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Effects of Pre-Oxide Layer Thickness on Thermal Cyclic Behavior of Thermal Barrier Coatings
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Cyclic Oxidation Behavior of Thermal Barrier Coatings in Environments Containing Water Vapor
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Design and Properties of Fire-Proof Coating for Tunnels
p.1753
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Design and Properties of Fire-Proof Coating for Tunnels

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Abstract:

Silicate fireproof coatings for tunnels (FCT) have many eminent properties. But low adhesion strength and poor water/fire-resistance of this kind of materials largely limit its applications. Here we reported a new kind of FCT based on high alumina cement as principle adhesive, redispersible powder as assisting adhesive, ammonium polyphosphate as fire-retardant material, vermiculite as adiabatic padding, and magnesium hydroxide as assisting reagents. The influence of various experimental conditions on fire resistance, adhesion strength and water resistance were carefully studied. Results showed that dispersible emulsoid powder was a key component affecting adhesion strength and water resistance of FCT, whereas fire-retardant material posed significant effects on the fire resistance.

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Periodical:

Key Engineering Materials (Volumes 336-338)

Pages:

1753-1755

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.336-338.1753

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Online since:

April 2007

Authors:

Ya Dong Yao, Guang Fu Yin, Xiao Wei Cheng, Xiang Li Gou

Keywords:

Adhesion Strength, Fire Resistance Limit, Fireproof Coating For Tunnels, Water Resistance

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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References

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