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Experimental insight into spalling behavior of concrete tunnel linings under fire loading
Abstract New experimental insight into the spalling behavior of concrete in fire conditions is presented in this paper. Spalling was recorded by a high-speed camera. The slow-motion sequences allow us to determine the size, shape, and velocity of the spalled-off pieces. With this information at hand, the released energy associated with every spalling event is computed and compared to the energies associated with pore-pressure and thermal-stress spalling. This comparison provides new insight into the impact of the various thermal, mechanical, and hydral processes controlling concrete spalling.
Experimental insight into spalling behavior of concrete tunnel linings under fire loading
Abstract New experimental insight into the spalling behavior of concrete in fire conditions is presented in this paper. Spalling was recorded by a high-speed camera. The slow-motion sequences allow us to determine the size, shape, and velocity of the spalled-off pieces. With this information at hand, the released energy associated with every spalling event is computed and compared to the energies associated with pore-pressure and thermal-stress spalling. This comparison provides new insight into the impact of the various thermal, mechanical, and hydral processes controlling concrete spalling.
Experimental insight into spalling behavior of concrete tunnel linings under fire loading
Zeiml, Matthias (author) / Lackner, Roman (author) / Mang, Herbert A. (author)
Acta Geotechnica ; 3 ; 295-308
2008-10-22
14 pages
Article (Journal)
Electronic Resource
English
Concrete , Fire , Released energy , Spalling , Velocity Engineering , Geoengineering, Foundations, Hydraulics , Continuum Mechanics and Mechanics of Materials , Geotechnical Engineering & Applied Earth Sciences , Soil Science & Conservation , Soft and Granular Matter, Complex Fluids and Microfluidics , Structural Mechanics
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