Bending behaviour of novel Textile Reinforced Concrete-foamed concrete (TRC-FC) sandwich elements
Artikel i vetenskaplig tidskrift, 2017

A novel sandwich element design consisting of two facings made of carbon reinforced Textile Reinforced Concrete (TRC), a low density foamed concrete (FC) core and glass fibre reinforced polymer (GFRP) connecting devices was experimentally investigated according to quasi-static and cyclic quasi-static four-point bending. Optical measurements based on Digital Image Correlation (DIC) were taken during testing to enable a detailed analysis of the bending behaviour and level of composite action. A model, verified by the experiments, was developed based on non-linear finite element analysis (NLFEA) to gain further insight on the failure mechanisms. Under both loading conditions, the bending behaviour of the TRC-FC composite elements was characterized by favourable load bearing capacity, partial composite action, superior ductility and multiple fine cracking. The connecting devices were found to be the critical elements causing the initial failure mechanism in the form of localized pull-out within an element.

Textile Reinforced Concrete (TRC)

Finite element analysis (FEA)

Four-point bending test

Sandwich elements

Foam concrete (FC)

Författare

Natalie Williams Portal

CBI Betonginstitut

Mathias Flansbjer

SP Sveriges Tekniska Forskningsinstitut AB

Kamyab Zandi

Chalmers, Bygg- och miljöteknik, Konstruktionsteknik

Lech Wlasak

Mostostal Warszawa

Katarina Malaga

CBI Betonginstitut

Composite Structures

0263-8223 (ISSN)

Vol. 177 104-118

Styrkeområden

Nanovetenskap och nanoteknik

Building Futures

Materialvetenskap

Ämneskategorier

Samhällsbyggnadsteknik

Infrastrukturteknik

Annan samhällsbyggnadsteknik

Husbyggnad

DOI

10.1016/j.compstruct.2017.06.051

Mer information

Senast uppdaterat

2018-09-06