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Finite Element Analysis on Static Behavior of Spatial RHS TT-joints

Author: XuDan
Tutor: XuDeXin
School: Wuhan University
Course: Structural Engineering
Keywords: Square steel tube T-shaped node TT - shaped node Finite Element Analysis Ultimate bearing capacity
CLC: TU392.3
Type: Master's thesis
Year: 2005
Downloads: 129
Quote: 3
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Abstract


Steel structure with superior structural performance and can create a pleasing visual effects, and more widely used in the engineering sector. Directly welded square tube structure and the tube structure compared to another of its prominent advantages of the tube structure of the branched pipe space Intersecting cutting at the node, the process is complex, and soldered directly to the square tube structure at the node need only a simple cutting plane, greatly simplifying the process and reducing costs. Thus, more and more attention and people to each other tubular structure. This article mainly through large-scale finite element software ANSYS analysis on static behavior of the RHS JOINTS soldered directly to the space. Solid modeling, the failure modes of the plane nodes and nodes in space, ultimate bearing capacity for comparative analysis, focusing on the the node three geometric parameters: the width of the branch pipe with the competent width ratio beta, in charge of the width of wall thickness ratio gamma branch pipe wall thickness and wall thickness in charge of the ratio τ Finally, by summing each factor to the bearing capacity size, the contrast space the bearing capacity of nodes and a flat-screen, the presence of the plane strut on the ultimate bearing capacity of the nodes in space space square tube node bearing capacity. The full text is divided into five chapters. The first chapter briefly introduced in the form of steel structure, characteristics, development and application of steel tubular joint ultimate bearing capacity of the research methodology and research status. The second chapter introduces the basic theory of elastic-plastic theory and finite element. Chapter finite element analysis software ANSYS finite element model of the plane T-shaped space TT type RHS node. Chapter calculated by computer simulation of different geometric parameters of the changed node node ultimate bearing capacity of the results of analysis of the influence of various parameters on the ultimate bearing capacity of node, compared to the plane nodes and nodes in space ultimate bearing capacity of the plane branch the presence of the lever on the ultimate bearing capacity of node size. The fifth chapter of the full text of the summary, and pointed out that the steel structure also need further study and discussion of issues and looking forward to the broad prospects for development of the steel structure. The perfect space square tube node finite element analysis, the space node ultimate bearing capacity factors and size, a certain reference value for engineering design.

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CLC: > Industrial Technology > Building Science > Building structure > Metal structures > Various types of steel > Steel structure
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