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- Title
Design Tool for Finding Minimum Heights of Reinforced Concrete Beams and One-Way Slabs.
- Authors
Sanabra-Loewe, Marc; Garcia, David; Tošić, Nikola; de la Fuente, Albert
- Abstract
Finding the minimum height of reinforced concrete (RC) slabs and beams at the early stages of design is critical for efficient material use. Hence, methods are needed for determining the maximum slenderness, L/h, that are both easy to use and able to consider as many influencing factors as possible, given that deflection typically controls the design of this kind of structure. One such method is the "long method of Rangan-Scanlon," with recent advances in new closed-form solutions enabling direct calculation. This study builds on those advances, presenting a parametric study for RC beams and one-way slabs to determine the effect of key factors (compressive strength of concrete, reinforcement cover, span, tributary width, load, and boundary conditions) on the effective moment of inertia factor α and slenderness L/h. The results provide practical design tools for determining the maximum slenderness of RC one-way slabs by previously finding the α factor and directly determining the maximum slenderness for RC beams.
- Subjects
CONCRETE beams; CONCRETE slabs; CONSTRUCTION slabs; REINFORCED concrete; MOMENTS of inertia; COMPRESSIVE strength
- Publication
ACI Structural Journal, 2024, Vol 121, Issue 3, p43
- ISSN
0889-3241
- Publication type
Article
- DOI
10.14359/51740458