【摘要】 引气混凝土 (加入引气剂的混凝土 )较一般混凝土在保证强度下 ,具有抗渗及抗冻性高的优点。为研究其用于渠道防渗工程的可能性 ,作者在室内试验的基础上 ,在九支渠防渗工程中作了现场试验 ,现简介如后 ,供交流与参考。更多还原

【Abstract】 The air entrained concrete has the advantage of high impermeability and frost re sistance. This paper introduces the field experiment in seepage control works of ninth branch canal on the base of indoor experiment in order to research its po ssibility to use in seepage control works of canal.更多还原