Comparative Study of Strength and Corrosion Resistant Properties of Plain and Blended Cement Concrete Types

Title
Comparative Study of Strength and Corrosion Resistant Properties of Plain and Blended Cement Concrete Types
Author
이한승
Keywords
ACTIVATED FLY-ASH; RICE HUSK ASH; REINFORCED-CONCRETE; MINERAL ADMIXTURES; PORE STRUCTURE; PERFORMANCE; ENHANCEMENT; REPLACEMENT; MORTARS
Issue Date
2017-10
Publisher
HINDAWI PUBLISHING CORP
Citation
ADVANCES IN MATERIALS SCIENCE AND ENGINEERING, v. 2017, Article ID. 9454982
Abstract
The relative performances of mechanical, permeability, and corrosion resistance properties of different concrete types were compared. Concrete types were made fromordinary Portland cement (OPC), Portland pozzolana cement (PPC), and Portland slag cement (PSC). Compressive strength test, effective porosity test, coefficient of water absorption, short-term accelerated impressed voltage test, and rapid chloride permeability test (RCPT) were conducted on M30 and M40 grades of concrete designed with OPC, PPC, and PSC cements for 28- and 90-day cured concrete types. Long-termstudies such as microcell and electrochemical evaluation were carried out to understand the corrosion behaviour of rebar embedded in different concrete types. Better corrosion resistant properties were observed for PSC concrete by showing a minimum current flow, lowest free chloride contents, and lesser porosity. Besides, PSC concrete has shown less coefficient of water absorption, chloride diffusion coefficient (CDC), and lower corrosion rate and thereby the time taken for initiation of crack extended.
URI
https://www.hindawi.com/journals/amse/2017/9454982/abs/http://repository.hanyang.ac.kr/handle/20.500.11754/72487
ISSN
1687-8434; 1687-8442
DOI
10.1155/2017/9454982
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > ARCHITECTURE(건축학부) > Articles
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