation for one-dimensional double-layered soil and the coefficient of vertical consolidation as a determinate variable with Gamma distribution were used to obtain the formulas of expectation and variance of average consolidation degree for double-layered soil .

采用以变形定义的双层地基一维固结的计算模式，将 竖向 固结系数作为不确定性变量，当其服从Gamma分布时，推导了双层地基一维固结的平均固结度均值和方差的计算公式。

As an efficient and economical method vertical drains have been widely used to improve soft soil and the related consolidation theories were well developed .

作为一种非常经济有效的 地基 处理方法，砂井（包括袋装砂井、塑料排水带等 竖向排水体）已被广泛的用于处理软土 地基，砂井 地基 固结理论也得到了很大的发展。

After the lime-flyash pile is simplified as sand drain according to the drainage theory of non-ideal vertical drain the consolidation characteristics of lime-flyash pile composite foundation is analyzed .

将石灰桩简化为砂井，参照非理想 竖井排水理论，对石灰桩复合地基进行了 固结分析。

Considering that deformation and seepage flow of foundation stabilized by vertical drains are three dimensional problem 3-D single drain FEM method is put forward for consolidation analysis of the ground with vertical drain wells under vacuum preloading .

考虑 竖井地基变形和渗流属于三维问题，提出真空预压作用下竖井 地基的三维单井有限元计算方法。

Secondly the impact of the variability of parameters with greater uncertainty or discreteness on the vertical drain ground consolidation is analyzed through statistical moment method .

其次，针对扰动效应引起的不确定性或离散性较大的参数，采用统计矩方法分析了参数的变异性对 竖井地基 固结度的影响。

The results indicate the distribution pattern of vertical consolidation coefficient influence greatly on the probability calculation of degree of consolidation .

分析结果显示 竖向 固结系数的分布类型对固结度的概率计算有较大的影响。

The variation rules of critical cyclic stress ratio vertical permanent deformation and pore water pressure with numbers of loading cycles and consolidation states are obtained .

得出了 饱和 软 粘土 地基的临界循环应力比和 竖向永久变形及孔隙水压力随加荷周数和 固结状态的变化规律；

The blasting test demonstrates that the horizontal stress wave contributes more to water drainage than vertical stress wave reducing water drainage distance is favorable to squeezing water and consolidation of soil the blasting powder amount influences test result greatly .

爆炸试验表明，水平向应力波对土体排水的贡献大于 竖向应力波，缩短排水距离有利于土体的排水 固结，炸药用量对试验有很大影响。

The conclusions are drawn based on the above mentioned experimental results as follows : the condition that vertical pressure ( σ 1 ) remains constant and lateral unloading ( σ 3 ) the stress-strain curve would change from strain hardening to strain softening with the increase of consolidation pressure .

试验结果表明， 竖向（σ1）压力不变，侧向（σ3）卸荷时，其应力-应变关系随 固结压力的增加，由应变硬化型向应变软化型转化；

Based on the Terzaghi consolidation theory and the Carrillo theorem the differential equations for vertical radial and total consolidation of gravel pile composite foundation under embankment are derived as well as their analytic solutions .

在Terzaghi固结理论的基础上，应用Carrillo定理建立了路堤荷载下碎石桩复合地基的径向、 竖向及整体 固结微分方程，并得出其解析解。

Based on Rosenbluth 's 2-point estimate method further research is done on the application of multi-point estimate method which is more accurate in the probablity analysis of the vertical drain ground consolidation .

在Rosenbluth两点概率估计方法的基础上，进一步研究了更为精确的多点概率估计法在 竖井地基 固结概率分析中的应用。

Generally it is believed that the bagged sand well works as a vertical drain channel which can accelerate the consolidation of soft foundation .

一般认为，袋装砂井主要作用在于可形成 竖向排水通道，加速软基的 固结。

The design value of vertical consolidation coefficient is adopted as the product of standard value times the design coefficient or equal to the product of average value times the design coefficient .

竖向 固结系数的设计值等于其标准值与设计系数的乘积，或者等于其均值与中心设计系数乘积。

It is suggested that the vertical drain consolidation method be applied to normal segments of the highway .

结合软 粘土 的 结构性，对一般路段采用的 竖井排水 固结法，提出了 结构性 软 土竖井 地基 固结 沉降分析方法。

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。