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Table 5 Influence of pumping on fresh properties of the field applied FRC.

From: Evaluation on Protection Performance and On-Site Applicability of Hybrid Fiber-Reinforced Concrete

Experimental conditionsa Slump (mm) Slump flow (mm) Air content (%)
The first test
 Before pumping 130 225/220 4.0
 After pumping 170 240/300 3.6
The second test
 Before pumping 135 230/240 3.8
 After pumping 160 310/280 3.5
  1. aThe fresh state concrete tests were conducted with the concrete mixture obtained from the randomly chosen agitator trucks: the first and fifth trucks arrived in the field were chosen.