Universiti Teknologi Malaysia Institutional Repository

Compressive strength loss and reinforcement degradations of reinforced concrete structure due to long-term exposure

Ismail, Mohammad and Muhammad, Bala and Ismail, Mohamed El Gelany (2010) Compressive strength loss and reinforcement degradations of reinforced concrete structure due to long-term exposure. Construction and Building Materials, 24 (6). 898 - 902. ISSN 0950-0618

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Official URL: https://doi.org/10.1016/j.conbuildmat.2009.12.003

Abstract

Degradations due to long-term weathering actions on a reinforced concrete structure were investigated. Compressive strength and reinforcement corrosion developments of a prototype RC structure were monitored for 6 years using destructive and non-destructive tests which include periodic coring, compressive strength, rebound hammer, ultrasonic pulse velocity, carbonation, half-cell and tensile strength tests. Eventually, results have shown that more than a quarter of peak compressive strength can be lost within 5 years of continuous exposure. Corrosion of the exposed bars within the range of the testing period was also observed to be quite alarming. Thus, defects caused by prolonged actions of environmental factors may pose serious threats on the integrity of partially completed structures especially abandoned projects.

Item Type:Article
Uncontrolled Keywords:abandoned projects, compressive strength, half-cell potential, rebound hammer, reinforcement corrosion, tensile strength, ultrasonic pulse velocity
Subjects:T Technology > TA Engineering (General). Civil engineering (General)
Divisions:Civil Engineering
ID Code:22970
Deposited By: Kamariah Mohamed Jong
Deposited On:19 Sep 2017 08:35
Last Modified:19 Sep 2017 08:45

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