【摘要】 扎龙湿地应急调水枢纽工程中的节制闸、分水闸以及下游挡土墙基础有抗冻要求需要换填中粗砂。本文简要介绍工程的细集料、粗集料、水撼砂的技术要求 ,施工及检测方法更多还原

【Abstract】 The regulating lock,the diversion sluice and the breast wall foundation in low reaches in the jury water diversion pivot engineering in Zhalong marshland need to be filled with harsh sand.This paper briefly introduces the technical demand of fine aggregate,coarse aggregate and the water-shaking grit,construction and the examination.更多还原