Finite element simulation on 0# Block with V-shaped support
-
摘要: 以某V形支撑连续刚构桥为工程背景,对V形支撑0号块进行施工阶段分析和施工工况分析. 计算分析得到如下结论:V形支撑0号块在施工过程中的应力满足规范要求,其施工过程中的受力特性可供设计和施工人员参考;V形支撑0号块对顺桥向水平位移和竖向位移较为敏感,在施工过程中应该注意结构的位移监测;施工工况分析的结果与更为真实的施工阶段分析的结果存在一定差距,在实际的工程计算中应尽可能采用施工阶段分析.Abstract: With the V-shaped support continuous rigid frame bridge as the engineering background, the 0# block with V-shaped support was used for the construction stage analysis and construction working condition analysis. According to the analysis results, the following conclusions can be drawn: The stress of the 0# block with V-shaped support met the specification requirements during the construction process, and the stress characteristics during the construction process can be used for reference by designers and constructors. The 0# block with V-shaped support was more sensitive to horizontal displacement along the bridge and vertical displacement, and structural displacement monitoring should be paid attention to during the construction process. There is a certain gap between the analysis results of the construction working condition analysis and the more real analysis results of the construction stage, and the construction stage analysis is used as much as possible in the calculation and analysis of the actual project.
-
[1] 唐杨. 国内V形支撑结构桥梁的设计与研究综述[J] . 特种结构,2019,36(3):101 − 115. doi: 10.3969/j.issn.1001-3598.2019.03.019 [2] 陈品明, 卞绍洋, 叶斌. 基于连续刚构桥 V形墩的极限承载能力应用[J] . 公路工程,2017,42(2):182 − 186. doi: 10.3969/j.issn.1674-0610.2017.02.035 [3] 张亚东, 张依睿. V形墩连续刚构桥结构设计与分析[J] . 南京工程学院学报,2017,15(2):29 − 33. [4] 郁钧辉, 王春, 叶贵如. V形墩刚构桥顶推过程局部应力分析[J] . 华东公路,2013(3):3 − 6. [5] 刘孝武, 袁明军, 张海旭, 等. 大跨度V型墩节点施工过程的三维仿真分析[J] . 工程与建设,2014,28(4):433 − 435. doi: 10.3969/j.issn.1673-5781.2014.04.001 [6] 韩保勤, 张孝铭. V形墩连续刚构桥施工控制研究[J] . 公路交通科技(应用技术版),2016(11):201 − 203. [7] 曾勇, 张路, 唐杨, 等. 大跨预应力混凝土连续梁桥带腹拱的V形0#节段空间应力分析[J] . 结构工程师,2019,35(6):43 − 48. doi: 10.3969/j.issn.1005-0159.2019.06.006 [8] 唐杨, 任荣, 王大为, 等. 填充混凝土对V形钢墩刚构-连续梁桥船撞桥墩的影响研究[J] . 陕西理工大学学报(自然科学版),2020,36(5):57 − 63. [9] 李立峰, 邵旭东, 赵华, 等. 长沙湘江南大桥V形腿设计与分析[J] . 公路,2002(11):32 − 36. doi: 10.3969/j.issn.0451-0712.2002.11.008 [10] 李旺丰. V形支撑结构施工阶段的空间应力分析[J] . 北方交通,2008(6):96 − 99. doi: 10.3969/j.issn.1673-6052.2008.06.036