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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 >INNOVATIVE DEVELOPMENT OF LIGHT STEEL COMPOSITES IN BUILDINGS
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INNOVATIVE DEVELOPMENT OF LIGHT STEEL COMPOSITES IN BUILDINGS

机译：建筑中轻钢复合材料的创新发展

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摘要

Light steel construction comprises cold formed steel sections of typically 1.2 to 3.2 mm thickness. Composite construction is well established using hot rolled steel sections, but this paper explores the applications of light steel construction acting compositely with in-situ concrete or heavy duty boarding materials. A composite beam system is described which uses profiled strip or 'top-hat' shear connectors attached by pins to double C sections. A full-scale load test demonstrates its load resistance and stiffness for a 9m beam span. A complete building system may be envisaged which uses C and Z sections acting as permanent formwork to in-situ concrete. Walls may be constructed from two skins of vertically orientated decking which possess high compression and shear resistance, as demonstrated by a series of load tests. Flooring and walling materials can improve the stiffness of light steel floor joists and wall panels, and the results of various serviceability tests are presented which demonstrate the increase in stiffness that can be achieved. A full-scale test on a 2 storey building constructed using light steel framing shows that the masonry cladding can have an important effect on the shear resistance and stiffness of the building.
机译：轻钢结构包括厚度通常为1.2至3.2毫米的冷弯型钢。使用热轧钢型材可以很好地建立复合结构，但是本文探讨了轻钢结构与现浇混凝土或重型木板材料复合作用的应用。描述了一种复合梁系统，该系统使用异型条或“大礼帽”剪切连接器，这些连接器通过销钉固定在双C型截面上。全面的负载测试证明了其在9m的光束跨度下的负载阻力和刚度。可以设想一个完整的建筑系统，该系统使用C和Z型截面作为永久模板来现场浇筑混凝土。墙可以由垂直定向的两层表皮构成，这两层表皮具有很高的抗压和抗剪强度，如一系列负载测试所示。地板和墙面材料可以改善轻钢地板托梁和墙板的刚度，并给出了各种适用性测试的结果，这些结果表明可以实现的刚度增加。对使用轻钢框架建造的2层建筑物的全面测试表明，砌体砌面会对建筑物的抗剪强度和刚度产生重要影响。

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