Evaluation of Pavement Support for Pavement Design
作者： Wujun Zhou , Pangil Choi , Sung Woo Ryu , Moon C. Won
DOI: 10.1061/(ASCE)TE.1943-5436.0000783
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摘要: AbstractIt is well-known that the performance of Portland cement concrete (PCC) pavement depends, to a great extent, on support condition under slab. The Texas Department Transportation (TXDOT) recognized importance and requires use stabilized base, either 10.16-cm hot mix asphalt layer or minimum 2.54-cm over 15.24-cm cement-stabilized layer. For design purposes, 81.4 MPa/m has been used as default value for modulus subgrade reaction (k value) provided by these bases. single k in rigid was partly because insensitivity required slab thickness current TXDOT procedure. To improve design, developed new procedure continuously reinforced (CRCP) basis mechanistic-empirical principles plans t...
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