2.1.15 设计年限(design period) 在计算累计当量轴次时所取用的基准时间。 2.1.16 标准轴载 (standard axle load) 为路面结构计算所规定的设计荷载。
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... [经] economic life 设计年限 Design Period ; design life limit ; period of design 协议年限 Length of the agreement ...
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... period of commutation 换向周期 period of design 设计年限;设计进度 period of duty 运行时间,运行期 ...
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,mm/a; a—设计年限(desired life time) k—腐蚀速度(corrosion rate) 对碳素钢和低合金钢,C2≥ 1mm;对于不锈钢,当介质腐蚀性能极微时,取 C2=0。
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路面结构设计时为增加行车舒适性采用沥青混凝土路面,考虑交通量和设计年限,确定合理的路面厚度。
When designing pavement structure, we want to use bituminous concrete to improve driving comfort and to consider volume of traffic and hours of use to confirm thickness of pavement.
为了保证结构在设计寿命期内的安全使用,有必要对结构进行整体疲劳分析,评估其在设计年限内的疲劳损伤程度。
In order to ensure structural safety in the design working life, it is necessary to carry out integrity analysis of fatigue and to evaluate the degree of fatigue damage on the structure.
早期修建的小跨径钢桁梁悬索桥大部分已接近设计年限,正确评估其承载能力是桥梁维修、加固和技术改造的基本依据。
Most of Minisize span suspension Bridges with steel truss beam constructed in early age will approach its designed working life.
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