MODULE 4 HEAVY TIMBER FRAME CONSTRUCTION
QUESTIONS AND RIGHT ANSWERS .
traditional,heavy,timber,framing,ANS,-
post,and,beam,structural,system,made,form,large,dimension,wood,members,and,hand,hewn,joints
Contemporary,heavy,timber,framing,ANS,-glulam,and,other,wood,products
fabricated,metal,connectors
Mass,timber,ANS,-
wood,structural,systems,relying,on,large,format,loadbearing,wood,panels,,such,as,CLT,and,NLT
Heavy,Timber,Building,codes,ANS,-TYPE,IV-HT
minimum,size,requirements,ANS,-
exterior,walls,must,be,noncombustible,limited,to,no,more,than,6,stories,in,height
applied,fire,protection,ANS,-
Gypsum,wallboard,or,other,fire,protective,material,over,wood,components,and,connections
Type,IV-A,fire,resistance,ANS,-primary,frame:,3,hours
Floors:,2,hours
applied,fired,protections,must,provide,at,least,2/3,of,the,required,fire,resistance
maximum,height,-,18,stories,(270,ft)
Type,IV,-,B,Fire,resistance,ANS,-primary,frame:,2,hrs
floors:,2,hrs
applied,fire,protection,must,provide,at,least,2/3,of,the,required,fire,fire,resistance,,except,limited,areas,m
a,rely,soly,on,the,fire-resistance,of,the,wood,members
Maximum,height,-,12,stories,(180ft)
, Type,IV-,C,fire,restance,ANS,-frame:,2,hrs
floors:,2,hrs
most,areas,may,rely,solely,on,the,fire,resistance,of,the,wood,members
max,height:,9,stories,(85ft)
resistance,to,fire,ANS,-large,wood,members,have,greater,resistance,to,fire,than,unprotected,steel
large,timbers,are,slo,to,absorb,heat,,slow,to,catch,fire,,and,slow,to,burn
steel,,due,to,its,high,thermal,conductivity,,quickl,heats,up,and,loses,strength,during,fires
Encapsulation,ANS,-
applied,materials,protect,and,insulate,the,beam,from,fire,for,as,long,as,these,materials,reamain,intact
charring,and,encapsulation,may,also,be,in,combination
mill,construction,ANS,-standardized,in,New,England,in,the,1830's,to,reduce,fire
precursor,to,todays,type,IV-HT,Construction:,heavy,timber,framing,within,noncombustible,exterior,walls
wood,columb,beam,connections,are,designed,so,that,column,height,is,not,reduced,as,beams,or,girders,sh
rink,in,cross,section,(dont,rest,columns,on,beams)
Heavy,timber,connections,ANS,-
avoid,loadbearing,fasteners,and,instead,rely,on,direct,bearing,between,members
allow,for,wood,shrinkage
avoid,horizontal,wood,members,in,the,vertical,load,path,(dont,resist,columns,on,beams,or,girders)
QUESTIONS AND RIGHT ANSWERS .
traditional,heavy,timber,framing,ANS,-
post,and,beam,structural,system,made,form,large,dimension,wood,members,and,hand,hewn,joints
Contemporary,heavy,timber,framing,ANS,-glulam,and,other,wood,products
fabricated,metal,connectors
Mass,timber,ANS,-
wood,structural,systems,relying,on,large,format,loadbearing,wood,panels,,such,as,CLT,and,NLT
Heavy,Timber,Building,codes,ANS,-TYPE,IV-HT
minimum,size,requirements,ANS,-
exterior,walls,must,be,noncombustible,limited,to,no,more,than,6,stories,in,height
applied,fire,protection,ANS,-
Gypsum,wallboard,or,other,fire,protective,material,over,wood,components,and,connections
Type,IV-A,fire,resistance,ANS,-primary,frame:,3,hours
Floors:,2,hours
applied,fired,protections,must,provide,at,least,2/3,of,the,required,fire,resistance
maximum,height,-,18,stories,(270,ft)
Type,IV,-,B,Fire,resistance,ANS,-primary,frame:,2,hrs
floors:,2,hrs
applied,fire,protection,must,provide,at,least,2/3,of,the,required,fire,fire,resistance,,except,limited,areas,m
a,rely,soly,on,the,fire-resistance,of,the,wood,members
Maximum,height,-,12,stories,(180ft)
, Type,IV-,C,fire,restance,ANS,-frame:,2,hrs
floors:,2,hrs
most,areas,may,rely,solely,on,the,fire,resistance,of,the,wood,members
max,height:,9,stories,(85ft)
resistance,to,fire,ANS,-large,wood,members,have,greater,resistance,to,fire,than,unprotected,steel
large,timbers,are,slo,to,absorb,heat,,slow,to,catch,fire,,and,slow,to,burn
steel,,due,to,its,high,thermal,conductivity,,quickl,heats,up,and,loses,strength,during,fires
Encapsulation,ANS,-
applied,materials,protect,and,insulate,the,beam,from,fire,for,as,long,as,these,materials,reamain,intact
charring,and,encapsulation,may,also,be,in,combination
mill,construction,ANS,-standardized,in,New,England,in,the,1830's,to,reduce,fire
precursor,to,todays,type,IV-HT,Construction:,heavy,timber,framing,within,noncombustible,exterior,walls
wood,columb,beam,connections,are,designed,so,that,column,height,is,not,reduced,as,beams,or,girders,sh
rink,in,cross,section,(dont,rest,columns,on,beams)
Heavy,timber,connections,ANS,-
avoid,loadbearing,fasteners,and,instead,rely,on,direct,bearing,between,members
allow,for,wood,shrinkage
avoid,horizontal,wood,members,in,the,vertical,load,path,(dont,resist,columns,on,beams,or,girders)
