Title:
Laboratory Investigation of Concrete Containing Silica Fume for Use in Concrete
Author(s):
Celik Ozyildirim
Publication:
Materials Journal
Volume:
84
Issue:
1
Appears on pages(s):
3-7
Keywords:
air entrainment; bonding; bridge decks; compressive strength; concretes; flexural strength; freeze-thaw durability; permeability; resurfacing; tests; Materials Research
DOI:
10.14359/1904
Date:
1/1/1987
Abstract:
Hydraulic cement concretes containing silica fume were batched and tested in the laboratory to assess their suitability for use in overlays having a minimum thickness 1¬ in. (32 mm). Tests were made for strength, permeability, and freeze-thaw resistance, and the characteristics of air voids in the hardened concrete were determined by petrographic examination. Concretes made with silica fume from two sources at a cement replacement rate of 5 percent by weight and with a water-cement ratio of 0.40 or lower yielded the properties desired for thin overlays. It is thus expected that concretes made with silica fume can provide a cost-effective protective system for bridge decks when placed in overlays having minimum thickness of 1¬ in. (32 mm).