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Table 7 Results of experimental packing density tests for mix with natural sand

From: Mechanical Properties of Ultra-High Performance Concrete (UHPC) and Ultra-High Performance Fiber-Reinforced Concrete (UHPFRC) with Recycled Sand

 

Volume-base (m3)

Void ratio (solid ratio)

C

SF

QP

NS

W

Total

W-NS-1 (Reference)

0.283

0.018

0.053

0.432

0.214

1.0

0.215 (0.785)

Mass-base (kg/m3)

C

SF

QP

NS

W

Total

891

39

141

1,158

214

2,443

  1. 1. W-NS-n, W wet packing, NS natural sand, n batch number; 2. binder:sand = 45%:55% by vol.; 3. (SF + QP) replaces binder by 20%. by vol; 4. SF:QP = 25%:75% by vol.; 5. W/B = 0.20; 6. SP and DF amount is 4% and 0.1% of binder, respectively