The stability factor of tunnel face decreases due to the existence of seepage forces, but the slurry pressure in the shield cabinet benefits the face stability. 土中渗透力使隧道开挖面稳定性系数减小,但盾构压力舱内的泥水压力有利于隧道正面的稳定。
An analysis is made of seepage forces around shield under river by finite differential method and the stability factor of workface with regard to seepage effects is deduced. 基于地下渗流基本方程,采用有限差分法对江底隧道盾构施工中产生的周边渗透力进行了分析,并推导了渗流条件下盾构正面稳定的判别公式。
United boasts a3-year earnings stability factor of4 on a scale of1 ( most stable) to99. 联合公司三年盈利的稳定因素为4,规模因素从1(最稳定的)到99。
Effect of cohesion on evaluating slope stability factor of safety by DDA method DDA法计算边坡安全系数的黏聚力影响分析
Evaluation of Slope Stability Factor Based on Cellular Ant Algorithm 基于元胞蚂蚁算法边坡安全系数计算
This is a short-term stability factor, however, and, because elasticity is a relative concept. 然而,这是一种短期的稳定因素,因为弹性是一个相对的概念。
The paper has a study on the relationship between the stability factor reduction of the slop and the variation of displacement rate. 研究了边坡稳定系数衰减与位移速率变化两者间的关系;
Then the limit stability analysis method is used to calculate the stability factor of safety of the blocks cutting by the fault and bedding layers. 用极限分析方法,计算了断层、层面等结构面切割形成的块体的抗滑稳定安全系数。
This article defines a stability factor and a standard network delay to quantify and evaluate the impact of congestion on spanning trees in Peer-to-Peer ( P2P) networks. 该文定义了稳定性因子和标准化网络延迟来量化和评估对等网络环境中拥塞对扩展树性能的影响。
The determination of the critical slip surface and the corresponding stability factor. 最危险滑动面及其稳定系数的确定。
Taking example for line source, effects of stability factor on absorbing boundary capability and numerical stability were studied. 推导了含有稳定因子的二阶Mur条件修正式,并以线源为例研究了稳定因子对吸收边界性能以及数值稳定性的影响。
The protocol chooses the QoS routing path based on dynamic delay restriction and link stability factor. 该协议基于动态时延约束和链路稳定因子来选择QoS路由。
Two methods of judging the driving stability of AFV were presented: the eigenvalue method and the method of steady response under constant input, and the expressions of stability factor and critical vehicle speed were derived. 给出了铰接式车辆行驶稳定性的两种判别方法:特征值方法和时不变输入下稳态响应方法。给出了稳定性因数表达式和临界车速计算方法和公式。
In this paper we investigate almost sure stability and instability of stochastic Hopfield neural networks, Some sufficient conditions about almost sure stability and instability are established. W: stability factor; 本文讨论了随机Hopfield神经网络的稳定性和不稳定性,给出了几乎指数稳定性和几乎指数不稳定性判定条件。W&稳定性指数;
This paper has proposed a method of calculating the restoring and supporting forces of a centrifugal governor and derived some formulas for analysing and calculating the stability factor, statically indeterminate speed and speed droop. 本文提出了调速器恢复力和支持力的计算方法,并导出了便于分析和计算的稳定性因素、静不定转速和不均匀度公式。
This paper will describe and compare three static rollover threshold estimation metrics: Static Stability Factor ( SSF), Side Pull Ratio ( SPR), and Tilt Table Ratio ( TTR). 本文将阐述和比较三种静态侧翻限值的评估度量参数和测试方法:静态稳定系数(SSF)、侧拉比例系数(SPR)和侧倾试验台比例系数(TTR)。
The stability factor of retaining walls is analyzed with the finite element and slip circle method, which is based on the results obtained by static and dynamic FEM. 根据分析所得的动、静应力分量,采用有限元与圆弧滑动法相结合的有限元一圆弧法,分析了挡土墙的抗滑稳定性。
The analysis result shows that the stability factor of the bridge deceased significantly when the nonlinear behavior of material is considered. 通过该桥的几何与材料非线性有限元分析,比较精确地求得了该桥实际的稳定系数,结果显示基于几何和材料非线性下的稳定系数要比线弹性分析和几何非线性分析结果有较大下降。
With raining model and evaporation model, unsaturated-unsteady seepage analysis was used to calculate pore pressure of the case slope, and Bishop Equilibrium balance method with total cohesion was used to calculate the stability factor of the case slope. 采用蒸发和降雨模型对边坡进行非饱和-非稳定渗流分析,用总凝聚力表示的Bishop极限平衡法计算边坡安全系数。
The aim is to at find out the changing pattern of stability factor of the high fill embankment by applying different calculate method, and comparative analysis with different input of seismic wave and earthquake intensity. 研究用不同的计算方法,输入不同的地震波和地震烈度,同时结合路堤有关参数的变化,找出高填土路堤边坡稳定系数的变化规律。
By the analysis of evenness and dominance, the most stability factor is woodland, and the most importance utilize mode is crop land. 通过均匀度和优势度的分析,林地是最稳定的因素,耕地是最重要的利用方式。
The following conclusions can be obtained through the above research: ( 1) The stability factor of embankment is between 1.127~ 1.666 from stability calculation about coastal freeway. 通过以上研究,可以得到以下几点结论:(1)通过对沿海高速公路进行了稳定性计算,路堤系数在1.127-1.666之间。
Finally, the B-FOG beat frequency stability factor is analysed. 最后,分析了影响B-FOG拍频稳定的因素。
By using this inversion, the sliding mechanism, global stability factor and the distributions of cracks must be satisfied simultaneously, and then the corresponding strength parameters are the reasonable inversion results. 最终,本论文总结了一个基于滑动机理分析的强度参数反演方法。反演结果需要同时满足滑动机理、裂缝分布和整体安全系数等要求,相应的强度参数才是合理的结果。
Firstly, the calculation formula of the safety factor on toppling stability in condition of extreme snow disaster was derived, and also the expression of sliding stability factor for the classic rock slope subgrade. 推导了典型岩石边坡路基在极端冰雪条件下倾覆稳定系数和滑移稳定系数的表达式。
The variation of frequency spectrum, amplitude and phase of blasting vibration could be taken into account in the method proposed. The dynamic stability factor varying with time is obtained. 该法综合考虑了爆破震动的频谱结构、幅值和相位角的变化,可以得到边坡爆破震动稳定安全系数随时间的变化规律,较好地反映了边坡稳定性在爆破过程中的变化历程。
And proceeding the stability analysis of finite element model of the construction phase, we obtained its capacity limit and stability factor of safety factor under various construction conditions. 并对施工阶段有限元模型进行了稳定性分析,得出其施工阶段各种工况下的承载力极限值与稳定安全系数。
Combining with an engineering example, the dynamic stability factor of the slope was calculated through the pseudo-static method, dynamical finite element slope safety factor time history methods and complete dynamic analysis method. 结合一工程实例,分别用拟静力法、有限元安全系数时程分析法和完全动力分析法求解边坡的动力安全系数,根据计算结果提出了几种合理的评价边坡动力稳定性的方法。
All other slope stability factor is greater than the factor of safety and in a stable state. 其它所有滑坡体的稳定性系数均大于安全系数,处于稳定状态。