Title: Research of Strengthening Techniques for Cross Tie Beams of a Rigid-Frame Arch Bridge
Abstract:The main bridge of the Second Qinjiang River Bridge in Qinzhou City is 3×63-m span reinforced concrete rigid-frame arch bridge.In the light of the deterioration and causes of the deterioration of the ...The main bridge of the Second Qinjiang River Bridge in Qinzhou City is 3×63-m span reinforced concrete rigid-frame arch bridge.In the light of the deterioration and causes of the deterioration of the tie beams of the bridge,the tie beams were strengthened by the strengthening method of adding of the sectional steel beams.The specific ways of the strengthening were that the existing tie beams were not removed,the new sectional steel beams were added and were connected with the arch ribs by bolts at the ends of the beams.The dynamic properties and stability carrying capacity of the bridge before and after strengthening were compared and analyzed.In accordance with the testing of the strengthened bridge,the following conclusions are drawn,i.e.,the model calculation of the bridge is agreeable with the actual conditions.The strengthening of the bridge by the method as mentioned can increase the transverse rigidity of the bridge,improve the dynamic properties and stability carrying capacity and can be popularized to the strengthening of the cross tie beams of other rigid-frame arch bridges.Read More
Publication Year: 2012
Publication Date: 2012-01-01
Language: en
Type: article
Access and Citation
AI Researcher Chatbot
Get quick answers to your questions about the article from our AI researcher chatbot