CZM-based FE numerical study on pull-out performance of adhesive bonded-in-rod (BiR) joints for timber structures

Bedon, Chiara; Rajčić, Vlatka; Barbalić, Jure; Perkovic, N.

doi:10.1016/j.istruc.2022.10.084

Cited by 4 publications

(2 citation statements)

References 47 publications

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“…Different mechanical connection systems have been applied in practice [5], such as for example dowel type fasteners, notches [6], studs [7], glued in rods [8], plates [9] or even the combination of various fastening systems [10]. Despite the observed advantages of hybrid timber-to-concrete (TTC) systems, like for example their increased load-bearing capacity, but also airborne sound transmission, structural fire rating, seismic performance and thermal mass, TCC solutions have also some significant drawbacks.…”

Section: Introductionmentioning

confidence: 99%

Out-of-Plane Strengthening of Existing Timber Floors with Cross Laminated Timber Panels Made of Short Supply Chain Beech

Spera,

Sciomenta,

Bedon

et al. 2024

Buildings

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Establishing short supply chains for timber has become important especially in Italy, which is an historically wood-importer country. Timber is an environmentally friendly construction material and a potential mean to reduce carbon footprint produced every year by the building sector. In addition to its sustainability benefits, reversible strengthening interventions can be attained for existing structures. As such, timber can be efficiently used to preserve and protect historical buildings which are, due to architectural and aesthetic values, fundamental components of the Italian cultural heritage. In this study, the use and potential of novel cross-laminated (X-Lam or CLT) timber panels made of Italian hardwood (i.e., beech) for strengthening of existing timber floors is investigated. A quantitative comparison between the mechanical performances of the proposed wood-based product and common retrofitting techniques, such as double-crossed timber planks and reinforced concrete slabs, is carried out in terms of bending stiffness (which is evaluated according to Eurocode 5), influence of weight and reversibility of intervention. It is shown that CLT panels represent a good compromise/alternative for the realisation of reversible and sustainable reinforcing interventions, with rather well promising performances.

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Section: Introductionmentioning

confidence: 99%

Out-of-Plane Strengthening of Existing Timber Floors with Cross Laminated Timber Panels Made of Short Supply Chain Beech

Spera,

Sciomenta,

Bedon

et al. 2024

Buildings

View full text Add to dashboard Cite

show abstract

“…Another type of method is finite element simulation. This method treats the adhesive layer as an elastic [3] or elastic-plastic element [4], or as a cohesive element [5][6] or extended finite element [7][8][9]. The simulation method can be used for complex bonded structure and complex stress state to simulate the failure process of bonded structure.…”

Section: Introductionmentioning

confidence: 99%

A simplified finite element method for failure analysis in adhesive-bonded nozzle diffuser of solid rocket motors

Fang¹,

Lou²,

Ma³

et al. 2023

J. Phys.: Conf. Ser.

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The adhesive bond between the nozzle diffuser shell and the insulation layer of solid rocket motors (SRM) is widely used due to its lightweight, simple design, and easy operation. The mechanism of adhesive-bonded failure between them is a concern for designers. In this paper, a simplified finite element method for failure analysis in the adhesive-bonded nozzle diffuser of SRM is proposed. In the method, the diffuser shell, insulation layer, and adhesive between them are considered elastic. The maximum Von Mises stress failure criterion is assumed to be suitable for the adhesive. The adhesive-bonded failure is simulated by using the user subroutine VUSDFLD in the commercial Finite Element Analysis software ABAQUS. The method is verified to be simple but effective based on the comparison with experimental results. The adhesive-bonded failure process under external load can be well simulated, and the critical external load of adhesive-bonded failure can be accurately predicted. In addition, the method is utilized to study the failure of the nozzle diffuser with several kinds of original debonding. It is suggested that the original axial debonding ratio should be less than 60%, and the circumferential debonding angle should be smaller than 30° in the conical section of the nozzle diffuser.

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Experimental and numerical evaluation of multi-directional compressive and flexure behavior of three-dimensional printed concrete

Kumar,

Dey,

Panda

et al. 2023

Front. Struct. Civ. Eng.

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CZM-based FE numerical study on pull-out performance of adhesive bonded-in-rod (BiR) joints for timber structures

Cited by 4 publications

References 47 publications

Out-of-Plane Strengthening of Existing Timber Floors with Cross Laminated Timber Panels Made of Short Supply Chain Beech

Out-of-Plane Strengthening of Existing Timber Floors with Cross Laminated Timber Panels Made of Short Supply Chain Beech

A simplified finite element method for failure analysis in adhesive-bonded nozzle diffuser of solid rocket motors

Experimental and numerical evaluation of multi-directional compressive and flexure behavior of three-dimensional printed concrete

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