Week 9 Challenge
Aim:- To calulate and apply the wave load on bridge using IS-4651.
Explaination:- In past many high speed cyclones and Tsunami have occured near the coastal region, which have distorted the structures such as buildings, industrial sheds, bridges etc. Seeing all this impacts wave loads had become the dominating load to be considered for analysis and design of structures near coastal region.Understanding of the possible failure pattern and distructive load applications are needed to be known for better understanding of structural behaviour. How deck is submerged and devlopment of air pockets between the girders needed to be known because this obviously increse the complexity of the problem.
Here in this assignment all the calculation related to the load generated because of the impact of wave is calculated using IS-4651 and it is modelled and analysied in staad pro, also results are discusssed.
Calculation:-
Given Data:-
- Creast Level= 3m
- I girder specification= 1.7m height, 2.5m depth, 0.5m thickness.
- Span of bridge:- 12m
- Width of deck:- 9m
- Thickness of deck slab:- 2m
- Constants:- r(5), Cva(3), strom elevation(8.5m), Cr(0.4)
Solutiions:-
- Ah= 3.7*12=44.4m^2
- Av= 9*12= 108m^2
- γ=10kN/m^3
- δZh=3.37m
- δZv=1.7m
- Cva=3
- Cr=0.4
- Fv*=γ*δZv*Av=10*1.7*108=1836kN
- Fvmax= 3*1836= 5508kN------------------------------(A)
- Fh*=γ*δZh*Ah= 10*3.37*44.4=1497
- Fhmax=[1+Cr(N-1)]Cva*Fh*= [1+0.4(3-1)]3*1497= 8084kN--------------------------(B)
Staad pro modelling:-
Results and discussions:-
