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- W2035361570 abstract "Many studies have been conducted on the abilities of jointed concrete pavements to transfer load from one slab to the next. Finite elements procedures, layered elastic back-calculations schemes, and empirical correlations have been used in the past to account for this load transfer efficiency. With the purpose of designing concrete pavements, specific load transfer efficiencies have been pre-established based on studies from in-service pavements. However, load transfer provided by friction (shear) and dowels across joints will significantly impact the resulting tensile stresses imparted by gear loads. Gear geometry, as well as position of tires relative to the joint, also influences the maximum stresses acting at the bottom of the slabs. This paper describes an analytical procedure for the calculations of stresses and deflection in concrete pavements with continuous elastic joints due to aircraft loads. The analytical methodology, which was originally developed by Skarlatos in 1949, under the supervision of H.M. Westergaard, has been in obscurity for many years. The methodology was recently brought to light by Hammons and Ioannides in 1996 in an U.S. Army Engineer Research and Development Center (ERDC) report discussing the load transfer efficiency of concrete slabs subjected to a Boeing 777 landing gear. The general equations for the solutions of stresses and deflections under point loads acting across a joint are presented and solved by numerical integration techniques. The solution technique is capable of computing stresses and deflections at any location in the loaded and adjacent slabs under any gear or load configuration. This numerical solution has been implemented into a computer program and was used to analyze a Boeing 777 landing gear moving across a joint. The computed deflections on both sides of the joint were compared to actual field measurements and with finite element predictions made by Hammons and Ioannides (1996). This simpler analytical procedure produced results that compared just as well with measured data as did the results of the more sophisticated finite element procedure. This simpler solution technique should be of great value for engineers designing and analyzing jointed concrete pavements. This analytical tool will be extended and later recommended to be used as the basis for the design and evaluation of concrete pavements for the military." @default.
- W2035361570 created "2016-06-24" @default.
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- W2035361570 date "2006-04-28" @default.
- W2035361570 modified "2023-09-23" @default.
- W2035361570 title "Analysis of Airfield Concrete Slabs Connected by Continuous Elastic Joints" @default.
- W2035361570 doi "https://doi.org/10.1061/40838(191)15" @default.
- W2035361570 hasPublicationYear "2006" @default.
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