摘要
基于西宁市湟水河大桥考虑不同铺装结构的研究表明,相较于C40混凝土,采用轻骨料混凝土进行桥面铺装,可减少20%自重;跨中位移减少12.5%;跨中纵桥向界面拉应力减少12.2%。所得结论可为轻骨料混凝土在桥梁维修加固工程中的应用提供参考。
Based on the study of Huangshui River Bridge in Xining with the different paving structures,compared with C40 concrete, the use of the lightweight aggregate concrete to pave the bridge deck can reduce the dead weight by 20%, reduce the displacement in the midspan by 12.5% and reduce the interface tensile stress of the midspan longitudinal bridge by 12.2%. The obtained conclusion can provide the reference for the application of lightweight aggregate concrete in the bridge maintenance and reinforcement.
出处
《城市道桥与防洪》
2022年第8期205-207,M0021,M0022,共5页
Urban Roads Bridges & Flood Control
关键词
轻质混凝土
铺装
跨中位移
界面应力
lightweight concrete
pavement
midspan displacement
interface stress
