CUED Publications database

The design of cross-laminated timber slabs with cut-back glulam rib downstands - From research to live project

Papastavrou, P and Smith, S and Wallwork, T and McRobie, A and Niem, N (2016) The design of cross-laminated timber slabs with cut-back glulam rib downstands - From research to live project. In: UNSPECIFIED.

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Abstract

A research project was undertaken to investigate the behaviour of composite CLT slabs with glulam downstands cut back from the supports. A desk study and Finite Element Modelling (FEM) were used and evaluated on their ability to model and design such a structure, focusing on the cut back location and utilising reinforcement screws. The project included full-scale laboratory testing of a composite slab to failure with innovative data collection techniques such as Particle Image Velocimetry. A similar structural element was also used in a real construction project and the investigation gave insight towards its design. It was concluded that the embedment depth of reinforcement screws in the glulam downstand is key to the performance of the composite slab with full depth penetration advisable. FEM can give useful results for stress concentrations in the timber and a simplified design method was proposed.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Subjects: UNSPECIFIED
Divisions: Div D > Structures
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:13
Last Modified: 24 Aug 2017 01:30
DOI: