| 连续梁桥上部结构位移零点的确定 |
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| 引用本文： | 王鹏程. 连续梁桥上部结构位移零点的确定[J]. 山西建筑, 2007, 33(15): 342-344 |
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| 作者姓名： | 王鹏程 |
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| 作者单位： | 山西省交通规划勘察设计院,山西太原,030012 |
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| 摘 要： | 以一座装配式预应力混凝土先简支后连续小箱梁桥为例,对连续梁桥上部结构位移零点的含意,具体计算确定进行了分析计算,并阐述了上部结构位移零点对桥墩水平力、伸缩缝设计的影响,对于下部墩台结构的设计、伸缩缝的选择均有重要的意义。
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| 关 键 词： | 位移零点 刚度 伸缩缝 |
| 文章编号： | 1009-6825(2007)15-0342-03 |
| 修稿时间： | 2007-01-10 |
Determination of zero displacement point of superstructure of continuous beam bridge |
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| WANG Peng-cheng. Determination of zero displacement point of superstructure of continuous beam bridge[J]. Shanxi Architecture, 2007, 33(15): 342-344 |
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| Authors: | WANG Peng-cheng |
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| Affiliation: | WANG Peng-cheng |
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| Abstract: | Taking one fabricated continuous prestressed concrete bridge erected as simple-supported beam the meaning of zero displacement point of superstructure as well as calculation method is introduced.The influences of zero displacement point of superstructure on distribution of horizontal force and setting of expansion joint are discussed in order to provide references for design of sub-pier structure and expansion joint. |
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| Keywords: | zero displacement point rigidity expansion joint |
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