High-Range Water-Reducing Admixtures; Effect on the Air-Void System in Air-Entrained and Non-Air-Entrained Concrete

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Title: High-Range Water-Reducing Admixtures; Effect on the Air-Void System in Air-Entrained and Non-Air-Entrained Concrete

Author(s): Richard C. Mielenz and James H. Sprouse

Publication: Special Publication

Volume: 62

Issue:

Appears on pages(s): 167-192

Keywords: admixtures; air-entrained concretes; air entrainment; compressive strength; concrete durability; concretes; freeze-thaw durability; fresh concretes; hardened concretes; laboratories; plasticizers; tests; water content; water-reducing agents

Date: 1/1/1979

Abstract:
Four commercial high-range water-reducing admixtures based on naphthlanene-sulfonic acid-formaldehyde condensation products and two commerical admixtures of this type based on melamine-sulfonic acid formaldehyde condensates were investigated to determine their effect on the air-void system in fresh and hardened concrete.