Distress Evaluation and Rehabilitation of Damaged RC-Framed Coal-Storage-Yard Structure in Thermal Power Plant
Publication: Journal of Performance of Constructed Facilities
Volume 30, Issue 2
Abstract
In thermal power plants, coal-storage-yard structures play a major role in the production of power. Coal storage capacity is limited by the design level. If the design limit is exceeded, the reinforced concrete (RC) coal storage structure may undergo deterioration with varied cracking patterns and ultimately collapse. Through quick, early observations, engineers, construction managers, and others may be able to avoid major structural disaster and the associated risk to human life. Structural problems could cause the entire plant to shut down, and the down time may cost more than additional coal storage; thus, repair and rehabilitation has to be approached with cost-effectiveness in mind. The cause of the distress and failure mechanism of the actual damaged RC frame structure are evaluated and analyzed in this paper. The analyses are carried out using finite-element analysis with real life loading and other conditions, and based on the analysis, relatively economical rehabilitation strategies using structural steel members are proposed. During this process, it is suggested that the existing distressed and failed RC members be replaced with the proposed structural steel members under the supervision of the presiding engineer.
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Acknowledgments
The research presented in this paper was supported by Development Consultant Private Limited and the National Research Foundation of Korea (NRF) grants (No. 2012-005905). The opinions, findings and conclusions in this paper are those of the authors and do not necessarily represent those of the sponsors.
References
BIS (Bureau of Indian Standards). (1987a). “Code of practice for design loads (other than earthquake) for buildings and structures, part 1.” IS 875, New Delhi, India.
BIS (Bureau of Indian Standards). (1987b). “Wind loads on buildings and structures, part 3.” IS 875, New Delhi, India.
BIS (Bureau of Indian Standards). (2000). “Plain and reinforced concrete: Code of practice.” IS 456 New Delhi, India.
BIS (Bureau of Indian Standards). (2002). “Criteria for earthquakes-resistant design of structures. Part 1: General provisions and buildings.” IS 1893, New Delhi, India.
BIS (Bureau of Indian Standards). (2007). “General construction in steel: Code of practice.” IS 800, New Delhi, India.
BIS (Bureau of Indian Standards). (2011). “Hot rolled medium and high tensile structural steel.” IS 2062, New Delhi, India.
STAAD.Pro [Computer software]. Bentley Systems, Exton, PA.
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Published In
Journal of Performance of Constructed Facilities
Volume 30 • Issue 2 • April 2016
Copyright
© 2015 American Society of Civil Engineers.
History
Received: Apr 29, 2014
Accepted: Dec 23, 2014
Published online: Feb 20, 2015
Discussion open until: Jul 20, 2015
Published in print: Apr 1, 2016
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