Research into the problem of the design and control of flexible pavement construction has resulted in the use of empirical and arbitrary solutions consisting of general theories for determining pavement thickness, gradation of aggregate, percent of bitumen, base requirements, etc. A desirable method would be one that is applicable to all aggregate, bitumen, and subgrade conditions. Until such a procedure is available, a determination of existing procedures are the immediate problems of highway engineers.
Digital Object Identifier
Kentucky Highway Materials Research Laboratory, "Proposed Field and Laboratory Study of Flexible Pavements" (1946). Kentucky Transportation Center Research Report. 1319.