- Page 1 and 2: Fire Design of Steel Members K R Le
- Page 4: ABSTRACT: The New Zealand Steel Cod
- Page 8 and 9: TABLE OF CONTENTS: ABSTRACT:.......
- Page 12 and 13: LIST OF FIGURES: FIGURE 1.1: VARIAT
- Page 14: FIGURE 5.11: TEMPERATURE CONTOUR LI
- Page 17 and 18: designed with confidence. Full scal
- Page 19 and 20: eams and struts when subjected to a
- Page 21 and 22: Gilvery and Dexter, (1997), prepare
- Page 23 and 24: with conditions specified to ensure
- Page 25 and 26: 1.6 BACKGROUND INFORMATION: 1.6.1 F
- Page 27 and 28: experienced in fire situations, but
- Page 29 and 30: The thermal conductivity is not imp
- Page 31 and 32: [ The heated perimeter of the steel
- Page 33 and 34: The advantages of board systems are
- Page 35 and 36: The values for the thermal properti
- Page 37 and 38: insulation has on the rise of the s
- Page 39 and 40: ( T − T ) k H p f s ∆t ∆T
- Page 41 and 42: spreadsheet method very closely, wi
- Page 43 and 44: protection, and for user defined fi
- Page 45 and 46: This equation originates from the y
- Page 47 and 48: 1400 1200 1000 800 600 400 200 0 0.
- Page 49 and 50: time. The value of the wall lining
- Page 51 and 52: The Eurocode does not define a meth
- Page 53 and 54: f f y y ( T ) (20) = 1.0 0 < T < 21
- Page 55 and 56: temperature is chosen because it is
- Page 57 and 58: The variation of yield stress data
- Page 59 and 60: 15 m -1 < H p /A < 275 m -1 in NZS
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= H p A (m -1 ) 7.85 The cons
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Connections: NZS 3404 requires that
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4 CALCULATION OF STEEL TEMPERATURES
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4.1.2 Analysis Between Methods of T
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Figure 4.2 shows the variation of t
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Minimum temperatures Maximum temper
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For all three sizes of beam, the sp
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Temperature ( o C) 1200 1000 800 60
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The ECCS equation has a time period
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4.3.1 Results from simulations with
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From Figure 4.5 a-c, the formula ra
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Temperature ( o C) 1000 800 600 400
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average temperature of the beam, be
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Temperature ( o C) 1400 1200 1000 8
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significantly decreased from a cool
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Since both programmes use the same
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Therefore, the ECCS equations provi
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5 CALCULATION OF STEEL TEMPERATURES
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calculations made by the spreadshee
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susceptible to heating, heat up mor
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Figure 5.3 a-c show the results fro
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7850*600*10500 > 2*775*1100*(1869*2
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As can be seen from Figure 5.4 a-c,
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310 UB 40.4 beam H p /A = 241 m -1
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The SAFIR results fit between the t
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constant specific heat being used i
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From Figure 5.7 a-c, it appears tha
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800 Temperature ( o C) 600 400 200
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To examine the limits of the thickn
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1000 Temperature ( o C) 800 600 400
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Thermal conductivity, k i = 0.19 W/
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1000 Temperature ( o C) 800 600 400
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the slab except to reduce the secti
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Figure 5.14 shows the correlation b
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5.8 CONCLUSIONS: The thermal behavi
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6 COMPARISON OF METHODS USING OTHER
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Temperature ( o C) 1200 1000 800 60
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6.2.4 Results for protected steel:
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Figures 6.2 b shows the comparison
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Figure 6.3 a shows that the average
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The fire that the test beams were e
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7 ADDITIONAL MATERIAL IN EUROCODE 3
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For thermal analysis in Eurocode 3,
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To determine the performance of a s
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The plastic neutral axis is located
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It is therefore recommended that th
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These methods may be used to provid
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Eurocode has a large annex with gui
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8.3 CHANGES TO NZS 3404: The follow
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H v height of the ventilation (m) I
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EC3, 1995. Eurocode 3: Design of St
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Temperature Conditions. National Re
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APPENDIX A - SPREADSHEET METHOD: Be
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APPENDIX B - SAFIR: In Figure B.2 i
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*.str file developed by the pre pro
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22 FISO 23 FISO FISO 24 FISO FISO 2
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APPENDIX C - FIRECALC Below in Figu