John W. Olver Design Building University of Massachusetts, USA

Customer Project

Structural Analysis Equilibrium Consulting Inc.
Vancouver, BC, Canada
Architect Leers Weinzapfel Associates Architects
Boston, MA, USA
Investor University of Massachusetts Building Authority
Boston, MA, USA

In September 2017, the Design Building at the University of Massachusetts in Amherst was completed. The $52 million project is one of the largest timber structures in the USA and one of the largest wood-concrete composite projects in the world.

The four‑story 8,129 m² academic facility houses three departments in the built environment at UMass Amherst including offices, design studios, lecture theaters, and laboratories.

Structure and Design

The building is largely exposed and consists of 5 ply CLT concrete composite floor panels supported by a glulam post and beam structure.

The engineers of Equilibrium Consulting Inc. modelled and analysed two main building components utilizing RFEM including the ‘zipper trusses’ with adjacent steel trusses as well as the timber-concrete composite section trusses.

Each zipper truss converges four 23 cm diameter timber struts and four varying diameter steel bars at a single point to transfer the load back to the upper glulam beams. The 4 m wide trusses vary in span length from 11 m to 18 m along with a varying depth between 2 m and 3 m.

For the timber-concrete composite section truss design, multiple steel connectors were modelled along the truss length to initiate the composite action between the concrete deck and the glulam timber beam. The timber-concrete composite section truss clear span extends a total length of about 8 m.

The Design Building sets a new standard of quality and performance for institutional timber construction in the USA and demonstrates how state-of-the-art timber construction can meet the demanding performance requirements of large, post-secondary educational facilities.

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RFEM Main Program
RFEM 5.xx

Main Program

Structural engineering software for finite element analysis (FEA) of planar and spatial structural systems consisting of plates, walls, shells, members (beams), solids and contact elements

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