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风荷载是建筑结构的主要设计荷载。由于我国建设的迅速发展 ,原来的部分条文已不能适应当前实际工程的需要。地貌是影响风荷载值的重要因素 ,基于研究的进展和国外相关规范的接轨 ,《建筑结构荷载规范》风荷载中的地貌分类条文的修订已迫在眉睫。本文对地貌分类及与此密切相关的地面粗糙度指数作了详细的研究和分析 ,提供《建筑结构荷载规范》地貌分类修订作为依据
Wind load is the main design load of the building structure. Due to the rapid development of China’s construction, some of the original provisions can no longer meet the needs of current actual projects. Geomorphology is an important factor affecting the wind load value. Based on the progress of the research and the conformity with the relevant norms in other countries, the revision of the geomorphologic classification provisions in the Wind Load of Building Structure Load Specification is imminent. In this paper, the geomorphological classification and closely related to the surface roughness index made a detailed study and analysis to provide “structural load specification” classification of landform revision as a basis