NDLI: Fire resistance of reinforced concrete bearing walls subjected to all-sided fire exposure

Content Provider	Springer Nature Link
Author	Lee, S. Lee, C.
Copyright Year	2012
Abstract	The fire resistance of concentrically loaded reinforced concreted bearing walls with all-sided fire exposure was theoretically and experimentally investigated. The proposed model for predicting the axial behavior of bearing walls considers complex features of the wall in a fire, such as thermal expansion, change of material properties with temperature and spalling of concrete. Comparison with the experimental observations made for a total of eight reinforced concrete walls showed that the model could reasonably simulate the axial behavior of these walls. Using the model, wall thickness and the level of axial load were identified as major parameters influencing the fire resistance. The accuracy of fire resistance provided in different codes was also reviewed. Based on the model predictions, a practical formula for the fire resistance has been derived in terms of wall thickness and the ratio of axial load to the nominal strength of the wall. A close agreement in fire resistance was observed between the predictions made by the model modified with a reduction factor and those from Eurocode 2.
Starting Page	943
Ending Page	957
Page Count	15
File Format	PDF
ISSN	13595997
Journal	Materials and Structures
Volume Number	46
Issue Number	6
e-ISSN	18716873
Language	English
Publisher	Springer Netherlands
Publisher Date	2012-10-09
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Concrete walls Model Fire test Fire resistance Formula Structural Mechanics Materials Science Theoretical and Applied Mechanics Operating Procedures, Materials Treatment Civil Engineering Building Materials
Content Type	Text
Resource Type	Article
Subject	Building and Construction Mechanics of Materials Materials Science Civil and Structural Engineering

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