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Structural Engineering and Mechanics Volume 64, Number 2, October25 2017 , pages 173-181 DOI: https://doi.org/10.12989/sem.2017.64.2.173 |
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Short- and long-term deflections of RC building structures influenced by construction processes |
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Yezid A. Alvarado, Manuel Buitrago, Isabel Gasch,
María N. Domínguez and Miguel A. Cipagauta
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| Abstract | ||
| This paper analyzes the influence of the construction process on short- and long-term deflections on a reinforced concrete structure poured on-site by a portable industrialized system. A parametric analysis was carried out by the Finite Elements Method (FEM) that considered: a) type of construction process with reshoring or clearing (partial striking); b) the number of successively shored floors and c) the number of shores used on each floor. All three factors were especially important for the values of short- and long-term deflections, which were highest in the reshoring processes with the lowest number of successively shored floors and the lowest number of shores per floor. Deflections obtained were compared with the limits laid down by ACI 318-14 and as calculated by this code | ||
| Key Words | ||
| clearing; construction process; creep; deflection; industrialized system; shores; shoring; striking | ||
| Address | ||
| Yezid A. Alvarado, María N. Domínguez, Miguel A. Cipagauta: Pontificia Universidad Javeriana, Calle 40 No. 5-50 Ed., José Gabriel Maldonado, S.J., Bogotá, Colombia Manuel Buitrago, Isabel Gasch: ICITECH, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain | ||