There are a few questions; please help answer them.
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1. Why do spherical end caps experience the best stress distribution? 2. How many connection methods are there between the pillars of a spherical tank and its shell? Which type of stress is the best, and which is the worst? Why? 3. The GB12337-2014 version eliminates the requirement that the sealing surfaces of the manholes and connection flanges on spherical tanks should be of the male-female type; furthermore, the inlets and outlets are required to be located at the top pole. What is the purpose of this? 4. What loads should be considered in the design of spherical tanks? 5. What are the key considerations in the design of shell plates? 6. What are the main characteristics of spherical storage tanks? 7. What are the advantages and disadvantages?
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