1TRB. Fulfilling the Promise of Better Roads, A Report of the TRB Long-- Term Pavement Performance Committee Transportation Research Board and The National Academies, 2001.
2LTPP 2007 Year in Review. U. S Department of Transportation Federal Highway Administration,2007.
5AASHO.The AASHO Road Tests Reports: Pavement Research highway Research Board [C] . Washington D.C. : Special Report 61E, National Academy Of Science-National Council, 1962: 1152- 1157.
7Standard Specification Graded Aggregate Material For Base or Sub Bases for Highways or Airport [M]. ASTM Document Summary, 2003 (19) Graded Aggregate Base Florida Department of Transportation, 2004.