Steel and Composite Structures

  • 제19권2호
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  • Pages.263-275
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  • 2015
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  • 1229-9367(pISSN)
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  • 1598-6233(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Layout evaluation of building outrigger truss by using material topology optimization

  • Lee, Dongkyu (Department of Architectural Engineering, Sejong University) ;
  • Shin, Soomi (Research Institute of Industrial Technology, Pusan National University) ;
  • Lee, Jaehong (Department of Architectural Engineering, Sejong University) ;
  • Lee, Kihak (Department of Architectural Engineering, Sejong University)
  • 투고 : 2014.10.31
  • 심사 : 2015.03.23
  • 발행 : 2015.08.25
⟨ 이전 논문 다음 논문 ⟩

초록

This study presents conceptual information of newly optimized shapes and connectivity of the so-called outrigger truss system for modern tall buildings that resists lateral loads induced by wind and earthquake forces. In practice, the outrigger truss consists of triangular or Vierendeel types to stiffen tall buildings, and the decision of outrigger design has been qualitatively achieved by only engineers' experience and intuition, including information of structural behaviors, although outrigger shapes and the member's connectivity absolutely affect building stiffness, the input of material, construction ability and so on. Therefore the design of outrigger trusses needs to be measured and determined according to scientific proofs like reliable optimal design tools. In this study, at first the shape and connectivity of an outrigger truss system are visually evaluated by using a conceptual design tool of the classical topology optimization method, and then are quantitatively investigated with respect to a structural safety as stiffness, an economical aspect as material quantity, and construction characteristics as the number of member connection. Numerical applications are studied to verify the effectiveness of the proposed design process to generate a new shape and connectivity of the outrigger for both static and dynamic responses.

키워드

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피인용 문헌

  1. Seismic analysis of steel structure with brace configuration using topology optimization vol.21, pp.3, 2016, https://doi.org/10.12989/scs.2016.21.3.501
  2. Additive 2D and 3D performance ratio analysis for steel outrigger alternative design vol.20, pp.5, 2016, https://doi.org/10.12989/scs.2016.20.5.1133
  3. Optimizing structural topology patterns using regularization of Heaviside function vol.55, pp.6, 2015, https://doi.org/10.12989/sem.2015.55.6.1157
  4. Optimum topology design of multi-material structures with non-spurious buckling constraints vol.114, 2017, https://doi.org/10.1016/j.advengsoft.2017.06.002
  5. Design and construction innovations on a skyscraper cluster in China vol.171, pp.2, 2018, https://doi.org/10.1680/jcien.17.00027
  6. Conceptual configuration and seismic performance of high-rise steel braced frame vol.23, pp.2, 2015, https://doi.org/10.12989/scs.2017.23.2.173
  7. Experimental studies into a new type of hybrid outrigger system with metal dampers vol.64, pp.2, 2017, https://doi.org/10.12989/sem.2017.64.2.183
  8. Topology optimization for thin plate on elastic foundations by using multi-material vol.27, pp.2, 2018, https://doi.org/10.12989/scs.2018.27.2.177
  9. Topology optimization of steel plate shear walls in the moment frames vol.29, pp.6, 2015, https://doi.org/10.12989/scs.2018.29.6.771
  10. Design of buckling constrained multiphase material structures using continuum topology optimization vol.54, pp.8, 2015, https://doi.org/10.1007/s11012-019-01009-z
  11. Studies on damped hybrid outrigger systems of composite walls and steel bracings vol.172, pp.7, 2015, https://doi.org/10.1680/jstbu.17.00047
  12. A robust multi-objective localized outrigger layout assessment model under variable connecting control node and space deposition vol.33, pp.6, 2015, https://doi.org/10.12989/scs.2019.33.6.767
  13. Outrigger and Belt-Truss System Design for High-Rise Buildings: A Comprehensive Review Part II-Guideline for Optimum Topology and Size Design vol.2020, pp.None, 2020, https://doi.org/10.1155/2020/2589735