Distress Investigation and Retrofit of a Pyramid-Shaped RC Building for Thermal and Seismic Effects
Publication: Journal of Performance of Constructed Facilities
Volume 25, Issue 3
Abstract
Seasonal variation of ambient temperature is rarely a cause of concern in structural design of normal buildings, but it has been found to cause recurring distress in a pyramid-shaped reinforced concrete (RC) building located in the foothills of the Himalayas. Abnormal stresses developed because of thermal movement of a large inclined roof exposed to direct sun and anchored to short columns at corners. Integral connection of a long corridor with the building compounds the effect of thermal movement of the building and corridor in opposite directions. A conventional linear analysis cannot correctly predict the observed distress. However, nonlinear analysis predicts the distress in close agreement with the observations. The building is situated in an area of high seismicity, and the inclined roof has a peculiar effect on the seismic response of the building, resulting in soft story phenomenon. Alternative retrofit schemes to safeguard the building against thermal and seismic actions are evaluated. It is observed that some of the retrofit strategies that are suitable for temperature effects may not be suitable for earthquake action.
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References
American Concrete Institute (ACI). (2008a). “Prediction of creep, shrinkage, and temperature effects in concrete structures.” ACI 209R-92, Farmington Hills, MI.
American Concrete Institute (ACI). (2008b). “Building code requirements for structural concrete and commentary.” ACI 318M-08, Farmington Hills, MI.
ASCE. (2006). “Seismic rehabilitation of existing buildings.” ASCE SEI 41-06, Reston, VA.
Galal, K., and El-Sokkary, H. (2008). “Analytical evaluation of seismic performance of RC frames rehabilitated using FRP for increased ductility of members.” J. Perform. Constr. Facil., 22(5), 276–288.
Indian Road Congress (IRC). (2000). “Standard specification and code of practice for road bridges, Section II—Loads and stresses (4th Rev.).” IRC 6, New Delhi.
Indian Standards (IS). (1987). “Code of practice for design loads (other than earthquake) for buildings and structures—Part 5. Special loads and load combinations.” IS 875-Part 5, New Delhi.
Indian Standards (IS). (2000). “Plain and reinforced concrete-code of practice (4th Rev.).” IS 456, New Delhi.
Indian Standards (IS). (2002). “Criteria for earthquake resistant design of structures—General provisions and buildings.” Bureau of Indian Standards, IS 1893-Part 1, New Delhi.
SAP 2000 Static and dynamic finite element analysis of structures—Advanced V10.0.5 [Computer software]. (2006). Computers and Structures, Berkeley, CA.
Teng, J. G., Chen, J. F., Smith, S. T., and Lam, L. (2001). FRP strengthened RC structures, Wiley, England.
Vincent, J. F. (2006). “Evaluation of distress in supports of hyperbolic paraboloid shell.” J. Perform. Constr. Facil., 20(1), 6–13.
Xtract Cross-sectional X structural analysis of components” Educational Version 3.0.5 [Computer software]. (2008). TRC/Imbsen Software Systems, Rancho Cordova, CA.
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© 2011 American Society of Civil Engineers.
History
Received: Dec 12, 2009
Accepted: Jun 23, 2010
Published online: Jun 30, 2010
Published in print: Jun 1, 2011
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