Title:
Long-Term Characteristics of a Very High Strength Concrete
Author(s):
P.-C. Aitcin, S. L. Sarkar, and P. LaPlante
Publication:
Concrete International
Volume:
12
Issue:
1
Appears on pages(s):
40-44
Keywords:
chlorides; compressive strength; C-S-H; electron microscopes; cores; ettringite; high-strength concretes; long-time study; microcracking; microstructure; performance; permeability; shrinkage; strains; Construction
DOI:
Date:
1/1/1990
Abstract:
Describes testing on cores taken two and four years after construction of an experimental high-strength concrete column. Core compressive strength equalled that of cube specimens cured in lime-saturated water at room temperature for 28 days, and after four years the concrete had retained a very dense microstructure without network microcracking. Recorded strains show very few volumetric changes in the concrete in the time since placement.