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supported by the sibling associations ACADIA, CAADRIA, eCAADe, SIGraDi, ASCAAD and CAAD futures

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id acadia18_328
authors Kladeftira, Marirena; Shammas, Demetris; Bernhard, Mathias; Dillenburger, Benjamin
year 2018
title Printing Whisper Dishes. Large-scale binder jetting for outdoor installations
source ACADIA // 2018: Recalibration. On imprecisionand infidelity. [Proceedings of the 38th Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) ISBN 978-0-692-17729-7] Mexico City, Mexico 18-20 October, 2018, pp. 328-335
summary This research explores the design opportunities of a novel fabrication process for large scale architectural installations suitable for outdoor weather conditions. High resolution, bespoke geometries are easily fabricated at no extra cost in a continuous system using Binder Jet printing technology. The material properties of sandstone are considered a design drive for producing structural paths according to a finite element analysis. Several post processing materials are tested for strengthening the final geometry and providing a water resistant solution. The process is tested in a large, 1:1 sound installation of a pair of acoustic mirrors. First, this paper describes the specific potential and challenges of Binder Jet printing for outdoor applications. It, then, outlines the design principles of the sound device, the acoustic mirror, and their integration into a digital model. Finally, the computational design strategy is described, including topology optimization to reduce the weight/material and the integration of functional details
keywords work in progress, 3d printing, form finding, digital fabrication, building technologies
series ACADIA
type paper
email kladeftira@arch.ethz.ch
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100%; open Aghaei-Meibodi, Mania, Mathias Bernhard, Andrei Jipa, and Benjamin Dillenburger (2017) Find in CUMINCAD The Smart Takes from the Strong , Fabricate 2017: Rethinking Design and Construction, edited by Bob Sheil, Achim Menges, Ruairi Glynn and Marilena Skavara, 210–17. London: UCL Press

100%; open Dillenburger, Benjamin, and Michael Hansmeyer (2013) Find in CUMINCAD The Resolution of Architecture in the Digital Age , Global Design and Local Materialization, edited by Jianlong Zhang and Chengyu Sun, 347–57. Berlin: Springer International Publishing

100%; open Hodder, K.J., J.A. Nychka, and R.J Chalaturnyk (2018) Find in CUMINCAD Process Limitations of 3D Printing Model Rock , Progress in Additive Manufacturing 3: 1–10

100%; open Jipa, Andrei, Mathias Bernhard, Nicolas Ruffray, Timothy Wangler, Robert Flatt, Benjamin Dillenburger, and Mathias Bernhard (2017) Find in CUMINCAD SkelETHon Formwork 3D Printed Plastic Formwork for Load-Bearing Concrete Structures , Proceedings of the 22nd Conference of the Iberoamerican Society of Digital Graphics, 345–52. S?o Paulo, Brazil: SIGraDI.

100%; open Nguyen, Q.B., D.N. Luu, S.M.L. Nai, Z. Zhu, Z. Chen, and J. Wie (2018) Find in CUMINCAD The Role of Powder Layer Thickness on the Quality of SLM Printed Parts , Archives of Civil and Mechanical Engineering 18 (3): 948–55

100%; open Rael, Ronald, and Virginia San Fratello (2011) Find in CUMINCAD Material Design and Analysis for 3D-Printed Fiber- Reinforced Cement Polymer Building Components , Ambience '11, edited by Lars Hallnäs, Annika Hellström, and Hanna Landin, 136–41. Sweden: CTF

100%; open Rippmann, M., A. Liew, T. Van Mele, and P. Block (2018) Find in CUMINCAD Design, Fabrication and Testing of Discrete 3D Sand-Printed Floor Prototypes , Materials Today Communications 15 (06): 254–59

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