Prototyping of composite structural envelopes through CNC and robotic fabrication

Christopher Knapp, Jonathan Nelson

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

Abstract

The paper explores the results of a series of practice-based research investigations of full-scale building envelope prototypes generated from parametric design strategies. The work strives to achieve integration of structure and cladding using digital fabrication (CNC and multi-axis robot) techniques. The projects employ a range of sheet materials: principally plywood, plastics, and aluminium composite panels; and integrated architectural lighting and daylighting. Two key projects are discussed in detail: habitable pavilions which allow for investigation of fabrication,assembly, structural capacity, durability, and transport. Each project sets the goal of achieving double curvature,load-bearing surfaces. This is explored through either panelisation or tessellation of the project geometry, or, through bending of the flat sheet materials. In each case, questions of joining, tolerance, load path and distribution, and craftsmanship are addressed and can be discussed comparatively to illuminate the consequences of design decisions.The objective of the research is to develop a repertoire of techniques and strategies for achieving formal complexity and structural integrity through an efficient means of production. The intent of the pavilion-scale work is to test out possibilities that can be extrapolated to a larger scale, demonstrated through speculative application in multi-story public building proposals.
Original languageEnglish
Title of host publication10th Conference on Advanced Building Skins
EditorsC. Abatte
Place of PublicationMunich
PublisherMunich Economic Forum
Pages162-170
Number of pages9
ISBN (Print)9783981205381
Publication statusPublished - 2015
EventConference on Advanced Building Skins - Bern, Switzerland
Duration: 3 Nov 20154 Nov 2015
Conference number: 10th
http://abs.green/program-2015/

Conference

ConferenceConference on Advanced Building Skins
CountrySwitzerland
CityBern
Period3/11/154/11/15
Internet address

Fingerprint

Robotics
Bearings (structural)
Daylighting
Fabrication
Plywood
Composite materials
Structural integrity
Joining
Durability
Lighting
Robots
Plastics
Aluminum
Geometry

Cite this

Knapp, C., & Nelson, J. (2015). Prototyping of composite structural envelopes through CNC and robotic fabrication. In C. Abatte (Ed.), 10th Conference on Advanced Building Skins (pp. 162-170). Munich: Munich Economic Forum.
Knapp, Christopher ; Nelson, Jonathan. / Prototyping of composite structural envelopes through CNC and robotic fabrication. 10th Conference on Advanced Building Skins. editor / C. Abatte. Munich : Munich Economic Forum, 2015. pp. 162-170
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Knapp, C & Nelson, J 2015, Prototyping of composite structural envelopes through CNC and robotic fabrication. in C Abatte (ed.), 10th Conference on Advanced Building Skins. Munich Economic Forum, Munich, pp. 162-170, Conference on Advanced Building Skins, Bern, Switzerland, 3/11/15.

Prototyping of composite structural envelopes through CNC and robotic fabrication. / Knapp, Christopher; Nelson, Jonathan.

10th Conference on Advanced Building Skins. ed. / C. Abatte. Munich : Munich Economic Forum, 2015. p. 162-170.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

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AB - The paper explores the results of a series of practice-based research investigations of full-scale building envelope prototypes generated from parametric design strategies. The work strives to achieve integration of structure and cladding using digital fabrication (CNC and multi-axis robot) techniques. The projects employ a range of sheet materials: principally plywood, plastics, and aluminium composite panels; and integrated architectural lighting and daylighting. Two key projects are discussed in detail: habitable pavilions which allow for investigation of fabrication,assembly, structural capacity, durability, and transport. Each project sets the goal of achieving double curvature,load-bearing surfaces. This is explored through either panelisation or tessellation of the project geometry, or, through bending of the flat sheet materials. In each case, questions of joining, tolerance, load path and distribution, and craftsmanship are addressed and can be discussed comparatively to illuminate the consequences of design decisions.The objective of the research is to develop a repertoire of techniques and strategies for achieving formal complexity and structural integrity through an efficient means of production. The intent of the pavilion-scale work is to test out possibilities that can be extrapolated to a larger scale, demonstrated through speculative application in multi-story public building proposals.

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Knapp C, Nelson J. Prototyping of composite structural envelopes through CNC and robotic fabrication. In Abatte C, editor, 10th Conference on Advanced Building Skins. Munich: Munich Economic Forum. 2015. p. 162-170