Experimental Investigation of Large-Scale Cladding Sandwich Panels under Out-of-Plane Transverse Loading for Building Applications

Sharaf, Tarek; Fam, Amir

doi:10.1061/(asce)cc.1943-5614.0000176

Cited by 53 publications

(17 citation statements)

References 12 publications

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“…9) developed by Fam and Sharaf (2010) 359 were found to be applicable not only for thermal insulation but also as a structural cladding for 360 buildings. Their experimental investigation using large-scale sandwich panels (9.145 m high, 361 2.440 m wide, and 78 mm thick) under transverse loading showed that the sandwich composites 362 failed at 7.5 kPa or 2.6 times the factored design pressure for the windiest region in Canada 363 (Sharaf and Fam 2011). Furthermore, the deflection under the design wind pressure did not 364 exceed span/360.…”

Section: Intermediate Layer 316mentioning

confidence: 99%

State-of-the-Art Review on FRP Sandwich Systems for Lightweight Civil Infrastructure

et al. 2017

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3Fiber reinforced polymer (FRP) sandwich systems as primary load-bearing elements are 4 relatively new concepts in lightweight civil infrastructure. These systems offer a combination 5 of light weight, high strength, thermal insulation for some types, and service-life benefits. 6Recent developments and applications have demonstrated that these composite systems have 7 emerged as a cost-effective alternative, especially when each material component is 8 appropriately designed. Still, some issues and challenges need to be addressed if FRP systems 9 are to gain widespread use in civil infrastructure. This paper provides an overview of the state-10 of-the-art research, development, and applications of FRP sandwich systems. It also identifies 11 the challenges and future opportunities for the broad use of these advanced systems in civil 12 engineering and construction. 13

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Section: Intermediate Layer 316mentioning

confidence: 99%

State-of-the-Art Review on FRP Sandwich Systems for Lightweight Civil Infrastructure

et al. 2017

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“…Sandwich panels are used for a variety of structural applications, including building construction, transportation, decking, marine, and aerospace (Davalos et al 2001;Li et al 2013;Sharaf and Fam 2011;Vasiliev et al 2001;Wei et al 2013). Design efficiencies for optimum performance, especially to obtain a high strength-to-weight ratio, are achieved by optimizing the geometry and orientation of materials used for the faces and core.…”

Section: Introductionmentioning

confidence: 99%

High Strength Wood-based Sandwich Panels Reinforced with Fiberglass and Foam

Li¹,

Hunt²,

Gong³

et al. 2014

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Mechanical analysis is presented for new high-strength sandwich panels made from wood-based phenolic impregnated laminated paper assembled with an interlocking tri-axial ribbed core. Four different panel configurations were tested, including panels with fiberglass fabric bonded to both outside faces with self-expanding urethane foam used to fill the ribbed core. The mechanical behaviors of the sandwich panels were strength tested via flatwise compression, edgewise compression, and third-point load bending. Panels with fiberglass exhibited significantly increased strength and apparent MOE in edgewise compression and bending, but there were no noticeable effects in flatwise compression. The foam provided improved support that resisted both rib buckling and face buckling for both compression and bending tests. Post-failure observation indicated that core buckling dominated the failures for all configurations used. It is believed that using stiffer foam or optimizing the dimension of the core might further improve the mechanical performance of wood-based sandwich panels.

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“…The tests showed that the shear connection mechanical behaviour strongly influences the deflection at peak load, the peak load, the postpeak load bearing capacity and the degree of composite action. Sharaf studied the flexural performance of composite panels composed of a PU foam core and GFRP skins and with and without GFRP ribs [42,43]. The study comprises experimental, numerical, and analytical investigations that showed flexural strength and stiffness could increase by 50% to 150%, depending on the rib configuration, compared to a panel without ribs.…”

Section: Bending and Shear Behaviourmentioning

confidence: 99%

Structural Performance of Polyurethane Foam-Filled Building Composite Panels: A State-Of-The-Art

et al. 2019

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Composite panels with polyurethane (PU) foam-core and facing materials, such as gypsum, engineered wood or some composite materials, are being used as structural members in building construction. This paper reviews and summarises major research developments, and provides an updated review of references on the structural performance of foam-filled building composite panels from 1998 to 2017. The review revealed that previous studies on the structural performance of foam-filled building composite panels could be categorised into five themes; namely, energy absorption and dynamic behaviour; bending and shear behaviour, edgewise and flatwise compressive/tensile behaviour; delamination/deboning issues; and finally some miscellaneous issues. These categories comprise approximately 30%, 40%, 11%, 11% and 8% of related studies over the last two decades, respectively. Also, over the past five years, the number of relevant studies has increased by ~400% relative to the previous similar periods, indicating the attention and focus of researchers to the importance of the structural performance of foam-filled composite panels.

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Experimental Investigation of Large-Scale Cladding Sandwich Panels under Out-of-Plane Transverse Loading for Building Applications

Cited by 53 publications

References 12 publications

State-of-the-Art Review on FRP Sandwich Systems for Lightweight Civil Infrastructure

State-of-the-Art Review on FRP Sandwich Systems for Lightweight Civil Infrastructure

High Strength Wood-based Sandwich Panels Reinforced with Fiberglass and Foam

Structural Performance of Polyurethane Foam-Filled Building Composite Panels: A State-Of-The-Art

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