- 摘 要
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（中國建筑設計研究院有限公司， 北京 100044）
［摘要］限額設計是項目在可行性研究階段基于以往同類工程的投資估算，以經濟性為優(yōu)先考慮因素的設計要求。以2019北京世園會主入口大門的結構設計為例，針對限額設計提出了一系列優(yōu)化措施，通過結構方案比選、結構布置優(yōu)化、構件截面驗算、建筑高度和輪廓調整、樓面墻面材料選取等幾個方面對結構進行了優(yōu)化設計，在保證建筑功能需求和建筑方案效果的同時使結構受力更合理，建造成本更節(jié)約。
［關鍵詞］2019北京世園會入口大門； 限額設計； 景觀構筑物； 鋼結構； 結構優(yōu)化
中圖分類號：TU398-7文獻標識碼：A文章編號：1002-848X(2019)17-0056-04
Optimal design on entrance gate structure of International Horticultural Exhibition 2019, Beijing, China
Chen Xiaoqing, Shi Hong, He Xiangyu
(China Architecture Design & Research Group, Beijing 100044, China)
Abstract:Limits designing is the design requirement based on the investment estimation of similar projects during feasibility research, taking economical factor as the priority. Taking the structural design of the main entrance gate of International Horticultural Exhibition 2019, Beijing, China as an example, a series of optimization measures were put forward to meet the requirements of limits designing, thus optimizes the structure design from structural scheme comparison, structural layout optimization, component section optimization, building height and contour adjustment to building material selection. The measures made structural stress more reasonable and the construction cost more economical while guaranteeing the functional requirement of the building and the effect of the building scheme.
Keywords:International Horticultural Exhibition 2019, Beijing, China; limits designing; landscape architecture; steel structure; structure optimization
作者簡介：陳曉晴，碩士，工程師，Email:2016084@cadg.cn。
