API 650 duplex stainless steel tanks roof load

API 650 petroleum storage tank has the advantage of long economic life: because there is no gas space on the liquid surface in the internal floating roof API 650 duplex stainless steel tanks storage tank, the vibration generated during the transportation of liquid inside and outside the tank is reduced.

Usually, the wind load in the API 650 duplex stainless steel tanks construction area should be considered before the tank design and construction. The wind load in the API 650 duplex stainless steel tanks construction area has an impact on the stability and economy of the API 650 duplex stainless steel tanks. In the area with large wind load, it is safe to design the tank as "squat". When calculating the wind force, the influence of the thickness of the insulation layer of the API 650 duplex stainless steel tanks, the shape of the ladder, the platform, the pipeline and the top cover must be considered.

Storage Tank Annular Bottom Plates
Thickness shall be per API 650, Appendix E (with loads modified by requirements of this appendix) plus corrosion allowance unless a thickness increase is required for compliance with Appendix R or Appendix Q. Annular plate width shall be per API 650, Appendix E (with loads modified by requirements of this appendix) unless a width increase is required for compliance with Appendix R or Appendix Q. Thickness used for determination of API 650 welded storage tank standard, Appendix E width shall be based on the thickness required for seismic product hold down.

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