Effects of opening edge treatment and EPS thickness on EPS external thermal insulation composite systems (ETICS) façade reaction‐to‐fire performance based on JIS A1310 standard façade fire test method

Zhou, Baoxue; Yoshioka, Hideki; Noguchi, Takafumi; Ando, Tomohiro

doi:10.1002/fam.2486

Cited by 18 publications

(20 citation statements)

References 16 publications

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“…EPS ETICS specimens were prepared according to the Japanese standard method 15 . All the experiments were conducted in the Building Research of Institute of Japan located in Tsukuba.…”

Section: Experiments and Methodsmentioning

confidence: 99%

“…The radiation heat from a combustion flame has been reported to show a heavily influence on the accuracy of temperature measurement during large‐scale fire test 20 . The radiation heat flux profiles of EPS ETICS façade surface during JIS A 1310 test indicated heat flux density of location HF1 (0.5 m) and HF2 (0.9 m) are much higher than other position 15 . Therefore, radiation heat perhaps arise the uncertainty of thermocouples.…”

Section: Experiments and Methodsmentioning

confidence: 99%

“…Most of available EPS ETICS fire researchers only focused on probabilities of fire spread assessment, 7‐9 fire safety of EPS ETICS during different process stages, 10 fire rescue analysis, 11 fire barrier influence on EPS ETICS reaction‐to‐fire performance, 12 damage of the facade's render effects on EPS ETICS fire performance, 13,14 effects of opening edge treatment, 15‐17 comprehensive fire risk evaluation methods 18 and so on. Very few experimental data are available to understand the time‐averaged FPS adequately.…”

Section: Introductionmentioning

confidence: 99%

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Experimental study of time‐averaged upward fire propagation speed of expanded polystyrene external thermal insulation composite systems masonery façade

et al. 2020

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Summary Thermoplastic expanded polystyrene (EPS) external thermal insulation composite systems (ETICS) have caused serious results due to the ravages of frequent fire disasters in the world. Fire propagation of EPS ETICS was observed to be fast over exterior building wall, however, very few reports of time‐averaged fire propagation speed (FPS) is available currently. To have a quantitative understanding of FPS, a series of EPS ETICS façades were tested according to the intermediate‐scale Japanese JISA 1310 standard method. EPS thickness of ETICS varies from 100 mm to 300 mm and heat release rate (HRR) of window spilled flame differs from 600 kW to 1100 kW. It indicates that the time‐averaged FPS vs vertical distance is observed to be positive linear. The acceleration of FPS is found to be linear with a dimensionless item, which involves fire propagation index (FPI), HRR of window spilled flame and thickness of EPS. Finally, a calculation method for an upward fire spreading profile is proposed, which initially provides a theoretical basis for evaluation of the reaction‐to‐fire performance of EPS ETICS façade.

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“…EPS ETICS specimens were prepared according to the Japanese standard method 15 . All the experiments were conducted in the Building Research of Institute of Japan located in Tsukuba.…”

Section: Experiments and Methodsmentioning

confidence: 99%

Section: Experiments and Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Experimental study of time‐averaged upward fire propagation speed of expanded polystyrene external thermal insulation composite systems masonery façade

et al. 2020

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“…Currently, as the façade fire attracts more and more attentions, the investigation into window fire plume is a popular topic for fire researchers. The 2009 CCTV Tower Fire and 2010 Shanghai Fire in China are typical cases of large façade fire . Especially after London Grenfell Tower façade fire happened on June 14, 2017, the attention was increased sharply .…”

Section: Introductionmentioning

confidence: 99%

Experimental study on vertical temperature profile of buoyant window spill plume from intermediate‐scale compartments

et al. 2020

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The correlation between dimensionless temperature and vertical position z were discussed by conducting a series of intermediate-scale tests performed a 1.35 m (L) × 1.35 m (H) × 1.35 m (W) fire compartment, whose window-opening size varied from 0.91 m (H) × 0.41 m (W) to 0.91 m (H) × 0.91 m (W) and heat release rate (HRR) differed from 200 to 1000 kW. The effects of fire plume reattaching-to-wall behaviors, the varied neutral plane positions, and window-opening aspect n on Yokoi's correlation is analyzed according to the comparison of theoretical analysis and experimental results. Finally, an attempt to increase the rationality and continuity of Yokoi's plots is conducted. The new correlation consists of two different types of plots regarding the plume region and flame region. The reattaching-to-wall behavior of flame region showed a heavy effect on the new correlation plot. Chamber dimension imposes little influence on the new correlation plot. K E Y W O R D S fire plume reattaching-to-wall behaviors, varied neutral plane positions, window-opening aspect n, Yokoi's correlation

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“…On the basis of the assumption that the width of the flame is constant, Thomas and Law 6 proposed a semiempirical formula to predict the height and length of the ejected flame from a compartment. Zhou et al, 7 found that EPS ETICS with back‐wrapping method performed well in mitigating the severity of window spreading fire. In recent years, a series of important researches on the ejected plume behavior was established by Michael A. Delichatsios and Lee Yee‐Ping 8,9 .…”

Section: Introductionmentioning

confidence: 99%

Maximum temperature rise of fire plume ejected out of the compartment window with a horizontal eave

Gao

et al. 2020

Fire and Materials

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Summary This study focuses on the maximum temperature rise of fire plume ejected out of the compartment window with a horizontal eave. Based on the symmetry of ejected plume and pictures recorded by the cameras in the study, the shape of ejected thermal plume out of the window under the eave is suggest as an isosceles trapezoid, and the ejected thermal plume rising at the edge of the eave is assumed to be a rectangular fire source. The dimensions of the rectangular fire source are theoretically deduced for compartment fire process of different window geometry, width of eave, and heat release rate, according to the conservation of plume mass. The previous predictive model for plume temperature proposed by Quintiere is popularized to the ejected flame above an eave by including the dimensions of the rectangular fire source as well as the width of eave. The results would provide theoretical guidance to the application of fireproof eave in high‐rise building for fire protection designs.

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Effects of opening edge treatment and EPS thickness on EPS external thermal insulation composite systems (ETICS) façade reaction‐to‐fire performance based on JIS A1310 standard façade fire test method

Cited by 18 publications

References 16 publications

Experimental study of time‐averaged upward fire propagation speed of expanded polystyrene external thermal insulation composite systems masonery façade

Experimental study of time‐averaged upward fire propagation speed of expanded polystyrene external thermal insulation composite systems masonery façade

Experimental study on vertical temperature profile of buoyant window spill plume from intermediate‐scale compartments

Maximum temperature rise of fire plume ejected out of the compartment window with a horizontal eave

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