NONLINEAR SECOND-ORDER ANALYSIS OF COLUMNS IN REINFORCED CONCRETE PORTAL FRAME ELEMENT AND CLOSED FRAME ELEMENT[J]. Journal of Civil and Environmental Engineering, 1990, 12(3).
NONLINEAR SECOND-ORDER ANALYSIS OF COLUMNS IN REINFORCED CONCRETE PORTAL FRAME ELEMENT AND CLOSED FRAME ELEMENT[J]. Journal of Civil and Environmental Engineering, 1990, 12(3). DOI: 10.11835/j.issn.1674-4764.1990.03.002.