天津高银117大厦异形多腔体巨型钢柱施工分段研究
Construction Technology(2012)
Abstract
天津高银117大厦地下室巨型钢柱平面尺寸和用钢量特别大。地下室阶段单根钢柱高度19.25m,质量约1 800t,平面最大尺寸24m×22.5m,最大截面积180m2,分为26个腔体单元。单根巨型钢柱的体量及尺寸在国内钢结构施工领域均前所未有,钢柱的施工分段及现场拼装焊接的难度非常大。阐述在施工中所采用的巨型钢柱施工方法及依据,指出此类异形多腔体巨型钢构件的施工分段需综合考虑多方面因素,寻求最平衡方案。
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Key words
construction segment,multi-cavity,tall building,special-shaped,research,steel column
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