Bond strength of brass metallized reinforcement with UHPC and NSC at ambient temperature

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21610%2F21%3A00347095" target="_blank" >RIV/68407700:21610/21:00347095 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.1063/5.0042720" target="_blank" >https://doi.org/10.1063/5.0042720</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1063/5.0042720" target="_blank" >10.1063/5.0042720</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Bond strength of brass metallized reinforcement with UHPC and NSC at ambient temperature

Popis výsledku v původním jazyce

The influence of thickness of metallized brass coating on bond strength of smooth bars in normal strength concrete (NSC) and ultra high performance concrete (UHPC) is evaluated in this paper. In the experiment, corrosion stability of the coating was evaluated considering the initial corrosion damage caused by alkali pore solution of fresh concrete. Bond strength was evaluated at ambient temperature for both normal strength concrete and ultra-high performance concrete to compare two different mixtures. The corrosion attack on coating was studied microscopically and the relationship between its character and final bond strength was described for both types of material. The results suggest that corrosion resistance of such coated reinforcement and its bond strength are related to the initial alkalinity of both fresh concretes and the additional alkalinity of UHPC. The results are discussed with regard to the trend of using dispersed steel concrete reinforcement coated with brass in high-performance composites instead of normal reinforcement.

Název v anglickém jazyce

Bond strength of brass metallized reinforcement with UHPC and NSC at ambient temperature

Popis výsledku anglicky

The influence of thickness of metallized brass coating on bond strength of smooth bars in normal strength concrete (NSC) and ultra high performance concrete (UHPC) is evaluated in this paper. In the experiment, corrosion stability of the coating was evaluated considering the initial corrosion damage caused by alkali pore solution of fresh concrete. Bond strength was evaluated at ambient temperature for both normal strength concrete and ultra-high performance concrete to compare two different mixtures. The corrosion attack on coating was studied microscopically and the relationship between its character and final bond strength was described for both types of material. The results suggest that corrosion resistance of such coated reinforcement and its bond strength are related to the initial alkalinity of both fresh concretes and the additional alkalinity of UHPC. The results are discussed with regard to the trend of using dispersed steel concrete reinforcement coated with brass in high-performance composites instead of normal reinforcement.

Druh

D - Stať ve sborníku

CEP obor

—

OECD FORD obor

20101 - Civil engineering

Projekt

<a href="/cs/project/GA17-22796S" target="_blank" >GA17-22796S: Experimentální a numerická analýza soudržnosti kovové výztuže s ultra vysokohodnotným betonem (UHPC) za vysokých teplot</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2021

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

SPECIAL CONCRETE AND COMPOSITES 2020: 17th International Conference

ISBN

978-0-7354-4066-1

ISSN

0094-243X

e-ISSN

0094-243X

Počet stran výsledku

5

Strana od-do

"020043-1"-"020043-5"

Název nakladatele

AIP Publishing

Místo vydání

Melville, NY

Místo konání akce

Skalský Dvůr

Datum konání akce

14. 10. 2020

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

000653725400038