-
7/29/2019 Transverse Frame Analysis
1/6
l.
TRANSVERSE FRAME AI\ALISYS
STRUCTURAL LAYOUT- See the transverse section (cross-section of
the building).
STRUCTURAL CONFIGURATION AND LOADING- Single storey sway
frame2.l,l0? latEral support, =,vBrtj,cd bfacingbetween tws
Dolur.TflS' .of : the longitr.roiRal: fram,E
wlnd sucti0nlnd pressure
-
7/29/2019 Transverse Frame Analysis
2/6
3. LOADS" LOAD FACTORS, LOAD COMBINATIONS
Earthquake (|Jormativ P 1 00-92)Sersmrc Force :
LoadsNominalLoadIrN/m2]
FactorofSafety
FactoredLoadtKN/m1
DeadLoads(P)
+ Roofweight:.....-hy dro-insulation (tar roofi ng)-thermal
insulation (mineral wool)-corrugated sheet4 Purlin weight:* Truss
weisht:.
0.45...0.50
0.10...0.150.15
1.35
1.351.35
PermanentLoads(c)+ Industrial dust:....Technological Ioad
0.250.20 1.351.35
VariableLoads(V)(environmentalioads)
Snow: :CeXCtX|lXwhere:Ss1 : grourrd snow load (as is shown
inground snow load map)ce: exposure factor (to account for
windeffects); c": 1.00 fornormal conditionsof exposure.ct: therml
factor; ct: 1.00
Wind pr=C"xCnxEref- Pressure cofficientscn: * 0'8 wind
Pressure
c o: - 0.3 wind suction- Velocity pressure exposure
cofficienlc-: iosk m ljI_Q_E2-04;- .4*: the basic wind veiocity
pressure(to 10m above the ground), see theproject data.
1.s0
1.50
G is the total weight of building as follows :
-
7/29/2019 Transverse Frame Analysis
3/6
. dead loads. pefinanenl ioadso snow (y "*pr);I| (nomrnalloads)y
":0.40 )F, *a,Cr=d q (global seismic factor)
a =7.0O is the Importance factor.for normal buildings;a r ts
tl;re grormd acceleration according to seismic risk zones (on the
map);
rr:o2\ dno ts l':''oA 1 UNtrno: "-. _ : rrr {ClTl l. JEI
.t'l
.i...rr:, .$e,,11,'. ' I r
li-l- . : l /. lr.4i-?,l/ :rnl$: ./$)d; =" dns
F,=2.75 if T"
-
7/29/2019 Transverse Frame Analysis
4/6
Blmlum:?)',1,,',,,,,,:::-:,1,,,'l.,.,'l',,1" ", "
A;n(,fcr
t:: .1..:.:::::t:l:rI
Of^,=C'xA,-\L ) UJJ .Oi-r=Cn xA.-tg/4x
= p* xt -+ p", = p, *y,= P. xt + p: = P,xTp
Snow (Z) :Z" = Tp x pzxAq, tKN]Z" =T,x P,xAor. tKN]4. Wind (W)
:
= 1.60 x 0.80 x c r(z)x g,=1.60x0.40 xcr(z)x g*
tKN]tKN]
OroctI
P,p;
4p; IKN/ml;IKN/ml;
DETERMINATION OF THE LOADS AND MOMENT DISTRIBUTION''.i.
Permanent (P): ", : :: ,, :Q(rl = P" x Aou. tKNlQ(rl= r" xAor
tKNlt4of : t x L / 2
2. Cvasipermanent (C) :
L, I:nIIQ\Imz I pressure[KNlmz ] suction
W = pr,ou"rog, x1.35x t -+W" =W xTp tKN]W'= p'r,*"*snxl.35x t
-+W" -W'xTp IKN]
-
7/29/2019 Transverse Frame Analysis
5/6
Calculation of bending moment distribution
This frame is indeterminate to thefirst degree; it is a sidesway
frame(oint translation is possible).
sep 2Moment induceddue to jointtrenslation
HHHHEHHHF;
step 1Moment inducedif sidesway isprevented
M'r= rt"+h2M''= Pt"'"i
DM'= Lx h2
5. Seismic Force (S) :
a_a_R=W" +W'" +r-x p:" x& + i, p''. *h
-> WWMlffi^ = M'n+.
M =!^h2
Mr (
-
7/29/2019 Transverse Frame Analysis
6/6
Results of calculation:After finishing all the calculations, the
results will be centraltzedin the follor,ving table forboth
sections 1 -1 and 2 - 2 of the column.
(The nominal load for snow is considered for the earthquake
combination - 0.30 x p,)
Columnsketch Section EffortsPermanent Loads(Pr)
QuasipermanentLoads (Cr) Snow(z)
Factored Nominal Factored Nominal Factored Nominal0 I 2 J 4 5 6
7 8
l-1M&Nm)N
ftN)T(kN)
aaM(kNm)NftN)T&N)
Wind(w) Eartquake(s) Relevant Load CombinationsI n.lx Pi+ I nix
C;* nex I nix Vi3 5 7+9 I P1+ I Ci+ y"xZ + S46810Factored S=crxG
M-u*N"^, N-u*M"^. M-"*N-io M-u"N"o. N-oM"^" M*ur.N-;.
9 i0 l1 I2 l3 l4 15 76
