Folded Structures Joe Gattas School of Civil Engineering SoCE Know - PowerPoint PPT Presentation

Folded Structures Joe Gattas School of Civil Engineering SoCE Know Your Neighbours - Folded Structures Joe Gattas University of Queensland j.gattas@uq.edu.au 01 September 2016 | 1/50

Origami-Inspired Engineering Space Solar Panel NASA Jet Propulsion Laboratory Military Shelter Kinetic Structures Laboratory, University of Notre Dame Origami Stent University of Oxford Transitional Shelter University of Oxford & University of Queensland SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 2/50

Parametric Geometry SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 3/50

(Sheet) Material & Manufacture SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 4/50

Folded Structures Lab Geometry Material/Manuf. Application + = Prefabricated Origami Steel Construction Sandwich & Shell Kirigami Timber Structures Thin-Walled Modular Composite Structures Deployable Non-Linear Concrete Structures Other? Other? Other? SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 5/50

Folded Structures Lab Geometry Material/Manuf. Application Prefabricated Digitally-Fabricated Timber Structures Origami Steel Construction Yousef Al-Qaryouti Sandwich & Shell Hybrid FRP-Timber-Concrete Construction Kirigami Timber Structures Ya Ou Folded Steel Thin-Walled Structures Thin-Walled Modular Composite Structures Quan Shi Deployable Curved-Surface Pop-Up Structures Non-Linear Concrete Structures Ting-Uei Lee Inflatable Textured Tubes & Miscellaneous Other? Other? Other? Zhiming Guo & Others SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 6/50

Digitally-Fabricated Timber Structures Yousef Al-Qaryouti School of Civil Engineering SoCE Know Your Neighbours - Folded Structures Joe Gattas University of Queensland j.gattas@uq.edu.au 01 September 2016 | 7/50

Precedents - Digital Fabrication & Integral Mechanical Joints - Automated product of (plywood) parts for full house production - No additional components or tools for assembly Sass, L. and Botha, M., 2006. The instant house: A model of design production with digital fabrication. International Journal of Architectural Computing, 4(4), pp.109-123. SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 8/50

Precedents - Digital Fabrication & Ultra-Modular Construction - Three parts only - Enables: - distributed fabrication, - interoperability, and - no instructions for assembly. Gattas, J.M. and You, Z., 2016. Design and digital fabrication of folded sandwich structures. Automation in Construction, 63, pp.79-87. SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 9/50

Geometry - New technique to computationally-generate parts: 1. Parametrise ‘global’ (3D & 2D) geometry 2. Parametrise connection detail 3. 1+2 = Manufacturable parts SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 10/50

Manufacture SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 11/50

Testing - Uniaxial compression of: - 9mm/17mm plywood - UB/SHS - Parallel/perpendicular grains - Glued, press-fit, tight-fit - Range of exhibited failure modes: - Material fracture - Local buckling - Beam/plate buckling, - Inter-veneer delamination - Joint pop-off (friction-loss) - Explosive (barrel) - Gradual (zipper) SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 12/50

Results 9mm SHS 17mm SHS 9mm UB 17mm UB SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 13/50

Future Work - Press-fit application (LVLs?) - Bending-stabilized press-fits SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 14/50

Hybrid FRP-Timber-Concrete Construction Ya Ou, Dilum Fernando, School of Civil Engineering, University of Queensland SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 15/50

Geometry/Material - Hybrid FRP-timber-concrete (FTC) composite panels Concrete: compression, acoustic isolation, high damping ratio Material Timber: tension, fire protection properties FRP: reliable, geometry flexibility 2400 570 Basic pattern SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 16/50

Testing SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 17/50

Testing SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 18/50

Results - Ductile failures - High capacity - Longitudinal core + shear bolts improve performance SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 19/50

Folded Steel Thin-Walled Structures Quan Shi School of Civil Engineering SoCE Know Your Neighbours - Folded Structures Joe Gattas University of Queensland j.gattas@uq.edu.au 01 September 2016 | 21/50

Precedents Industrial (Novel Manufacturing) Architectural (Novel Forms) Robofold, Bentley, and Industrial Origami, Chassis Kyungeun Ko collaboration, and methods of forming the Royal College 2013 same, 2009 SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 22/50

Precedents All Images: Industrial Origami <http://www.industrialorigami.com/home.cfm> SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 23/50

Geometry SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 24/50

Fabrication SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 25/50

Testing – Compression SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 26/50

Results Nu Numerical merical An Anal alys ysis is in Ab Abaq aqus 1. Linear buckling analysis to generate defect 2. Nonlinear Riks Analysis for post- buckling behaviour Good prediction of ‘symmetric’ case SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 27/50

Results Boundary condition and eccentric centre-of- loading for ‘asymmetric’ case SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 28/50

Results DIC Extracted Profile 11 Displacement mm 2 22 32 62 72 82 102 112 6 Unit: second 1 0 10 20 30 40 50 60 SoCE Know Your Neighbours - Folded Structures 70 80 90 100 Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 29/50 -4 Node number

Future Work - Additional nal el elem emen ents s – bea eam, jo , joints - Additional nal as asse semblies es – fr frame ames, s, sp spac ace t e truss ss SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 30/50

Interlude – Integrated Digital Design Analysis Parametric Geometry Digital Fabrication SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 31/50

Interlude – Integrated Digital Design Analysis Optimisation CAD (Design) Visualisation & Monitoring Parametric Design Operations Simulation (VR, AR, Scans, Smart Sites) BIM (Construction) Digital Fabrication Robotic Construction SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 32/50

Curved-Surface Pop-Up Structures Ting-Uei Lee School of Civil Engineering SoCE Know Your Neighbours - Folded Structures Joe Gattas University of Queensland j.gattas@uq.edu.au 01 September 2016 | 33/50

Precedents - Simplified ified cu curve ved-cre crease ase origami ami par arame ametri risat satio ion n en enab abled ed en enginee eering exp ng explorati ations ons SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 34/50

Precedents - Applicat catio ions ns: - San andwi wich ch pan anel els s – improve oved - Cr Cras ash ca cans s – sa same - Subse sea pi a pipel elines es - sa same SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 35/50

Precedents - Applicat catio ions: ns: - Th Thin-Wa Wall lled ed Se Sect ction ons s – bi big g impr proveme ovement nt SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 36/50

Geometry/Manufacture - Ben ending-acti active ve (non-linear ear el elas astic) c) co composi osite e pan anel els - 3D su D surfa face ce sc scan anning SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 37/50

Testing – Surface Error SoCE Know Your Neighbours - Folded Structures Joe Gattas j.gattas@uq.edu.au 01 September 2016 | 38/50