局部轮压下四边简支玻璃桥面板弯曲性能

doi:10.6040/j.issn.1672-3961.0.2021.561

山东大学学报 (工学版) ›› 2022, Vol. 52 ›› Issue (4): 157-165.doi: 10.6040/j.issn.1672-3961.0.2021.561

• • 上一篇

局部轮压下四边简支玻璃桥面板弯曲性能

程高^1,2,3,文博华¹,唐鹏¹,苏巨峰^1,4

1.长安大学公路学院, 陕西西安 710064;2.公路大型结构安全教育部工程研究中心, 陕西西安 710064;3.公路桥梁与隧道陕西省重点实验室, 陕西西安 710064;4.西安长安大学工程设计研究院有限公司, 陕西西安 710064

发布日期:2022-08-24
作者简介:程高(1988— ),男,河南泌阳人,高级工程师,博士生导师,主要研究方向为钢与组合结构桥梁. E-mail:chenggaocg@163.com
基金资助:
国家自然科学基金资助项目(51878059);陕西省自然科学基金资助项目(2018JQ5219);榆林市科技资助项目(2020-12)

Bending performance of four-side simply supported glass bridge deck under local wheel pressure

CHENG Gao^1,2,3, WEN Bohua¹, TANG Peng¹, SU Jufeng^1,4

1. School of Highway, Chang'an University, Xi'an 710064, Shaanxi, China;
2. Large Structures Highway Safety Engineering Research Center of the Ministry of Education, Xi'an 710064, Shaanxi, China;
3. Shaanxi Provincial Major Laboratory for Highway Bridge &
Tunnel, Xi'an 710064, Shaanxi, China;
4. The Engineering Design Academy of Chang'an University Co., Ltd., Xi'an 710064, Shaanxi, China

Published:2022-08-24

摘要/Abstract

摘要： 基于薄板大挠度弯曲理论,应用Navier法推导局部均布荷载作用下玻璃桥面板挠度、应变及弯矩的计算公式。设计四边简支玻璃板试件,进行局部受压试验,得到玻璃板挠度及应变,并与理论计算结果进行对比分析研究。研究表明:局部轮压下四边简支玻璃桥面板挠度与板厚同属于毫米级,且随荷载增加呈非线性变化特征,符合薄板大挠度理论计算假定。理论计算的挠度、应变与试验吻合较好,沿各测点变化趋势一致,重三角级数形式挠曲线函数能较好地模拟玻璃桥面板弯曲行为。采用挠度、应力、应变及弯矩解析式进行局部轮压下四边简支玻璃桥面板设计计算时建议取至少13阶级数进行计算,此时计算误差可控制在3%以内。

关键词: 桥梁工程, 玻璃桥面板, 薄板大挠度理论, 局部轮压, 解析解

中图分类号:

U441

程高,文博华,唐鹏,苏巨峰. 局部轮压下四边简支玻璃桥面板弯曲性能[J]. 山东大学学报 (工学版), 2022, 52(4): 157-165.

CHENG Gao, WEN Bohua, TANG Peng, SU Jufeng. Bending performance of four-side simply supported glass bridge deck under local wheel pressure[J]. Journal of Shandong University(Engineering Science), 2022, 52(4): 157-165.

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局部轮压下四边简支玻璃桥面板弯曲性能

Bending performance of four-side simply supported glass bridge deck under local wheel pressure

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