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Rehabilitation of Damaged Reinforced Concrete Structure –a Case Study

H.S. Jadhav*, S. N. Patil**

* Associate Professor & Head, Civil Engineering Department, Rajarambapu Institute of Technology, Maharashtra, India.

** Assistant Professor, Civil Engineering Department, Rajarambapu Institute of Technology, Maharashtra, India.

Periodicity:June - August'2012
DOI : https://doi.org/10.26634/jste.1.2.1925

Abstract

This paper presents an assessment of damages caused due to deterioration of concreteand corrosion of reinforcementon account of leakage, ageing and environmental factors throughnon destructive tests1.The pre and post evaluation of rehabilitation was carried out through load tests.In this study, a60year old rectangularReinforcedConcrete(RC) water tank builtover the terrace of the office buildingwas investigated2. It exhibited some cracks and spalling of concrete at certain locations. Two beams and one column were subjected to corrosion of reinforcement and deterioration of concrete. During its service life, the maintenance and repair work of the tank was carried out periodically. Damaged beams and column were repaired by providing new reinforcementwithcement grouting and polymer mortar. The deflections in the beam were measured at each stage of loading and unloading at regular intervals. These deflections were found within permissible limits and structural members were restored for their functional requirements3.

Keywords

Non destructive test, Deterioration, Corrosion of reinforcement, Polymer mortar,Rehabilitation, Repair

How to Cite this Article?

Jadhav, H.S., and Patil, S.N. (2012). Rehabilitation of Damaged Reinforced Concrete Structure –a Case Study. i-manager’s Journal on Structural Engineering, 1(2), 36-41. https://doi.org/10.26634/jste.1.2.1925

References

[1]. C.R. Raikar, (1995). “NDT in Repair and Rehabilitation of Civil Engineering Structures". Civil Engineering and Construction Review, Vol.8, No.5, May, pp 41-43.

[2]. H.G. Sreenath, S. Annamalai, A. Chellappan, P. Srinivasan, and K. Mani, (1993). “An Approach for Assessment of Fire Affected Concrete Structures from in-situ Test Results”, Journal of Structural Engg., Vol. 20, No.2, pp 91-102.

[3]. J. Prabhakar, K. Ramanjaneyulu, A. Chellappan, P. Srinivasan, M.Z. Md. Firdows and S. Annamalai (2003). “Investigation of Pilling Tower- A Case study”, The Indian Concrete Journal, Vol.77, No.10, pp 1354-1360.

[4]. P. Srinivasan, A. Chellappan, and S. Annamalai (2007). “Pre-evaluation of fire–affected RC Framed structure and its post-evaluation by load test after repair–A case study” Journal of Structural Engineering, Vol.33, No. 5, pp 419-427.

[5]. S.K. Hirde and Dr. S.S. Kulkarni (1999). “Precautions, Repairs & Maintenance of Elevated Service Reservoirs”, Civil Engineering and Construction Review, Vol 12, No.5, pp.21-23.

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