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首页> 外文期刊>Structural engineering earthquake engineering >EXPERIMENTAL RESEARCH INTO THE APPLI-CATION OF SRC STRUCTURES TO RAILWAY THROUGH-TRUSS BRIDGE FLOOR SYSTEMS
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EXPERIMENTAL RESEARCH INTO THE APPLI-CATION OF SRC STRUCTURES TO RAILWAY THROUGH-TRUSS BRIDGE FLOOR SYSTEMS

机译：SRC结构在架空桁架桥楼板系统中的应用试验研究

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摘要

In the design of railway bridges crossing over roads or rivers, bridge height from the lowest point to railway level is sometimes restricted by the height of the road or the high-water level of the river. In order to satisfy these conditions, the authors propose the application of steel-reinforced-concrete (SRC) slab structures to floor systems of through-truss bridges. Since the behavior of this type of bridge had never been verified, this study conducts pull-load and dry-shrinkage experiments on concrete slab structurs. These experiments demonstrates the location of cracks in the slab concrete, their developing patterns, and the axial assignment-force of lower chord members.
机译：在跨越道路或河流的铁路桥梁的设计中，从最低点到铁路水平面的桥梁高度有时会受到道路高度或河流高水位的限制。为了满足这些条件，作者提出将钢-混凝土（SRC）平板结构应用到直桁式桥梁的楼板系统中。由于这种桥梁的性能从未得到验证，因此本研究对混凝土板结构进行了拉力和干缩试验。这些实验证明了板混凝土中裂缝的位置，裂缝的发展方式以及下弦构件的轴向作用力。

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