Chapter
Apr 26, 2012
Reinforced Concrete Design with Topology Optimization
Authors: James K. Guest [email protected] and Cristopher D. Moen [email protected]Author Affiliations
Publication: Structures Congress 2010: 19th Analysis and Computation Specialty Conference
Abstract
Topology optimization techniques are employed to automate the design of reinforced concrete members. Truss models are derived with maximum stiffness (minimum total strain energy) from an initial ground structure defined over a general concrete member. The optimization routine, implemented with a freely available computer program, produces strut and tie geometries consistent with elastic tensile and compressive stress trajectories, resulting in steel reinforcement layouts with the potential to minimize crack widths and improve member performance over traditional strut and tie models. Ongoing work in continuum topology optimization of reinforced concrete members is summarized, including consideration of constructability in the optimized solution and the development of solutions with curved compressive struts which are more consistent with elastic stress trajectories than traditional strut-and-tie models derived by hand.
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Copyright
© 2010 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Compression members
- Computer models
- Concrete
- Concrete structures
- Elastic analysis
- Engineering fundamentals
- Engineering materials (by type)
- Materials engineering
- Models (by type)
- Optimization models
- Reinforced concrete
- Structural analysis
- Structural engineering
- Structural members
- Structural models
- Structural systems
- Structures (by type)
- Struts
Authors
Affiliations
Department of Civil Engineering, Johns Hopkins University, Baltimore, MD 21218. E-mail: [email protected]
Via Department of Civil & Envtl. Engineering, Virginia Tech, Blacksburg, VA 24061. E-mail: [email protected]
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