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[Marcos1986]

Hi,

 

I´m doing a project for a storage water tank by EN14015.

 

By EN14015 the design of shell is made by design internal pressure and test pressure.

 

But by API650 the design of shell is made by design internal pressure, test pressure, external pressure and seismic dinamic compression (dynamic liquid hoop forces).

 

Why EN14015 don´t consider the design of shell for external pressure and seismic (dynamic liquid hoop forces)?

 

Thanks for your time,

 

Best regards,

 

Marcos Vilela