FIRE RESISTANCE OF CONCRETE-FILLED SQUARE HOLLOW SECTIONS BEING EXPOSURE TO TWO-OPPOSITE-SIDE FIRE

LüXuetao; Yang Hua; Zhang Sumei

doi:10.13204/j.gyjz201206031

Volume 42 Issue 6

Dec. 2014

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LüXuetao, Yang Hua, Zhang Sumei. FIRE RESISTANCE OF CONCRETE-FILLED SQUARE HOLLOW SECTIONS BEING EXPOSURE TO TWO-OPPOSITE-SIDE FIRE[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(6): 148-152. doi: 10.13204/j.gyjz201206031

Citation:

LüXuetao, Yang Hua, Zhang Sumei. FIRE RESISTANCE OF CONCRETE-FILLED SQUARE HOLLOW SECTIONS BEING EXPOSURE TO TWO-OPPOSITE-SIDE FIRE[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(6): 148-152. doi: 10.13204/j.gyjz201206031

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FIRE RESISTANCE OF CONCRETE-FILLED SQUARE HOLLOW SECTIONS BEING EXPOSURE TO TWO-OPPOSITE-SIDE FIRE

doi: 10.13204/j.gyjz201206031

1.
1. College of Engineering and Architecture,Liaoning Technical University,Fuxin 123000,China;
2.
2. School of Civil Engineering,Harbin Institute of Technology,Harbin 150090,China;
3.
3. Research Station on Mechanics for Postdoctoral Fellows,Liaoning Technical University,Fuxin 123000,China

Received Date: 2011-02-21
Publish Date: 2012-06-20

Abstract

Abstract

The fire resistance behaviour and design of concrete-filled SHS(square hollow sections) columns are oneof the key issues in practice, thus many researchers abroad and at home are concerned with this field. Previousresearch and codes are based essentially on a four-side heated boundary hypothesis. However, concrete-filled SHScolumns may be exposure to non-uniform fires, including one-side fire, two adjacent sides fire and three-side fire.There are different fire resistance behaviors between non-uniform fire conditions from four-side fire condition. Theresearch herein focuses on one of the non-uniform fire types-two-opposite-side fire, to study the fire resistance ofconcrete filled SHS. Based on parametric analysis, simplified calculation formula for predicting the residual loadbearing capacity was deduced through massive calculation and the formula is expected to be used in the design of thefire resistance of the concrete-filled SHS being exposure to two-opposite-side fire.
- two-opposite-side fire,
- concrete-filled square hollow section,
- fire resistance,
- temperature field,
- residual bearing capacity

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References(10)

References

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