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首页> 外文会议>Conference on Connections Between Steel and Concrete Vol.2 Sep 10-12, 2001 Stuttgart, Germany >TESTING OF A DOWEL CONNECTION FOR A BRIDGE WITH A CONCRETE DECK AND A SANDWICH PANEL TRUSS STRUCTURE
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TESTING OF A DOWEL CONNECTION FOR A BRIDGE WITH A CONCRETE DECK AND A SANDWICH PANEL TRUSS STRUCTURE

机译：带有混凝土甲板和夹层板桁架结构的桥梁的道岔连接测试

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摘要

Fastenings to concrete can be subjected to complex loading situations. The resistance of the connection under the combined action of shear, bending moment and normal force depends strongly on the failure mode of the connection. In order to investigate the resistance of dowel connections under combined actions, a special test set-up has been developed which allows to submit a dowel connection to complex loading conditions. A case study was made for a connection element of a light-weight pedestrian bridge, composed of a concrete deck with a truss substructure. The truss is composed of sandwich panels, consisting of glass fibre reinforced IPC skins (Inorganic Phosphate Cement, a non-alkaline inorganic resin developed at the Vrije Universiteit Brussel) separated by a polystyrene core. The dowel connection is needed for the connection between the concrete deck and the sandwich diagonal members of the truss. Connection elements with different dowel diameters and different spacings between the dowels are tested.
机译：固定在混凝土上可能会遇到复杂的荷载情况。在剪切，弯矩和法向力的共同作用下，连接的阻力在很大程度上取决于连接的失效模式。为了研究组合作用下的销钉连接的阻力，已经开发了一种特殊的测试装置，可以将销钉连接到复杂的载荷条件下。以轻型人行天桥的连接元件为例，该人行天桥由具有桁架子结构的混凝土甲板组成。桁架由夹心板组成，夹心板由玻璃纤维增​​强的IPC蒙皮（无机磷酸盐水泥，由布鲁塞尔自由大学开发的一种非碱性无机树脂）组成，并由聚苯乙烯芯隔开。在混凝土面板和桁架的夹层对角构件之间的连接中需要用销钉连接。测试了具有不同定位销直径和定位销之间不同间距的连接元件。

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