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(1 中冶東方工程技術(shù)有限公司，包頭 014010； 2 中國鋼結(jié)構(gòu)協(xié)會，北京 100088)
［摘要］對目前鋼管結(jié)構(gòu)設(shè)計中合理選用鋼管材料的一些問題進行了分析與評述。包括對鋼管標準與設(shè)計規(guī)范有關(guān)規(guī)定的理解和應(yīng)用，對不同類別鋼管性能特點的比較分析，不同成型工藝對鋼管性能影響及冷作硬化與殘余應(yīng)力影響的分析等。對工程中合理選用鋼管材料提出了建議。
［關(guān)鍵詞］鋼管結(jié)構(gòu)；無縫鋼管；焊接鋼管；徑厚比；殘余應(yīng)力；延性；成型工藝
Discussion on reasonable selection of materials for the structure with steel hollow section
Liu Yingchun1，Chai Chang2(1 Beris Engineering and Research Corporation，Baotou 014010，China；2 China Specialistic Committee of China Steel Contruction Society，Beijing 100088，China)
Abstract:Some issues on reasonable selection of materials for the structure with steel hollow section were analyzed and commented, involving the understanding and application on relevant regulations of steel tube standards and design specifications, comparatively analysis of the performance of various steel tubes, influence of different forming technologies on steel tube performance, and effect of coldwork hardening on tube materials, as well as the analysis of residual stress, etc. Some design suggestions on reasonable selection of steel tube materials in the engineering are proposed.
Keywords:steel tube structure；seamless steel tube；welded steel tube；diameterthickness ratio；residual strees；ductility；forming process
作者簡介：劉迎春，高級工程師，Email：liuyingchun188@126.com。