桥梁浅基是指在通过设计流量的情况下,桥墩台基底在最大冲刷线以上,或虽在最大冲刷线以下但没有足够的安全深度者。浅基桥梁不但使汛期行车安全受到威胁,严重的还造成桥梁水毁事故,使墩倾梁倒,行车中断。在政治、经济和国防上都会产生不良影响。此类事故多因墩台被水流冲毁,属于桥梁结构本身破 Bridge shallow base refers to the design of flow in the case of piers abutment base in the largest scour line above, or although the maximum scour line below but not enough depth of security. The shallow foundation bridge not only threatens traffic safety during the flood season, but also seriously damages the bridge and causes the pouring pier to be overturned and the traffic stopped. In the political, economic and national defense will have a negative impact. Such accidents are mostly washed away by pier flow, belonging to the bridge structure itself broken