白糖与木质素磺酸钠改善水泥稳定再生集料性能

（湖南云中再生科技股份有限公司，湖南 长沙  410000）

    摘要：通过试验复配出一种适用于水泥稳定再生集料的缓凝减水剂。结果表明，白糖具有较好的缓凝效果，而木质素磺酸钠兼具减水和缓凝作用；白糖和木质素磺酸钠复配对水泥稳定再生集料的无侧限抗压强度提高效果明显，随水泥掺量增加，高木质素磺酸钠掺量效果更明显。

    关键词：白糖；木质素磺酸钠；水泥稳定再生集料；无侧限抗压强度

    中图分类号：TQ177.3+78.3        文献标识码：A        文章编号：1001-702X（2018）09-00

 

The study of white sugar and sodium lignosulphonate to improving the property of

cement stabilized recycled aggregate

WAN Shu，OUYANG Tianzi，WU Chaofan，ZHANG Jisen

（Hunan Yunzhong Regeneration Technology Co. Ltd.，Changsha 410000，China）

   Abstract：The purpose of this study is to compound a kind of retarded water reducer which is suitable for the cement stabilized recycled aggregate. It found that white sugar has a better retarding effect，while sodium lignosulfonate has both water reduction and retarding effect. The combination of white sugar and sodium lignosulfonate had an obvious effect on increasing the unconfined compressive strength of cement stabilized recycled aggregates. With the increase of cement content，the high content of sodium lignosulfonate had better performance on improving the strength.

    Key words：white sugar，sodium lignosulfonate，cement stabilized recycled aggregate，unconfined compressive strength