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Table 1 Mix design ratios and slump flow spread of the tested cement paste.

From: Development of a 3D Printer for Concrete Structures: Laboratory Testing of Cementitious Materials

Mix designCement (g)Water (g)Percentage of cement (%)W/CSlump flow spread (mm)
1-12000660303.030.33220
1-240001280312.50.32200
1-32000600333.330.30190
1-42000580344.830.29185