Wind-Load-Calculations-as-per-IS-875-part-3.xls

LOAD CALCULATIONS : : : :

Job No. Project C!"e#t De$cr"(t"o#

,-"!&"#% T'(e



Length (o/o) Width (o/o) Width module Bay spacing lea! ea"e height #a$% ea"e height Roo& slope ( θ)

= = = = = = =

3.01 m 3.01 m

Wt% o& sheet ' pu!line ead Load (L)

= =

9.11 %/;< 9.19 9.1 9 N N/; /;

ollate!al Load on Ra&te!

= =

9.11 %/;< 1.11 1.1 1 N N/; /;

Li"e load/unit a!ea* !oo& Li"e Load (LL)

= =

2.11 %/;< .10 .1 0 N N/; /;

Basic +ind speed (,-) esign +ind speed (,.) +he!e*

= 42 m/s = =b?+9?+?+3

0.2 4.1 4.1 3.54 .54

Rev. No. HQ 33 CORPS UG OPS ROOM/SANDMODEL ROOM LOADS ON THE MAIN SAND MODEL ROO) TRUSS

Dte De$"%#e& b' C*ec+e& b'

: : : :

R0 04/03/2018  

vamsi

m m m 6

DEAD LOAD 7DL8

COLLATERAL LOAD the! ollate!al Load

= =

5.11 %/;< 1.4 1. 4 N N/; /;

LI=E LOAD 7LL8

>IND LOAD 7>L8

1 = p!o-a-ility p!o-a-ility &acto! &acto! (!is (!is coe&&icien coe&&icient) t) = 9 2 = te!!ain* te!!ain* height height and st!uctu!e st!uctu!e si.e si.e &acto! &acto! 1.@5 = 3 = topo topog! g!ap aphy hy &ac &acto to!  !  = 9 40.1 40 .10 0 ;/$ ,. = esign +ind p!essu!e (p.)

= p. =

e!!ain atego!y

lass

3

B

1.0?=< 9.23 9. 23 N/; N/;<< PRESURE COE))ICIENTS:B

nclose! nclose! conditio condition n o& the the -uilding -uilding = O(e# nte!nal nte!nal p!essu!e p!essu!e coe&&%( coe&&%(pi) pi) =

1.21

h/+ = 1.95 = */9/ 9.11 l/+ = = 9!/3/ $te!nal p!essu!e coe&&%(pe) : Wind 9ngle (:) 0 deg!ee 70 deg!ee

Tb!e 4 oe&&% o o! Wa Wall Le&t Right 0%0 50%26 50%60 50%60

Tb!e  oe&&% o o! Ro Roo&   Le&t Right 50%7360 50%40 50%80 50%80

>IND LOAD DIAGRAMS:B Wind Across the Ridge (With -Ve Cpi) 1.4 .1 N/; 1.31

N/; 9.13 9.41

Wind Across the Ridge (With +Ve Cpi) 9.04 94.145N/; 9.91

.5 N/;

N/; 3.52 1.4

N/; 1.11 1.11

>"#& Pr!!e! to R"&%e7>"t* F=e C("8 9.1 9.5@N/; 9.1

N/; 5.90 1.@

9.5@ N/;

N/; 91.39 9.1

N/; 91.39 9.1

>"#& Pr!!e! to R"&%e7>"t* =e C("8 1.91 1.50 N/; 1.91

N/; 9.2 1.1

N/; @.4

1.50 N/;

N/; 1.11 1.1 Note: 1) ,alues +ithin the ci!cles a!e the L

2) 5,e "alue means* load applied a+ay &!om st!uctu!e%

DESIGN ASSUMPTIONS AND T*e ; ;"# "# r r; ;e$ e$ r re e !o& !o& be ber" r"#% #% tr tr-$ -$$e$ $e$ o# RC RCC C co!co!-;# ;#$ $ . Ro Roo o "$ oct oct%o %o#! #! * S-((or S-( (ortt co#& co#&"t" "t"o#$ o#$ re )I )IED ED or RCC Co! Co!-;# -;#$ $ o t*e b-" b-"!&"# !&"#% % #& Tr-$ r-$$ $ $-(( T*e $tb $tb"!"t "!"t' ' o t*e roo roo "$ (ro (rov"&e v"&e& & t*rot*ro-%* %* t*e t*e &"%o &"%o#! #! br brc c T*e T* e roo roo (-r! (-r!"# "#$ $ re be; be;$ $ $-((o $-((ort rte& e& o# r"% r"%"& "& r; r;e e rt rt

LOAD COM,INATIO De& Lo De& Lo& & F Se" Se"$; $; De& Lo& F L"ve Lo& F Per;"$ Per ;"$$"b! $"b!e e Stre$$e Stre$$e$ $ *ve bee# "#cr "#cre$e e$e& & b' 33.33 33.33  De& Lo& F Cr#e Lo& De& Lo& F L"ve Lo& F De& Lo& F >"#& Lo& De& Lo& F >"#& Lo& Per(e# De& De & Lo Lo& & F Cr Cr# # De& Lo& F L"ve Lo& F >"#& De& Lo& F L"ve Lo& F >"#& Lo&

LOAD COM,INATIONS "((e& roo "t* *"( rter$ (rov"&"#% t*e re-"re& $!o(e$ #& $tb"!"t'. $tb"!"t'. ort$ o# to( o RCC Co!-;#$ re o#e P"##e& #& o#e ro!!er $-((ort$. "#% #& $tr-t (-r!"#$ "# !"#e "t* e#& !! co!-;#$. er$ #& $(# t*e b' $(c"#% o t*e b-"!&"#%.

S 7CRITICAL8 "c Lo& Se"$;"c Lo& r &e$"%# o e!e;e#t$ *ere "#& "$ cr"t"c!. F >"#& Lo& o!!ter! Lo& A!o#% )r;e &"c-!r to t*e )r;e e Lo& Lo& A!o#% )r;e er(e#&"c-!r to t*e )r;e

ea! ;undu% o+ o  apply +ind loads on the hipped octagonal !oo& system% he columns a!e R% 2% s the -asic scheme o& modeling o%  m dou-t&ul a-out the cent!al "e!tical mem-e! C the !o+n% D /imp!o"ement on the one p!oposed he!e% 3% 9!e the ?ac !a&te!s o o! should  go &o! mono5sloped t!usses as @ac !a&te!s in st!ad o& simple mem  am t!ying to tae the coe&&s as in monosloped !oo& +ith "a!ia-le angle o& +ind attac &!om 0 deg to 18 ( F 800200G a-le ) 4% s it o to analyse the +hole st!uctu!e in one go o! sepe!ate the steel pa!t and the R pa!t% A 6%  chose mem-e!s o& the !oo& as dou-le channel &ace to &ace maing it a -o$% % comment +hethe! pipes ha"e any ma!ed ad"antage (  +as +o!!ied &o! the &a-!ication comple$ities  a+ait you! !esponse% Lu" ,amsi