深埋地下环路结构方案对经济性的影响  

Influence of Structural Scheme of Deeper Underground Ring Road on Economy

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作  者:胡潇帆 HU Xiaofan

机构地区:[1]上海市政工程设计研究总院(集团)有限公司,上海市200092

出  处:《城市道桥与防洪》2023年第10期268-271,M0023,共5页Urban Roads Bridges & Flood Control

摘  要:近年来,为了突破城市规划局限于地面层的维度,大型地下空间项目的数量日益增加,使城市逐步演变为“立体城市”。地下环路,作为一种极具重要性的地下空间设施,不但起到联系相邻地下空间、地下空间与地上空间的作用,亦有效改善了城市核心区的交通问题。以深埋地下环路工程为切入点,从结构角度出发,分析了不同形式单建暗埋标准段的受力特征。为了保证其合理经济性,在限制相同力学参量的情况下,在用量层面对地下环路是否加设结构空腔进行了比选,验证加设空腔的必要性。In recent years,in order to break through the dimensionality of urban planning limited to the ground floor,the number of large underground space projects is increasing,which makes a city gradually evolved into a"three-dimensional city".As a very important underground space facility,the underground ring road not only connects the adjacent underground space and ground space,but also effectively improves the traffic problems in the core area of the city.Taking a deeper underground ring road project as the starting point,the stress characteristics of different forms of single built and buried standard sections is analyzed from the structural point of view.In order to ensure its reasonable economy,under the condition of limiting the same mechanical parameters,the comparison of whether to add structural cavity in the underground ring road is carried out at the dosage level,which verifies the necessity of adding the cavity.

关 键 词:地下环路 暗埋段 经济性 结构优化 

分 类 号:U459.3[建筑科学—桥梁与隧道工程]

 

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