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1)  concrete curved beam
预应力混凝土曲线梁
2)  prestressed concrete curved box girder
曲线预应力混凝土箱梁
1.
Combined with Shanxi transportation technology project-03-01K about design method and carrying capacity research of prestressed concrete curved box girder, the paper discusses the prestressing force effect analysis method of prestressed concrete curved box girder bridge.
本文结合陕西省交通科技项目“03—01K”《曲线预应力混凝土箱梁设计方法及承载力研究》,对曲线预应力混凝土箱梁桥的预应力效应分析方法进行研究。
3)  prestressed concrete curved box girder bridge
预应力混凝土曲线梁桥
4)  prestressed concrete beam
预应力混凝土梁
1.
Nonlinear analysis element model of prestressed concrete beam;
预应力混凝土梁非线性分析单元模型
2.
Discussion on bent ductility design of prestressed concrete beam under dynamic loading;
抗动载预应力混凝土梁延性设计考虑
3.
Experiment of anti-dynamic load of prestressed concrete beam with diagonal section strength test and bearing capacity;
预应力混凝土梁抗动载斜截面强度试验与承载力计算
5)  pre-stressed concrete beam
预应力混凝土梁
1.
The dynamic experiment of a non-bonded full pre-stressed concrete beam was carried out.
为此该文从混凝土的微观结构入手,将预应力混凝土梁看作各向异性复合材料梁,采用正交异性的线弹性本构模型进行分析,将复合材料梁的刚度视为钢筋混凝土梁的刚度与预应力筋等效刚度之和,然后对预应力混凝土梁的频率与预应力的关系进行分析计算,计算结果与试验结果吻合较好。
2.
The nonlinear analysis of pre-stressed concrete beams has been made by using layered finite element method in this paper.
采用分层法对预应力混凝土梁进行了非线性有限元分析。
6)  prestressed concrete girder
预应力混凝土梁
补充资料:预应力
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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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