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FORMAKERS will take advantage of the "digital fabrication REvolution". We publish projects of urban design/ architectural research/ fashion design/ 3d print/ parametric design / architecture model /photography and much more.FORMAKERS invites architects, designers, artists, students, scientists and individuals of all backgrounds to explore, research and investigate new design paradigms and urban visions.







15NOV 2013

ArboSkin / ITKE 

Posted in University / Research - Stuttgart University / ICD by * FORMAKERS

Mock‐Up:  The bioplastics facade mock‐up was created within the framework of Research Project Bioplastic Facade, a  project supported by EFRE (Europäischer Fonds für Regionale Entwicklung/ European Fund for Regional  Development).

© ITKE (Institute for Building Construction and Structural Design)
 It demonstrates one of the possible architectonic and constructional applications of the  bioplastic materials developed in the course of this project. The blueprint is based on a triangular net made up  of mesh elements of varying sizes.

© ITKE (Institute for Building Construction and Structural Design)
    Research Project Bioplastic Facade:    ITKE can look back on numerous years of experience in both teaching and researching the computer based  planning, simulation, and production of cladding for buildings with complex geometries. Currently, materials  made from petroleum‐based plastic, glass, or metal are used to encase such structures.

 Thermoformable  sheets of bioplastics will constitute a resource‐efficient alternative in the future as they combine the high  malleability and recyclability of plastics with the environmental benefits of materials consisting primarily of  renewable resources.     Collaborating materials scientists, architects, product designers, manufacturing technicians, and environmental  experts were able to develop a new material for facade cladding which is thermoformable and made primarily  (>90%) from renewable resources.

© ITKE (Institute for Building Construction and Structural Design)
 Developed by project partner TECNARO within the framework of the  research project, ARBOBLEND®, a special type of bioplastic granules, can be extruded into sheets which are  further processable as needed: They can be drilled, printed, laminated, laser cut, CNC‐milled, or thermoformed  to achieve different surface qualities and structures and various moulded components can be produced.   The semi‐finished products serve as cladding for flat or free‐formed interior and exterior walls.

© ITKE (Institute for Building Construction and Structural Design)
 The material  can be recycled and meets the high durability and inflammability standards for building materials. The goal of  the project was to develop a maximally sustainable yet durable building material while keeping petroleum‐ based components and additives to a minimum.

© ITKE (Institute for Building Construction and Structural Design)
   The ecological audit was completed by project partner ISWA (Institute for water engineering, water quality,  and waste management). Furthermore, the materials’s resistance to microbial degradation was determined.

© ITKE (Institute for Building Construction and Structural Design)
    Innovative Character of the Research Project:  This research project marks the first occasion for development of bioplastic sheets that are made primarily of  renewable resources, can be freely formed, and are furthermore designed for application in the building sector  and specifically for building exteriors. At the beginning of this project, such a product was not available on the  market.

© ITKE (Institute for Building Construction and Structural Design)
 The conception of this material as flame‐retardant sheet material also aims at applications for building  interiors (spek DESIGN).   With this new development, we can therefore soon offer a product that addresses two trends:  ‐  the increasing demand for resource‐efficient and sustainable building materials  ‐ the increasing development of buildings featuring double‐curved geometries and planar facade components      with 3D effects (relief)  Mock‐Up Supporting Structure:  The freeform bioplastic facade functions as a sheet material based shell structure with additional loadbearing  and bracing ring carriers and joists.

© ITKE (Institute for Building Construction and Structural Design)
 Contrary to common non‐loadbearing facade constructions, this  construction involves the loadbearing properties of the double curved skin (made of 3,5 mm thick  bioplasticpyramids that are mechnically coupled) in the loadbearing and bracing processes of the entire  system. On the one hand, this innovative measure shows the potential of modified bioplastics as a bracing  material (up to E≈4000N/mm²) suitable for exterior applications  as it adds only a minor load due to its own  weight (13kN/m³); on the other hand, it allows for the construction of a facade that utilizes a minimized  number of points of support and/or mounting brackets on the structural work behind it.

© ITKE (Institute for Building Construction and Structural Design)
    .


Design team:
ITKE (Institute for Building Construction and Structural Design) ‐Prof. Dr.‐Ing. Jan Knippers,  
University of Stuttgart, Germany; Faculty for Architecture and Urban Planning 
 
1 ArboSkin Bioplastics-Facade Mock-Up; photo: Manfred Richard Hammer, ITKE
 


Status:
Completed


Website:
http://www.itke.uni-stuttgart.de






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