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id caadria2020_363
authors Pal, Abhipsa, Chan, Wi Leen, Tan, Ying Yi, Chia, Pei Zhi and Tracy, Kenneth Joseph
year 2020
title Knit Concrete Formwork
source D. Holzer, W. Nakapan, A. Globa, I. Koh (eds.), RE: Anthropocene, Design in the Age of Humans - Proceedings of the 25th CAADRIA Conference - Volume 1, Chulalongkorn University, Bangkok, Thailand, 5-6 August 2020, pp. 213-222
summary The manufacture of concrete funicular shells often relies on traditional formwork construction techniques to provide a sculptured cavity for the fluid material to occupy (Bechthold, 2004). While this enables a predictable geometric outcome, the extensive use of timber and/or steel to construct these formworks account for up to 60% of the total production cost of concrete and are discarded after the casting is complete (Lloret et al. 2014). Thus, we propose an alternative method to create prefabricated modular systems out of concrete casted in customised tubular knitted membranes. These perform as a network of struts that can be affixed onto 3D printed nodes of a singular design. Altogether, these components serve as a kit-of-parts that can be transported to site and assembled together to create shell geometries.
keywords Knitted Textile; Fabric Formwork; Concrete Casting
series CAADRIA
email abhipsapal.96@gmail.com
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100%; open Bechthold, M. (2004) Find in CUMINCAD Surface Structures: digital design and fabrication , ACADIA: Structures

100%; open Lloret, E, Shahab, AR, Linus, M, Flatt, RJ, Gramazio, F, Kohler, M and Langenberg, S (2014) Find in CUMINCAD Complex concrete structures: Merging existing casting techniques with digital fabrication , Computer-Aided Design

100%; open Rippman, M. and Block, P. (2013) Find in CUMINCAD Funicular Funnel Shells , Design Modelling Symposium 2013, Berlin

100%; open Tracy, K, Bell, B, Yogiaman, C, Tessmer, L, McClellan, K, Vrana, A and Verboon, E (2014) Find in CUMINCAD Fabricate 2014 , Gramazio, F, Kohler, M and Langenberg, S (eds), Plastic-Cast Concrete: Fabrication as Applied Research, UCL Press

100%; open van Hennik, P.C. and Houtman, R. (2008) Find in CUMINCAD Textile Composites and Inflatable Structures II , O?ate, E. and Kröplin, B. (eds), Pneumatic Formwork for Irregular Curved Thin Shells, Springer, Dordrecht, pp. 99-116

100%; open Veenendaal, D. and Block, P. (2014) Find in CUMINCAD Design process for prototype concrete shells using a hybrid cable-net and fabric formwork , Engineering Structures, 75, pp. 39-50

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