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Table 2 Concrete mix ratio.

From: Experiment and Analysis of Mechanical Properties of Lightweight Concrete Prefabricated Building Structure Beams

Category Plain concrete Per m3 Ceramsite concrete Per m3 Foamed concrete Per m3
Cement (kg) 434.0 (18.1%) 434.0 (26.1%) 557.3 (27.9%)
Mineral powder (kg) 144.7 (6.0%) 144.7 (8.7%) 268.3 (13.4%)
Sand (kg) 700.4 (29.2%) 700.4 (42.2%) 990.7 (49.5%)
Water reducing agent (kg) 15.0 (0.6%) 15.0 (0.9%) 18.6 (0.9%)
Water (kg) 138.8 (5.8%) 138.8 (8.4%) 165.1 (8.3%)
Gravel (kg) 967.2 (40.3%)
Ceramsite (kg) 228.5 (13.8%)
Foam (L) 516