Latticed Tower Design Investigation
Transcript of Latticed Tower Design Investigation
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 1/57
STRUCTURALINVESTIGATIONREPORT
SiteNo.: SiteName: Site Address: Project Name:
REVISION 1
PreparedBy:
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 2/57
1 1
1
1
1
1
1
2 2
2
2
2
2
2
3 33
3
3
4 5
CRITERIA
.1 Impo
.2 Expos
.3 Wind
.4 Desig
.5 Mater
.6 Codes
INVESTIG
.1 Intro
.2 Scope
.3 Towe
.4 Resul
.5 Concl
.6 Surve
DESIGNC
.1
Calcul.2 EXIST
33..22..11 S
33..22..22 S
.3 EXIST
33..33..11 S
33..33..22 S
.4 ANCH
DRAWING
STRUCTU
/DESIGNS
tanceFact
ureCatego
Speed/Wi
Consider
ialStrengt
AndRefe
TIONREP
uction .......ofWork ....Descriptio
sAndFin
sionsand
Photo ......MPUTATI
ationsofWINGTOWE
TAADInpu
TAADResu
INGW/AD
TAADInpu
TAADResu
ORBOLTS
S .................ALCERTIF
TA
ECIFICATI
r ................ry/WindS
dPressure
tions .......... ..................
ences..........
RT .................................
....................
ns ...............ings ...........ecommen
....................
NS ..............indForces
.. ..................
...................tAnalysis:
DITIONAL
...................tAnalysys:
NDBASE
....................
ICATION .....
2
LEOFCO
ONS ...............................
eed‐up ...... ......................................
...................
...................
...................
...................
...................
...................
...................
ations ...........................
...................
...................
...................
...................
Existing ......5MHEIGH
...................
4.5MHeig
LATE ...........................
...................
Structur
TENTS
....................
....................
....................
....................
....................
....................
....................
....................
....................
....................
....................
....................
....................
....................
....................
....................
....................
....................
....................
T+PROPO
....................
htPlusPro
....................
....................
....................
lInvestigaExis
...................
...................
...................
...................
...................
...................
...................
...................
...................
...................
...................
...................
...................
...................
...................
...................
...................
...................
...................
EDLOAD..
...................
osed .............................
...................
...................
tionDesiging48M4Le
...................
...................
...................
...................
...................
...................
...................
...................
...................
...................
...................
...................
...................
...................
...................
...................
...................
...................
...................
...................
...................
...................
...................
...................
...................
Report ggedSST
........... 3
........... 3
........... 3
........... 3
........... 4
........... 4
........... 4
........... 5
........... 5
........... 5
........... 5
........... 5
........... 6
........... 7
......... 11
......... 11
......... 19 ......... 19 ......... 26 ......... 33 ......... 33 ......... 42 ......... 55 ......... 56 ......... 57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 3/57
1
1.1
1.2
1.3
CRITE
Forthe
antenn
6thEdi
andap
TheDe
softwar
IMPOR
The I
commu
Catego
EXPOS Site __
approxi
with sc
Factor,
as:
Where
WIND
Site ___
Table
Philipp
The velNSCPe
Where:
IA/DESIG
structural
tower,the
ionwereu
urtenance
ignandan
efromRes
TANCEFA
portance
nicationfa
y,thevalue
RECATE
_____________
mately150
attered ob
forabove
K zt =(1+K
K1,K2and
PEED/WI
_____________
07‐1 of th
neswhere
ocity pressuation207
Qz=47.3
K z=veloci
K zt =topog
K d=Wind
V=basicw
Iw=Import
NSPECIFIC
nvestigatio
provisions
sedincom.
lysisofthe
archEngin
TOR
Factor wil
ilitieswhic
ofthesam
ORY /WIN
_ is situat
‐meterabo
tructions,
entionede
1xK2xK3)2
K3aregive
NDPRESSU
______ islo
e NSCP, si
hebasicwi
ure, qz eva‐1:
10‐6K zK d
tyexposure
raphicfacto
irectionali
indspeed,
anceFactor
3
ATIONS
n,analysis
oftheNati
utingthe
towerwer
ersandcu
be in a
hfallunde
istakenas
DSPEED‐U
d in a lot
vefromlo
xposure C
carpment,
inFigure
RE
atedinBo
e is withi
ndspeed,V
luated at a
zt V2Iw
coefficient
r
yfactor
ph
Structur
anddesign
onalStruc
indforces
performe
tomizedel
cordance
theEssen
,Iw=1.15.
P
with escar
algroundl
tegory C i
shallbetak
07‐2ofthe
ntoc, Moun
Zone II
is200kph.
ny given h
evaluateda
lInvestigaExis
oftheself‐
uralCode
hatacton
usingSTA
ctronicsp
with the
ialFaciliti
pment. T
evel.Forsi
considere
enasK zt =
NSCP,Refe
ainProvin
f the Win
ight shall
theightz(
tionDesiging48M4Le
upporting
of thePhil
hetower,
DPro200
eadsheets
NSCP whe
sintheOc
e Site ele
tesonope
. The Top
1.20andc
rto3.1for
ce.Accor
Zone Ma
be calculat
SCPTable
Report ggedSST
‐legged
ippines,
ntennas
edition
ftware.
ein for
cupancy
ation is
terrain
graphic
mputed
alues.
ingly in
of the
d using
207‐2)
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 4/57
1.4
1.5
1.6
DESIG
Inthe
design
1.4.1A
MATE
Materi
internastrengt
Concret compre
interm
CODES
CONSIDE
nalysis/de
akeintoco
tennaLoa
BasedonS
antennalo
ForSelfSu
highestfea
IALSTRE
l strength
ionally re.
All
Mi
Str
240
Str
Anc
yiel
ecompresssive stre
diategrad
ANDREF
NationalSt
AISC Steel CAISC LRFD “
ATIONS
ignofthe
sideration
s
ARTcrite
ds:
3Units
3Units
3Units
3Units
3Units
3Units
6Units
portTowe
iblelocatio
GTH
used for
ognized s
teelpipea
imumYield
cturalStee
MPa.
cturalCon
horBoltsa
dstrength
ivestrengt gth of 21
withmini
RENCES
ucturalCo
onstruction Load and Re
4
owerwhic
forthepro
ia,thetow
GSM900
GSM1800
3G2100
3G850
WiMax
LTE
Canopy(Br
,2unitsof
nshallbec
structural
andards a
sumedtoc
Stressof2
Plateassu
ectionBolt
sumedtoc
f414MPa.
ofreinforMPa. Rei
umcompr
eofthePh
Manual, 13tsistance Fac
Structur
inadditio
osedexpa
rshallbea
o)
3mdiamet
nsiderinc
steel ass
nd have t
onformto
0MPa.
edtohave
sassumedt
onformto
edconcret nforcing st
ssivestren
lippines,Vh Edition tor Design”
lInvestigaExis
ntotheex
sion,thefo
alyzewith
rmicrowa
aseforretr
med to
he followi
STMA53G
minimum
oconform
STMA572
foundatioeel bars a
gthof275
l.16thEditi
ol. 1, 3nd e
tionDesiging48M4Le
istingante
llowing:
thefollowi
eantennas
fittingdesi
ave comp
g minimu
radewith
ieldsstre
oASTMA3
ithminim
assumedt so assume
Pa.
on,2001
ition
Report ggedSST
nas,the
g
at
gn.
ly with
m yield
gthof
25
m
ohavead to be
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 5/57
2
2.1
2.2
2.3
2.4
INVES INTRO
Thisre
meterf
on gro
telecom
Expans
For thi
structu
SCOPE
Belowl
2.2.1 C
in
w
an
2.2.2P
2.2.3P
2.2.4P
2.2.5P
2.2.6P
TOWE Theexi
mounte
7.0met
tower i
consist
steelsp
andste
Theto
installe
installe
RESUL
2.4.1
IGATIONR
UCTION
ortsumm
ourlegged
und level.
municatio
onProject,
s reason, a
alintegrity
OFWORK
istofactivi
onduct fiel
pection en
rks. Cond
ennaload.
eparestru
eparestru
epareretr
eparetow
eparetow
DESCRIP
stingthree‐
donanin
ersattheb
s vertical f
ofx‐braci
aceframec
langlefor
erstructur
d microwa
dallthroug
S ANDFI
ExistingTo
EPORT
rizesthes
elfsupport
The tow
santennas
theaforesa
structural
ofthetow
yconducte
d investig
ineers and
ucted dim
turaldesig
turaldesig
fittingdesi
ras‐builtd
rretrofitti
IONS
leggedself
ividualrei
aseto2.50
or the upp
gsystemfo
omposedof
thehorizon
eisloaded
e antenna
‐outofthe
DINGS
werPlusEx
5
ructurale
ingtower
er is a la
areinstalle
idtowersh
investigati
rtosuppor
d:
tion and
riggers co
nsioning t
oftowerb
basedon
niftower
rawing.
gdrawingi
supporting
forcedcon
metersat4
r topmost
rtheentire
pipesectio
albraces.
ithBTSp
is 2.0‐me
towerheig
istingAnte
Structur
gineeringi
ountedon
ticed steel
d.Inview
allbeutiliz
on is bein
ttheadditi
cular insp
nducted to
wer mem
asedonexi
xistingloa
sfoundina
frequired.
towerhas
cretepedes
2‐meterhei
6.0 meter
tower.Th
nforallthe
nelsandm
er. Cable
t.
naLoads
lInvestigaExis
vestigatio
areinforce
structure
f__________
dtocarry
conducte
nalloads.
ection of
er inspec
ers, mem
stingloads.
andpropo
dequate.
totalheig
tals.Ithas
ghtfromt
. The stru
structurei
towerlegs
crowavea
ladder an
tionDesiging48M4Le
oftheexi
dconcrete
on which
_____________
dditionala
to deter
he existin
ion and as
er connect
sedantenn
tof48me
atapering
ebase.Th
cture confi
smadeofst
anddiagon
tennas.Th
man ladd
Report ggedSST
ting48‐
pedestal
several
_________.
ntennas.
ine the
tower.
builting
ion and
loads.
tersand
idthof
nce,the
guration
ructural
lbraces
elargest
er were
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 6/57
2.5
Oct
2.4.2
CONCL CONCL
SATISF
describ RECOM
undersi
describ
ber10,201
Theexistin
intheSTA
allowabler
ExistingTo
The existi
metersto
and 51‐me
allowabler
.
SIONS AN
SION:Bas
ES the AI
edinparag
MENDATIO
gnedreco
edbelows
Inspectall
Allconnect
cannotbet
gtoweris
Danalysis
atioof1.0
werwithP
g tower is
ountthep
ers respec
atioof1.0
RECOMM
ed from t
C LRFD S
aph2.4ab
N:Althoug
mends,pri
allbeunde
onnections
ionboltss
ghteneddu
6
DEQUATE
results.T
hichisthe
oposedAd
ADEQUAT
roposed2
ively. The
hichisthe
ENDATION
e results
RESS CRI
ve.
thetowe
rtothein
taken:
,boltsand
allberetig
etocorrosi
Structur
tosupport
emaximu
stresscrite
itional4.5
E to suppo
nitsof3.2
maximum
stresscrite
S
of the cal
ERIA in b
members
tallationof
utsthatar
htenedtos
on,damage
lInvestigaExis
tspresent
stressrati
rionforstr
Heightan
rt an addi
diameter
stress rati
rionforstr
culations,
th the tw
donotreq
theadditio
missings
nug‐fit,rep
dthreads&
tionDesiging48M4Le
oadingasi
oof0.685i
cturalade
dAntenna
ional heig
MWatelev
of0.963i
cturalade
he existin
o loading
ireretrofit
alantenna
ouldberep
lacebolts/
thelikes;
Report ggedSST
dicated
swithin
uacy.
oads
t of 4.5
ation39
s within
uacy
tower
atterns,
ting,the
s,works
laced.
utsthat
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 7/57
2.6
SURVE
Tower
BasePlat
PHOTO
sometricVi
eandAnch
ew
rBolt
7
Structur
To
Base
lInvestigaExis
werElevati
late&Anc
tionDesiging48M4Le
onatAnte
orBolt
Report ggedSST
nas
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 8/57
Measur
easuringo
TowerLeg
ingofAnch
fTowerLe
andDiago
rBolt
Section
al
8
Structur
Measu
Meas
lInvestigaExis
ringofCon
uringofSti
MWAnten
tionDesiging48M4Le
ectionBolt
fenerPlate
nas
Report ggedSST
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 9/57
1.2MM
Towe
Diagonal
Antenna
rlegConne
embercon
ction
nection
9
Structur
lInvestigaExis
Tower
MemberC
MWAnt
tionDesiging48M4Le
iagonal
nnection
nna
Report ggedSST
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 10/57
MWAn
Topo
Showing4
enna
ftower
eggedtow
r
10
Structur
lInvestigaExis
BTSAnt
Anten
SitePhot
tionDesiging48M4Le
enna
aCable
o
Report ggedSST
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 11/57
3 DESI
3.1 CALC
PanelNo.]
Range,M1]0~6.0
2]6.0~12.0
3]12.0~18.0
4]18.0~24.0
5]24.0~30.0
6]30.0~36.0
7]36.0~42.0
8]42.0~48.0 II]DesignWind
1.WindSpeed(
2.ImportanceF
3.ExposureCate
4.Towerheight
5.Forcecoeffici
Cf =4.0ε2‐5
ReductionF
6.Siteisawayfr
SiteTopograp
7.GustEffectFa
8.WindDirectio
9.VelocityPressKz=2.0
NCOMPUTATI
ULATIONSOF
LegSpread
Base Top7.00 6.36
6.36 5.71
5.71 5.07
5.07 4.43
4.43 3.79
3.79 3.14
3.14 2.50
2.50 2.50
Data
ph)
ctor,Iw
gory
on0.5‐mpedestal,h
ntforTrussedTow
.9ε+4.0(Squarec
actorfortowerwith
omhillsorescarpm
yFactor,Kzt
ctor,Gf
nalityFactor,Kd
ure,qz=47.3x10‐6
1(z/zg)2/a
NS
INDFORCES:E
HeightGross
Area6.00 40.07
6.00 36.22
6.00 32.36
6.00 28.50
6.00 24.64
6.00 20.78
6.00 16.93
6.00 15.00
(m)
ers,Cf
rosssection)
roundedmembers
entbyatleast1km
K1=0.26 K2
zKztKdV2
Iw(kPag= 275
XISTING
TowerLeg
Width ΣLeng0.324 12.00
0.273 12.00
0.273 12.00
0.273 12.00
0.219 12.00
0.168 12.00
0.141 12.00
0.114 12.00
Rf=0.51ε2+0.57>
=0.50 K3=0.73
)a= 9.5
11
Mainhorizo
h Width ΣLe 0.063 6.6
0.063 6.0
0.063 5.3
0.063 4.7
0.050 4.1
0.050 3.
0.050 5.6
0.050 7.5
200
1.15
C
48.50
1.00
1.2
0.85
0.85
tal Maindiag
gth Width ΣL8 0.102 1
4 0.102 1
9 0.102 1
5 0.102 1
1 0.089 1
6 0.089 1
4 0.073 1
0 0.073 1
Wind +
Wind +X
Wind +
Stru
onal Sec.h
ength Width7.96
7.02
6.13
5.31
.54
3.86
6.48
5.63
+Z
‐ Z
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 12/57
III]Calculation
PanelNo.]
Range,M
1]0~6.0
2]6.0~12.0
3]12.0~18.0
4]18.0~24.0
5]24.0~30.0
6]30.0~36.0
7]36.0~42.0
8]42.0~48.0
IV]TowerMe
Designwin
Forceinto
PanelNo.]Range,M
1]0~6.0
2]6.0~12.0
3]12.0~18.0
4]18.0~24.0
5]24.0~30.0
6]30.0~36.0
7]36.0~42.0
8]42.0~48.0
ofVelocityPressur
z
3.50 0.
9.50 0.
15.50 1.
21.50 1.
57.00 1.
33.50 1.
41.00 1.
45.00 1.
berWindForce@
pressure,p=qzG
ermember,F=pC
qz
2.219 0.8
2.584 0.8
2.864 0.8
3.069 0.8
3.768 0.8
3.369 0.8
3.515 0.8
3.515 0.8
,SolidityandForce
z qz So
5 2.219
9 2.584
0 2.864
8 3.069
4 3.768
9 3.369
5 3.515
8 3.515
indNormal
(kPa)
RfAf (kN/m)
f p
50 1.886
50 2.196
50 2.435
50 2.608
50 3.203
50 2.864
50 2.988
50 2.988
Coefficient
lidarea Grossare
6.14 40.07
5.39 36.22
5.26 32.36
5.14 28.50
4.13 24.64
3.42 20.78
3.18 16.93
2.88 15.00
TowerLegAf F
.324 0.964
.273 0.951
.273 1.037
.273 1.089
.219 1.088
.168 0.749
.141 0.639
.114 0.514
12
a e
0.153 3.
0.149 3.
0.163 3.
0.180 3.
0.168 3.
0.165 3.
0.188 3.
0.192 3.
Af =widthofto
MainHorizoAf
0.063 0.
0.063 0.
0.063 0.
0.063 0.
0.050 0.
0.050 0.
0.050 0.
0.050 0.
Cf Rf
90 0.582
10 0.581
46 0.583
67 0.587
24 0.584
37 0.584
33 0.588
13 0.589
wermemberinmet
tal MainDiF Af
88 0.102
19 0.102
39 0.102
51 0.102
48 0.089
23 0.089
27 0.073
25 0.073
Stru
1+0.75e
1.115
1.112
1.122
1.135
1.126
1.123
1.141
1.144
er
gonal SF A
0.304
0.355
0.388
0.407
0.442
0.397
0.331
0.329
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 13/57
V]TowerMemb
Designwind
Forceintow
PanelNo.]Ran
M
1]0~6.0
2]6.0~12.0
3]12.0~18.0
4]18.0~24.0
5]24.0~30.0
6]30.0~36.0
7]36.0~42.0
8]42.0~48.0
VI.CableLadde
CableLadderW
AccessLadder
Co‐AxialCable
Weightperlinea
Ele
Bottom
0.000
6.000
12.000
18.000
24.000
30.000
36.000
42.000
erWindForce@Wi
ressure,p=qzGf
rmember,F=pCf
ge,qz
2.219
2.584
2.864
3.069
3.768
3.369
3.515
3.515
andManLadder
ight,kN/m
eight(kN/m)
eight,kN/m
rmeter,(kN/m)
ation
Top
6.000
12.000
18.000
24.000
30.000
36.000
42.000
48.000
ndalongTowerDia
(kPa)
fAf (kN/m)
Gf
0.850
0.850
0.850
0.850
0.850
0.850
0.850
0.850
DeadLoad
Total(Fy)
0.378
0.378
0.378
0.378
0.378
0.378
0.378
0.378
gonal
pTo
Af
1.886 0.32
2.196 0.27
2.435 0.27
2.608 0.27
3.203 0.21
2.864 0.16
2.988 0.14
2.988 0.11
= 0.11= 0.12
= 0.19
0.43
Area
Project
Fy/4
0.095 1.95
0.095 1.95
0.095 1.95
0.095 1.95
0.095 1.95
0.095 1.95
0.095 1.95
0.095 1.95
13
Af
werLeg
F
1.075
1.057
1.164
1.236
1.225
0.841
0.729
0.588
ed z
3.500
9.500
15.500
21.500
27.500
33.500
39.500
45.500
=widthoftowerm
MainHorizontal
Af F
0.063 0.148
0.063 0.173
0.063 0.190
0.063 0.202
0.050 0.198
0.050 0.177
0.050 0.183
0.050 0.182
Kzqz
0.850 2.219
0.990 2.584
1.097 2.864
1.175 3.069
1.238 3.232
1.290 3.369
1.336 3.488
1.376 3.593
Stru
mberinmeter
MainDi
Af
0.102
0.102
0.102
0.102
0.089
0.089
0.073
0.073
Cf
1.200
1.200
1.200
1.200
1.200
1.200
1.200
1.200
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 14/57
VII.AntennaLo
AntennaType
Existing
GSM900
Canopy(Bro)
GSM1800
MW
MW
MW
MW
MW
ProposedLoad
MW
MW
adComputation
Lo
H‐
H‐
Leg
Leg
Leg
Leg
Leg
Leg
Leg
Leg
ation Nos.
rame 3unit
rame 6unit
A,B,C 3unit
1unit
1unit
1unit
1unit
1unit
1unit
1unit
Elevation
(m)
47.5
48.0
41.0
45.5
21.0
15.0
15.0
13.0
39.0
51.0
14
Weight Dime
(kN) (
0.412 1.936
0.303 0.299
0.368 1.302
3.434
1.373 1
0.932 0
0.932 0
0.932 0
4.611 3
4.611 3
nsion Ap
) (m2)
x0.262 0.507
x0.086 0.051
x0.156 0.202
2 3.142
.2 1.131
.6 0.283
.6 0.283
.6 0.283
.2 8.042
.2 8.042
Stru
Kz
1.389
1.392
1.346
1.376
1.170
1.090
1.090
1.057
1.332
1.410
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 15/57
3.2 CALC
I]GrossandSoli
PanelNo.]Ran
M
1]0~6.0
2]6.0~12.0
3]12.0~18.0
4]18.0~24.0
5]24.0~30.0
6]30.0~36.0
7]36.0~42.0
8]42.0~48.0
9]48.0~52.5 II]DesignWind
1.WindSpeed(
2.ImportanceF
3.ExposureCate
4.Towerheigth
5.Forcecoeffici
Cf =4.0ε2‐5
ReductionF
6.Siteisawayfr
SiteTopogrph
7.GustEffectFa
8.WindDirectio
9.VelocityPress
Kz=2.0
ULATIONSOF
dAreaofonetower
e, LegSpread
Base Top
7.00 6.36
6.36 5.71
5.71 5.07
5.07 4.43
4.43 3.79
3.79 3.14
3.14 2.50
2.50 2.50
2.50 2.50
Data
ph)
ctor,Iw
gory
on0.5‐mpedestal,h
ntforTrussedTow
.9ε+4.0(Squarec
actorfortowerwith
omhillsorescarpm
yFactor,Kzt
ctor,Gf
nalityFactor,Kd
ure,qz=47.3x10‐6
1(z/zg)2/a zg
INDFORCES:
face(unit‐meter)
HeightGross
Area
6.00 40.07
6.00 36.22
6.00 32.36
6.00 28.50
6.00 24.64
6.00 20.78
6.00 16.93
6.00 15.00
4.50 11.25
(m)
ers,Cf
rosssection)
roundedmembers
entbyatleast1km
K1=0.26 K2
zKztKdV2Iw(kPa
= 275
ITH ADDITION
TowerLeg
Width ΣLeng
0.324 12.0
0.273 12.0
0.273 12.0
0.273 12.0
0.219 12.0
0.168 12.0
0.141 12.0
0.114 12.0
0.114 9.00
Rf=0.51ε2+0.57
0.50 K3=0.73
)
a= 9.5
15
AL4.5M ANTE
Mainhorizon
th Width ΣLe
0.063 6.
0.063 6.
0.063 5.
0.063 4.
0.050 4.
0.050 3.
0.050 5.
0.050 7.
0.050 7.
200
1.15
C
52.50
1.00
1.2
0.85
0.85
NAHEIGHTS A
tal Maindiag
gth Width Σ
8 0.102
4 0.102
9 0.102
5 0.102
1 0.089
6 0.089
4 0.073
0 0.073
0 0.050
Wind +
Wind +X
Wind +
Stru
D ANTENNA
onal Sec.h
ength Width
7.96
7.02
6.13
5.31
4.54
3.86
6.48
5.63
3.44
+Z
‐ Z
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 16/57
III]Calculation
PanelNo.]
Range,M1]0~6.0
2]6.0~12.0
3]12.0~18.0
4]18.0~24.0
5]24.0~30.0
6]30.0~36.0
7]36.0~42.0
8]42.0~48.0
9]48.0~52.5
IV]TowerMeDesignwin
Forceinto
PanelNo.]
Range,M
1]0~6.0
2]6.0~12.0
3]12.0~18.0
4]18.0~24.0
5]24.0~30.0
6]30.0~36.0
7]36.0~42.0
8]42.0~48.0
9]48.0~52.5
ofVelocityPressur
z
3.50 0.
9.50 0.
15.50 1.
21.50 1.
57.00 1.
33.50 1.
41.00 1.
45.50 1.
50.75 1.
berWindForce@pressure,p=qzG
ermember,F=pC
qz
1.886 0.8
2.196 0.8
2.435 0.8
2.608 0.8
3.203 0.8
2.864 0.8
2.988 0.8
3.054 0.8
3.125 0.8
,SolidityandForce
z qz So
5 1.886
9 2.196
0 2.435
8 2.608
4 3.203
9 2.864
5 2.988
8 3.054
1 3.125
indNormal(kPa)
RfAf (kN/m)
f p
50 1.603
50 1.867
50 2.070
50 2.217
50 2.722
50 2.434
50 2.540
50 2.596
50 2.657
Coefficient
lidarea Grossar
6.14 40.07
5.39 36.22
5.26 32.36
5.14 28.50
4.13 24.64
3.42 20.78
3.18 16.93
2.88 15.00
2.07 11.25
TowerLeg
Af F
0.324 0.964
0.273 0.951
0.273 1.037
0.273 1.089
0.219 1.088
0.168 0.749
0.141 0.639
0.114 0.525
0.114 0.542
16
a e
0.153 3.
0.149 3.
0.163 3.
0.180 3.
0.168 3.
0.165 3.
0.188 3.
0.192 3.
0.184 3.
Af =widthofto
MainHorizo
Af
0.063 0.
0.063 0.
0.063 0.
0.063 0.
0.050 0.
0.050 0.
0.050 0.
0.050 0.
0.050 0.
Cf Rf
190 0.582
210 0.581
146 0.583
067 0.587
124 0.584
137 0.584
033 0.588
013 0.589
049 0.587
wermemberinmet
tal MainDi
F Af
188 0.102
219 0.102
239 0.102
251 0.102
248 0.089
223 0.089
227 0.073
230 0.073
238 0.050
Stru
1+0.75e
1.115
1.112
1.122
1.135
1.126
1.123
1.141
1.144
1.138
er
agonal
F
0.304
0.355
0.388
0.407
0.442
0.397
0.331
0.336
0.238
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 17/57
V]TowerMem
Designwin
Forceinto
PanelNo.]
Range,M
1]0~6.0
2]6.0~12.0
3]12.0~18.0
4]18.0~24.0
5]24.0~30.0
6]30.0~36.0
7]36.0~42.0
8]42.0~48.0
9]48.0~52.5
berWindForce@
pressure,p=qzG
ermember,F=pC
qz
1.886 0.8
2.196 0.8
2.435 0.8
2.608 0.8
3.203 0.8
2.864 0.8
2.988 0.8
3.054 0.8
3.125 0.8
indalongTowerDi
(kPa)
RfAf (kN/m)
f p
50 1.603
50 1.867
50 2.070
50 2.217
50 2.722
50 2.434
50 2.540
50 2.596
50 2.657
agonal
TowerLeg
Af F
0.324 1.075
0.273 1.057
0.273 1.164
0.273 1.236
0.219 1.225
0.168 0.841
0.141 0.729
0.114 0.601
0.114 0.617
17
Af =widthofto
MainHorizo
Af
0.063 0.
0.063 0.
0.063 0.
0.063 0.
0.050 0.
0.050 0.
0.050 0.
0.050 0.
0.050 0.
wermemberinmet
tal MainDi
F Af
148 0.102
173 0.102
190 0.102
202 0.102
198 0.089
177 0.089
183 0.073
186 0.073
191 0.050
Stru
er
agonal
F
0.239
0.279
0.307
0.327
0.352
0.315
0.267
0.272
0.191
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 18/57
St
18
ructuralIn
vestigatioExisting
DesignRe48M4Legge
ort SST
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 19/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 20/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 21/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 22/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 23/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 24/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 25/57
LOADLIS
PRINTSU
*LOADLIS
PRINTM
PRINTM
PRINTM
PRINTMPRINTM
PRINTM
PRINTM*
UNITME
STEELT
FINISH
T101TO108
PPORTREACTION
T111TO118MBERFORCESLIST20012
MBERFORCESLIST3001
MBERFORCESLIST4001
MBERFORCESLIST5001MBERFORCESLIST6001
MBERFORCESLIST7001
MBERFORCESLIST8001
ERKG
KEOFFALL
00220072008
00230073008
00240074008
0025007500800260076008
00270157016
00280098010
25
Stru
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 26/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 27/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 28/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 29/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 30/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 31/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 32/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 33/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 34/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 35/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 36/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 37/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 38/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 39/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 40/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 41/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 42/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 43/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 44/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 45/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 46/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 47/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 48/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 49/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 50/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 51/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 52/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 53/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 54/57
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 55/57
3.5
ANCHO
RBOLTS A
NDBASEP
55
LATE
Structur
lInvestigaExis
tionDesiging48M4Le
Report ggedSST
8/3/2019 Latticed Tower Design Investigation
http://slidepdf.com/reader/full/latticed-tower-design-investigation 56/57
4
DRAWI
NGS
56
Structur
lInvestigaExis
tionDesiging48M4Le
Report ggedSST