TY  - JOUR
T1  - Effect Superplasticizer and Water-Binder Ratio on Freshened Properties and Compressive Strength of SCC
AU - Hadiwidodo, Yoyok Setyo AU - Mohd, Sabarudin Bin 
JO  - Journal of Engineering and Applied Sciences
VL  - 4
IS  - 3
SP  - 232
EP  - 235
PY  - 2009
DA  - 2001/08/19
SN  - 1816-949x
DO  - jeasci.2009.232.235
UR  - https://makhillpublications.co/view-article.php?doi=jeasci.2009.232.235
KW  - self compacting concrete
KW  -compressive strength
KW  -Freshened properties
KW  -superplasticizer
KW  -water-binder ratio
KW  -workability
AB  - This study presents, the results of an experimental research carried out to investigate the use of tests performed in effectiveness of superplasticizer and water-binder ratio for Self-Compacting Concrete (SCC). The materials employed were cement, silica fume, sand as fine aggregate, a maximum 14 mm diameter coarse aggregate and a policarboxylate based superplasticizer. In this study, four mixtures with variation of superplasticizer, four mixtures with variation of water-binder ratio and one mixture for control were investigated. Several tests such as slump flow, slump flow time (T<SUB>50</SUB>) and J-ring were carried out to determine freshened properties of SCC. Performance of hardened concrete was determined by classical strength test. The compressive strengths at 3, 7 and 28 days were measured. Test results indicate that the slump-flow values of the SCC mixtures were measured between 650-800 and 550-650 mm for variations of superplasticizer and water-binder ratio, respectively. The slump flow time (T<SUB>50</SUB>) was measured when, the concrete was slumping until it reached 500 mm of flow. Flow time (T<SUB>50</SUB>) increase with increasing of water-binder content. However, it is decrease with increasing of superplasticizer content. A lower superplasticizer and W/B ratio leads to a higher strength but lower workability and vice versa.
ER  -