Design of Purlin
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Transcript of Design of Purlin
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8/19/2019 Design of Purlin
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Created By: Madurai ES Consultancy Ser
Purlin Designation P1 JOB No.:
DATE :
Input Data: Purlin Geometry
Span of the purlin = 6.000 M
Spacing of the purlin = 1. M
No. of Sag rods = !
Slope of the Roof = 1 deg.
Nu!er of Spans = "
"for # or $ spans% Bending Moent Coefficient is &% for ' or ore spans% it is #()
"in case of Bending a!out inor a*is% "No of spans)*"No of sagrods+#) is used.
Input Data: #oa$s
Dea$ #oa$s
,eight of Sheeting = 6 -gs/
Self ,eight of Purlin = 0utoatically Calculated fro Section pr
E*tra for cleats% as 1 of Purlin 2eight = #( 1
0dditional 3ead Loads to Consider = 0 -gs/
#i%e #oa$s
Live load on Roof = 0utoatically Calculated fro Slope
= 45 -gs/
0dditional Live Loads to !e considered = 0 -gs/
"6or 3esign of ,all 7irt "Cladding Runner)% additional Live loads to !e considered can !e entered as
"Live load 2ill !e ( e
&in$ #oa$s
Basic ,ind Speed "' s 9errain Category !
-# 1 Ma*iu ori;ontal 3iension of Building "".(!
-' 1 ence% Bldg Class B
eight of 9op 10."6"!
Based on the data on right% -$ is o!tained fro the ta!les
-$ 0.'
t of !uilding at eaves level% h = (
,idth of the !uilding% 2 = "".(
Length of the Building% l = "".(
ence% h2 = (.#
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>ield stress of aterial !*00
6lange ,idth% ! 60
3epth of section d !00
9hic-ness t !."
Length of Lip lip?l !0
@nner Bending Radius "
0rea .0+
A** *+.+! Section Modulus a!out Maor 0*is
Ayy 10.!! Section Modulus a!out Minor 0*is
@** *++.1 Moent of @nertia a!out Maor 0*is
@yy 61."* Moent of @nertia a!out Minor 0*is
Purlin ,eight '.4#5 -gs/
Output ,ummary
Section Properties D O3 Based on Section 5 of BS:454( Part 4 F #55&
O3 Based on @S &(# Clause 4.$.$.#
Stresses - O3
Critical Stress 6actor 0.+"
3eflection Chec- D O3
ence% verall: O3
Notes:
1. Section Properties Check based on Section 9 of B:5950 Part 5 is a guideline and not man
ence! "esign is considered Safe e#en if abo#e check only is not okay but all ot
$. Currently! this design only %orks if full %idth is effecti#e. &f full %idth is not effecti#e!
this spreadsheet %ill report 'ailure in Stress Check
(. )ot suitable currently for cur#ed roofs.
*. "esign is not suitable for #arying spans of purlins +#arying truss spacing,
D7CM$
c$
c'
c'
c<
c
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ices Pvt Ltd.
*+6
$$8('8$(#G
operties
8ve of LL on roof)
ffectively)
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datory
her checks are okay
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A Purlin 3esign ReportCreated !y Madurai ES Consultancy Services Pvt Ltd
Page H
Purlin Design 4eport Prepare$ By 5a$urai E, onsulta
o$e Aut/or: ,. Arunumar 5an
o$e 7ersion: 41 o$e 8ear: !011
4e%ision 9istory 40: Basi- Design it/ -/e-s ;or ,tresses an$ De;le-tion s@m
#I7E #OAD
Live Load on Roof = H4 -gs/ if slope is less than #( degrees. @f Slope is ore than #( degrees% LL = H4 F $*"slope8#()% su!e
Live load on Roof = 45
0dditional Live Loads to !e considered = (
"6or 3esign of ,all 7irt "Cladding Runner)% additional Live loads to !e considered can !e entered as 8ve of LL on roof)
9otal Live Load 45 -gs/
? 0.('0 N>s@m
&IND #OAD
Basic ,ind Speed J! '5 s
-# #
c$
D7M$
D7M$
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A Purlin 3esign ReportCreated !y Madurai ES Consultancy Services Pvt Ltd
Page &
-' #
9errain Category $
Ma*iu ori;ontal 3iension of Building ''.4$&
ence% Building Class is B
eight of 9op #(.'G'$
Based on the a!ove data% -$ is o!tained fro the ta!les
-$ (.5&
3esign ,ind Speed J;=-#.-$.-'.J! '&.$$ s
3esign ,ind Pressure p;=(.GJ;K$ &HG.
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A Purlin 3esign ReportCreated !y Madurai ES Consultancy Services Pvt Ltd
Page 5
Design al-ulations: Primary #oa$ ases on%ersion o; ;or-es to Normal An$ Tangential ompo
Spacing of the purlin - 1. m
Slope of the /oof - 1 degrees
otal "ead oad - 0.099 k)2s3m
" )ormal Component - " 4 Spacing 4 cos+slope, - 0.19 k)2m
" angential Component - " 4 Spacing 4 sin+slope, - 0.055 k)2m
otal i#e oad - 0.590 k)2s3m
)ormal Component - 4 Spacing 4 cos+slope, - 1.010 k)2m
angential Component - 4 Spacing 4 sin+slope, - 0.($ k)2m
otal 6ind oad in 61 - 71.05$ k)2s3m
6 is normal to roof
ence! 61 normal component - 61 4 Spacing - 71.9( k)2m
8nd! 61 angential component - 0 k)2m
otal 6ind oad in 6$ - 0.0 k)2s3m
6 is normal to roof
ence! 6$ normal component - 6$ 4 Spacing - 0.15 k)2m
8nd! 6$ angential component - 0 k)2m
Design al-ulations:,ummary o; #oa$s in #oa$ om
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A Purlin 3esign ReportCreated !y Madurai ES Consultancy Services Pvt Ltd
Page #(
6lange ,idth 2o !end% 2 = ! F $ * rad
Check No. 2 – Overall With o! Co"pre##io$ %la$e
Check No. ' – With o! Lip >= (/5
6idth of ip $0 mm
B25 - 1$ mm
ence =>
Check No. 4 – )otal With over (oth !la$e# >= L/*0
otal 6idth o#er both flanges 11. mm
20 - 100.000 mm
ence =>
Check No. 5 – +,, o! -rli$ >= WL/1400 !or i"pl pporte -rli$ a$ >=WL/100 !or Co$ti$o# -rli$
?44 - *.$
6 is normal component of unfactored distributed dead load plus imposed load in k) is span of purlin in mm
6 - .0* k)
- 000 mm
)umber of Spans - (
ence! denominator - 100
62denominator $(.50
ence =>
c$
c'
c'
c<
c<
cm(
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A Purlin 3esign ReportCreated !y Madurai ES Consultancy Services Pvt Ltd
Page ##
e#lt 13 Check !or ectio$ -ropertie# a#e o$ 550 -art 5 ec.3 O6
Design al-ulations: /e-ing Basi- ,e-tion Properties
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A Purlin 3esign ReportCreated !y Madurai ES Consultancy Services Pvt Ltd
Page #$
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A Purlin 3esign ReportCreated !y Madurai ES Consultancy Services Pvt Ltd
Page #'
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A Purlin 3esign ReportCreated !y Madurai ES Consultancy Services Pvt Ltd
Page #<
ence! go#erning #alue for 'b% - 1** )2s3mm
8lready calculated fb% -
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A Purlin 3esign ReportCreated !y Madurai ES Consultancy Services Pvt Ltd
Page #4
A -
8s per L O6 Based on Section 9 of BS:5950 Part 5 G 199
O6 Based on &S 01 Clause 5.$.$.1
Stresses =kL O6
Critical Stress 'actor 0.'
"eflection Check =>L O6
ence! =#erall: O6
)otes:
1. Section Properties Check based on Section 9 of B:5950 Part 5 is a guideline and not mandatory
$. Currently! this design only %orks if full %idth is effecti#e. &f full %idth is not effecti#e!
this spreadsheet %ill report 'ailure in Stress Check
(. )ot suitable currently for cur#ed roofs.
*. "esign is not suitable for #arying spans of purlins +#arying truss spacing,
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A Purlin 3esign ReportCreated !y Madurai ES Consultancy Services Pvt Ltd
Page #G
n-y ,er%i-es P%t #t$.
ging Dire-tor.
nly
$ on I, 01
'$$#G
-g
ct to iniu of
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A Purlin 3esign ReportCreated !y Madurai ES Consultancy Services Pvt Ltd
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A Purlin 3esign ReportCreated !y Madurai ES Consultancy Services Pvt Ltd
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ents
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A Purlin 3esign ReportCreated !y Madurai ES Consultancy Services Pvt Ltd
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A Purlin 3esign ReportCreated !y Madurai ES Consultancy Services Pvt Ltd
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s,
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A Purlin 3esign ReportCreated !y Madurai ES Consultancy Services Pvt Ltd
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e spans
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A Purlin 3esign ReportCreated !y Madurai ES Consultancy Services Pvt Ltd