Institute of Architectural Algorithms & Applications 建筑运算与应用研究所 School of Architecture, Southeast University, Nanjing

Robotic Fabrication 2018

The robotic fabrication workshop (4th-year, undergraduate) explores the materialization processes as active participants in pavilion design based on computation and automation technologies. The two teams studied different material and developed bespoke fabrication processes. One team explored the Ultra-High Performance Concrete (UHPC) and the other developed a robotic prefabricated plywood system.

Tutors: Hao Hua, Biao Li, Peng Tang

Critics: Benjamin Dillenburger (ETH Zurich), Shihong Li (JZFZ), Chuang Chen (JZFZ).

Collaboration:
JZFZ Architectural Design, ChengDu
Beilida New Material System Engineering, Nanjing
YAOYANG technolgy, Nanjing

Software: Processing (Java)
CNC: KUKA (6-DOF robot), 4-axis hot-wire CNC cutter, Laser Cutter.

11.10

One Petal One World – Prefabricated UHPC Thin Shells
The team explored prefabricated thin shells using Ultra-High Performance Concrete (UHPC) in collaboration with Nanjing BeiLiDa. The same petal from one mould can be combined into various installations of distinct spatial qualities.

The team developed a form-finding software using Processing. Structural performance and assembly feasibility were optimized. The software generated the G-code for the hot-wire cutting machine which produced the curved surface out of EPS foam blocks. A family of ruled surface approximate the desirable double-curved surface. Then a GRC mould was made from the foam surface via shotcrete. Finally multiple UHPC petals were fabricated (shotcrete) using the same mould. During in-situ assembly, petals are connected by preset metal fasteners. The surface area of a petal is 5.9 m2. A pair of petals occupy a 3×3 meter square.

Team: 车毓沅,陈旭刚,张柏洲

DSC_2211

partition

IMG_1039b

IMG_1458

 

Void Pavilion –  Robotic Prefabricated Plywood System
The Void pavilion was constructed in the courtyard of the Architectural School. The three-student team designed, fabricated and assembled the timber structure within eight weeks in collaboration with Nanjing YAOYANG Technology.

The pavilion is the first implementation of a robotic prefabricated plywood system (RPPS). Various form-finding approaches of funicular structures were experimented via programming in Processing. Eventually a generative model was developed to create the configurable shape of a new type of fibreboard pavilions. A robotic cut/mill system was employed as it is more robust than 3-axis CNC milling machine.  The team used Processing to produce the KRL codes for toolpath planning of the KUKA robot. The off-line programming via Processing also integrated the bin packing algorithm to pack the hundreds of pieces into 30 plywood sheets (1.2×2.4m). The geometric details of the wooden joints were directly encoded in the robotic toolpath.  Without any nails or fasteners, a typical connection can be made exclusively by the plywood components. The beams are 30mm think with two layers of 15mm plywood. The manual assembly took two days.

Team: 陈廷嘉,郝翰,王迅

void pavilion 3

void pavilion cover

void pavilion 4

void pavilion 2

void pavilion 5

 

 

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