The Mechanical Behavior Research Of Steel Structure High Strength Bolts

Abstract:For of steel structure, the connection occupies a very important position, which directly affects the strength of the stability and carrying capacity of the entire life cycle of Of steel structure system. In other industries such as automotive, steel connection has also been very frequent applications. Therefore, the study of Of steel structure connecting bolts connecting The mechanical behavior in particular is a very important significance.First, this paper describes several plain main mechanical properties of high strength bolts and their respective detection method has been proven. Then most of the performance in practical applications, but also the final strength bolts important intrinsic properties of the material-the elastic modulus of a detailed study, the high-strength bolt according to the elastic modulus measured in a tensile test data obtained difference predictive inference. Finally, relying on a theoretical basis for its accounting, the accuracy of the calculation of the effective elastic moduli while checking in predicting measurement methods.This paper studies the work are:1. Several of the mechanical properties of high strength bolts brief statement detailing the significance of the elastic modulus of concrete, several methods of analysis of the measurement of elastic modulus and its advantages and disadvantages, applicability of the judgment.2. For several common specifications10.9bolt tensile test, the test is not only different readings means, while at the measuring point has done a considerable deal. Infer the composition of the material itself, according to the same size bolt in a different disposal measured test results and high strength bolts of different production process itself, some of the processing methods.3. Use effective elastic moduli of composite materials research methods elastic modulus of materials of high strength bolts forecast calculations. By explaining the methods and numerical methods-Voigt, etc. Reuss stress strain assumptions and assumptions, such as the finite element method of accounting and the center of gravity to verify the effective elastic modulus of high strength bolts.4. Finally, the research done in this article summarize the reasons for the differences in the measured elastic modulus and its necessity are summarized.