Solutions for Fire Resistance of Steel Structures in Vietnam
Transcript of Solutions for Fire Resistance of Steel Structures in Vietnam
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8/13/2019 Solutions for Fire Resistance of Steel Structures in Vietnam
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Tokyo University of ScienceNational University of Civil Engineering
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Solutions for fire resistance of
steel structures in Vietnam
Tokyo, 10/2011
Group 3: V.A. Tuan, P.T.N. Thu, P.H. Hau, N.L. Binh, B.V. Doan
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Solutions for fire resistance of steel structures in Vietnam
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Nidung cbn- Contents
Phmvi p dngktcuthp
Scope of application of steel structures
Slm viccavtliuthp khi chunhitcao
Behavior of steel structures in fire
Cc giiphp bovcukinthp
Solutions for fire resistance of steel structures
Ktlun
Summary
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Scope of application Behavior of steel structures Solutions for fire resistance Summary
Bauhaus-Universitt WeimarProfessur Stahlbau
M. Eng. Vu Anh Tuan 3/28Trng i hc Xy dngB mn My Xy dng
PGS. TS. V Lim Chnh 3/11
Solutions for fire resistance of steel structures in Vietnam
Tokyo University of ScienceNational University of Civil Engineering
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Cng trnh cng nghip: nh xng,nh kho... - Low-rise buildings
Hongnam Mechanical J.S.C. VISCO steel factory
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Scope of application Behavior of steel structures Solutions for fire resistance Summary
Bauhaus-Universitt WeimarProfessur Stahlbau
M. Eng. Vu Anh Tuan 4/28Trng i hc Xy dngB mn My Xy dng
PGS. TS. V Lim Chnh 4/11
Solutions for fire resistance of steel structures in Vietnam
Tokyo University of ScienceNational University of Civil Engineering
4/16
Cng trnh cng cng- Public buildings
Ha Noi Museum Tan Son Nhat Int. Airport
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Scope of application Behavior of steel structures Solutions for fire resistance Summary
Bauhaus-Universitt WeimarProfessur Stahlbau
M. Eng. Vu Anh Tuan 5/28Trng i hc Xy dngB mn My Xy dng
PGS. TS. V Lim Chnh 5/11
Solutions for fire resistance of steel structures in Vietnam
Tokyo University of ScienceNational University of Civil Engineering
5/16
Cng trnh cao tng- High-rise buildings
Vietin Bank Tower - 363m - 68 floors Bitexco Finacial Tower - 262.5m - 68 floors
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Solutions for fire resistance of steel structures in Vietnam
Tokyo University of ScienceNational University of Civil Engineering
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Scope of application Behavior of steel structures Solutions for fire resistance Summary
Hssuy gimngsut-bindngcathp nhitcaoReduction factors for the stress-strain relationship of steel at elevatedtemperatures
Nhit %fy
0-400oC 100
400-600oC 70
600-800oC 10
> 800oC < 6
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Solutions for fire resistance of steel structures in Vietnam
Tokyo University of ScienceNational University of Civil Engineering
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Scope of application Behavior of steel structures Solutions for fire resistance Summary
Buckling of purlin in roofTan Son Nhat Int. Airport
(2008)
Collapse of buildingASC Charwie Factory
(2008)
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Solutions for fire resistance of steel structures in Vietnam
Tokyo University of ScienceNational University of Civil Engineering
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Scope of application Behavior of steel structures Solutions for fire resistance Summary
Nhitmchy thng thnglnhn8000C, ktcuthp mtkhnngchulc. Mcchcavicthitkphng chngchy cho cc cu
kinthp l duy tr bncahktcutrong khongthigian conngithot ra an ton khicng trnh, nhmgimthiutiathithivngi.VitNam, tiu chunara 5 cpchulakhc nhau, phthucvo thigian chulacacc cukinchulcchnh
Temperature of fire usually greater than 8000C, steel structures lose thebaring capacity. The purpose of steel structural fire design fire is tomaintain the durability of structure for people to escape safely frombuilding in order to minimize the damage of people.
In Vietnam, the design norm offers five different level, depending on fireresistance of main members of structure.
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Solutions for fire resistance of steel structures in Vietnam
Tokyo University of ScienceNational University of Civil Engineering
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Scope of application Behavior of steel structures Solutions for fire resistance Summary
Type offireresisting
Fire resistance limits (minute)Column,beam,
shear-wallSub-structures
Non-resistance
Wall
Partitionwall Slab
I 150 60 30 30 60
II 120 60 15 15 45
III 120 60 15 15 45
IV 30 15 15 15 15
V N/A
Ngun: TCVN 2622-1995 Phng chy cho nh v cng trnh - Yu cuthitk.
(TCVN 2622-1995 Fire prevention and protection for building and structures - Design norm.)
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Solutions for fire resistance of steel structures in Vietnam
Tokyo University of ScienceNational University of Civil Engineering
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Scope of application Behavior of steel structures Solutions for fire resistance Summary
Tmtngcch nhit
Conventional insulating brick wall
Bcb tng ctthpReinforced concrete-encased
Thchcao chngchyFire protection gypsum board covered
Phun hpchtv cCanxi sunphat (Vermiplaster)Sprayed fine-grain powder mortar industrially
manufactured from a base of calcium sulphate
Phun snchunhitSprayed intumescent coating
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Solutions for fire resistance of steel structures in Vietnam
Tokyo University of ScienceNational University of Civil Engineering
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Scope of application Behavior of steel structures Solutions for fire resistance Summary
Bcb tng ctthp - Reinforced concrete-encased
Chmtctngnhittrong ktcuthp, tuy nhin lm tngtrnglngktcuSlow down the heating in steel structure but increase the weight ofstructure
20thstoreysteel building
in Hanoi
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Solutions for fire resistance of steel structures in Vietnam
Tokyo University of ScienceNational University of Civil Engineering
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Scope of application Behavior of steel structures Solutions for fire resistance Summary
Thchcao chngchyFire protection gypsum board covered
Ha Noi Museum
Khnnghpthnhittt,c tnh thmm,gi thnh trung bnh.Ability to absorb heat, aesthetic, average cost.
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Solutions for fire resistance of steel structures in Vietnam
Tokyo University of ScienceNational University of Civil Engineering
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Scope of application Behavior of steel structures Solutions for fire resistance Summary
Phun hpchtv cCanxi sunphat (Vermiplaster)Sprayed fine-grain powder mortar industrially manufactured froma base of calcium sulphate
Trnglngnh,khng chy, dnnhitkm. Gi thnh cao.Light weight, non-combustible, poor conductor of heat. High cost.
Bitexco Finacial Tower
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Solutions for fire resistance of steel structures in Vietnam
Tokyo University of ScienceNational University of Civil Engineering
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Scope of application Behavior of steel structures Solutions for fire resistance Summary
Phun snchunhitSprayed intumescent coating
nhitthng l lphon thincho ktcu. Khi nhittngn strngnc khnngngncch ngunnhitnktcu. Githnh cao.
At room temperature, intumescent coating is finishing layer forstructure. When exposed to a fire, it expands significantly inthickness, prevents structure from fire. Highest cost.
l i f fi i f l i i
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Solutions for fire resistance of steel structures in Vietnam
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Scope of application Behavior of steel structures Solutions for fire resistance Summary
Ktcuthp chulcrtkm nhitcao.
Steel structures lose the baring capacity at high temperature.
S lng cng trnh thp ngy cng nhiu, v vyvic thitkchngchy cncquan tm cbit.
The number of steel buildings increasingly high, so the design offire resistance should be particular interest.
Thng k mt s cc giiphp bovkt cu, tuy nhin victhitktheo cc giiphp ny cn kh mimVitNam.
List some solutions for raising fire resistance of steel structure,but the design of this solution is rather new in Vietnam.
S l i f fi i f l i Vi
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Solutions for fire resistance of steel structures in Vietnam
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Thank you for your kind attention !