公路工程反滤设计的方法和建议

Methods and Suggestions for the Filter Layer Design in Highway Engineering

公路工程反滤设计的理论方法正在发展之中, 存在方法多, 难以取用; 要求严, 料难找,施工难度大, 费用高等问题. 本文在总结公路、水利等行业反滤设计理论方法的基础上, 提出了公路工程反滤设计的渗透破坏类型及条件、反滤设计准则、反滤料允许的均匀程度、反滤层层数及反滤层厚度的确定原则等理论方法.

Since the theoretical methods of the filter design in highway engineering is still under development,there are still many problems: many existing methods are hard to choose; the requirement is strict; the materialsare hard to find; the constructions are difficult; the cost is high and so on. Based on concluding the theory of thefilter design in the highway and hydraulic trade, a theory about the types and conditions of the infiltrationdestruction is presented, the filter design norms, filter materials' homogeneous degree, the principle to identifythe number and the thickness of the filter layer are provided.