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Seismic Response Analysis on Spatial Steel Structure System of 4000m~3 Blast Furnace

Author: SiChunCan
Tutor: XuShanHua
School: Xi'an University of Architecture and Technology
Course: Disaster Prevention and Reduction Engineering and Protective Engineering
Keywords: Blast furnace space steel structure system Three-dimensional space model Modal Analysis Response spectrum analysis Time history analysis
CLC: TU352.11
Type: Master's thesis
Year: 2011
Downloads: 27
Quote: 0
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Abstract


The furnace framework, the crude gas system, and the cyclone dust collector system is an important part of a large blast furnace, due to process requirements, the blast furnace frame, the crude gas dust removal system, the cyclone dust collector system criss-cross together, to determine its unique structural characteristics and structure. The blast framework not only withstand the roof silo, hopper, hot air surrounding tube equipment weight, but also bear the feeding system structure, the crude gas system load from the towering structure is a complex system. However, for a long time, the blast furnace framework, crude gas system, cyclone dust collector system design merely in the the empirically calculated supplemented by low-level stage, many of the design subject to the \Section or plane to simplify the analysis results may not fully reflect the blast furnace space steel structure system characterized by force, blast furnace space steel structure system under the earthquake dynamic response and failure mechanism is unclear. Papers with the large SAP2000 finite element program, blast furnace framework, crude gas systems and cyclone dust collector system three-dimensional computational model, the overall analysis of the blast furnace space steel structure system, the internal force and deformation in a variety of static loads According to the principles laid down by the design of steel structures (GB50017-2003), its bar strength and deformation analysis, given its design methods and recommendations. The paper uses three-dimensional spatial analysis model, the dynamic characteristics of the blast furnace space steel structure system is analyzed, its cycle, mode shapes characteristic parameters. Time history analysis method, the blast furnace space steel structure system in case of more earthquakes and severe the earthquake seismic response analysis to study the seismic performance of nonlinear dynamic response. Analysis comparing the level of earthquake blast furnace space steel structure system from different role direction (X and Y directions), the difference of the internal forces and displacements. Internal forces and deformation characteristics of the blast furnace space steel structure system to explore the blast space steel structure under seismic action weak parts of the system and the failure mechanism of seismic design method proposed blast furnace space structural system. Thesis the furnace frame format (progressive furnace the framework and mutation furnace framework), the form of the roof framework, the column base connection (articulated and rigid connection) on the deformation and internal force of the impact, blast furnace frame load value is given recommendations blast furnace space steel frame design recommendations.

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CLC: > Industrial Technology > Building Science > Building structure > Special Structure > Anti - shock structure,disaster prevention structures > Shock, isolation, and explosion-proof structure > Seismic structure
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