New Formulas for Stresses in Concrete Pavements of Airfields

Abstract
The stresses investigated here are caused by loads. The load is a pressure transmitted through the oblong “footprint” of a tire of a landing gear. Three positions of this load are considered: The first is at a considerable distance from any edge or joint, in the interior of the area of a panel of the pavement; the second position is next to an edge or next to a joint that has no capacity for load transfer, but is at an appreciable distance from any corner of the panel; the third position is next to a joint that permits some transfer of load to the adjacent panel, but is at an appreciable distance from any corner of the panel. Formulas are given for stresses and deflections caused by such loads. The significant stresses are tensile stresses at the bottom of the slab. A fourth position of the load, at a comer of a panel, by which significant tensile stresses are produced at the top of the slab, is also important, but is not considered herein.

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