Results 91 to 100 of about 455,439 (302)

Studying the Structural Behaviour of RC Beams with Circular Openings of Different Sizes and Locations Using FE Method [PDF]

open access: yes
This paper aims to investigate the structural behaviour of RC beams with circular openings of different sizes and locations modelled using ABAQUS FEM software.
Al-khaykan, A   +4 more
core   +1 more source

Bending performance of ECC-RC composite beams under extreme temperature differences

open access: yesCase Studies in Construction Materials
To study the influence of engineered cementitious composites (ECC)- Reinforced concrete (RC) composite beams on the bending bearing capacity under extreme temperature differences, four groups of ECC-RC composite beams were tested in this study.
Hongxiang Xia   +4 more
doaj   +1 more source

Conductive Tin Oxide Under the Thermal Budget of Perovskite/TOPCon Tandems: Toward Indium‐Free Contacts

open access: yesAdvanced Materials Technologies, EarlyView.
This work demonstrates that achieving conductive undoped SnOx contacts required careful tailoring of oxygen vacancy (VO) tuning and defect engineering. Controlling oxygen deposition pressure and low‐temperature annealing (300°C) optimizes defect stoichiometry and mitigates carrier scattering. This low thermal budget approach significantly enhances Hall
Paul Llontop   +13 more
wiley   +1 more source

Numerical modelling of flexural performance of textile reinforced mortar strengthened concrete beams

open access: yesMaterials & Design
In recent years, the application of textile reinforced mortar (TRM) as an overlay has become an important method for repairing and strengthening old masonry structures. However, the quantitative analysis and design of TRM-strengthened reinforced concrete
Peng Cao   +6 more
doaj   +1 more source

Fatigue behavior of RC T-beams

open access: yes, 2014
The objective of this research is to study the fatigue performance of reinforced concrete (RC) T-beams strengthened in shear with Carbon Fiber Reinforced Polymer (CFRP) composite. Experiments were conducted on RC beams with and without CFRP sheets bonded
Omar A. Farghal
core   +1 more source

Behavior of full-scale RC T-beams strengthened in shear with externally bonded FRP sheets [PDF]

open access: yes, 2012
Recently many research studies have investigated the shear behavior of reinforced concrete (RC) beams strengthened with fiber-reinforced polymer (FRP) composites. However, most were conducted on small-scale specimens.
Bae, Sang Wook   +5 more
core   +1 more source

3D‐Printed Actuator Powered by Liquid Crystal Elastomer Muscles at the Water–Air Interface

open access: yesAdvanced Materials Technologies, EarlyView.
Soft robots for unstructured environments require responsive, durable actuators. Liquid crystal elastomers (LCEs) provide large reversible deformations under thermal or optical stimuli. Direct ink writing enables fabrication of LCE actuators integrated with silicone, with mesogen chemistry and oligomers optimized for printable inks.
Cecilie Ryberg   +5 more
wiley   +1 more source

Effect of using external gfrp plates on structurally deficient RC beams

open access: yesJournal of Civil Engineering and Management, 2003
This paper presents some experimental results on the behaviour of flexure- and shear-deficient RC beams strengthened with external glass fibre reinforced polymer (GFRP) plates.
Hau Y. Leung, Ramapillai V. Balendran
doaj   +1 more source

Strong Enhancement of Er3+ Emission at Room Temperature in Si3N4 Metasurfaces

open access: yesAdvanced Optical Materials, EarlyView.
Erbium‐doped SiN metasurfaces are engineered to support Mie resonances at 1.55μm$1.55\text{}\mathrm{\mu}\mathrm{m}$, enhancing the local density of optical states and accelerating spontaneous emission. By optimizing nanocylinder radius and implantation depth, room‐temperature PL is increased about 18‐fold, while lifetime shortens by nearly an order of ...
Fengkai Wei   +4 more
wiley   +1 more source

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