Andy Coward

Founder & CEO, Net Zero Projects Limited

Andy Coward MA (Cantab) CEng MICE is a structural engineer with 20 years' industry experience designing buildings and bridges across the world, including R&D work in 3D printing technology over the last 5 years. Prior to inventing minimass and launching the business in 2021, he was Head of Engineering at Bjarke Ingels Group and Associate Partner at Foster + Partners. He holds a first class degree in Civil and Structural Engineering from Cambridge University.

Notable projects include BIG HQ (Denmark), Apple Stores (global), Tocumen International Airport (Panama) and Marseille Vieux Port (France).

My Speaker Sessions

Thursday 13 March 2025

11:50

World-First Footbridge Built Using Minimass 3D Printed Concrete Beams

11:50 - 12:10
  • This presentation will explore the design, engineering and construction of a first-of-a-kind low-cost and low-carbon grant-funded pilot footbridge.
  • The structure was completed in September 2024 at Constructionarium’s Norfolk site and includes two fully instrumented 10.8m-long 3D printed concrete beams, Scottish glulam timber decking and timber parapets.
  • Compared to typical steel or concrete footbridge designs (excl. foundations & prelims) the bridge provides a supply cost saving of 40% and an embodied carbon saving of 30%.
  • Data on strain & temperature in the beams is being gathered over 6 months to map the performance & demonstrate evolution of the concrete strength and  creep.

Speakers