Wind Calculation Method 2 2015

PROJECT:

WIND LOAD LOAD ANALYSIS ANALYSIS (NSCP 2015-207C)

SUBJECT:

PREPARED BY: CHECKED BY:

NSCP 2015WIND LOAD CALCULATION FOR MAIN WIND FORCE RESISTING SYSTEM Base !" SECTION 20#C Secton 207C discusses abou !n"e#o$e P%ocedu%e &o% !nc#osed ' Pa%ta## !nc#osed Lo-*ise +ui#din,s ./is P%ocedu%e is /e &o%e% #o-%ise bui#din,s e/od in NSCP 2010 (ASC! 7-05) e/od 23 ./is secton a#so inco%$o%aes NSCP 2010 (ASC!7-05) e/od 1 &o% W4*S a$$#icab#e o /e W4*S o& enc#osed si$#e dia$/%a, bui#din, #ess /an 1 in /ei,/

BUILDING OR OTHER STRUCTURES$ RIGID refers to a building or other structure whose fundamental   frequency is greater than or equal to 1 Hz.

PARAMETERS Wind S$eed6 

150

8$/

oa# /ei,/6 9

35



/ei,/ bo:o o& %oo& 

;3;



/o%i9ona# di3 Pa%a##e# o ind di%36 L

1



/o%i9ona# di3 No%a# o ind di%36 di%36 +

1



ean %oo& /ei,/ 6 /

73725 

*oo& An,#e6 <

A%

1=

20#%5 ./

&e'!()*+ P,ess-,e > >

.

> >

A%1

K/

de,%ees

>

03;1F G9 G9 Gd 2

( a &u## /ei,/)

23=5 Pa 03;1F G9 G9 Gd 2

( a ean %oo& /ei,/)

57355 Pa

"e#o "e#oci ci  $%e $%ess ssu% u%e e coe? coe?ci cien en de@n de@ned ed in in Sect Secton on 207 2073; 3;3; 3;33

!BPOS*! C .oa# 3 abo"e ,%ound6 9 ()



>

E 35

9,

>

2 7 = 3F 2

 3 5

0 3E 7 5 5 1 7 7 = F 1 !BPOS*! C

ean 3 abo"e ,%ound6 9 () 7 37 2 5



>

E 35

9,

>

2 7 = 3F 2

0 3E = 7 E E 2 0 = F ;

K/*

A%2

>

.o$o,%a$/ic &aco%6 G9 G966 Se See Se Secton 207 207 A3 an and 4i, 4i,u u%e 207 207 A3-1

>

K

A%

1

>

Wind Wind Di% Di%ecto ectona na#i #i  4aco aco%% 6 Gd6 see see Sect Secton on 207 207 A3; A3; and and .ab#e ab#e 207 207 A3;A3;-1 1 035

A%

>

&

bas basic ind ind s$eed $eed66 6 6 &o% &o% /e /e a$$ a$$#i #iccab#e ab#e %is8 %is8 cae, ae,o% o%  See See 4i,u% i,u%e e 207 207 A35A35-1A 1A66 + o% C = 1 3; ; ; ; ; 7

20#%12%#%2%2

Hs

LOW3RISE BU BUILDING A#e%nat"e#6 A#e%nat"e#6 desi,n ind $%essu%es &o% /e W4*S o& Lo-*ise +ui#din,s s/a## be dee%ined b /e &o##oin, euaton

4  .67GC489 3 7G(4)9

!uaton 207 C3=-1

/e%e /

>

"e#oci $%essu%e e"a#uaed a ean %oo& /ei,/ / usin, eJ$osu

>

NOTE:

03; GPa

KC$&

>

eJe%na# $%essu%e coe?cien &%o 4i,3 207-73

Kc$i

>

ine%na# $%essu%e coe?cien &%o .ab#e 207-123

ROOF O&ERHANGS

.! .! POS POSI. I.I I! ! !B. !B.!* !*NA NALL P*! P*!SS SS *! ON .! .! +O +O..O ..O S*4 S*4AC AC! ! O4 O4 WIN WIND DWA*D A*D *OO *OO4 4 O! O!* *AN ANKS KS SA SALL +! D S*4AC! P*!SS*!S D!.!*IN!D SINK FIGURE !"#.$%1 C4  0%# IN CO+INA.ION WI. .! .OP S*4AC!

E;*e,"a' P,ess-,e C!e<()e"*$ GC48 !" L!=3R)se Wa''s > R!!8s E"('!se$ Pa,?a''+ E"('!se B-)')"@s  1 7LOAD CASE A9 BUILDING SURFACE LOAD CASE A

ROOF ANGLE$ 

1

2





1E

2E

E

E

5

0 3=

- 0 3; E

- 0 3F 7

- 0 32 E

0 3; 1

- 1 30 7

- 0 35 F

- 0 3= F

1=

0 3= 

- 0 3; E

- 0 3= =

- 0 3F 7

0 37 2

- 1 30 7

- 0 3; F

- 0 35 ;

20

0 35 F

- 0 3; E

- 0 3= 

- 0 3= F

0 3

- 1 30 7

- 0 3; E

- 0 3; =

(ine%$o#a

Ca'(-'a*e W)" P,ess-,e ( in in PSF   ) !" LOAD CASE A9 GC4)

BUILDING SURFACE 1

2





1E

2E

E

E

0 31 

5 3F =

- 1 5 35 

- 1 1 30 F

- E 3E 2

E 37 =

- 2 2 3F E

- 1 = 3= =

- 1 F 31 

(Posit"e I

-031

1 1 37 E

- E 31 F

- = 35 E

- F 3= 7

1 ; 31 E

- 1 5 3E =

- 7 3E E

- ; 37 F

(Ne,at"e

in KPa ) !" LOAD CASE A Ca'(-'a*e W)" P,ess-,e ( in

GC4)

BUILDING SURFACE 1

2



1

2



-031

035;

-03==

-0322

-0317

037

-037;

-03F

-03F2

(Ne,at"e

E;*e,"a' P,ess-,e C!e<()e"*$ GC48 !" L!=3R)se Wa''s > R!!8s E"('!se$ Pa,?a''+ E"('!se B-)')"@s  1 7LOAD CASE B9 GC4) 0 -E0

BUILDING SURFACE$ LOAD CASE B 1

2





5



1E

2E

E

-03=5

-03;E

-03F7

-03=5

03=0

-032E

03=

-1307

-035F

 ) !" LOAD CASE B Ca'(-'a*e W)" P,ess-,e ( in PSF 

GC4)

BUILDING SURFACE 1

2





5



1E

2E

E

031

-1132

-1535

-E35

-1132

F3E=

-3=2

53F7

-223FE

-12372

-031

-=3=

-E31F

-F3=0

-=3=

103FE

-13E7

1132

-153E=

-;327

Ca'(-'a*e W)" P,ess-,e ( in KPa ) !" LOAD CASE B GC4)

BUILDING SURFACE 1

2





5



1E

2E

E

031

-035=

-0375

-03=7

-035=

031E

-03=0

032;

-1307

-03;1

-031

-032F

-03==

-031;

-032F

0350

-030E

0357

-037;

-03F0

!dua%do C%u9 % ance *aos III

%e de@ned in Secton 2073;3F3

!.!*IN!D SINK

$

ed "a#ues)

e%na# P%essu%e) Ine%na# P%essu%e)

Ine%na# P%essu%e)

$

E

5E

E

-03=

03;1

-03=F

E

5E

E

-1132

7370

-103EF

-53F7

1=315

-=3=

E

5E

E

-0357

03F7

-0352

-032;

03;

-0321

OCCUPANCY CATEGORY

I ESSENTIAL   FACILITIES

II HAARDOUS   FACILITIES

III SPECIAL OCCUPANCY STRUCTURES

I& STANDARD OCCUPANCY STRUCTURES & MISCELLANEOUS STRUCTURES

.ab#e 10F-1 Occu$anc Cae,o%

OCCUPANCY OR FUNCTION OF STRUCTURE Occu$ancies /a"in, su%,e% and ee%,enc %eaen a%eas6 4i%e and $o#ice satons6 Ka%a,es and s/e#e%s &o% ee%,enc "e/ic#es and ee%,enc ai%c%aM6 S%ucu%es and s/e#e%s in ee%,enc $%e$a%edness cene%s6 A"iaton con%o# oe%s6 S%ucu%es and eui$en in counicaton cene%s and o/e% &aci#ites %eui%ed &o% ee%,enc %es$onse6 4aci#ites &o% sandb $oe%-,ene%atn, eui$en &o% Cae,o% I s%ucu%es6 .an8s o% o/e% s%ucu%es conainin, /ousin, o% su$$o%tn, ae% o% o/e% @%e-su$$%ession ae%ia# o% eui$en %eui%ed &o% Pub#ic sc/oo# bui#din,s (eJce$ sin,#e-so% bui#din,s)6 os$ia#s6 Desi,naed e"acuaton cene%s6 Poe% and counicaton %ansission #ines Occu$ancies and s%ucu%es /ousin, o% su$$o%tn, oJic o% eJ$#osi"e c/eica#s o% subsances6 Non-bui#din, s%ucu%es so%in,6 su$$o%tn, o% conainin, uanttes o& oJic o% eJ$#osi"e subsances6 +ui#din,s i/ an asseb# %oo i/ an occu$an ca$aci o& 16000 o% o%e6 !ducatona# bui#din,s suc/ as useus6 #ib%a%ies6 audio%iu i/ a ca$aci o& F00 0 o% o%e occu$ans6 +ui#din,s used &o% co##e,e o% adu# educaton i/ a ca$aci o& 500 o% o%e occ u$ans6 Instutona# bui#din,s i/ 50 o% o%e inca$aciaed $atens6 bu no inc#uded in Cae,o% I6 ena# /os$ia#s6 sania%ius6 ai#s6 $%isons and o/e% bui#din,s /e%e $e%sona# #ibe%tes o& inaes a%e sii#a%# %es%ained6 A## s%ucu%es i/ an occu$anc o& 56000 o% o%e $e%sons6 S%ucu%es and eui$en in $oe%-,ene%atn, satons6 and o/e% $ub#ic ut#i &aci#ites no inc#uded in Cae,o% I o% Cae,o% A## s%ucu%es /ousin, occu$ancies o% /a"in, &unctons no #ised in Cae,o% I6 II o% III and Csae,o% 3

P%i"ae ,a%a,es6 ca%$o%s6 s/eds and &ences o"e% 135  /i,/3

AK*ICL.*AL +ILDINKS

REGION IN PROVIN

ASIC WIND SPEE

(km/hr)

(m/s)

Caloocan Las Piñas Makati Malabon Mandaluyong Manila Marikina Muntinlupa NCR Navotas Parañaque Pasay Pasig Pateros ue!on City "an #uan  $aguig %alen!uela &agupan 'locos Norte I 'locos "ur La +nion Pangasinan ,bra

270 270 270 270 270 270 270 270 270 270 270 270 270 270 270 270 270 270 2(0 2)0 270 2*0 2)0

75.00 75.00 75.00 75.00 75.00 75.00 75.00 75.00 75.00 75.00 75.00 75.00 75.00 75.00 75.00 75.00 75.00 75.00 )0.5* 77.7) 75.00 72.22 77.7)

,payao

-00

)-.--

aguio enguet '/ugao alinga Mountain Pro atanes Cagayan 'sabela Nueva %i!cay uirino "antiago

270 270 2(0 -00 -00 -20 -20 -20 -00 -00 -10

75.00 75.00 )0.5* )-.-)-.-)).)( )).)( )).)( )-.-)-.-)*.11

CAR

II

REGION MAIN PROVINCE

,ngeles ,urora ataan ulacan III Nueva 3ci4a longapo Pa6panga  $arlac a6bales atangas Cavite Laguna IV-A Lucena ue!on 8i!al Marinduque ccidental Mindoro riental Mindoro IV-B Pala9an Puerto Princesa 8o6blon ,lbay Ca6arines Norte Ca6arines "ur

ASIC WIND SPEE

(km/hr)

(m/s)

2*0 -00 250 2)0 2(0 250 270 2*0 250 2*0 270 2)0 270 2)0 2)0 2*0 250 250 2-0 2-0 2*0 -00 -00

72.22 )-.-*(. 77.7) )0.5* *(. 75.00 72.22 *(. 72.22 75.00 77.7) 75.00 77.7) 77.7) 72.22 *(. *(. *-.)( *-.)( 72.22 )-.-)-.--

-00

)-.--

V

Catanduanes Masbate Naga "orsogon ,klan ,ntique VI Capi! :ui6aras 'loilo asilan Lanao del "ur ARMM Maguindanao "ulu  $a9i;$a9i

REGION

XVIII

VII

VIII

IX

X

XI

-20 2)0 -00 -10 250 20 250 20 2*0 250 270 270 250 250

)).)( 77.7) )-.-)*.11 *(. **.*7 *(. **.*7 72.22 *(. 75.00 75.00 *(. *(.

XII

XIII

MAIN PROVINCE

ASIC WIND SPEE

(km/hr)

(m/s)

acolod Negros ccidental Negros riental o

2*0 2*0 2*0 2)0 2)0 2*0 -00 -20 -00 -20 -10 -00 250 250 250 2(0 2)0 2)0 270 270 2*0 2(0 -00

72.22 72.22 72.22 77.7) 77.7) 72.22 )-.-)).)( )-.-)).)( )*.11 )-.-*(. *(. *(. )0.5* 77.7) 77.7) 75.00 75.00 72.22 )0.5* )-.--

&avao City =

2(0

)0.5*

&avao del Norte &avao del "ur &avao riental Cotabato Cotabato City :eneral "antos "arangani "out< Cotabato "ultan udarat ,gusan del Norte ,gusan del "ur utuan &inagat 'slands "urigao del Norte

2(0 -00 -00 -00 -00 -00 2(0 2(0 2)0 -00 -00 -00 -10 -10

)0.5* )-.-)-.-)-.-)-.-)-.-)0.5* )0.5* 77.7) )-.-)-.-)-.-)*.11 )*.11

"urigao del "ur

-10

)*.11

Ta'e 20# A%31 W)" D),e(?!"a')*+ Fa(*!,$ Kd  S%ucu%a# .$e

Di%ectona#i 4aco% Gd

+ui#din,s ain Wind 4o%ce *esistn, Sses Co$onens and C#addin,

035

A%c/ed *oo&s

035

C/ines6 .an8s6 and Sii#a% S%ucu%es   Sua%e   eJa,ona#   *ound

035

03E 03E5 03E5

So#id Si,ns

035

O$en Si,ns and Lace 4%aeo%8

035

.%ussed .oe%s .%ian,u#a%6 sua%e6 %ecan,u#a% A## o/e% c%oss sectons

035 03E5

&'irec(onality Factor )d has been calibrated with combina(ons of  loads s*eci+ed in ,ec(on !-. his factor shall only be a**lied when used in con/unc(on with load combina(ons s*eci+ed in ,ec(ons !-.- and !-.$.

SECTION 207 A.7.3

EXPOSURE CATEGORIES

E;4!s-,e B:

4o% bui#din,s i/ a ean %oo& /ei,/ o& #ess /an o% eua# o E6 ! s/a## a$$# /e%e /e ,%ound su%&ace %ou,/ness6 as de@ned b /e *ou,/ness +6 $%e"ai#s in /e u$ind di%ecton &o% /e discance ,%ea =503 4o% bui#din, i/ a ean %oo& /ei,/ ,%eae% /an E6 !J$os a$$# /e%e /e Su%&ace *ou,/ness + $%e"ai#s in /e u$ind di%ect disance ,%eae% /an 77E0 o% 20tes /e /ei,/ o& /e bui#din,6 is ,%eae%3

E;4!s-,e C: !J$osu%e C s/a## a$$# &o% a## /e cases /e%e !J$osu%es + o% D do n

E;4!s-,e D: !J$osu%e D s/a## a$$# /e%e /e ,%ound su%&ace %ou,/ness6 as de@ Su%&ace *ou,/ness D6 $%e"ai#s in /e u$ind di%ecton &o% a disance /an 1500 o% 20 tes /e bui#din, /ei,/6 /ic/e"e% is ,%eae%3 ! s/a## a#so a$$# /e%e /e ,%ound su%&ace %ou,/ness iediae# u /e sie is eJ$osu%e + o% C6 and /e sie is i/in a discance o& 10 tes /e bui#din, /ei,/6 /ic/e"e% is ,%eae%6 &%o an !J$osu%e D as de@ned in /e $%e"ious senence3

For a site located on the transi(on zone between e0*osure categori category resul(n in the largest wind forces shall be used.

$osu%e + u%&ace e% /an %e + s/a## n &o% a /ic/e"e%

o a$$#3 ned b ,%eae% $osu%e D $ind o& o% 20 conditon

s. he

ean %oo& /ei,/ /()

+

!J$osu%e C

=35

1300

1321

13=7

;30

1300

132E

1355

735

1300

13F5

13;1

E30

1300

13=0

13;;

1130

1305

13=5

1370

1230

130E

13=E

137=

1F37

1312

135F

137

1532

131;

135;

131

1;3

131E

135E

13=

130

1322

13;2

137

D

!J$osu%e Cae,o%ies u%ban and subu%ban a%eas6 +

ooded a%eas6 e%%ain i/ nue%ous c#ose# s$aced obs%ucton /a"i o$en e%%ain i/ sca:e%ed obs%uctons /a"in, /ei,/s

C

Qa o$en coun% ,%ass#ands ae% su%&aces in %e,ions i/ %eco%ds o& eJ%ee $/o Qa unobs%uced a%eas

D

ae% su%&aces soo/ ud Qas sa# Qas

, /e si9e o& sin,#e-&ai# de##in,s o% #a%,e%3 ene%a## #ess /an E

ns

( 1  G1  G2  GF )2

K/* 

( 2073A3-1)

W/e%e G1 6 G2 ' GF a%e ,i"en in /e 4i,u%e 207A3-1 I& sie conditons and #ocatons o& s%ucu%es do no ee a## /e conditos s$eci@ed in /e Secton 207A331 /en G9 > 130

TABLE 207A.8-

TOPOGRAP!IC "ULTIPLIERS FOR EXPOSURE C 

K1 M-'?4')e, H  L

23D R)@e

23D Es(a,4%

K2 M-'?4')e,

3D A;)s+% H)''

;  L

23D A'' O*e, Es(a,4% Cases

KM-'?4')e, /  L

23D R)@e

23D Es(a,4%

3D A;)s+% H)''

032

032E

0317

0321

0

1

1

0

1

1

1

0325

03F;

0321

032;

035

03

03;7

031

037=

037

03;7

03F 03F5

03=F 0351

032; 03F

03F2 03F7

1 135

0375 03;F

03FF 0

032 03F

0355 03=1

03;1 03=7

03=5 03F

03=

035

03F=

03=2

2

035

0

03=

03F

03F7

032

03=5

03;5

03F

03=7

235

03F

0

035

0322

032E

031=

035

0372

03=F

035F

F

0352

0

03;

0317

0322

030E

F35

031F

0

037

0312

0317

030;

=

0

0

03

030E

031=

030=

03E

0307

0311

030F

1

0305

030

0302

135

0301

0302

0

2

0

0

0

NO.!S 1 4o% "a#ues o& HL/6 JHL/ and 9HL/ o/e% /an /ose s/on6 #inea% ine%$o#aton $e%i:ed3 2 4o% HL/ R 03506 assue HL/>0350 &o% e"a#uatn, G1 and substue 2 &o% L/ &o% e"a#uatn, G2 ' GF F u#t$#ie%s a%e based on /e assu$ton /a ind a$$%oac/es /e /i## o% esca%$en a#on, /e di%ecton o& aJiu s#o$e3 = Noaton

TABLE 207A.-

MAIN WIND FORCE RESISTING SYSTEM > COMPONENTS AND CLADDING

ALL HEIGHTS

ENCLOSED$ PARTIALLY ENCLOSED AND OPEN WALLS AND ROOFS BUILDINGS (Kc$i) !NCLOS*! CLASSI4ICA.ION O$en +ui#din,s 0 Pa%ta## !nc#osed +ui#din,s !nc#osed +ui#din,s

0355 -0355 031 -031

TABLE 207A.-

MAIN WIND FORCE RESISTING SYSTEM > COMPONENTS AND CLADDING

ALL HEIGHTS

ENCLOSED$ PARTIALLY ENCLOSED AND OPEN WALLS AND ROOFS BUILDINGS (Kc$i) !NCLOS*! CLASSI4ICA.ION O$en +ui#din,s 0 Pa%ta## !nc#osed +ui#din,s !nc#osed +ui#din,s

0355 -0355 031 -031

EPOSURE

He)@* a!e @,!-" 'ee'$ / 

!BPOS*! +

!BPOS*! C

!BPOS*! D

0

037

035

130F

=3;

037

035

130F

;31

037

03E

130

73;

037

03E

1312

E31

037

03E

131;

1232

037;

130=

1322

1532

031

130E

132=7

1

035

131F

13F1



7

E35

1135

T,

F;537;

27=3F2

21F3F;

EPOSURE

He)@* a!e @,!-" 'ee'$ / 

!BPOS*! +

!BPOS*! C

!BPOS*! D

0

037

035

130F

=3;

037

035

130F

;31

037

03E

130

73;

037

03E

1312

E31

037

03E

131;

1232

037;

130=

1322

1532

031

130E

132=7

1

035

131F

13F1



7

E35

1135

T,

F;537;

27=3F2

21F3F;