TY - JOUR AU - P. Fanning, PY - 2001/06/01 Y2 - 2024/03/29 TI - Nonlinear Models of Reinforced and Post-tensioned Concrete Beams JF - Electronic Journal of Structural Engineering JA - Electron. J. Struct. Eng. VL - 1 IS - 2 SE - Articles DO - 10.56748/ejse.1182 UR - https://ejsei.com/EJSE/article/view/18 SP - 111-119 AB - <p><span dir="ltr" style="left: 141.867px; top: 435.351px; font-size: 16.6px; font-family: serif; transform: scaleX(0.991356);">Commercial finite element software generally includes dedicated numerical models for the nonlinear </span><span dir="ltr" style="left: 141.867px; top: 454.95px; font-size: 16.6px; font-family: serif; transform: scaleX(1.01165);">response of concrete under loading. These models usually include a smeared crack analogy to account for </span><span dir="ltr" style="left: 141.867px; top: 474.55px; font-size: 16.6px; font-family: serif; transform: scaleX(0.969632);">the relatively poor tensile strength of concrete, a plasticity algorithm to facilitate concrete crushing in </span><span dir="ltr" style="left: 141.867px; top: 494.149px; font-size: 16.6px; font-family: serif; transform: scaleX(0.947863);">compression regions and a method of specifying the amount, the distribution and the orientation of any </span><span dir="ltr" style="left: 141.867px; top: 513.749px; font-size: 16.6px; font-family: serif; transform: scaleX(0.949906);">internal reinforcement. The numerical model adopted by ANSYS is discussed in this paper. Appropriate </span><span dir="ltr" style="left: 141.867px; top: 533.349px; font-size: 16.6px; font-family: serif; transform: scaleX(1.00003);">numerical modelling strategies are recommended and comparisons with experimental load-deflection </span><span dir="ltr" style="left: 141.867px; top: 552.948px; font-size: 16.6px; font-family: serif; transform: scaleX(0.988699);">responses are discussed for ordinary reinforced concrete beams and post-tensioned concrete T-beams. </span></p> ER -