Results 31 to 40 of about 1,718 (235)
Buildings, 2023 Multi-objective optimization problems (MOPs) in structural engineering arise as a significant challenge in achieving a balance between prediction accuracy and efficiency of the surrogate models, which are conventionally adopted as mechanics-driven models
Shixue Liang +3 more
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Applied Sciences, 2019 This study presents the structural behavior and punching shear strength of the concrete slab-column connections strengthened with carbon fiber reinforced polymer (CFRP) laminates. The variables considered for the twelve specimens included the compressive
Cheng-Chih Chen, Shun-Long Chen
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Punching shear resistance of UHPFRC [PDF]
IABSE Reports, 2019 <p>Ultra-High Performance Fibre Reinforced Concrete (UHPFRC) is a high performance cementitious material with enhanced strength in tension and compression and significantly high energy absorption in the post crack region. Its mix composition is not much dissimilar from that of normal strength concrete.
Andreas Lampropoulos +2 more
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Finite element implementation of punching shear behaviors in shear-reinforced flat slabs
Ain Shams Engineering Journal, 2015 Punching shear reinforcement systems such as studs and stirrups are used to improve the punching shear strength of flat slabs. A three dimensional finite element model (FEM) is developed through Ansys 10 computer software, to carry out the nonlinear ...
Ashraf Mohamed Mahmoud
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Journal of Asian Architecture and Building EngineeringTo elucidate the punching–shear failure mechanism and effect pattern of reinforced concrete (RC) slab–column joints with stirrups and/or openings, punching–shear failure tests were systematically conducted on 11 RC slab–column joint specimens to study ...
Hongtao Lai +3 more
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BuildingsReinforced concrete slab-column connections are vulnerable to punching shear failure when subjected to combined gravity and lateral loadings during earthquakes.
Aikaterini S. Genikomsou
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In Situ Micromechanical Study of Bimodal γ′–γ″ Precipitate Assemblies in Ni–Cr–Al–Nb Superalloy
Advanced Engineering Materials, EarlyView.A Ni–Cr–Al–Nb superalloy with a bimodal γ′–γ″ precipitate distribution is developed. Composite precipitate assemblies form through heterogeneous nucleation, effectively impeding dislocation motion. Micropillar compression reveals high strength at room and elevated temperatures, governed by precipitate shearing, with coupled faulting mechanisms ...
Ujjval Bansal +4 more
wiley +1 more source
Research on the Punching Shear Performance of Steel Grid–UHPC Composite Bridge Decks
BuildingsThis study conducted punching shear tests on steel grid–ultra-high-performance concrete (UHPC) composite bridge decks and performed finite element analysis (FEA) to evaluate their punching shear performance. Initially, a comparative analysis is conducted
Sumei Liu +3 more
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International Journal of Concrete Structures and Materials, 2019 The effects of flexural reinforcement and shear reinforcement on the punching shear strength of slab–column connections are analyzed in this study. For the study, six slab–column connection specimens were constructed with varying flexural reinforcement ...
Jae-Ick Jang, Su-Min Kang
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Performance of reinforced concrete flat slab strengthened with CFRP for punching shear
Case Studies in Construction Materials, 2023 Existing reinforced concrete (RC) slabs need punching shear reinforcement due to design defects, structural damage, increased loading, corroded reinforcement bars, and change in the use or function of the buildings.
Haider Hamad Ghayeb +5 more
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