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A platform for research: civil engineering, architecture and urbanism
An analogy between radially-loaded rubber bush mountings and axially-loaded bonded rubber blocks
Highlights ► Radial stiffness of cylindrical rubber bush. ► Analogy between rubber bush and tandem rubber blocks. ► Consequent modification of experimental results. ► Comparison with analytical theoretical values.
Abstract The validity of the widely-quoted experimental data for the reduced radial stiffness of a cylindrical rubber bush mounting of finite length is discussed by proposing an analogy between such a bush and two tandem cylindrical rubber blocks of circular cross-section which are axially loaded. Previously-derived expressions for the radial stiffness of a finite-length cylindrical bush and the apparent Young’s modulus of an axially-loaded bonded rubber block of circular cross-section are exploited. This leads to an adaptation of the data that incorporates the possible failure of the bushes due to internal rupture. The analytically-derived values of this stiffness are demonstrated to have improved agreement with these appropriately modified data. Representative numerical results are presented for a range of bushes in tabular and graphical forms.
An analogy between radially-loaded rubber bush mountings and axially-loaded bonded rubber blocks
Highlights ► Radial stiffness of cylindrical rubber bush. ► Analogy between rubber bush and tandem rubber blocks. ► Consequent modification of experimental results. ► Comparison with analytical theoretical values.
Abstract The validity of the widely-quoted experimental data for the reduced radial stiffness of a cylindrical rubber bush mounting of finite length is discussed by proposing an analogy between such a bush and two tandem cylindrical rubber blocks of circular cross-section which are axially loaded. Previously-derived expressions for the radial stiffness of a finite-length cylindrical bush and the apparent Young’s modulus of an axially-loaded bonded rubber block of circular cross-section are exploited. This leads to an adaptation of the data that incorporates the possible failure of the bushes due to internal rupture. The analytically-derived values of this stiffness are demonstrated to have improved agreement with these appropriately modified data. Representative numerical results are presented for a range of bushes in tabular and graphical forms.
An analogy between radially-loaded rubber bush mountings and axially-loaded bonded rubber blocks
Tupholme, G.E. (author)
2011-05-25
5 pages
Article (Journal)
Electronic Resource
English
An analogy between radially-loaded rubber bush mountings and axially-loaded bonded rubber blocks
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