design working life

基本解释

The live load should be determined that the exceedance probabilities of live load for different design working life equal to that for conventional design loads.
应根据不同设计使用年限活荷载的超越概率等于常规设计荷载超越概率的原则确定活荷的载标准；
P The required protection of the structure shall be established by considering its intended use, design working life (see EN 1990), maintenance programme and actions.
确立建筑物所需的保护措施时要考虑到它的预期用途，设计使用年限（见EN 1990），以及维护计划和结构所受作用。
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P In order to achieve the required design working life of the structure, adequate measures shall be taken to protect each structural element against the relevant environmental actions.
为了使建筑物达到规定设计使用年限，必须采取充分的措施保护每个构件免受相关环境作用的影响。
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