187、requirements for foundation of carbon dioxide spherical tank - doer equipment
classification：forum publishtime：2022-01-08 15:24:30
requirements for foundation of carbon dioxide spherical tank - doer equipment
the requirement for the foundation of carbon dioxide spherical tank is that under the condition of 1mm uneven sinking, one pillar will produce about 10% higher stress than other pillars. if the safety factor is 1.7 when designing the column. then, in the case of 7mm uneven subsidence, the bearing capacity of the strut will be exhausted, resulting in axial bending. in order to sink as evenly as possible. the foundation shall be des igned as a torsion resistant ring foundation. in addition, it is also necessary to adopt annular foundation for spherical tanks set in seismic area.
based on the fact that the spherical tank needs overall heat treatment after welding, the spherical tank foundation should adopt the reserved hole structure, and the anchor bolts should not be embedded. during the heating and cooling process of the spherical tank, the strut will move with the thermal expansion and cold contraction of the shell. the head of the anchor bolt exposed to the foundation surface will hinder the displacement of the pillar. moreover, the reserved hole structure is also conducive to the necessary adjustment of the pillar position in the installation process to ensure the installation quality of the spherical tank.
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