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填充抗震墻或帶框鋼支撐加固框架結(jié)構(gòu)設(shè)計方法*
史鐵花1,陸加國1,彭光輝1,2,程紹革1
摘 要

 

 (1 中國建筑科學(xué)研究院工程抗震研究所, 北京 100013;2 無錫市政設(shè)計研究院有限公司,無錫 214072)

摘要]在試驗研究的基礎(chǔ)上,就采用填充抗震墻或帶框鋼支撐加固含有薄弱層的RC框架的實用抗震驗算方法問題,提出了采用改進的樓層綜合抗震能力指數(shù)的方法,并給出了樓層受剪承載力的計算公式。按本文方法計算的樓層綜合抗震能力指數(shù)、樓層受剪承載力與模型試驗及有限元分析的結(jié)果相吻合。還給出了填充抗震墻、帶框鋼支撐與原有框架構(gòu)件連接構(gòu)造示意,使兩項加固技術(shù)進入了實用設(shè)計階段。

關(guān)鍵詞]填充抗震墻帶框鋼支撐; RC框架;受剪承載力綜合抗震能力指數(shù)

中圖分類號:TU352.1, TU317+.1        文獻標識碼:A        文章編號:1002-848X(2014)11-0031-03

Structural design method of frame structure strengthened by filling seismic shear wall or steel frame brace

Shi Tiehua1, Lu Jiaguo1, Peng Guanghui1,2, Cheng Shaoge1

 (1 Institute of Earthquake Engineering, China Academy of Building Research, Beijing 100013, China; 2 Wuxi Municipal Design Institute Co., Ltd., Wuxi 214072, China)

Abstract: Based on the test results, practical seismic checking and calculation methods were studied on the RC frame with weak story strengthened by filling seismic shear wall or steel frame brace. The advanced story integrated seismic capability index method was put forward and the calculation formula of story shear bearing capacity was also given. The results of story integrated seismic capability index and story shear bearing capacity calculated according to this method quite agree with those of tests or FEM numerical analysis. The connection details of the filling seismic shear wall, steel frame brace and existing RC structural members were given, which means that the two seismic strengthening techniques can be used in practice.

Keywords: filling seismic shear wall; steel frame brace; RC frame; shear bearing capacity; integrated seismic capability index

*住房和城鄉(xiāng)建設(shè)部研究開發(fā)項目(2012-k2-30),科技支疆項目(201291112)。

作者簡介:史鐵花,碩士,研究員,一級注冊結(jié)構(gòu)工程師,Email:cabrsth@126.com。

參考文獻

1]史鐵花,彭光輝,孔祥雄,.填充抗震墻加固框架結(jié)構(gòu)試驗研究[J.建筑結(jié)構(gòu),20144411):25-30.

2]孔祥雄,史鐵花,程紹革,.帶框鋼支撐加固含有薄弱層的RC框架抗震性能研究[J.建筑科學(xué),20141):75-79.

3JGJ 1162009 建筑抗震加固技術(shù)規(guī)程[S. 北京:中國建筑工業(yè)出版社,2009.

4GB 500232009 建筑抗震鑒定標準[S. 北京:中國建筑工業(yè)出版社, 2009.

5GB 500112010 建筑抗震設(shè)計規(guī)范[S. 北京:中國建筑工業(yè)出版社,2010.

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