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首页> 美国卫生研究院文献>Materials >Experimental Investigation of Impact Concrete Slab on the Bending Behavior of Composite Bridge Girders with Sinusoidal Steel Web
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Experimental Investigation of Impact Concrete Slab on the Bending Behavior of Composite Bridge Girders with Sinusoidal Steel Web

机译：冲击混凝土板对正弦钢腹板组合梁弯曲性能的试验研究。

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摘要

Until recently, steel plate girders with corrugated steel members were used primarily as poles and girders in the construction of industrial buildings. Currently, they are also being used in the construction of bridges. Compared to traditional steel and rolled girders, steel plate girders weigh less and are more stiff, while also having a neater appearance. In this paper, the results of an experimental study are present. The aim of the study was to determine the behavior of a bridge girder with sinusoidal web geometry when subjected to a bending moment. The study was focused on a composite steel and concrete structure with pin connections, which is currently the most common solution. Three near-real scale beams were subjected to bending tests. The study found that composite corrugated-web steel beams and non-composite corrugated-web steel beams showed similar forms of failure. A reinforced concrete slab did not prevent web stress concentration at the point of connection with the flange. Furthermore, the study indicates that corrugated steel webs in bridge girders can have a much smaller thickness (less than 8 mm) compared with the traditional solution.
机译：直到最近，带有波纹钢构件的钢板梁主要被用作工业建筑的杆和梁。当前，它们还被用于桥梁的建造中。与传统的钢梁和轧制梁相比，钢板梁重量更轻，更坚固，同时外观也更整洁。在本文中，存在实验研究的结果。这项研究的目的是确定承受弯矩时具有正弦腹板几何形状的桥梁的性能。该研究的重点是带销钉连接的钢和混凝土复合结构，这是目前最常见的解决方案。对三个近乎真实尺寸的光束进行了弯曲测试。研究发现，复合波纹钢梁和非复合波纹钢梁表现出相似的破坏形式。钢筋混凝土板不能防止腹板应力在与法兰连接处集中。此外，研究表明，与传统解决方案相比，桥梁大梁中的波纹钢腹板的厚度要小得多（小于8毫米）。

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