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曲线箱梁桥的空间传递矩阵

DOI: 10.3969/j.issn.1006-7043.201306086

Keywords: 曲线桥, 箱梁, 空间传递矩阵, 卡式定理, 虚功原理

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Abstract:

为了分析曲线箱梁桥的受力情况,将传递矩阵法用于曲线箱梁桥的受力分析,以变化固定端的悬臂梁作为单元基本计算体系,利用平衡方程、卡式定理及虚功原理推导了弹性曲线箱梁的显式空间传递矩阵,并考虑了截面剪切中心与形心不重合的影响。为验证公式的正确性,分别采用传递矩阵法与有限元法对某一单跨曲线箱梁桥进行空间受力分析,结果显示2种方法计算结果基本吻合,而传递矩阵法划分较少单元却可达到很高的精度,计算效率大大提高。表明该公式正确,推导方法可行,可推广应用于其他结构在不同荷载情况下传递矩阵的推导。

References

[1]  QIAO J L, JIN Y, TIAN W L, et al. The shear-lag effect on curved box girder bridge considering prestress and initial curvature[J]. Applied Mechanics and Materials, 2012, 204: 2100-2104.
[2]  TAYI N, ?ZAKC A M. Free vibration analysis and shape optimization of box-girder bridges in straight and curved planform[J]. Engineering Structures, 2002, 24(5): 625-637.
[3]  CHANDRA MOHAN RAO B D V, RAMANA RAO N V. Analysis and optimization of box girder bridges in curved planform[J]. Journal of The Institution of Engineers (India): Series A, 2012, 93(1): 1-8.
[4]  GOMEZ H C, FANNING P J, FENG M Q, et al. Testing and long-term monitoring of a curved concrete box girder bridge[J]. Engineering Structures, 2011, 33(10): 2861-2869.
[5]  赵青,肖卓. 行波效应对连续曲线箱梁桥地震反应的影响[J]. 地震工程与工程振动, 2010, 3: 123-128.ZHAO Qing, XIAO Zhuo. Effects of traveling wave on seismic responses of continuous curved box-girders bridge[J]. Journal of Earthquake Engineering and Engineering Vibration, 2010, 3:123-128.
[6]  邵容光, 夏淦. 混凝土弯梁桥[M]. 北京:人民交通出版社, 1994: 71-74.SHAO Rongguang, XIA Gan. Curved concrete beam bridge[M]. Beijing: China Communications Press, 1994:71-74.
[7]  田秀兰,陈伏立. 曲线梁桥设计理论述评[J]. 福建建筑, 2005(1): 368-370.TIAN Xiulan, CHEN Fuli. Commentary of the curved bridge design theory[J]. Fujian Architecture and Construction, 2005(1): 368-370.
[8]  常连生,刘衍平. 求解连续梁弯曲的传递矩阵法[J]. 现代电力,1998, 4: 74-79. CHANG Liansheng, LIU Yanping. Transfer matrix method to solve the curved continuous beams[J]. Modern Electric Power,1998, 4: 74-79.
[9]  李惠生.用传递矩阵法计算弯梁的内力和变形[J].桥梁建设, 1991, 1(3): 65-66.LI Huisheng. Internal force and deformation calculations of the curved beams with the transfer matrix method[J]. Bridge Construction, 1991, 1(3): 65-66.
[10]  瞿尔仁, 王建立. 传递矩阵法在曲线桥结构分析中的应用[J]. 合肥工业大学学报: 自然科学版, 1999, 22(6): 73-79.QU Erren, WANG Jianli. Transfer matrix method applied to structural analysis of curve bridge[J]. Journal of Hefei University of Technology: Natural Science, 1999, 22(6): 73-79.
[11]  项贻强, 金海明. 铰接曲板桥传递矩阵法的计算[J]. 华东公路, 1991, 73(6): 53-58. XIANG Yiqiang, JIN Haiming. Calculations of the articulated curved slab-bridge by transfer matrix method[J]. East China Highway, 1991, 73(6): 53-58.
[12]  何云勇.一种分析曲线箱梁剪力滞效应的传递矩阵法[J].重庆交通大学学报:自然科学版, 2010, 29(5): 670-673.HE Yunyong. Transfer matrix method for analyzing shear lag effect of curved box girder bridge[J]. Journal of Chongqing Jiaotong University: Natural Sciences, 2010, 29(5): 670-673.
[13]  孙建鹏. 曲线箱梁桥状态传递理论研究[D]. 西安:西安建筑科技大学, 2010: 48-57.SUN Jianpen. Study on state transfer theory of curved box bridge[D]. Xi’an:Xi’an University of Architecture and Technology, 2010: 48-57.
[14]  王福敏. 曲线梁桥传递矩阵设计法与工程应用实践[M]. 北京:人民交通出版社, 2009: 1-34.WANG Fumin. Transfer matrix design method of the curved girder and its engineering application[M]. Beijing: China Communications Press, 2009: 1-34.

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