A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
In situ Determination of the Chloride Content of Portland Cement Concrete in Bridge Decks - Reliability Study
The objective of this two-phase program is to develop a gauge and corresponding test method for rapid, local, in situ determinations of the total chloride ion concentration in P.C.C. bridge decks or other reinforced concrete members at the level of the outermost mat of reinforcing steel, with a sensitivity of 100 ppm Cl or better. In Phase I a literature search and paper study confirmed that X-ray fluorescence, thermal neutron activation and thermal neutron-prompt gamma analysis were the only promising techniques. A dual measurement method, employing both the prompt gamma and activation techniques, was shown to be feasible for nondestructive monitoring of chloride content at a specified depth or depth region below the surface with a sensitivity of 100 ppm or better, independently of the chloride content in the surface layers. The instrumentation could be used for rapid in-situ sample analysis.
In situ Determination of the Chloride Content of Portland Cement Concrete in Bridge Decks - Reliability Study
The objective of this two-phase program is to develop a gauge and corresponding test method for rapid, local, in situ determinations of the total chloride ion concentration in P.C.C. bridge decks or other reinforced concrete members at the level of the outermost mat of reinforcing steel, with a sensitivity of 100 ppm Cl or better. In Phase I a literature search and paper study confirmed that X-ray fluorescence, thermal neutron activation and thermal neutron-prompt gamma analysis were the only promising techniques. A dual measurement method, employing both the prompt gamma and activation techniques, was shown to be feasible for nondestructive monitoring of chloride content at a specified depth or depth region below the surface with a sensitivity of 100 ppm or better, independently of the chloride content in the surface layers. The instrumentation could be used for rapid in-situ sample analysis.
In situ Determination of the Chloride Content of Portland Cement Concrete in Bridge Decks - Reliability Study
J. R. Rhodes (author) / N. C. Carino (author) / R. D. Sieberg (author) / J. Stout (author) / M. C. Taylor (author)
1977
117 pages
Report
No indication
English
Construction Equipment, Materials, & Supplies , Analytical Chemistry , Highway Engineering , Concretes , Portland cements , Bridge decks , Chlorides , Chemical analysis , Neutron activation analysis , X ray fluorescence , X ray analysis , Nondestructive tests , Instrumentation , Design , Performance evaluation , Field tests , Corrosion , Deicers , Marine atmospheres
Polymer Concrete Overlays with Portland Cement Bridge Decks
| British Library Online Contents | 1993