Abstract
Abstract
The complicated and costly of concrete structures as well as the exposure to risk, owing to several factors such as ecological, design and construction, has resulted in a wide variety of methods for residential concrete structures, such as ferrocement sections technology, steel section technology, FCRP technology, and nano-material technologies. In this article the four approaches employed for rehabilitation of damaged concrete were compared. The questionnaire is given to 100 construction engineers and project management professionals to determine their preferred methods and advise them on their strength, effort, time and cost. To confirm the results, the researcher conducted an experiment to compare among these methods. research result, recommendations for future research, and conclusions were discussed in detail.
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