Investigation of Notched Composite  Wood–Concrete Connections

Gutkowski, Richard M.; Brown, Kevin; Shigidi, Abdalla M. T.; Natterer, Julius

doi:10.1061/(asce)0733-9445(2004)130:10(1553)

Cited by 74 publications

(23 citation statements)

References 4 publications

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“…To date, many studies on TCC connection and its performance have been done ͑Fragiacomo et al 2007; Gutkowski et al 2004;Lukaszewska et al 2007Lukaszewska et al , 2009Aicher et al 2003;Clouston et al 2005͒. Fragiacomo et al ͑2007͒ reported results of tests to failure and under sustained load of a proprietary head stud connector screwed to the timber marketed by the "Tecnaria SpA" ͑www.tecnaria.it͒.…”

Section: Introductionmentioning

confidence: 99%

Experimental Tests of Notched and Plate Connectors for LVL-Concrete Composite Beams

et al. 2011

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This paper reports the experimental results of symmetrical push-out tests performed on notched and toothed metal plate connectors for laminated veneer lumber ͑LVL͒-concrete composite floor systems. The characteristic shear strength and slip moduli were evaluated for three types of connectors: ͑1͒ a 300-mm-long rectangular notch cut in the LVL joist and reinforced with a 16-mm-diameter lag screw; ͑2͒ a triangular notch reinforced with the same lag screw; and ͑3͒ two 333-mm-long toothed metal plates pressed in the lateral surface of two adjacent LVL joists. The shear force versus relative slip relationships are presented together with analytical prepeak and postpeak approximations which can be used to carry out nonlinear finite-element analyses of LVL-concrete composite beams. The failure mechanisms of the notched connections are also discussed. Analytical design formulas for shear-strength evaluation of notched connections derived in accordance with New Zealand Standards and Eurocodes are proposed based on four possible failure mechanisms. Good approximation was found if a slight modification of the Eurocodes formulas is introduced.

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Section: Introductionmentioning

confidence: 99%

Experimental Tests of Notched and Plate Connectors for LVL-Concrete Composite Beams

et al. 2011

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“…Currently, civic authorities, industry, and the general public are mainly looking for innovative solutions that are low cost and sustainable, requirements that are fulfilled by TCC bridge structural systems. Actually, TCC bridges are generally accepted as competitive structures, especially in respect to environmental sustainability factors (Meierhofer 1993;Natterer 2002;Steinberg et al 2003;Gutkowski et al 2004), and for their huge field of existing applications.…”

Section: Worlwide Usementioning

confidence: 99%

Timber-Concrete Composite Bridges: State-of-the-Art Review

Rodrigues¹,

Dias²,

Providência³

2013

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This review article presents a state-of-the-art survey on timber-concrete composite (TCC) bridges. It starts with a presentation of a sample of relevant TCC bridges, offering a global perspective on the use of this type of bridge. The number of TCC bridges has clearly increased in the past few years, and some of the reasons for this trend are explored. Next, an extensive literature review is presented regarding the most significant technological innovations and recent developments in the application of TCC structures to bridge construction. Firstly, the engineering specificities and the advantages of TCC bridge structural systems are enumerated. Afterwards, the importance of proper mechanical connection for optimal performance of TCC structures is explained, and a thorough description of the connection systems suitable for bridge construction is provided. Some research into the structural behavior of TCC bridges under service conditions is then presented and discussed. Finally, possible areas of future research regarding the development of TCC bridges are suggested.

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“…Dentre os materiais de uso comum na construção de estruturas rurais, destaca-se a madeira que do ponto de vista ambiental constitui-se num recurso renovável e que requer baixo consumo energético para a sua produção (STEINBERG et al, 2003;GUTKOWSKI et al, 2004). A madeira, conjuntamente com o concreto, pode constituir uma seção mista, resultando em diversas vantagens relacionadas, por exemplo, à resistência e à durabilidade da construção, conforme descrevem GELFI et al (2002) e MIOTTO & DIAS (2006).…”

Section: Introductionunclassified

“…Por esses aspectos, a seção mista em madeira-concreto é apresentada como solução viável. A seção mista consiste basicamente de uma placa em concreto conectada a peças de madeira (Figura 2), por meio de ligações discretas, como, por exemplo: entalhes na madeira, parafusos, pregos, tarugos de aço ou, ainda, conectores metálicos especiais (CECCOTTI, 1995;GUTKOWSKI et al, 2004;FRAGIACOMO et al, 2007). O sistema ligação contínuo pode ser obtido, por exemplo, com aplicações de adesivo epóxi (STOJIC & CVETKOVIC, 2001;BRUNNER et al, 2007).…”

Section: Introductionunclassified

“…Em relação às construções somente em madeira, CLOUSTON et al (2005) Já, quando comparadas às estruturas em concreto armado, as estruturas mistas representam uma redução de custo direto por área, um menor consumo de material para fôrmas e, em geral, dispensam o uso de escoras para concretagem (CECCOTTI, 1995;GUTKOWSKI et al, 2004). A redução da ação permanente resulta também em elementos de fundações mais simples (STOJIC & CVETKOVIC, 2001).…”

Section: Introductionunclassified

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