排灌机械工程学报
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排灌机械工程学报  2015, Vol. 33 Issue (1): 43-48    DOI: 10.3969/j.issn.1674-8530.14.0082
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利用宽柱双梁框架结构改造加固砌体结构
焦建华1, 曹大富2, 秦晓川3, 葛文杰2
1.江苏省水利勘测设计研究院有限公司, 江苏 扬州 225127; 2.扬州大学建筑科学与工程学院, 江苏 扬州 225127; 3.东南大学土木工程学院, 江苏 南京 210096
Masonry structure reforming and strengthening by means of frame structure with double-beam wide column
Jiao Jianhua1, Cao Dafu2, Qin Xiaochuan3, Ge Wenjie2
1.Jiangsu Surveying and Design Institute of Water Resources Co. Ltd., Yangzhou, Jiangsu 225127, China; 2. College of Civil Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, China; 3. School of Civil Engineering, Southeast University, Nanjing, Jiangsu 210096, China
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摘要 在不改变建筑外立面的情况下,采用先施工托换框架,待其形成强度后再拆除被托换的承重墙体,利用宽柱双梁框架结构对砌体结构进行加固改造,拆除内墙,获得大空间.该加固方法考虑了结构传力体系、基础受力情况的改变,外墙与内部框架的连接以及建筑功能要求.通过一砌体结构旅馆建筑改造成大空间商场、商务用房的实例,说明采用宽柱双梁框架结构对现有砌体结构进行加固改造方法的应用和研究,加固改造设计采用PKPM软件对结构进行力学分析,通过对设计内力包络图的分析和整理,选取内力最大的构件作为典型开展砌体结构加固改造设计研究,从而构建兼具平面功能要求、抗震性能要求的结构体系.同时,为了使改造工程更加安全可靠,以提高结构的整体抗震能力,提出了设置剪力栓、浇筑钢筋网叠合层等构造措施.
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焦建华
曹大富
秦晓川
葛文杰
关键词宽柱双梁   加固改造   砌体结构   剪力栓   框架结构     
Abstract: Under the condition that a facade remains unchanged, more inner space can be got by removing its internal walls. In doing so, an underpinning framework is constructed firstly and then the bearing wallboards are demolished once the framework can bear a load; finally the masonry structure is strengthened and reformed by using a frame structure with double beam wide column. In this method, the force transmission system, the change in load applied to foundation, and the connection between external wall and internal frame as well as the building functional requirements are considered. By using this method, a hotel building has been reformed into a supermarket with large space and many business offices. In this reformation project, the existing problems are pointed out, a design process is proposed, and the internal forces in the building are calculated by using PKPM software. The internal force envelope diagram is analyzed and summarized, the structures that are subject to the maximum internal force are targeted and strengthened. In addition, a series of means such as setting shear bolts and concreting rebar network laminated layers to make the renovation project safer and more reliable so as to improve the overall building earthquake resistant capacity.
Key wordswide column holding two beams   strengthening and construction   masonry structure   shear bolt   frame structure   
收稿日期: 2014-06-13;
基金资助:国家自然科学基金资助项目(51278230)
通讯作者: 焦建华(1965—),男,江苏泰兴人,高级工程师,国家一级注册结构工程师(jssljjh@163.com),主要从事建筑结构设计研究.   
作者简介: 曹大富(1964—),男,江苏姜堰人,副教授,硕士(通信作者,dfcao@yzu.edu.cn),主要从事混凝土结构加固与改造研究.
引用本文:   
焦建华,曹大富,秦晓川等. 利用宽柱双梁框架结构改造加固砌体结构[J]. 排灌机械工程学报, 2015, 33(1): 43-48.
JIAO Jian-Hua-,CAO Da-Fu-,QIN Xiao-Chuan- et al. Masonry structure reforming and strengthening by means of frame structure with double-beam wide column[J]. Journal of Drainage and Irrigation Machinery Engin, 2015, 33(1): 43-48.
 
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