Week 2 Challenge
Aim: Applying the IRC live loads and model in Staad pro and perform the structural analysis
Given Data
Width of the bridge deck is 7m ,
Span of the bridge is 24m,
Pier size is 2 m diameter,
The seismic zone is Zone III,
Wind speed is 42 km/ Hr.
Unit weight of soil is 18 KN/m3
Solution:
Pier Modelling in Staad:
Assigning pier Properties:
Creating Raft Foundation Plate:
Creating Complete Raft foundation:
Creating Second Pier with raft:
Creating Girders:
Creating Cross Girders;
Creating Slab plates
Creating Groups for Slab
Creating Girders Group
Complete Structure In rendering view
Checking Of Multiple structures
Checking for duplicate Nodes
Checking for duplicate members
Checking for Orphan Nodes
Checking for Warped plates
As per IRC -6-2000, for the Carriage way between 5.3 to 9.6 ,the loading should be one lane of Class 70 R or Two lanes of Class A loading should be applied.
|
Load in Kn |
Distance in M |
|
|
1 |
27 |
|
|
2 |
27 |
1.1 |
|
3 |
114 |
3.2 |
|
4 |
6.8 |
1.3 |
|
5 |
6.8 |
3 |
|
6 |
6.8 |
3 |
|
7 |
6.8 |
3 |
|
Vehicle length |
14.6 |
|
|
Span lenth |
24 |
|
|
Vehicle length+Span length |
38.6 |
|
|
No of loads consideration with 1m interval |
38.6 |
|
Max.BM Due to Live loada
