【摘 要】
：
A large number of concrete bridges have durability damage in different degrees.Therefore,a scientific evaluation is necessary to ensure the conditions of th
【机 构】
：
Engineering Research Centre for Large Highway Structure Safety of Ministry of Education,Chang'an Un
【出 处】
：
The 7th International Conference on Bridge Maintenance, Safe
论文部分内容阅读
A large number of concrete bridges have durability damage in different degrees.Therefore,a scientific evaluation is necessary to ensure the conditions of these bridges (Wang et al.2002,Zong et al.2006).In this paper,based on the analytic hierarchy process (AHP) method,the evaluation model was established as follows: (1) determine evaluation index; (2) determine the index weight based on a single durability index; (3) use the principle of variable weight to conduct the fuzzy comprehensive evaluation.After the establishment of the hierarchical structure,element affiliation between the upper levels and the lower levels was determined and comparison matrix was obtained.
其他文献
When the bridge opened to traffic,its strength and stiffness may reduce and its structure performance degradation can occur under the action of the environm
Practical experiences word-wide in past revealed that the fatigue life oforthotropic steel decks can be much shorter than other major structural members in
The steel truss railway bridge at (A)by River in Sweden was built in 1957 with a span of 32m (105 feet).In 2012 it was replaced by a new steel beam bridge a
There is a need to extend the life of many existing railway bridges.To facilitate this is one of the objects of the EC-FP7-Project MAINLINE,covering a perio
记者从中国证监会有关部门获悉,中国证监会经过多年的积极探索,立足国内实际情况,借鉴国际惯例,初步建立起对证券公司从市场准入、持续跟踪到市场退出三个环节监管的法律法
初中历史课要充分发挥学生自主学习能力,以“探究性问题”为中心,改变学生被迫接受知识的过程,以问题促思考,使学生自主性学习.开展多种活动,发挥学生学习的自主性.尊重学生
国际技术贸易既是国际贸易的一个重要组成,也是国际技术转让的主要形式之一。众多的实证分析表明,无论是以技术创新为基础的国际贸易、还是国际贸易引致的技术创新,都是世界
Currently,the design of infrastructures requires more than compiling with safety requirements according to safety standards and economic constraints.
Since rising number of natural disasters has been the major threat to worldwide infrastructures.Civil engineers nowadays have to enhance the mitigation of h
面板堆石坝的抗震研究一般都假定地震动振动方向沿坐标轴主轴方向,不考虑地震动振动方向的不确定性;现行的水工规范对地震动的入射方向也未给出明确规定,工程实践中也无统一