Fire resistance of circular steel tubes infilled with ultra-high strength concrete with external fire protection

In this paper, a non-linear three-dimensional finite element model is presented in order to study the behaviour of axially loaded ultra-high strength concrete filled circular hollow tubular columns exposed to fire. Ultra-high strength concrete with compressive strength greater than 180 N/mm2 has bee...

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Permalink: http://skupnikatalog.nsk.hr/Record/nsk.NSK01001059505/Details
Matična publikacija: Engineering review (Online)
39 (2019), 1 ; str. 71-80
Glavni autori: Lyu, Xiao (Author), Du, Erfeng, Li, Ran
Vrsta građe: e-članak
Jezik: eng
Predmet:
Online pristup: https://doi.org/10.30765/er.39.1.8
Elektronička verzija članka
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100 1 |a Lyu, Xiao  |4 aut  |9 HR-ZaNSK 
245 1 0 |a Fire resistance of circular steel tubes infilled with ultra-high strength concrete with external fire protection  |h [Elektronička građa] /  |c Xiao Lyu, Erfeng Du, Ran Li. 
300 |b Ilustr. 
504 |a Bibliografija: 27 jed. 
504 |a Abstract. 
520 |a In this paper, a non-linear three-dimensional finite element model is presented in order to study the behaviour of axially loaded ultra-high strength concrete filled circular hollow tubular columns exposed to fire. Ultra-high strength concrete with compressive strength greater than 180 N/mm2 has been developed for concrete filled tubes for use in high–rise buildings. This paper studies the structural performance of fire protected ultra-high strength concrete filled tubular columns exposed to the standard ISO fire. The aim of this work is to understand and represent the behaviour of axially loaded ultra-high strength concrete filled circular hollow tubular columns in fire situations and to compare calculation results with experiment. The numerical analyses are carried out using a general finite element analysis package ABAQUS and the results are validated against the test results in terms of heat distribution and mechanical behavior. Comparison with the test results showed a reasonable agreement with finite element results in terms of temperature prediction and load displacement behavior during the fire. 
653 0 |a Beton velike čvrstoće  |a Zaštita od požara  |a Otpornost na vatru  |a Kružne čelične cijevi 
700 1 |a Du, Erfeng  |4 aut  |9 HR-ZaNSK 
700 1 |a Li, Ran  |4 aut  |9 HR-ZaNSK 
773 0 |t Engineering review (Online)  |x 1849-0433  |g 39 (2019), 1 ; str. 71-80  |w nsk.(HR-ZaNSK)000848891 
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