大跨度预应力混凝土梁的设计探讨  

DISCUSSION ON THE DESIGN OF LONG-SPAN CONCRETE PRESTRESSED BEAM

作　　者：孙旋[1] 李栋 王秋杰[1] Sun Xuan;Li Dong;Wang Qiu-jie

机构地区：[1]杭州市建筑设计研究院有限公司,杭州310002

出　　处：《建筑技术开发》2023年第4期26-28,共3页Building Technology Development

摘　　要：根据吉安市某会展中心项目二层大跨度预应力梁的分析和设计,通过手动估算与软件设计相结合的设计方法,并采用MIDAS软件对预应力空间效应的影响进行分析,对整体空间预应力梁的受力进行阐述,以验证大跨度预应力梁的可实施性。According to the analysis and design of the second floor long-span prestressed beam of Ji'an highspeed railway new area convention and exhibition center project,through the design method of combining manual estimation and software design,and using MIDAS software to analyze the influence of prestressed spatial effect,the stress of the overall spatial prestressed beam is expounded to verify the practicability of the long-span prestressed beam.

关 键 词：大跨度 预应力混凝土梁 次内力 预应力空间效应 

分 类 号：TU74[建筑科学—建筑技术科学]