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LEARN COMPOSITE STEP BY STEP |
STEP NO. 10
Beam Design,
Quantities, Cost Estimation
and Column Loads
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After entering Data & Checking
it thoroughly, Relax, let the software do its Job.
The 1st milestone is Analysis.
When Program starts, the Menu above is
displayed.
Under the Beam + Column Design + QTY Heading
following options are displayed.
● Beam
● Beam Log File
● Column Loads
● Script
● Column
● Column Log
● Standard Details
● Quantities
Now Click on " Beam " Option.
Following Graphics is displayed.
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Now select " Example _1 File & Press Open
Button.
Following Warning is displayed. |
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This is a very Important
Message. In case a user has edited or added any Joint / Column / Beam or Slab
Member after performing analysis then he should re-perform the analysis, else
old (in-correct) results will be displayed.
However Re-Analysis is not required for Beams Provided:
● Only Beam Type & Section is Changed.
● Project File Parameters are Changed.
Re-Analysis is required for Beams if Loads & Floor Geometry
is Changed.
Click " Yes " if you have not revised any member after analysis or click " No "
if you are not sure.
If " Yes " is clicked then following message will be displayed.
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Now Click the " Log File "
Button.
Following Design Results (Part) is displayed. The LOG file will display Beam
results (Safe / Unsafe) & various parameters on which Beam is evaluated. User
should study the each parameter in order to redesign the beam for safety or for
economy / Optimization.
The Composite Beam Design is carried out as per following Codes,
Construction Stage:
As
per IS 800 :
2007.
Composite Stage:
(a) Section Classification and BM as per Euro 4.
(b) SF, Axial Load, Deflection, Slenderness, Bolt, Weld Design as per IS 800 :
2007.
Profile
Deck design by Deck manufacturer.
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Note that Step by Step design is
given for Construction & Composite stage. If Beam is Unsafe, all the
parameters will be displayed indicating why beam is unsafe. A designer shall
study & correct the various parameters such as Concrete Grade/ Concrete
thickness, Profile Depth / Thickness and Beam Size. |
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Now Click
" Quantity " Option. Following Graphics is displayed. |
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Now Double Click
" Floor Beams + Slabs " Option. Following Graphics is displayed.
(Quantities and Cost of Column Project and Total Project will be discussed in
later Steps). |
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Now Double Click
" Quantity, Cost Summary " Option. Following Graphics is displayed. |
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DISPLAYING QUANTITIES AND COST SUMMARY |
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The above display gives cost
summary as per the Rates Put-In during creation of Project File.
Now Double Click
" Structural Steel Summary " Option. Following Graphics is displayed. |
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Note that the above steel weight
does not include end connections & member splice. We have taken C/C distance
between columns as member length, which may offset the connection + splice
weight.
Now Double Click
" Column Loads " Option from the Main Menu. Following Graphics is displayed. |
UN-FACTORED COLUMN LOADS
PART DISPLAY |
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The above Column Loads Graphics
is self explanatory. Self Weight of Column is not included.
When " OK " button is clicked following vital Statistical
Check is displayed.
The Difference should not exceed say 10 %.
The major difference should calls for
closer look at the Data-Input. |
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When " OK " button is clicked,
following Important Message is displayed. |
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The above message describes how
any number of Load Cases can be Run & Manipulated once the File is Exported to
Excel Spread Sheet. Note the File Name Carefully.
Click " OK " button.
Now we have come to the end of
Step # 10.
Let us proceed to Step No. 11. |
STEP NO. 10 IS OVER. |
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