查询词典 safety arch

The methods introduced above are applied to the stability analysis of the Xiaowan high arch dam abutment and rock foundation. Thus, the deformation characteristics of the rock masses and the safety factors of the block combinations are obtained, which provide important data to the engineering design.

运用上述方法对小湾高拱坝的坝肩和坝基岩体进行了稳定分析，得到了正常工况下坝肩和坝基岩体的变形规律，以及各滑动岩块组合的强度储备安全系数，从而为工程设计提供了依据。

This paper gives a presentation of the 3－ D limit analysis method developed on the basis of the plasticity mechanics upper limit theorem for slope stability analysis, and of the stability safety factor of the Xiaowan arch abutment calculated using this method which could give stability analysis results conforming to the actual conditions.

本文首先介绍了一个建立在塑性力学上限定理基础上的边坡稳定分析三维极限分析方法，并使用这一方法计算小湾拱座的稳定安全系数，获得比较符合实际的稳定分析成果。

By dynamic stability analysis and calculation in means of FEM, the three-dimension data processing technique for arbitrary cross sections of solid masses was adopted, then the safety factor of the abutment of arch dam was provided using FEM, and corresponding programs was compiled.

采用有限元法进行动力分析计算，利用三维实体任意切面数据处理技术，提出了应用有限元法计算拱坝坝肩稳定安全系数方法，在此基础上完成了基于有限元法以坝肩动力稳定安全系数为目标的高拱坝优化设计程序。

It is concluded that the proposed method is feasible for damage identification and safety evaluation of the concrete-filled steel tube arch bridge.

研究的结果表明，本文所提出的方法对于长青桥具有很好的可行性和适用性，可以用于实际钢管混凝土拱桥的损伤判别和安全评估。

Taking the coal bunker chamber of Tuzhu Mine as a case, the stability coefficient was calculated that of the surrounding rock with theory of loose ring and combined arch theory, the both results of calculations were higher than 1.1, the design parameters of bolting and grouting support coincidence the requirements of surrounding rock s stability and safety was proved.

以土朱矿井煤仓硐室为例，运用松动圈理论和组合拱理论分别计算了硐室围岩稳定性系数，2种理论计算得到硐室围岩稳定性系数均大于1.1，证明了锚杆注浆联合支护设计参数符合硐室围岩安全稳定的要求。

The result showed that the approach was highly potential and practical in assessing the safety of long-span concrete-filled steel tube arch bridge.

通过工程实例验证，评价结果较好地反映了桥梁结构的安全性状况，证明了该评价方法的可行性与实用性。

It can affect the safety of the arch dam, so steel bars are needed near the orifice.

传统的配筋方法是采用弹性理论计算孔口周围的应力分布，用应力图形法进行孔口的配筋计算。

There are two methods to evaluate the safety of arch dam, such as overload method and synthetic method.

采用三维非线性有限元，以累积自重和设计水压为基本荷载，利用超载法和部分的超载、强度降低的综合法分析了某高拱坝的失稳破坏过程，得到其整体安全系数和破坏特征。

The limit analysis method for engineering structures is applied to calculate the holistic safety factor of high concrete arch dam.

采用工程结构极限分析方法，利用已有的有限元计算程序并结合数学规划方法来推求拱坝的整体安全系数。

This text has proposed being in the evaluation approaches of the safety of CFST Arch Bridge based on RBF network, applied this approach to the project instance and made certain achievement.

具体做了以下主要工作： 1、本文在现有桥梁安全性评价的基础上，深刻阐述了桥梁安全性评价的内涵。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。