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首页> 外文会议>International Conference on High Performance Materials in Bridges; 20010729-20010803; Kona,HI; US >DESIGN RULES FOR COMPOSITE STRUCTURES WITH HIGH PERFORMANCE STEEL AND HIGH PERFORMANCE CONCRETE
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DESIGN RULES FOR COMPOSITE STRUCTURES WITH HIGH PERFORMANCE STEEL AND HIGH PERFORMANCE CONCRETE

机译：高性能钢和高性能混凝土复合结构的设计规则

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摘要

This paper presents the results from two research projects and one Doctoral thesis regarding the design of composite beams made of high-strength structural steel and high-strength concrete: (Ⅰ) The load-bearing behaviour of headed stud shear connectors in high-strength concrete is different from that in normal-strength concrete. Thus a new design approach was developed, where the load bearing capacity of the weld collar is considered. (Ⅱ) When performing a plastic cross-section design both for the high-strength steel and for the high-strength concrete reductions are required to take into account their typical stress-strain behaviour. (Ⅲ) The rules in Eurocode 4 (EC4) dealing with the minimum shear connection ratios depending on the connector's ductility, the beam's span length, the loading, the cross-section and the distribution of the connectors were modified by carrying out numerical simulations.
机译：本文介绍了有关高强度结构钢和高强度混凝土制成的组合梁设计的两个研究项目和一个博士论文的结果：（Ⅰ）高强度混凝土中带头螺柱剪切连接器的承载特性与普通强度混凝土不同。因此，开发了一种新的设计方法，其中考虑了焊接环的承载能力。 （Ⅱ）对于高强度钢和高强度混凝土，在进行塑性截面设计时，都需要考虑其典型的应力应变特性而减小。 （Ⅲ）通过进行数值模拟，修改了欧洲规范4（EC4）中有关连接器的延展性，梁的跨距长度，载荷，横截面和分布的最小剪切连接率的规则。

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