Improving the bond strength between steel rebar and concrete by ozone treatment of rebar and polymer addition to concrete
Journal Article
·
· Cement and Concrete Research
- State Univ. of New York, Buffalo, NY (United States). Composite Materials Research Lab.
Ozone treatment of steel rebar, together with latex addition (20% by weight of cement) to concrete, resulted in a 39% increase in the shear bond strength between rebar and concrete, compared to a 25% increase resulted from either ozone treatment alone or latex addition alone. Ozone treatment and latex addition resulted in similarly small increases in the contact electrical resistivity between rebar and concrete. Methylcellulose addition (0.4% by weight of cement) to concrete gave slightly less bond strength increase than the latex addition, but did not affect the contact resistivity.
- OSTI ID:
- 511983
- Journal Information:
- Cement and Concrete Research, Vol. 27, Issue 5; Other Information: PBD: May 1997
- Country of Publication:
- United States
- Language:
- English
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