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大跨连续梁桥施工过程受力分析对比研究 被引量:5

Comparative study on stress analysis of long-span continuous beam bridge during construction
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摘要 对于大跨度连续梁,可采用挂篮悬浇法与分节段支架现浇法进行施工。以某大跨度连续梁桥为实例,通过对采用两种不同施工方法的桥梁结构进行计算分析,发现分节段支架现浇法与挂篮悬浇法相比,具有结构位移小,内力小特点,在某些特定条件下,可作为悬浇施工法的替代。 For long-span continuous beam,cantilever casting method and segmental support casting method can be used for construction.Taking a long-span continuous beam bridge as an example,through the calculation and analysis of the bridge structure adopting two different construction methods,it is found that the segmental support cast-in-place method has the characteristics of small structural displacement and small internal force compared with the cantilever casting method,which can be used as an alternative to the cast-in-place method under certain conditions.
作者 郝俊 Hao Jun(Nanning Zonghengshidai Construction Investment Co.,Ltd.,Nanning 530000,China)
出处 《山西建筑》 2020年第8期118-120,共3页 Shanxi Architecture
关键词 大跨度 预应力连续梁 悬浇施工 long-span prestressed continuous beam cantilever casting construction
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