Title:
Effects of Testing Variables' Effects on the Comparison of Ceoprene Pad and Sulfur Mortar-Capped Concrete Test Cylinders
Author(s):
David N. Richardson
Publication:
Materials Journal
Volume:
87
Issue:
5
Appears on pages(s):
489-495
Keywords:
capping; compressive strength; concretes; cylinders; mechanical tests; neoprene; quality control; sulfur; tests; Materials Research
DOI:
10.14359/1890
Date:
9/1/1990
Abstract:
The comprehensive strengths of 127 pairs of 6 x 12 in. (152 x 304 mm) concrete cylinders capped with neoprene pads restrained by aluminum caps were compared to cylinders capped with a traditional sulfur mortar compound. Twelve testing variables were examined to determine whether the two capping methods would give similar results under different testing conditions. Although neoprene caps gave significantly different results from the sulfur caps for several testing variables, the results were not significantly different from the mean of the sulfur-capped specimens when proper ASTM procedures were followed for molding and testing cylindrical specimens.