大体积混凝土的泌水现象

甘肃省平凉市双桥路泾河大桥桥梁宽度24.4m,桥面为双向四车道。大桥上部结构采用预应力混凝土简支箱梁＋预应力混凝土下承式系杆拱桥＋预应力混凝土间支箱梁。本文以该桥为例,对其混凝土泌水原因进行了分析,并提出了有效的措施。

The Phenomenon of Large Volume Concrete Bleeding

The bridge over the Jing River in Pingliang city of Gansu province is 24.4m wide, and is of tow lanes on either side. The upper structure of bridge is a combination of a prestressed concrete supported box girder, a prestressed concrete tied arch bridge and a prestressed concrete box girder. In this paper, the author took the bridge as an example analyzing the reasons for its concrete bleeding and puting forward some effective measures.