1. ASCE. (1996). “The Oklahoma City building: Improving building performance through multi-hazard mitigation.” Federal Emergency Management Agency Rep. FEMA 277 New York.
2. ASTM. (1998). “Standard practice for capping cylindrical concrete specimens.” ASTM C 617 West Conshohocken Pa.
3. ASTM. (2000). “Standard practice for use of unbonded caps in determining compressive strength of hardened concrete cylinders.” ASTM C 1231 West Conshohocken Pa.
4. ASTM. (2001). “Standard test method for compressive strength of cylindrical concrete specimens.” ASTM C 39 West Conshohocken Pa.
5. Chen W. F. (1982). Plasticity in reinforced concrete McGraw-Hill New York.