混凝土T梁桥腹板区域斜裂隙监测实验研究  

Experimental Research on Monitoring of Diagonal Cracks in Web Area of Concrete T-beam Bridge

作　　者：俞伟山 YU Wei-shan(Xingjiang Luhong Highway Survey and Design Co.,Ltd.,Urumqi 830000,China)

机构地区：[1]新疆路虹公路勘察设计有限公司,乌鲁木齐市830000

出　　处：《北方交通》2020年第5期28-31,共4页Northern Communications

摘　　要：基于宏应变FBG传感器功能原理,借助混凝土T型梁桥腹板区域斜裂隙监测分析,对基于FBG宏应变的混凝土T型梁桥腹板区域斜裂隙进行监测,检测分析荷载与承拉应变影响下的腹板区域斜裂隙发展状态,阐述了FBG宏应变传感器在混凝土T型梁桥腹板区域斜裂隙监测上的技术适用性。Based on the function principle of the FBG macrostrain sensor,with the aid of the monitoring analysis of the diagonal cracks in the web area of the concrete T-beam bridge,the diagonal cracks in the web area of the concrete T-beam bridge are monitored based on the FBG macrostrain,the development state of the diagonal cracks in the web area under the influence of the load and the bearing strain is detected and analyzed,and the technical applicability of FBG macrostrain sensor on the monitoring of the diagonal cracks in the web area of the concrete T-beam bridge is elaborated.

关 键 词：混凝土T梁桥 宏应变传感器 形变监测 腹板区域 斜裂隙 

分 类 号：U446.2[建筑科学—桥梁与隧道工程]