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Analysis of Steel Frame with Bulk Inner

Author: QianBo
Tutor: WeiJun
School: Huazhong University of Science and Technology
Course: Structural Engineering
Keywords: Rigid frame Variable density Second order analysis Nonlinear Finite Element Analysis
CLC: TU391
Type: Master's thesis
Year: 2004
Downloads: 62
Quote: 0
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Abstract


Fractionator is a device for petrochemical products fractionation , in the course of their work , the temperature reaches minus 140 degrees Celsius Therefore the fractionator work compartment temperature measures must be taken . The FON series fractionation tower is an air fractionation equipment , three large , medium and small three models in the long-term application . The various models fractionator steel structures (called cold box ) envelope and supporting some of the equipment , and then fill in the fractionator and structures pearl sand compartment temperature . The cold box peripheral steel framework structure system , to meet the process requirements , the structure of high aspect ratio , irregular facade . Over the years , this structure stereotyped in the application , the lack of study of their structure and properties . With the requirements of the market-oriented , targeted design according to the user 's specific conditions and requirements . In the initial analysis of a series of structural role of packing in hydrostatic pressure Rankine earth pressure processing , the effects of the structure with the actual situation is very inconsistent , so the internal filler role needs to be studied . The bulk inside the cold box mechanism of action is not clear ; design in the structure of the second-order effect is not taken into account or consider inaccurate universal issues such structure . Propose solutions for these two problems in the analysis process of the series fractionating tower cold box is the core of the paper . The framework of this study, with reference to the silo design reasonable assumptions on the role of the pearl sand and deduced pearl sand loads in the form of a wide-ranging discussion of its use ; withstand gravity loads high and narrow , second-order effects can not be ignored , to figure out within the packing mechanism , as well as consider the shear deformation , based on the finite element analysis theory , consider the second-order effect of this structure were analyzed using ANSYS nonlinear function ; similar structure analysis put forward a reasonable proposal , provide a useful reference for the analysis and design of the structure of the bulk material filled .

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CLC: > Industrial Technology > Building Science > Building structure > Metal structures > Steel
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