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Title: Effect of Retarders/Water Reducers on Slump Loss in Superplasticized Concrete

Author(s): V. S. Ramachandran

Publication: Symposium Paper

Volume: 68


Appears on pages(s): 393-408

Keywords: admixcretes; hydratio setting (hardeni workability. tures; calorimeters; compressive strengt n; mix proportioning; plasticizers; reta ng); slump tests; water-reducing agents; h; con-rders;

DOI: 10.14359/6483

Date: 1/1/1981

a few as Ca-acid, concre Of the slump in mor Superpla hours. The e lignosulfonat Na-heptonate te containing se admixtures loss; the inf tars was also sticized concrete 1 ffect of different , sucrose, Na-glut and Na-boroheptonat sulfonated melamin Na-gluconate prov luence on setting t examined. oses its workability within amounts of admixtures, such onate, citric acid, salicylic, on the slump loss of formaldehyde is reported. to be the best retarder of times and strengthdevelopment


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