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15问答网 > 桥面碎石肓沟与上面层沥青砼之间还用洒粘层吗？洒了会影响排水吗

桥面碎石肓沟与上面层沥青砼之间还用洒粘层吗？洒了会影响排水吗

2025-03-28 10:26:59

推荐回答（1个）

回答1：

为了加强路面沥青层之间，沥青层与水泥混凝土面板之间的粘结而洒布的薄沥青层。
一般用量为0.4—0.6 kg/m 2 ，具体用量可根据乳化沥青的浓度（沥青含量）进行调整，调整原则是确保在整个层面提供不大于0.2 kg/m 2 的残留沥青连续封面。从对所去芯样的劈裂试验结果来看，各面层结合处的断裂面均为不规则状,表明结合面的粘结强度大于或等于混合料本身的粘结强度，优于未进行粘层油层间处理的结合强度。
影响有但微不足道

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