Durability analysis technology and application when loading spectrum is altered;
提出一种应用分形理论分析挖掘机载荷谱的新方法。
Modeling of crack growth curve is the premise of the durability analysis based on probabilistic fracture mechanism.
裂纹扩展曲线的建模是基于概率断裂力学的耐久性分析方法的前提。
Finally, the probability of crack exceedance and structural damage degree are calculated and the durability analysis is completed.
进而分析裂纹超越数概率和结构损伤度，完成结构耐久性分析。
The calculation result is reflected into the finite element calculation model, and the durability analysis of parts is carried out according to the load of the bench experiment.
将冲压计算结果反应到有限元计算模型中，根据台架实验的栽荷，进行零件的耐久性分析。
Two kinds of durability analysis approach and the distinguishing feature of durability test are briefly presented. The relation and difference among the designs of durability, safe-life and damage...
简述了两大类耐久性分析方法和耐久性试验特点、说明了耐久性设计与安全寿命设计和损伤容限设计之间的联系与区别。
Based on the analysis of the destruction mechanism of the durability of the concrete structure provide several effective measures for reference to THD designers and constructors.
针对混凝土结构耐久性的破坏机理的分析，提出了控制混凝土结构耐久性的有效措施，可供设计和施工人员参考。
Therefore, based on the analysis and study of durability of concrete structure, it is available for reference for the designers.
为此，本文对混凝土结构的耐久性进行分析和研究，供有关设计人员参考。
Analysis is made on the causes of crack formation of prestressed concrete structure and on the influencing factors on its structural durability, and given the preventions.
分析造成混凝土结构裂缝的主要原因及裂缝对混凝土结构的耐久性的影响程度。并提出了预防和控制混凝土结构裂缝的工程措施。
Through test analysis of the specimen (B-car), the fatigue damage theory is proven to be useful in the vehicle durability test.
通过对样车(B车)的试验分析，证明疲劳损伤理论在耐久试验中应用是非常有效。
Taking C30 concrete for example, analysis the durability index of common concrete and co-dope concrete, and proved the engineering application feasibility of fly ash for co-dope concrete.
本文以C 30为例，分析了粉煤灰双掺混凝土和普通混凝土耐久性指数，论证了粉煤灰双掺混凝土工程应用的可行性。
According to the theory of structure reliability, an analysis method of durability of PC structure in carbonation is developed.
并根据结构可靠度理论，提出了碳化环境下PC结构耐久性可靠度的分析方法。
Based on analysis of present situation of traffic jam and Bridges in big cities, it is found that vehicle jam is one of influence reasons of security and durability of Bridges.
通过对大城市交通拥堵和桥梁使用现状的分析，提出桥上车辆拥堵是影响桥梁安全与耐久性的因素之一。
In addition analysis is also done about the other durability problems which may happen to the post-fire concrete structure.
此外，还分析其它较为普遍的耐久性问题在火灾后混凝土结构中存在的可能性。
The concept of time dependent reliability and the calculating model are proposed in this paper. In addition, the durability optimum design method based on reliability analysis is suggested also.
本文引入时变广义可靠度概念并建立相应的计算模式，提出了基于可靠性分析的耐久性优化设计方法。
Testing and analysis research on fillets of bathtub joint show that the durability design approach based on probabilistic fracture mechanics is applicable to fillets.
通过对浴缸式接头圆角耐久性试验及分析研究，证明基于概率断裂力学的耐久性设计方法对圆角也是适用的。
The durability status of concrete structures in Chongqing is discussed based on the analysis of the depth of concrete carbonization and the thickness of concrete cover and reinforcement corrosion.
从混凝土碳化深度、保护层厚度和钢筋锈蚀三方面调查研究了重庆地区混凝土结构耐久性的现状。
Combined with project practice and based on mechanism analysis about pipe wall cracks in former single pipe style reinforcement chimney how to enhance methods of chimney durability is given.
结合工程实践，通过对以往工程单管式钢筋混凝土烟囱筒壁裂缝产生的机理分析，提出了提高烟囱耐久性的途径。
Through the life-cycle cost analysis and found that the durability of concrete in high-cold region has obvious economic advantages, with the great application and popularization.
通过全寿命周期费用分析，发现高寒地区耐久性混凝土具有明显的经济优势，极具推广应用价值。
Through the analysis of the damage mechanism of concrete freezing and thawing, the article puts forward some measures to improve the durability of hydraulic structures.
阐述了提高混凝土抗冻融耐久性的措施，分析了引气剂对提高混凝土抗冻融的效果及其影响因素。
This paper analysis the characteristics of pool structure, investigate in the durability construction technology and breakage phenomenon of pool structure.
本文对池体构筑物的特点进行了分析，调查了目前池体构筑耐久性施工技术措施和池体构筑物破坏现象。
Based on the results of stress analysis, fatigue life of a professional analysis of the durability of the system MSC.
基于应力分析结果，利用专业耐久性疲劳寿命分析系统MSC。
With the help of above-mentioned analysis results, primary study on durability estimation of corrosive reinforced concrete structure in service is carried on in this paper.
在以上研究成果的基础上，对现役锈蚀结构承载力耐久性评估方法进行初步探讨。
With the help of above-mentioned analysis results, primary study on durability estimation of corrosive reinforced concrete structure in service is carried on in this paper.
在以上研究成果的基础上，对现役锈蚀结构承载力耐久性评估方法进行初步探讨。
应用推荐