2012, Volume 14, Issue 5
Strategic Study of CAE >> 2012, Volume 14, Issue 5
Physics model experimental research on the bearing capability of the middle tower caission foundation of Taizhou Bridge
1.School of Earth Sciences and Engineering, Hohai University, Nanjing 210098, China;
2.Jiangsu Provincial Yangtze River Highway Bridge Construction Commanding Department, Taizhou, Jiangsu 225321, China;
3. College of Mechanices and Materials, Hohai University, Nanjing 210098, China
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Abstract
The foundation of the middle pylon of Taizhou Bridge is located above the overlying deposit with the height of 200 m in the water. The round rectangular caisson foundation with the plane dimension of 58 m×44 m and the height of 76 m is employed. To verify the safety and stability of the middle pylon of Taizhou Bridge, a physics model with the scale of 1∶100 to the real structure is built up. The ultimate bearing capacity of the caisson foundation and the influence of sinking depth, soil moisture content, and the side wall friction on the bearing capacity are obtained.
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References
[ 1 ] 童小东，殷永高，徐敏，等．沉井基础竖向承载力试验研究［Ｊ］．地下空间与工程学报，２００９，５（５）：８９７－９０２． link1
[ 2 ] 卢中一，高正荣．泰州大桥施工期局部冲刷试验报告［Ｒ］．南京：江苏省长江公路大桥建设指挥部，２００７．
[ 3 ] 邵国建，胡丰．泰州大桥中塔沉井基础承载能力研究报告［Ｒ］．南京：江苏省长江公路大桥建设指挥部，２０１１．
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