The "Zollinger" open classroom built at the CanCuní, is a lightweight gridshell of short handleable pieces of birch plywood for hosting open-air lectures. The system is loosely based on the traditional Zollinger system which consists of the reciprocal transfer of loads in a short beam system. Covering doubly curved surfaces with this system is possible without the need for long and thick beams and complex manufacturing joints, reducing the overall cost, time and weight of the whole structure by using stiff metal plates which is the scope of the research. The challenge is to design and calibrate a joint stiff enough to prevent the need of a cost increasing and time consuming bracing system. The whole system packs in a van and is manufactured with standard cnc and laser machinery.
The students of the master MPDA Master in Parametric Design in Architecture followed a program of continuous reviews by international experts on structural design, wood construction, computational geometry and membrane patterning. The students solved all the design, structural modelling of the joints and the structural analysis of the whole structure, the numerical fabrication and construction processes themselves. It was built at the Stage phase in June 2021 in Banyoles, Girona Spain.
Students: Jorge Adrian Martorell ,Christian Merhej, Rudy Riachy , Alberto Sadun , Marc Serra , Alex Solà, Aitor Vadillo , Luis Ángel Garcia, Khalifa Alkhazriji , Ángel Barrón, Dalia Ezzeddine, Danny Vallejo , Ehsan Naguib, Weston Porter.
International experts:
Julian Lienhard , Bending-active, STR.ucture / Universität Kassel
Dragos Naicu, timber gridhsell
Anna Bauer, Structural analysis, Kiwi!3d / TUM
Ángel Antequera, Load cases and Wind, CODA /Modularem
Alberto Pugnale, Timber construction, University Melbourne
Almudena Majano, Timber engineering, ETSAM
Antonio Lara, Timber Engineering, ETSAM
Ton Miserachs, Membrane patterning, TP Arquitectura i construcció textil
Academic direction:
Gerard Bertomeu
Pep Tornabell
Ramon Sastre
Enrique Soriano
partners at CODA and teachers at Barcelonatech and UPCschool
Designed in Grasshopper3d, with Kangaroo2
Analyzed in Karamba3d and Kiwi!3d
Acknowledgments
Special thanks to Can Cuní
ETSAV UPC Architecture school for their support and workshops
Somnis a mida
Camping el Llac
Serge Ferrari for sponsoring the material
And always thankful to Daniel Piker for the use of Kangaroo
GabarróHermanos www.gabarro.com timber logistics using UPM plywood
Manxa Bricolatge www.manxabricolatge.com Hardware
Treats from Serra Jordia,
Still pictures from andresflajszer www.andresflajszer.com/
Music "Elipsis" in Arps Album from Chad Crouch under CC By-NC 4.0
Video footage from Marc Serra
MPDA program provides the computational design framework for the creation and optimization of timber lightweight structures with a low ecological footprint.
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