[1]RICHART, F.E., BRANDTZAEG, A. AND BROWN, R.L., "A STUDY OF THE FAILURE OF CONCRETE UNDER COMBINED COMPRESSIVE STRESS",UNIVERSITY OF ILLINOIS, BULLETIN NO. 185, 1928.
[2]PRIESTLEY, M. J. N., AND PARK, R. (1987). "STRENGTH AND DUCTILITY OF CONCRETE BRIDGE COLUMNS UNDER SEISMIC LOADING." ACI J., 84(1),61-76_
[3]MANDER JB, PRIESTLEY MJN, PARK R. "THEORETICAL STRESS–STRAIN MODEL FOR CONFINED CONCRETE". J STRUCT ENGNG ASCE V
1988;114(8):1804–26._
[4]ACI COMMITTEE 318. BUILDING CODE REQUIREMENTS FOR STRUCTURAL CONCRETE (ACI 318-08) AND COMMENTARY (318R-08). FARMINGTON HILLS (MI):AMERICAN CONCRETE INSTITUTE; 2008, P. 430._
[5]HINDI R, AL-QATTAWI M, ELSHARIEF A. INFLUENCE OF DIFFERENT CONFINEMENT PATTERNS ON THE AXIAL BEHAVIOR OF R/C COLUMNS. IN: PROCEEDINGS OF THE ASCE-SEI 2005 STRUCTURES CONGRESS, NEW YORK, NY; APRIL 20–24, 2005._
[6]HINDI R, TURECHEK W.__EXPERIMENTAL BEHAVIOR OF CIRCULAR CONCRETE COLUMNS UNDER REVERSED CYCLIC LOADING. CONSTRUCTION AND BUILDING MATERIALS. SEPTEMBER 2006 ARTICLE IN PRESS
[7]SAATCIOGLU M, GRIRA M. CONFINEMENT OF REINFORCED CONCRETE COLUMNS WITH WELDED REINFORCEMENT GRIDS. ACI STRUCT J 1999;96(1):29–39._
[8]LAMBERT-AIKHIONBARE N, TABSH SW. CONFINEMENT OF HIGH STRENGTH CONCRETE COLUMNS WITH WELDED WIRE FABRIC. ACI STRUCT J 2001; 98(5): 677–85._
[9]BUDEK AM, PRIESTLEY MJN, LEE CO. SEISMIC DESIGN OF COLUMNS WITH HIGH-STRENGTH WIRE AND STRAND AS SPIRAL REINFORCEMENT. ACI STRUCT J 2002; 99(5):660–70
[10]TANAKA H, PARK R. SEISMIC DESIGN AND BEHAVIOR OF REINFORCED CONCRETE COLUMNS WITH INTERLOCKING SPIRALS. ACI STRUCT J 1993; 90(2):192–203._
[11]KUNNATH SK, EL-BAHY A, TAYLOR A, STONE W. CUMULATIVE SEISMIC DAMAGE OF REINFORCED CONCRETE BRIDGE PIERS. TECHNICAL REPORT NCEER-97-0006, UNIVERSITY OF CENTRAL FLORIDA,NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY, ORLANDO, FLORIDA; 1997._
[12]TURECHEK W. CYCLIC BEHAVIOR OF R/C CIRCULAR COLUMNS CONFINED WITH OPPOSING SPIRALS. MASTER THESIS, DEPARTMENT OF CIVIL ENGINEERING AND CONSTRUCTION, BRADLEY UNIVERSITY, PEORIA, IL,USA; 2006._