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The Research for the High and Strong Stud Bolt Joint of Steel Beam and Concrete Wall with Inside Covering up Profiled Bar

Author: YuHuan
Tutor: DaiShaoBin
School: Wuhan University of Technology
Course: Structural Engineering
Keywords: Steel beams and concrete walls connected node High-strength bolts Influencing factors Finite Element
CLC: TU398.9
Type: Master's thesis
Year: 2006
Downloads: 129
Quote: 2
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Abstract


In recent years, the steel frame - shear wall structure in our country has been more widely used . Performance of steel beams and concrete walls connected nodes directly affected to a steel frame - shear wall structure , the overall performance is good or bad , so it has been more and more attention . Steel beam buried steel reinforced concrete wall high strength bolts shear connection node test , and based on the test results on the node strength , stiffness , impact factors and node stress mechanism and connecting plates constrained capacity , mainly focus on the following aspects : 1 . specifications of six bolts connecting plate thickness and bolt arrangement different node low cyclic loading test , description of the test process and test phenomenon and hysteresis curves , skeleton curves and related test results . The test results of six specimens comparative analysis to study the specifications of the high-strength bolts connecting plate thickness , bolt arrangement node performance . In addition, this paper discusses the main high-strength bolts group slip damage and bolt group calculated maximum carrying capacity of the high-strength bolts sliding failure , and the calculated data with the specification of the design capacity compared , indicating that the specification values ??are somewhat conservative reasons . 3 based on the test data on the force and deformation of each member state of the node domain analysis, restraining moment of the adapter plate and the external load and the interconnector constraint in the correspondence relationship of the moments and the beam end corner , analyzes the link plate Moment constrained capacity and wall internal node domain withstand bending moments mechanism . In addition, the study of complex stress state of the steel girder webs near the bolt hole of its strength in the local node failure , some reference value engineering . ANSYS finite element program during the test simulation, and the simulation results are compared with the test results analysis , to determine the scope of application of the finite element program in the trial of this structure . With the help of the finite element program analysis of wall stress distribution , to provide a reference for conceptual design in practical engineering . Finally, a summary of paper all work on the basis of a number of unresolved problems .

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