Table 11 Effect of w/b and curing regime on UHPC porosity.
References | UHPC type | w/b | Curing regimes | Total porosity (%) |
|---|---|---|---|---|
Heinz and Ludwig (2004) | Fiber cocktail | 0.22* | 20 °C and 93 % RH | 8.2 |
65 °C and 93 % RH | 5.3 | |||
90 °C and 93 % RH | 4.2 | |||
105 °C and 93 % RH | 4.0 | |||
120 °C and 93 % RH | 3.5 | |||
180 °C and 93 % RH | 2.9 | |||
Herold and Muller (2004) | With steel fiber | 0.16 | 20 °C | 10.5 |
90 °C for 2 days | 6.4 | |||
Cwirzen (2007) | No steel fibers | 0.17 | Storage at 95Â % RH | 5.8 |
90 °C for 4 days | 1.1 | |||
Scheydt and Muller (2012) | With steel fibers | 0.21 | Water cured at 28 °C | 8.9 |
90 °C for 3 days | 5.4 | |||
No steel fibers | Water cured at 28 °C | 10.9 |