1) pre-stress steel truss
预应力钢桁架结构
1.
Optimized design of pre-stress steel truss on reliability
基于可靠性的预应力钢桁架结构优化设计
2) prestressed truss structure
预应力桁架结构
3) prestressed steel truss
预应力钢桁架
1.
Friction sliding cable element for structural analysis of prestressed steel truss;
预应力钢桁架结构分析中的摩擦滑移索单元
2.
In consideration of the randomness of elastic restraint stiffeness and both cable stiffeness and cable pretension, the general formulas for analyzing random internal forces of the prestressed steel truss by perturbation methed are obtained.
用一组弹簧约束模拟钢架的实际支撑，代替传统支座形式［２］，建立了任意弹性约束拉索式预应力钢桁架的基本计算理论。
3.
On the basis of establishing the fundamental computational theory of the cable prestressed steel trusses, the general formulationes of the random internal force analysis and sensitivity analysis of the plane prestressed steel trusses are presented in consideration of randomness of the cable stiffness based on the perturbation methods, and also some computational examples are put forward.
本文在建立拉索式预应力钢桁架基本计算理论的基础上，考虑到拉索刚度的随机性，推导了拉索式平面预应力钢桁架随机内力摄动分析的一般公式及敏度分析式，并给出了算例。
5) pre-stressed steel-concrete latticed structures
预应力钢-砼网架结构
6) steel structure truss
钢结构桁架
1.
This article discusses a successful application of the big span steel structure truss assemble prefabricated parts and slip technology in Qingdao Liuting International Airport project phase II.
论述了大跨度钢结构桁架的吊装、滑移技术在青岛流亭国际机场二期工程中的成功应用。
补充资料：预应力
分子式：
CAS号：
性质：试验中试样所受到的预加的恒定静态应力，单位为Pa。在生热性疲劳试验中，如固特里奇屈挠试验中，一般都施加一恒定预应力，使试样产生一静态变形，再叠加一周期压缩变形进行试验，通常预应力的大小会影响试样的疲劳寿命，预应力越大，则试样寿命会越明显缩短。也有的先施加一静态压缩变形，再叠加周期性剪切变形进行试验。
CAS号：
性质：试验中试样所受到的预加的恒定静态应力，单位为Pa。在生热性疲劳试验中，如固特里奇屈挠试验中，一般都施加一恒定预应力，使试样产生一静态变形，再叠加一周期压缩变形进行试验，通常预应力的大小会影响试样的疲劳寿命，预应力越大，则试样寿命会越明显缩短。也有的先施加一静态压缩变形，再叠加周期性剪切变形进行试验。
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参考词条