论文信息 - Axial crushing of square tubes

Axial crushing of square tubes

Abstract The mechanics of the large deformation of a square tube under axial load is discussed. Theoretical results are substantiated by experimental results. The elastic buckling load is predicted by assuming the tube to be comprised of four plates simply supported at their edges. The highest load the tube can sustain is predicted by allowing for the development of plasticity near the corners. The mean crushing load is predicted from an incremental plasticity analysis which allows for travelling plastic hinges. Comparison with circular tube behaviour is considered and an attempt to explain some of the peculiarities is made.

[1] Y. Ohkubo,et al. MEAN CRUSHING STRENGTH OF CLOSED-HAT SECTION MEMBERS , 1974 .

[2] W. Abramowicz,et al. A KINEMATIC APPROACH TO CRUSHING OF SHELL STRUCTURES , 1979 .

[3] P D Soden,et al. Inextensional collapse of thin-walled tubes under axial compression , 1977 .

[4] T. Wierzbicki,et al. On the Crushing Mechanics of Thin-Walled Structures , 1983 .

[5] S. Reid,et al. METALLIC ENERGY DISSIPATING SYSTEMS. , 1978 .

[6] Ture Akerstrom,et al. Dynamic Crushing of Strain Rate Sensitive Box Columns , 1977 .

[7] J. M. Alexander. AN APPROXIMATE ANALYSIS OF THE COLLAPSE OF THIN CYLINDRICAL SHELLS UNDER AXIAL LOADING , 1960 .

[8] S. Timoshenko. Theory of Elastic Stability , 1936 .

[9] T.H.H. Pian. DYNAMIC RESPONSE OF THIN SHELL STRUCTURES , 1960 .

[10] W. Johnson,et al. Impact Behaviour of Small Scale Model Motor Coaches , 1972 .