The elasticity and resistance of the materials of engineering (1883)
Burr, William H. (William Hubert), 1851-1934 · New York, J. Wiley & sons · leaf 683
uch simplified for all ordinary cases.From what has preceded : When e is small : sin-^ -— = —-; ^ = ^2Rd -\- d^ ; and (R - cy^ = R--^^ nearly.Substituting in Eq. (4): ^^ rWVe)^^^^-^^ .... (5) Hence, as ^is small, nearly : p^R^f2W^^+^ (6) Or, for length /: P = RI^/2W^^±^ (7) A simple expression for… … Fig.2 portion of the conical roller whose length is dz. Let R-^ be theradius of the base. The radius of the section under consider-ation will then be : R^-^R.; and the weight it will sustain :
Strength of materials · Building materials
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