Results 11 to 20 of about 19,981 (243)
Effects of Corrosion on Compressive Arch Action and Catenary Action of RC Frames to Resist Progressive Collapse Based on Numerical Analysis [PDF]
Materials, 2021 Many negative factors can influence the progressive collapse resistance of reinforced concrete (RC) frame structures. One of the most important factors is the corrosion of rebar within the structure. With increasing severity of corrosion, the duration, robustness, and mechanical performance can be greatly impaired.
Lu Zhang
exaly +5 more sources
New analytical calculation models for compressive arch action in reinforced concrete structures [PDF]
Engineering Structures, 2018 Abstract Research challenges associated with progressive collapse of reinforced concrete (RC) structures have attracted growing attention from researchers and industries worldwide, since the 1995 explosion at the Murrah Federal Building in Oklahoma City.
Xin-Zheng Lu, Kai-Qi Lin, Chen-Feng Li
exaly +4 more sources
Buildings, 2023 This paper presents numerical simulations of multi-storey reinforced concrete frames under progressive collapse scenarios. Reinforced concrete frames with different storeys are modelled using DIANA.
Qiao-Ling Fu +3 more
doaj +1 more source
Yantu gongcheng xuebao, 2021 The arching effect is the comprehensive performance of pressure transferr and redistribution of rock and soil mass around the excavated area, which widely exists in the self-bearing surrounding rock of underground mining projects.
ZHAO Yan-hai 1, 2, YU Jin 2, ZHOU Chen-hua 1, ZHAO Kai 1, XIAO Huai-guang 3
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Buildings, 2023 In order to study the bearing safety and influencing factors of the support structures of hydraulic tunnels in cold regions under the action of low-temperature frost heave, a mechanical model of the support structure and surrounding rock was established.
Haibo Jiang +3 more
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Analysis of Damage Mechanism of Tunnel Lining Structure under the Coupling Action of Active Fault
Advances in Civil Engineering, 2021 To reveal the failure mechanism of tunnel structure under active fault movement, based on the pseudostatic elastoplastic finite element method, the failure modes of the tunnel lining are studied under different movement ratios of strike-slip faults and ...
Guotao Yang +5 more
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Progressive collapse performance of shear strengthened RC frames by nano CFRP
Nanotechnology Reviews, 2022 To investigate the effect of nano carbon-fiber-reinforced polymer (nano CFRP) on retrofitting reinforced concrete (RC) structures, this article presented the progressive collapse performance of two half-scale four-bay RC frames including one control ...
Chen Weihong +4 more
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Seismic damage mechanism of slope and lining in the mountain tunnel portal section [PDF]
E3S Web of Conferences, 2020 A series of numerical simulations were conducted to study the seismic response in the mountain tunnel portal section. The seismic damage mechanism, including slope cracking and landslide, rockfalls and collapse, and lining cracking were analyzed based on
Xu Hua +4 more
doaj +1 more source
Effects of Floor System on Progressive Collapse Behavior of RC Frame Sub-Assemblages
Buildings, 2022 The ability to predict the resistance of reinforced concrete (RC) structures to progressive collapse as a result of an interior column removal has become a need in structural design.
Said Elkholy +2 more
doaj +1 more source
Analytical model for the capacity of compressive arch action of reinforced concrete sub-assemblages [PDF]
Magazine of Concrete Research, 2014 Compressive arch action (CAA) is a favourable structural mechanism to mitigate progressive collapse of reinforced concrete (RC) frames. To quickly and accurately predict the CAA capacity of RC sub-assemblages under a column-missing scenario, an engineering analytical model is proposed.
Yu, Jun, Tan, Kang Hai
openaire +2 more sources