摘要
在介绍国内外桥墩局部冲刷公式的基础上,以泰州长江公路大桥为例,验算了我国现行规范中的桥墩局部冲刷计算公式,分析局部冲刷的影响因素。结果表明:桥墩非黏性土冲刷公式中,65-1修正式计算结果较为合理;影响桥墩局部冲刷深度的因素有潮流作用和偏角大小。
On the basis of introducing local erosion formula,the erosion calculation formula of pier in existing standard in China is checked,the local erosion mechanism and erosion shape in the sinking process of steel open caisson are studied,the influence factors of local erosion are analyzed.The results show that for the erosion formula of non-viscous soil of the pier,formula 65-1 is reasonable;the influence factors for the depth of local erosion are tidal action and declination.
出处
《公路》
北大核心
2012年第4期16-20,共5页
Highway
关键词
局部冲刷
计算公式
潮流作用
偏角影响
local erosion
calculation formula
tidal action
declination
