ASTM A334 pipe API 650 austenitic stainless steel storage tanks
The foundation design of the API 650 austenitic stainless steel storage tanks should meet the requirements of foundation stability and deformation, that is, the API 650 austenitic stainless steel storage tanks foundation should not be crushed and the uneven settlement value of the foundation should be within the allowable range. The uneven settlement of the storage tank foundation should be specified in the design process of the safe allowable range, because excessive uneven settlement will reduce the safety of the API 650 austenitic stainless steel storage tanks and cause distortion and deformation of the tank wall and bottom plate.
Hydrostatic TestThe API 650 austenitic stainless steel storage tanks product shall be vented to the atmosphere when it is filled with or emptied of water. During water filling, the elevations of at least four equidistant points at the bottom of the tank shell and on top of the ringwall or slab shall be checked. Differential settlement, or uniform settlement of substantial magnitude, requires an immediate stop to water filling. Any further filling with water will depend on an evaluation of the measured settlement.
API 650 stipulates that an open tank should be provided with a wind-resistant ring to ensure that the API 650 austenitic stainless steel storage tanks tank body maintains its roundness when subjected to wind. There are no hard and fast rules for vault API 650 storage tanks. It can be determined by comparing the equivalent wall height with the maximum height of the unreinforced tank wall.
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