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A platform for research: civil engineering, architecture and urbanism
Adsorption of Calcium Lignosulphonate Water Reducer on Alkali-Activated Slag Cement Pastes
This paper shows how calcium lignosulphonate(CSL)water reducer affects the adsorption and rheological properties of alkali-activated slag cement (AASC) pastes activated by NaOH. It was concluded that the adsorption of water reducer on AASC pastes depended directly on the dosage of the water reducer and the retarder. Slag particles grounded with the retarder YP-3 adsorbed one and a half times of water reducer CSL as much as pure slag particles at 1% mass of the slag, and the absolute value increment of the zeta potential of the AASC suspension containing the retarder YP-3 is 14.00 mV, compared with 9.25 mV in the system without YP-3. Besides, the AASC pastes activated by NaOH containing the retarder YP-3 show better rheological properties and lower fluidity loss over time.
Adsorption of Calcium Lignosulphonate Water Reducer on Alkali-Activated Slag Cement Pastes
This paper shows how calcium lignosulphonate(CSL)water reducer affects the adsorption and rheological properties of alkali-activated slag cement (AASC) pastes activated by NaOH. It was concluded that the adsorption of water reducer on AASC pastes depended directly on the dosage of the water reducer and the retarder. Slag particles grounded with the retarder YP-3 adsorbed one and a half times of water reducer CSL as much as pure slag particles at 1% mass of the slag, and the absolute value increment of the zeta potential of the AASC suspension containing the retarder YP-3 is 14.00 mV, compared with 9.25 mV in the system without YP-3. Besides, the AASC pastes activated by NaOH containing the retarder YP-3 show better rheological properties and lower fluidity loss over time.
Adsorption of Calcium Lignosulphonate Water Reducer on Alkali-Activated Slag Cement Pastes
Yang, Chang-Hui (author) / Pan, Qun (author) / Zhou, Huan (author)
2013
4 Seiten
Conference paper
English
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