1) equivalent section
等效截面
1.
According to the approach,the beams subjected to fire are considered as beams with homogeneous temperature distributing at sections and equivalent sections on stiffness.
该方法将受火高温梁简化成温度均匀的刚度等效截面,通过考虑柱提供的变形约束刚度和混凝土高温瞬态热应变导致的刚度降低的双重影响,来计算其升温时的温度内力。
2) equivalent cross section
等效截面
1.
Based on the academic analysis,a biaxial bending member is equivalent to a single bending member by the rule of equivalent cross section.
在分析大量文献资料的基础上 ,采用“等效截面”将双向受弯构件转化为单向受弯构件。
2.
In order to analyze the torsion by the theory of thin walled member under restricted torsion, the calculated section is transformed into equivalent cross section, and the stress distribution on it is shown while some torque acts on the beams.
首先 ,对组合梁扭转问题进行了讨论 ,确定其分析方法 ;将组合梁计算截面进行等效 ,以便于利用开口薄壁杆件的约束扭转理论对其进行分析 ,并示意了等效截面在约束扭转力矩作用下的应力分布情况 ;提出了组合梁扭转的近似上下限分析方法 ,其中 ,前者计算简单 ,适用于设计 ,而后者较为繁琐 ,可作为前者的一个校验标准 ;最后 ,通过例题将这 2种方法进行了演
3) equivalent circle section
等效圆截面
4) equivalent section method
等效截面法
1.
This paper analyzes the difference of corner reflection effect between bomb fins and ordinary rectangular corner reflector , and derives the formula of RCS of the corner reflection effect of bomb fins for engineering calculating using equivalent section method, and the formula is verified by means of calculating the scatter property of bomb fins synthetic model.
分析了弹翼与一般直两面角的角反射器效应的不同，从等效截面法分析一般直两面角角反射器效应的雷达散射截面（ＲＣＳ），推导出用等效截面法分析弹翼角反射器效应的工程计算公式，通过计算弹翼、弹体组合的侧向散射特性进行了验证；引入涂敷吸波材料的平板ＲＣＳ的反射系数计算方法，采用两个反射系数表示角反射器效应的两次吸收／反射效应，最后用反射系数法分析了涂敷吸波材料后的弹翼散射特性。
5) equivalent straight bar of constant cross section
等效等直截面
6) equivalent area Ae
等效截收面积Ae
补充资料：比等效百万吨数