And the load change under continuous days of high temperature is obviously different from what under normal high temperature due to the cumulative effect of heat.
由于温度具有热累积效应，持续高温日负荷的变化规律与普通气象条件下的变化规律有明显的区别。
2
Using an empirical cumulative plastic strain formula, a method for calculating the traffic load induced deformation was proposed.
针对交通荷载作用下软土地基的变形问题，采用累积应变的经验公式计算其累积沉降。
3
According to the linear cumulative damage theory, a method for estimating life for welding structure of farm machinery acted under load spectrum is given.