Title:
Development of a Field Permeability Test Apparatus and Method for Concrete
Author(s):
Constantine A. Meletiou, Mang Tia and David Bloomquist
Publication:
Materials Journal
Volume:
89
Issue:
1
Appears on pages(s):
83-89
Keywords:
accelerated tests; concretes; field tests; laboratories; nondestructive testing; permeability; test equipment; Materials Research
DOI:
10.14359/1249
Date:
1/1/1993
Abstract:
A field permeability test (FPT) apparatus and method for rapid and convenient determination of in situ water permeability of in-service concrete was developed. The developed FPT method uses Darcy's Law, which relates coefficient of permeability to rate of flow, and a high water pressure to accelerate the flow and reduce the time of test. The FPT apparatus was extensively evaluated by performing the FPTs on numerous bridge structures throughout Florida and also on concrete blocks in the laboratory. While the initial moisture content or degree of saturation of the concrete could have a significant effect on the FPT test results, consistent results were obtained when the test section was presaturated prior to testing. Thus, presaturation of the test concrete prior to testing was recommended in the FPT procedure.