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Structural Engineering and Mechanics Volume 18, Number 4, October 2004 , pages 493-516 DOI: https://doi.org/10.12989/sem.2004.18.4.493 |
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Seismic behavior of high-strength concrete flexural walls with boundary elements |
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Seung-Hun Kim, Ae-Bock Lee, Byung-Chan Han, Sang-Su Ha and Hyun-Do Yun
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| Abstract | ||
| This paper addresses the behavior and strength of structural walls with a concrete compressive strength exceeding 69 MPa. This information also enhances the current database for improvement of design recommendations. The objectives of this investigation are to study the effect of axial-load ratio on seismic behavior of high-strength concrete flexural walls. An analysis has been carried out in order to assess the contribution of deformation components, i.e., flexural, diagonal shear, and sliding shear on total displacement. The results from the analysis are then utilized to evaluate the prevailing inelastic deformation mode in each of wall. Moment-curvature characteristics, ductility and damage index are quantified and discussed in relation with axial stress levels. Experimental results show that axial-load ratio have a significant effect on the flexural strength, failure mode, deformation characteristics and ductility of high-strength concrete structural walls. | ||
| Key Words | ||
| high-strength concrete; structural walls; ductility; axial loads; strength; earthquake-resistant structures. | ||
| Address | ||
| Seung-Hun Kim; Technical Division, LG Engineering & Construction Corp., Seoul 100-722, Korea Ae-Bock Lee and Byung-Chan Han; School of Architecture, Chungnam National University, Daejeon 305-764, Korea Sang-Su Ha; STRESS, Hanyang University, Seoul 133-791, Korea Hyun-Do Yun; School of Architecture, Chungnam National University, Daejeon 305-764, Korea | ||