缓凝高效减水剂是以萘系减水剂，及适量缓凝成份，兼有合理引气成份组成。本产品减水率高，增强效果显著，可明显改善混凝土流动性和工作度，初凝前缓凝效果明显，终凝后早强效果显著，能大幅度提高混凝土各龄期的强度，对水泥品种适应较广泛。对钢筋无锈蚀，与硅粉或矿物超细掺合料复合掺用，可配制C80以下高强混凝土。
...缓凝高效减水剂； 防水混凝土； 工程应用 [gap=780]Key words : multifunction water repellent admixture ； set retarding superplasticizer； waterproof concrete； engineering application ..
基于90个网页-相关网页
... 缓慢释放 slow-released 缓凝高效减水剂 retarding superplasticizer 缓倾 low-angle ...
基于12个网页-相关网页
萘系高效减水剂 FDN 缓凝高效减水剂 set retarding super plasticizer ; setretarder superplasticizer 氨基磺酸盐高效减水剂 aminosulphonate based superplasticizer ..
基于12个网页-相关网页
...国论文网 关键词】缓凝高效减水剂；配合比设计；坍落度；控制情况 [gap=527]keywords 】 retarders as well as superplasticizer; Mix design; slump; Control situation ...
基于1个网页-相关网页
通过缓凝三元复合制成缓凝高效减水剂，延长初凝时间至20 小时以上，并且对混凝土后期强度无副作用。
Mix with setretarder could make compound dispersants setretarder superplasticizer which could extend initial setting time up to 20h and no negative effect on late compressive strength.
研究了木素磺酸钙的氧化磺化等复合改性工艺，合成了以木素磺酸钙为主要原料的低成本缓凝高效减水剂GCL1。
A low cost retarded high range water reducing agent GCL1 was prepared via oxidation and sulfonation modification using calcium lignosulfonate as primary raw material.
试验结果表明，复合使用高效减水剂和缓凝剂，能有效控制混凝土坍落度经时损失。
Experiment results showed that compound use of efficient water-reducing admixture and retarding agent can efficiently control the pumped concrete slump loses through time.
应用推荐