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The analysis of deflections and cracking resistance in pre-stressed slabs of off-shuttering formation

机译:斜板预应力板的挠度和抗裂性分析

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The paper presents an example of calculations of an assembled reinforced concrete hollow core slab of off-shuttering formation which has been reinforced with pre-stressed wire in its top and bottom areas. The numerical modelling of statically determinate pre-stressed assembled reinforced concrete hollow core slab exposed to short duration uniform loading is shown as a finite element model in PC “LIRA SAPR 2014 R3”. This article contains information about the finite elements used, fixing conditions of the slab and of the order in which links between concrete and steel reinforcement were modelled. The calculation results are presented in the form of isofields of finite elements motion in this calculation model. Table 1 presents research results as a finite element model calculations according to the methodology given in specification documents.
机译:本文提供了一个计算示例,说明了一个具有百叶窗构造的组合式钢筋混凝土空心板,该板的顶部和底部已用预应力钢丝进行了加固。 PC“ LIRA SAPR 2014 R3”中的有限元模型显示了静力确定的预应力组合钢筋混凝土空心空心板在短时均匀荷载下的数值模型。本文包含有关所使用的有限元,平板的固定条件以及对混凝土和钢筋之间的链接进行建模的顺序的信息。在该计算模型中,计算结果以有限元运动的等值场形式表示。表1给出了根据规范文档中提供的方法将研究结果作为有限元模型计算的结果。

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