期刊论文

Fatigue performance and fatigue damage mechanism of steel plate-UHPC composite bridge deck

中文

土木工程学报

1000-131X

2023

56

09

39-53

国家自然科学基金(52078059,51808055)； 湖南交通科技项目(202016)； 湖南省研究生科研创新项目(CX20210767)； 湖南省教育厅优秀青年项目(18B131)；

本校为第一机构

以国内某在建双塔双索面混合梁斜拉桥为工程背景,针对首次提出并使用的8mm平钢板+15cm UHPC层+PBL剪力键的平钢板-UHPC组合桥面板,进行三块足尺组合桥面板负弯矩疲劳荷载试验及其研究。试验过程中,每间隔一定疲劳...展开更多 以国内某在建双塔双索面混合梁斜拉桥为工程背景,针对首次提出并使用的8mm平钢板+15cm UHPC层+PBL剪力键的平钢板-UHPC组合桥面板,进行三块足尺组合桥面板负弯矩疲劳荷载试验及其研究。试验过程中,每间隔一定疲劳加载次数停机进行静载测试,采集静载作用下试件的裂缝宽度、跨中挠度、UHPC表面应变、钢底板应变、受拉钢筋应变等。试验结果表明:①UHPC受拉区纵筋配筋率1.58%的...

Based on a hybrid girder cable-stayed bridge with two towers and double cable planes in China,full-scale fatigue tests of three steel plate-UHPC composite bridge deck(8 mm steel plate+15 cm UHPC layer+PBL shear connectors)were conducted to investigate the fatigue behavi...MORE Based on a hybrid girder cable-stayed bridge with two towers and double cable planes in China,full-scale fatigue tests of three steel plate-UHPC composite bridge deck(8 mm steel plate+15 cm UHPC layer+PBL shear connectors)were conducted to investigate the fatigue behavior of the composite bridge deck under hogging moment...