1. Open 11.
Select Load & Definition
Space
Add Beam
2. Select Geometry
Run Structural Wizard
Select Frame Model
Choose Bay Frame:
Length – 25
Height – 4.5
Width – 20
No. of Bays length– 5
No. of Bays height – 1
No. of Bays Width – 4 12. Click Ctrl + G
3. Apply Click Floor
4. Transfer Model
Add
5. Shift E to check
6. Select General
7. Define
8. Rectangular – Concrete:
Add 1: X
YD – 0.5
ZD – 0.5
Add 2: Y
YD – 0.5
ZD – 0.4
Add 3: Z
YD – 0.45
ZD – 0.35
9. Right Click 3D
10. In Assigning, Click Select on the Main Bar
Beams Parallel To – X, Y, Z
13. Click the beam of each load and click Associate
14. Click DL in load cases
Select Floor Load
Group: 21. For WL +X & -X Type: Add x and -x
CRLOAD = -2.66 22. For WL +Z & -Z Type: Add z and –z
OFFICE LOAD = -1.98 23. Add seismic definitions
15. Click Assign: UBC 1997
UNI GY -7. 56 = outer
UNI GY – 1.98 = interior
16. Click LL in load cases (same process)
17. Ctrl + A
18. Click Geometry
Translational Repeat
24. para maassign tanang loading sa whole structure, Click CTRL+G
25. Click Select
Beams Parallel to X and Z
Highlight then,
Click Associate
19. Self-weight – assign to view 25. Click View Whole Structure
20. Click Wind Definition 26. Run Analysis
(add picture) If naay error or warning, Type Perform Analysis sa ubos
250 kmph 27. Click Foundation Design
67.5 m Available load cases highlight all and CLICK Include All
For windward and
leeward X – 25, 20
For windward and
leeward Z – 20, 25
Run to STAAD Foundation
28. Job Set-up
Create new job
Highlight available load
cases and click arrow down
Click create job and the OK
Input Job Name
29. Concrete and Rebar
Unit weight of concrete –
23.544 kn/m3
Bar spacing – 50 mm
Max bar spacing – 500 mm
Strength of concrete – 21 kn/m3
Yield strength of steel – 275.6
Bar size min. 12 and max. 40
30. Cover and Soil
Bottom clear over =75 mm
Unit weight of soil = 18 kn/m
BRIDGE
-bridge analysis
-moving loads
-to make the moment to be maximum will be model only one length
-model only girder
Superimposed Dead Load – total load sa tanang dead load sa ibabaw sa bridge
Sidewalk live load
Design lane load – Ex. Mga graba na nakabutang
Command:
4 SPAN @ 30m
Pinned support
Property: concrete – 1m x 1m
Loading type of DESIGN LANE LOAD - none
Assign to view all load
ADD NEW LOAD CASES Analysis print: no print
INPUT Post print
1. 111 3. 118 Define commands
2. 111 4. 872
5. 87
CLICK tagsa2 ADD then > with Force input 20
Click napd tagsa2
pabalik (same
process)
Sunod kay usahon
silag add sa pikas
with force again
LOAD List = 7 all
Add
Define napd section displacement
Member forces
Add all
Assign to view all