Reliability, performance-based design and code calibration in earthquake engineering

结构性能受许多变量的影响，这些变量的值是不确定的。由于这种随机性，总是存在结构不能按预期发挥作用的可能性。基于性能的设计旨在设计一种结构，使其在不同性能标准下的不性能概率不超过可容忍的限度，同时将某些结构属性(如总成本)降至最低。这项提议指的是最后开发用于计算不履行的概率和实施基于业绩的设计的可靠软件。该提案特别针对地震工程中的应用，并对编成法典的抗震设计程序进行了校准。即将完成的软件Relan和Irelan一直在不列颠哥伦比亚大学不断开发，并可免费获得。例如，抗震规范设计条款的校准将集中在温哥华市的情况下。该提案还包括与阿根廷罗萨里奥大学应用力学和结构研究所继续开展研究合作。这项合作还强调地震工程中的可靠性和基于性能的设计。

Structural performance is influenced by many variables, the values of which are not known with certainty. Because of this randomness, there always exist the possibility that the structure will not perform as intended. Performance-based design aims at designing a structure so that the probabilities of non-performance, under different performance criteria, will not exceed tolerable limits while, at the same time, some structural attribute (like total cost) will be minimized. This proposal refers to the final development of robust software for calculating probabilities of non-performance and implementing performance-based design. The proposal aims, in particular, at applications in earthquake engineering and to calibration of codified seismic design procedures. The software RELAN and IRELAN, to be finalized, have been in continuous development at the University of British Columbia and are freely available. Calibration of seismic code design provisions will concentrate, as an example, on the case of the city of Vancouver. The proposal also includes continuing research collaboration with IMAE, the Institute of Applied Mechanics and Structures of the University of Rosario, Argentina. This collaboration also emphasizes reliability and performance-based design in earthquake engineering.