Ontario Equivalent Base Length: An Appraisalby Colin O'Connor, (M.ASCE), Prof. of Civ. Engrg.; Univ. of Queensland, St. Lucia, Brisbane, Queensland, Australia, 4067,
Serial Information: Journal of the Structural Division, 1981, Vol. 107, Issue 1, Pg. 105-127
Document Type: Journal Paper
The Ontario equivalent base length concept is reviewed. This concept does not rely so much on the assumption that a vehicle can be described by two variables, the weight, W, and equivalent base length, BM but rather on the observation that the vehicle can be described by a series of points in (W, BM) space. An alternative development is given of an equivalent base called the concentrated base length, b, which is one half the Ontario base length and which introduces a location parameter, x. The validity of the base length concept is demonstrated by developing a vehicle equivalent to a hypothetical family of Australian legal vehicles. The accuracy of resultant curves of design bending moment and shear is assessed. It is concluded that reasonable accuracies can be achieved by the use of a single, nonvariable design truck, and that the Ontario method is useful and important.
Subject Headings: Space colonies | Curvature | Legal affairs | Parameters (statistics) | Moment (mechanics) | Trucks | North America | Ontario | Canada
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