对横向不设置剪力墙的火电厂房设计内力抗震调整的讨论

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基金项目:

国家自然科学基金资助项目(50078003)

DISCUSSION ON THE INTERNAL FORCE ADJUSTION IN SEISMIC DESIGN OF MAIN BUILDINGS FOR THERMOELECTRICAL POWER PLANT WITHOUT SHEAR WALL IN TRANSVERSE DIRECTION

1.
1. Beijing Key Lab of Earthquake Engineering and Structure Retrofit,Beijing University of Technology Beijing 100022;
2.
2. Shandong Electric Power Engineering Consulting Institute Jinan 250013;
3.
3. Wuhan Constant Properties Ltd Wuhan 430000

摘要: 火电厂主厂房通常仅在纵向设置剪力墙,而在进行0.2Q0调整时,设计程序是将所有与框架柱相连的梁内力都进行调整,因此夸大了横向梁截面的内力,造成不必要的保守。建议对于在纵向设置剪力墙的主厂房进行两次设计计算:先按框架剪力墙结构进行第一次设计,然后按框架结构进行第二次设计,横向框架梁截面以第二次设计结果为准,其余构件以第一次设计结果为准。
- 框剪结构 /
- 剪力调整 /
- 火电厂主厂房
Abstract: The main building for a thermal power plant usually has shear wall only in longitudinal direction,and in 0.2Q_0 adjustment,the design software always adjust section internal forces of all the beams connected with the frame column,which exaggerates section internal forces of lateral beams,causing unnecessary conservativeness.It is proposed twice design calculation should be done for this kind of structure.In the first step,the structure is designed according to frame-shear wall system.Then the second step calculation and design are carried out,in this case the structure is designed being as frame system.It is suggested to use the calculation results from second and first step design for lateral frame beams and the other components respectively.
- frame shear structure /
- shear regulation /
- main building of thermal