Post-earthquake fire performance of moment resisting frames with reduced beam section connections

Memari, Mehrdad; Mahmoud, Hussam; Ellingwood, Bruce R.

doi:10.1016/j.jcsr.2014.09.008

Cited by 47 publications

(26 citation statements)

References 9 publications

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“…On the other hand, previous studies on two dimensional frames indicate uniform axial forces along the beams. A previous study on a non-composite frame 9 revealed that the tension forces developed during the cooling phase of fire are insignificant in terms of the overall beam behaviour. This conclusion is questionable for the composite frame in this study since it is found that the cooling phase creates high tensile forces.…”

Section: Effect Of Residual Displacementmentioning

confidence: 95%

“…Moreover, Memari et al 9 presented finite element simulation to study post-earthquake fire performance of steel moment resisting frames with reduced beam section (RBS) connections. The frames were subjected to a suite of ground motion records to simulate earthquake using nonlinear dynamic analysis.…”

Section: School Of Mechanical Aerospace and Civil Engineering Univementioning

confidence: 99%

See 1 more Smart Citation

Compressive stress-strain relationship of strain-hardening cementitious composite with hybrid fibres after high temperature exposure

Liu¹,

Tan²,

Guo³

2017

Applications of Fire Engineering

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Section: Effect Of Residual Displacementmentioning

confidence: 95%

Section: School Of Mechanical Aerospace and Civil Engineering Univementioning

confidence: 99%

Compressive stress-strain relationship of strain-hardening cementitious composite with hybrid fibres after high temperature exposure

Liu¹,

Tan²,

Guo³

2017

Applications of Fire Engineering

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“…Fires that are directly caused by such earthquake-related failures should be therefore distinguished by other fires, such as e.g. those occurring in buildings that had previously been damaged by an earthquake, before reparations are undertaken [8,9], by using a name such "earthquakeinduced fires". However, the terms Fire Following Earthquake (FFE) or Post-Earthquake Fire (PEF) are commonly used in literature and the latter is also adopted in this paper.…”

Section: Design For Accidental Actionsmentioning

confidence: 99%

Post-earthquake fire resistance of steel buildings

Jelinek¹,

Zania²,

Giuliani³

2017

Journal of Constructional Steel Research

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“…They found that the design specifications dominate the behavior of the frames under fire loads, as the school structure endured more time under pre-and post-earthquake fire. Memari et al studied the behavior of the steel moment frames with RBS connection in fire after earthquake, considering the seismic damage to the fireproofing components at the reduce section zones [11]. They found that with the increase of the inter story drift ratio (IDR), the fire resistance of the structures decreases for all of the considered fire scenarios.…”

Section: Introductionmentioning

confidence: 99%

Collapse assessment of Protected Steel Moment Frame under Post-earthquake Fire

Gerami

Mirzaei

2019

Scientia Iranica

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Postal code: 3513119111, Semnan, Iran Tel: +989125540046 Fax: +982333321005 Biographical notes: Pouria Mirzaei is a PhD student in the field of earthquake engineering in Semnan university of Iran. He has receive his M.Sc. degree from Iran University of science and technology (IUST) in 2012. He is working in a civil engineering company as a consultant engineer. His major specialty relates to fire engineering and modelling of structural systems. Mohsen Gerami is a Professor of civil engineering in Semnan University of Iran. He has received his Ph.D. from Tarbiat Modares University in 2003. His studies cover a wide range of topics in the structural and earthquakes engineering, including dynamic analysis of structures, performance based engineering, near fault ground motion effects and fire engineering. AbstractThis paper investigates the behavior of low-, medium-and high-rise protected steel moment resisting frames under post-earthquake fire through two different methods. In the first method, the pushover analysis is utilized to simulate the response of the sample structures for various target displacements. Then the thermal-mechanical analysis is implemented to evaluate the behavior of the damaged frames under fire, assuming that the fireproofing is delaminated at the end regions of the beams. In the second method, the seismic response of the frames under two sets of the MCE-scaled near and far fault ground motion records is determined employing the time history analysis. In this method, the damage of fireproofing is characterized by the maximum inter-story drift ratio. The results of the study revealed that the method 1 give similar results to the method 2, for most cases. It is also found that for sufficiently large drift demands, the collapse of the frames under post-earthquake fire occurs in side-way mode, while for lower seismic responses, the local failure of beams dominates other failure modes. Moreover, it was found that the reduction of fire resistance time due to the effects of MCE seismic loads ranges 4% to 27% for the considered structures.

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Post-earthquake fire performance of moment resisting frames with reduced beam section connections

Cited by 47 publications

References 9 publications

Compressive stress-strain relationship of strain-hardening cementitious composite with hybrid fibres after high temperature exposure

Compressive stress-strain relationship of strain-hardening cementitious composite with hybrid fibres after high temperature exposure

Post-earthquake fire resistance of steel buildings

Collapse assessment of Protected Steel Moment Frame under Post-earthquake Fire

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