Experimental Analysis of Column To Column Connections for Precast Concrete Truss

Experimental Analysis of Column To Column Connections for Precast Concrete Truss, Souza, Sueli, Lúcio Válter, Chastre Carlos, Souza Luiz, and Martins David , fib Symposium 2016. Performance-based approaches for concrete structures, 21 – 23 November, Cape Town, South Africa, p.10p, (2016) copy at https://docentes.fct.unl.pt/cmcr/publications/experimental-analysis-column-column-connections-precast-concrete-truss

Date Presented:

21 – 23 November


The wind energy production is a growing industry and the energy produced is renewable and environmentally cleaner than most of the other systems. The towers to support the wind energy generators may be built with precast concrete elements that are competitive in comparison to other structural systems. The evolution of the technology for wind energy production shows a clear need for larger wind turbines and longer blades and, consequently, taller towers, where precast concrete solutions are competitive. Truss precast concrete towers is a solution that complies with the demands of the present and future wind energy production. The research on the execution and structural behaviour of the connections between the tower elements is an important issue. This communication presents the experimental analysis of column to column connections for precast concrete towers. The tests included connections with commercial threaded bars welded to the rebars and connections with grouted corrugated steel sleeves. Thick joints (50 mm) filled with fibre reinforced grout and thin joints (3 mm) filled with epoxy resin were tested and analysed.


[1] Global Wind Energy Council. (2014). Global Statistics. Fonte: GWEC. Representing The Global Wind Energy Industry: www.gwec.net.
[2] Lúcio, V.; Chastre, C.; Precast concrete wind tower structures-historic evolution, current development and future potential; CPI - Concrete Plant International; June 2014.
[3] El Debs, M. K.; Precast concrete: design principles and uses (in Portuguese). São Carlos, EESC-USP, 2000.[4] Reguengo, R.; Lúcio, V.; Chastre, C.; Column-foundation connections for precast structures with protruded rebars from the column – monothonic and cyclic tests (in Portuguese); Encontro Nacional Betão Estrutural 2008, Guimarães, 2008.
[5] Miltenberger, P.; Capacity design of grouted anchors; 16th International Conference on Structural Mechanics in Reactor Technology; Washington, DC, USA, 2001.
[6] Popa, V.; Papurcu, A.; Cotofana, D.; Pascu, R.; Experimental testing on emulative connections for precast columns using grouted corrugated steel sleeves. Bulletin of Earthquake Engineering, August 2015, Volume 13, Issue 8, pp 2429-2447.
[7] Ling, J.; Rahman, A.; Ibrahim, I.; Feasibility study of grouted splice connector under tensile load; Construction and Building Materials,Volume 50, 15 January 2014, Pages 530–539.
[8] Fagà, E.; Bianco, L.; Bolognini D.; Nascimbene, R.; Comparison between numerical and experimental cyclic response of alternative column to foundation connections of reinforced concrete precast structures; Proceedings of the Third International fib Congress and PCI AnnualConvention and Bridge Conference; Washington, DC, USA, June 2010; ISBN: 9781617828218
[9] Precast structures in the world – uses and structural behaviour (in Portuguese); Edition FFCT - UNL, Printed in Editora Parma Lda, S. Paulo, Brasil, 2012, ISBN: 978-989-97721-1-3.