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首页> 外文期刊>Magazine of Concrete Research >Dynamic behaviour of frames containing prestressed concrete beams
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Dynamic behaviour of frames containing prestressed concrete beams

机译:包含预应力混凝土梁的框架的动力特性

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摘要

Results from small scale models of frames containing prestressed concrete beams, tested by a shake table simulating earthquake forces, are presented. The dynamic response analysis of such frames are described. A comparison between tests and analysis is made. Basically, there are three parameters in the test programme, namely concrete strength, effective prestress and seismogram. Concrete strength is approximately between 32 and 84 MPa. Two types of effective prestress are used: 40 and 80/100 of the yielding stress of the pretressing bars. Two kinds of seismogram are used: 1940 EL Centro acceleration and linear incremental acceleration.
机译:给出了包含预应力混凝土梁的小型框架模型的结果,并通过模拟地震力的振动台进行了测试。描述了这种框架的动态响应分析。在测试和分析之间进行了比较。基本上,测试程序中包含三个参数,即混凝土强度,有效预应力和地震图。混凝土强度约为32至84 MPa。使用两种有效的预应力:压应力筋的屈服应力的40和80/100。使用两种地震图:1940 EL Centro加速度和线性增量加速度。

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