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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 >STATIC TESTS ON VARIOUS TYPES OF SHEAR CONNECTORS FOR COMPOSITE STRUCTURES
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STATIC TESTS ON VARIOUS TYPES OF SHEAR CONNECTORS FOR COMPOSITE STRUCTURES

机译：各种类型的复合结构剪切连接器的静态测试

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摘要

The results and interpretations of push-out tests on shear connector devices for steel-concrete composite structures/bridges carried out in the Stevin laboratory are presented. The devices under investigation are headed studs, perfobondstrips, oscillating per-fobondstrips, waveform strips and T-connectors. The oscillating-perfobondstrip, waveform strip and T-connector have specially been developed for this research project. Different concrete grades and types are used, like ordinary concrete, lightweight concrete, high strength concrete and lightweight high strength concrete, with and without steel fibres. The tests are done as specified in EuroCode 4 for standard push-out test. Large differences in ductility and strength between the various connector devices and concrete types have been observed. Sometimes unexpected behaviour occurred during testing, like brittle splitting failure in case of the (oscillating) perfobondstrip in normal concrete. A direct comparison for a specific shear connector device in combination with a certain concrete grade/type is possible. Although the number of samples in a test series is limited, it is still realistic to draw conclusions with respect to their strength/ductility based on EuroCode 4.
机译：介绍了在Stevin实验室中进行的钢-混凝土复合结构/桥梁剪力连接器装置推顶试验的结果和解释。所研究的设备为带头螺栓，Perfobondstrips，振荡的每个fobondstrips，波形条和T型连接器。该研究项目专门开发了振动-行带，波形带和T型连接器。使用不同等级和类型的混凝土，例如普通混凝土，轻质混凝土，高强度混凝土和轻质高强度混凝土（有或没有钢纤维）。按照EuroCode 4中针对标准推出测试的规定进行测试。观察到各种连接器设备与混凝土类型在延性和强度方面存在很大差异。有时在测试过程中会发生意想不到的行为，例如在普通混凝土中发生（振荡）perfobondstrips时脆性破裂失败。可以将特定的剪切连接器设备与特定的混凝土等级/类型进行直接比较。尽管一个测试系列中的样品数量有限，但根据欧洲规范4得出关于强度/延展性的结论仍然是现实的。

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