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Lignosulfonate Concrete Plasticizer: Mechanism, Limitations and Mix Testing
Lignosulfonate is a conventional anionic concrete admixture that may provide cement-particle dispersion, moderate water-reduction support and set-control effects in suitable mixtures. Performance is governed by the exact lignosulfonate grade, cement chemistry, supplementary cementitious materials, aggregate moisture, water quality, temperature and admixture combination. It should be selected through comparative mix testing rather than a universal dosage…