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Research on Simplified Model and Calculation Method of Flush End-Plate Connections

Author: LiuChunYang
Tutor: ZhouHongBin
School: Yanshan University
Course: Structural Engineering
Keywords: Steel Structure End plate connection Finite Element Numerical Simulation Mechanical model
CLC: TU391
Type: Master's thesis
Year: 2010
Downloads: 54
Quote: 0
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Abstract


The end plate connection is one of the nodes are connected in the form commonly used at home and abroad , but different countries to standardize the calculation method . In our country , the specification of the end plates connected computing models and methods not clear calculation requirements , only the configuration requirements , lead to the specification according to the actual design of steel structures . This article thought flush end plate connection node design provides improved computational mechanics model and calculation methods for the purpose of using three-dimensional finite element model of the flush end plate connection node of factors parameters of this connection in the form of pass force path , and the improved flush with the end plate connected to the mechanical model and calculation methods on the basis of the analysis of the existing model at home and abroad , and provide reference and basis for the design of China's steel flush end plate connection . For this reason, as research papers . (1) through the literature search , the national standardized calculation method grouped into two categories, Eurocode (EC3) and the German specification (DIN18800) as the representative . Analysis of a mechanical model of the two models , the force transmission path and computational methods . ( 2 ) using three-dimensional finite element analysis software -ANSYS solid finite element model of the end plate connection , verification and test of the validity of the model . The comparison shows the results of the test and finite element bolt pre - tension and contact entities analysis model can simulate the actual situation . ( 3) using the validated finite element model of the connection node of the end plate end plate thickness , the thickness of the stiffener , bolts the distance and bolts of the top flange to web distance parameter analysis , flush end plate connection the impact factors of the nodes and the load path . ( 4 ) the establishment of a flush end plate connection Improved mechanical model and calculation methods . The calculation method has higher accuracy than the German specification (DIN18800) and Eurocode (EC3) , calculated results closer to the actual situation . ( 5) engineering examples illustrate the mechanics of this improved model and calculation methods in practical engineering applications . Provide a valuable reference and basis for China's steel structure node design .

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