NV C-5 Concrete Practice Questions - Nevada C-5 Concrete Contractor Examination Exam

Why must bleed water disappear before a slab is steel-troweled?

Working bleed water into the surface raises the surface w/cm and causes dusting, scaling, or delamination Bleed water is required for air entrainment Bleed water doubles the 28-day strength ACI 318 requires troweling to start 10 minutes after screeding

Correct Answer:

Working bleed water into the surface raises the surface w/cm and causes dusting, scaling, or delamination

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