Demi Fang

Demi Fang
Massachusetts Institute of Technology | MIT · Building Technology

PhD student in Building Technology

About

11
Publications
7,419
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32
Citations
Introduction
PhD student in Building Technology at MIT's Digital Structures research group. Current research on lowering embodied carbon in early-stage structural design. Previously worked on joinery-inspired timber connections (SMBT @ MIT) and stability of masonry structures (senior thesis @ Princeton University).

Publications

Publications (11)
Article
Despite being accepted as a robust assessment of masonry stability, thrust line analysis (TLA) relies on assumptions that can lead to a conservative assessment of stability. This article aims to quantify the extent of these limitations through a comparison of TLA with discrete element modeling (DEM). Two studies are provided. The first study compar...
Conference Paper
Full-text available
Historic timber structures feature timber joinery connections that use interlocking geometries rather than fasteners. While timber construction since has gradually favored metallic fasteners, the longevity of historic timber structures utilizing joinery connections demonstrates their feasibility in structural systems and potential to enable sustain...
Conference Paper
Principles and precedents in efficient structural design demonstrate the advantage of designing topologies that align well with an underlying vector field, such as principal stress or principal bending moment. While there now exist methods and mature research fields for generating topologies from those underlying vector fields, an alternate approac...
Article
The mass timber industry offers a compelling pathway for low-carbon structural systems in buildings, replacing carbon-intensive materials like concrete and steel with sustainably forested wood. However, conventional structural connections in mass timber construction are largely made of metallic materials, such as screws, nails, and plates. In contr...
Thesis
Timber joinery is a method of geometrically interlocking timber elements prevalent in historic cultures around the world, including North America, Europe, and East Asia. The use of joinery as structural connections faded with the development of metallic screws and nails. Two recent developments offer the opportunity to revive this historic timber c...
Conference Paper
Full-text available
This work fully investigates a specific timber joinery connection via experimental, analytical, and numerical methods. The selected joint is the Nuki joint: a mortised column with through-beam tenon. The experimental approach takes advantage of digital fabrication to reduce variations introduced by hand fabrication while the analytical approach bui...
Chapter
Historic timber structures feature timber joinery connections that use interlocking geometries rather than fasteners. While timber construction since has gradually favored metallic fasteners, the longevity of historic timber structures utilizing joinery connections demonstrates their feasibility in structural systems and potential to enable sustain...
Conference Paper
Full-text available
Innovations in mass timber have ushered in a resurgence of timber construction. Historic timber structures feature joinery connections which geometrically interlock, rarely featuring in modern construction which utilizes steel fasteners for connection details. Research in the geometric potential and mechanical performance of joinery connections rem...
Conference Paper
Full-text available
This paper describes how NovoEd, a web platform that hosts a variety of online courses, was used to enhance an introductory course (taught at Princeton University (USA) during the fall of 2014) with a structural engineering design component. Though the project was implemented in a solid mechanics course, the project’s aims and objectives are applic...

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Projects

Projects (2)
Project
Prototyping the parametric design process.
Project
Exploring the mechanics, assembly, and optimization of all-timber joints.