全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
工程力学  2013 

不同界面处理方法的自密实混凝土加固框架节点抗震性能试验研究

DOI: 10.6052/j.issn.1000-4750.2011.12.0832, PP. 89-96

Keywords: 框架节点,自密实混凝土,加固,界面处理,抗震性能

Full-Text   Cite this paper   Add to My Lib

Abstract:

通过5个自密实混凝土加固框架中节点和1个整浇的对比框架节点进行二次受力下自密实混凝土框架节点的拟静力试验,研究不同界面处理对自密实混凝土加固节点抗震性能的影响。5个加固试件的界面分别采用了凿毛法、刻槽法、凿毛加刻槽法以及凿毛加植筋法等4种方法进行处理。通过对试件破坏过程、新老钢筋应变、荷载位移滞回曲线等试验结果的分析得到:4种界面处理方法均能使自密实混凝土与老混凝土具有较好的协同工作性能,而采用凿毛法与刻槽法相结合或凿毛法与植筋法相结合的加固节点其极限承载力、极限位移、位移延性系数等较单独采用凿毛处理或刻槽处理的效果明显提高,而极限承载力已接近整浇对比试件。

References

[1]  尚守平),(曾令宏),(戴睿). 钢丝网复合砂浆加固RC梁二次受力受弯试验研究[J]. (建筑结构学报), 2005,26(5):74―80. Shang Shouping, Zeng Linghong, Dai Rui. Experimental study on flexural behavior of reinforced concrete beams strengthened with ferrocement under secondary load [J]. Journal of Building Structures,2005,26(5): 74―80. (in Chinese
[2]  Kim J Q, Ryou H S, Jeong J Y,et al. Numerical simulation of 3-D turbulent flow with imbedded longitudinal vortex [J]. Computational Fluid Dynamics Journal, 1996,4(4):473―488.
[3]  卜良桃),(叶蓁),(周子范),等. 钢筋网复合砂浆加固受弯足尺RC梁二次受力试验研究[J]. (建筑结构学报), 2006,27(5):93―100. Bu Liangtao, Ye Zhen, Zhou Zifan, et al. Experimental study on RC beam reinforced by reinforcing steel bar mesh mortar subjected to secondary load [J]. Journal of Building Structures,2006,27(5): 93―100. (in Chinese
[4]  冯远),(刘兰花),(易勇),等. 多层钢筋混凝土框架柱震害调查分析与启示[J]. (土木工程学报), 2010,43(10):63―72. Feng Yuan, Liu Lanhua, Yi Yong, et al. Seismic damages of frame columns in multi-storey reinforced concrete buildings: investigation and learning [J]. China Civil Engineering Journal,2010,43(10): 63―72. (in Chinese
[5]  Bragg M B, Gregorek G M. Experimental study of airfoil performance with vortex generators [J]. Journal of Aircraft, 1987,24(5):305―309.
[6]  刘金伟),(朱湛贤),(李丰丰),等. 钢筋钢丝网砂浆加固混凝土梁的抗弯试验研究[J]. (土木工程学报), 2011,28(3):170―176. Liu Jinwei, Zhu Zhanxian, Li Fengfeng, et al. Experimental study on the flexural behavior of RC beams strengthened with steel bar/wire mesh mortar [J]. Engineering Mechanics,2011,28(3): 170―176. (in Chinese
[7]  何红霞). 自密实混凝土增大截面法加固轴心受压柱的研究与应用[D]. 长沙: 中南大学, 2007.
[8]  Calarese W, Crisler W P, Gustsfson G L. Afterbody drag reduction by vortex generators [R]. Reno, N V:AmericanInstitute of Aeronautics and Astronautics, 1985.
[9]  He Hongxia. The research and application of axial compression columns strengthened by self-compacting concrete [D]. Changsha: Central South University, 2007.(in Chinese)
[10]  Rao D M, Kariya T T. Boundary layer submerged vortex generators for separation control an exploratory study [R]. Cincinati, OH, American Institute of Aeronautics and Astronautics, 1988.
[11]  罗素蓉),(郑建岚). 自密实混凝土在加固工程中的应用研究[J]. (建筑材料学报), 2006,9(3):330―336. Luo Surong, Zheng Jianlan. Study on the application of self-compacting concrete in strengthening engineering [J]. Journal of Building Materials,2006,9(3): 330―336. (in Chinese
[12]  McCormick D C. Shock-boundary layer interaction control with low-profile vortex generators and passive cavity [R]. Reno, N V:AmericanInstitute of Aeronautics and Astronautics, 1992.
[13]  罗素蓉),(郑建岚),(王国杰). 自密实高性能混凝土力学性能的研究与应用[J]. (工程力学), 2005,22(1):164―169. Luo Surong, Zheng Jianlan, Wang Guojie. On mechanical property of self-compacting concrete and its engineering application. [J] Engineering Mechanics,2005,22(1): 164―169. (in Chinese
[14]  Yang J S, Seo J K, Lee K B. A number analysis on flow field and heat transfer by interaction between a pair of vortices in rectangular channel flow [J]. Current Applied Physics, 2001,1(4/5):393―405.
[15]  Long Bangyun, Yuan Guanglin, Zhu Danyu. RC beam strengthened with pre-stressed CFP under the secondary load [J]. Journal of China University of Ming &Technology, 2008,(18):0618―0622.
[16]  Lee S, Loth E, Wang C. LES of supersonic turbulent boundary layers with μVGs [R]. Miami, Florida, American Institute of Aeronautics and Astronautics, 2007.
[17]  余江滔),(陆洲导),(张克纯). 震损钢筋混凝土框架节点修复后抗震性能试验研究[J]. (建筑结构学报), 2010,31(12):64―73. Yu Jiangtao, Lu Zhoudao, Zhang Kechun. Experimental study on seismic behavior of strengthened RC column-beam joints damaged by simulated earthquake [J]. Journal of Building Structures,2010,31(12): 64―73. (in Chinese
[18]  吴波),(王维俊). 碳纤维布加固钢筋混凝土框架节点的抗震性能试验研究[J]. (土木工程学报), 2005,38(4):60―83. Wu Bo, Wang Weijun. An experimental study on the seismic behavior of beam-column joints strengthened with carbon fiber sheets [J]. China Civil Engineering Journal,2005,38(4): 60―83. (in Chinese

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133