期刊论文

中文

应用力学学报

1000-4939

2023

40

04

855-864

10.11776/j.issn.1000-4939.2023.04.015

国家自然科学基金资助项目(No.51408617) 湖南省省级工程建设新技术研发与软科学研究计划资助项目(No.430S00711/2018-42557)。

本校为第一机构

以吉首市综合管廊一期工程为背景，基于预制管廊施工回填过程中的原型观测试验和ABAQUS中的“生死单元”功能，建立管廊施工回填过程的三维动态数值模型，研究施工回填过程中装配式管廊的受力变形特性。结果表明：回填阶段管廊结构受力变形呈“两阶段”变化，管廊覆土深度小于2 m时，管廊结构整体上受力变形较小，管廊覆土深度大于2 m时，管廊结构受力变形基本呈线弹性增长；覆土荷载对预制段、现浇段、预制段与现浇段搭接3种不同断面处的管廊结构产生的纵向受力变形整体上大于横向变形，管廊结构顶板和底板跨中位置受力变形明显；就断面变形差异而言，预制段与现浇段搭接处横向受力变形明显。考...

Taking the first phase of the integrated pipe gallery in Jishou City as the background,based on the prototype observation test during the backfilling process of the prefabricated pipe gallery and the“life and death unit”function in ABAQUS,a three-dimensional dynamic num...MORE Taking the first phase of the integrated pipe gallery in Jishou City as the background,based on the prototype observation test during the backfilling process of the prefabricated pipe gallery and the“life and death unit”function in ABAQUS,a three-dimensional dynamic n...