施工技术 2017年7月下 108 CONSTRUCTION TECHNOLOGY 第46卷第14期 D0I:10.7672/5j52017140108 高墩大跨连续刚构叠箱渡槽充水试验与建模分析 张玉民 (中铁十二局集团第二工程有限公司，山西太原030032) [摘要]针对山区长距离输水面临的水头、地形、地质条件的制约，黔中水利枢纽徐家湾渡槽采用了高墩大跨度连 续刚构设计，其最大墩高达92m 最大单跨达180m 均位居世界前列，为验证其安全合理性，进行了充水试验箱梁竖 向位移监测与建模分析.数值模拟计算结果与现场实际监测数据对比结果表明：模拟数值解与监测数据符合良 好，从而验证了本文叠箱渡槽结构静力分析模型的正确性，其建模方法可供类似连续刚构渡槽数值模拟参考，为完 善渡槽研究积累了资料. [关键词]渡槽；试验；监测；位移；有限元分析 [中图分类号]TV672*.3 [文献标识码]A [文章编号]1002-8498(2017)14-0108-04 Filling Test and Modeling Analysis of a Continuous Rigid Frame Folded Box Aqueduct with High Pier and Large Span ZHANG Yumin The Second Engineering Co.Lid.of the Twelfth Bureau Group of China Railway Taiyuan Shanxi 030032 China) Abstract:High pier and long span continuous rigid frame aqueduct was used in Xujiawan of Qianzhong hydro-junction project to acmodate water head topography and geological conditions in long distance water diversion project in mountainous area with the highest pier of 92m and the largest single span of 180m all over the world.Filling test and modeling analysis were conducted to check the safety of the aqueduct.Comparing numerical simulation results and the actual monitoring data of box girder vertical displacement under filling the results show that the numerical solution is in good agreement with monitoring data confirming the static model of the folded aqueduct and the modeling method can be used for reference in the similar numerical simulation of continuous rigid-framed aqueduct accumulate data for the research of perfecti...
高墩大跨连续刚构叠箱渡槽充水试验与建模分析.pdf
