Demountable Steel‐Concrete Composite Floors for Circular Economy: State of the Art and Design Principles

Abstract

The construction sector activities contribute to irreversible effects on the environmental systems. New forms of construction are needed to increase the circular economy and sustainability within the built environment. Steel-concrete composite floors are not demountable, because the typical shear connection with welded studs is permanent. To avoid demolition and promote the reuse of the structural components, demountable shear connection systems need to be adopted. This article presents a literature review of different forms of demountable shear connection solutions and an overview of suitable design rules for such solutions.

Hybrid Steel Frames With Mass Timber Floors: Performance, Challenges and Sustainability Benefits

“…EN 1994-1-1 [20] and complementary guidance on steel beams with precast planks can be used. A review of bolted shear connections is given in reference [21].…”

Demountable Steel‐CLT Composite Floors for Net‐Zero Carbon Buildings: State of the Art and Design Principles

“…The existing models found in the literature for demountable steel-concrete connectors may be considered. Guidance can be found in references [66] to [69]. An appropriate concrete/grout cover should be provided to prevent any unfavourable effect given by the proximity of the CLT panel (and damage to the panel).…”

“…2c), the existing literature on demountable steel-concrete connectors may be considered. Guidance can be found in references [66] to [69], [37], and [42] to [49].…”