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摘要:
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针对小跨多室箱梁的横桥向刚度较弱、整体性不强的特点,本文提出了计算小跨多室箱梁荷载横向分布系数的一种简化方法。通过与三维有限元方法的比较,证明该简化方法力学概念正确,计算过程简便,计算精度可靠,满足工程设计的需要。
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Against the weak rigidity and integrity of multicell box girders with small span in their transverse direction,a simplified method is proposed in the paper for calculationg the coefficients of transverse distribution of loads on the multicell box girders with small span.Compared with the 3D finite element model,the proposed method is correct in mechanical concept,simple in calculation procedures and reliable in calculated accuracy,meeting the requirements for engineering designs.
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作者简介:
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参考文献:
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[1] 李国豪,石洞.公路桥梁荷载横向分布计算[M].北京:人民交通出版社,1987.
[2] 范立础.桥梁工程[M].北京:人民交通出版社,1996.
[3] 范立础.预应力混凝土连续梁[M].北京:人民交通出版社,1988.
[4] 项海帆.高等桥梁结构理论[M].北京:人民交通出版社,2001.
[5] 孙广华.曲线梁桥计算[M].北京:人民交通出版社,1995.
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