将模糊随机可靠度理论应用于边坡的稳定分析,建立了基于几何法计算广义可靠指标的数学模型。
A geometry based mathematical model is established for the calculation of reliability index by use of the fuzzy random reliability theory for slope stability analysis.
也有利用可靠度理论分析边坡结构可靠性的研究报告,但目前其研究成果还不够成熟。
Some research results about using reliability method to analyze the slope stability are also reported, but these research are not mature enough at present.
本文探讨了以概率统计理论为基础得边坡分析方法,在边坡土体的参数确定和可靠度分析方面取得了一些具有理论和现实意义的成果。
So the method has some subjectivity features. The analysis method for slopes based on the statistics and probability theory is researched in this paper.
分析了在应用有限元强度折减法计算土质边坡稳定安全度时,屈服准则对计算结果的影响。
In computing safety degree of the soil slope stability by nonlinear FEM strength reduction method, the influence of yield criterion on the calculation results is analyzed.
PAM覆盖度不同,坡长对侵蚀产沙过程的影响也不同。
The effect of slope length on erosion sediment is different at different PAM coverage.
给出的应用实例,其评价结果与实际情况一致,说明边坡稳定性灰色关联度分析法的有效性。
The evaluation result of the given application example conforms to the actual condition, which indicated the validity of grey correlation method in slope stability analysis.
提出了一种应用可靠度理论进行边坡稳定性计算的实用方法。
A practical method is put forward to carry out slope stability computation by applying the reliability theory.
微栖息地的主要特征是坡上位、坡度小、郁闭度较高;
The characters of microhabitats are up the slope and small gradient.
针对当前边坡加固工程抗滑桩可靠性计算中存在的考虑因素偏少的问题,提出了抗滑桩体系可靠度的概念及其计算模型。
Factors contributing to the uncertainty in safety of anti-slide pile are analyzed with theory of System Engineering and models for anti-slide pile systems are constructed and classified.
为保证面板的质量,对砂石骨料、水泥、外加剂和坡面平整度、侧模安装质量及混凝土的塌落度等进行了严格的控制。
To ensure the quality of the deck, the quality of sand gravel aggregate, cement, additives, leveling of slope face and erection of lateral forms, and the collapse degree were controlled strictly.
然而,目前边坡工程可靠度分析中,有关各种服务期边坡可靠性的衰退,还没有得到明晰的考虑。
The effect of deterioration on the reliability of slopes of various periods of service, however, has seldom been considered explicitly in the current reliability approach in slope engineering.
随着边坡稳定性研究的深入,可靠度已取代稳定性系数成为边坡安全性评价的指标。
Along with the deep study on slope stability, taking the place of stability coefficient, degree of reliability has become an index of evaluating slope security.
通过对坡印亭矢量的散度的分析,阐明了电机气隙中径向能流和切向能流的变化和传递。
The variation and transmit of the radial and tangential energy flow in the air gap of electrical machines are illustrated by analyzing the divergence of Poynting vector.
依据结构可靠度设计理论,提出边坡稳定验算的概率统计方法。
According to the design theory of the structure reliability, this paper presents the probability statistical method of the checking calculation of slope stability.
对于坡面上的矿渣堆,在饱和度一定的情况下,底床坡度愈大,愈易起动。
For the slag on the slope, when the saturation is certain, as long as the slope gradient is large enough, the slag will be able to start and form debris flow.
坡位影响环境因子在空间上的分布状况,与海拔共同营造物种生存的小生境,形成群落多度格局。
Slope position affects the spatial distribution of environmental factors, and with the altitude together, builds species existent small habitats and shapes the community abundance patterns.
边坡稳定一阶可靠度分析的常用方法是验算点法,该方法在求解可靠指标时需要进行迭代计算。
Design point method, in which the iterative calculation is needed to computer the reliability index, is usually used for first-order reliability analysis of slope.
以岩质边坡平面滑动破坏模式为例证明随机响应面法在边坡可靠度分析中的有效性。
An example of reliability analysis of rock slope stability with plane failure is presented to demonstrate the validity and capability of the proposed SRSM.
算例和工程实例表明,通过可靠度指标可以对三维边坡的稳定性从失效概率方面加以解释说明。
It was indicated that the three-dimensional slope stability could be explained by the failure probability through the reliability index.
协方差分析表明,海拔和坡位都没有对辽东栎林的群落多度格局产生显著影响。
Covariance analysis suggested that both slope position and altitude had no significant effects on the species abundance patterns of Quercus wutaishanica community in the study area.
该程序操作简便,适用于多岩土层非均质任意形状滑裂面边坡稳定分析,具有边坡稳定确定性分析和逆可靠度分析两大功能,便于计算结果的比较分析。
The program can use the inverse reliability method and Limit equilibrium method to evaluate stability of slope with multilayer and arbitrary slip surface. It facilitates comparison of results.
结合可靠度分析可以进一步确定坡体状态以及确定影响边坡稳定的主要因素。
Reliability analysis can be combined to further determine the slope to determine the impact of state and a major factor in slope stability.
草地坡面的平均输沙率及坡面流速随草地盖度的增大而减小,而盖度对草地坡面径流量的影响则不明显。
The average sediment yield rate and flow velocity decrease with the increase of coverage, but the influence of coverage on runoff is not remarkable.
本文针对淠河总干渠(城区段)边坡这一实际工程引入了安全系数和可靠度相结合的双重指标体系分析方法进行稳定分析,得出了较为全面的结论;
This paper has come to some comprehensive conclusions on the basis of the practical use of this double-index evaluation method in the slope of Pishihang Channel.
通过对雪峰露天矿山顺层岩质边坡的岩体结构力学参数进行分析,应用响应面法计算边坡可靠度,结果与实际情况基本相符。
Based on the analysis of physical and mechanical parameters of bedding stratified rock slope of Xuefeng open pit, the rock slope reliability is calculated by the response surface method, th...
通过对雪峰露天矿山顺层岩质边坡的岩体结构力学参数进行分析,应用响应面法计算边坡可靠度,结果与实际情况基本相符。
Based on the analysis of physical and mechanical parameters of bedding stratified rock slope of Xuefeng open pit, the rock slope reliability is calculated by the response surface method, th...
应用推荐