
Standard Specifications For Transportation Materials And Methods Of Sampling And Testing, 31Th Edition And Aashto Provisional Standards, 2011 Edition
出版:American Association of State Highway and Transportation Officials

专家解读视频
Provides 363 materials specifications and test methods commonly used in the construction of highway facilities, including 75 revised and 3 new specs and test methods.
Also available in CD-ROM format, See AASHTO HM CD. Also available in a set of Book and CD-ROM, see AASHTO HM SET. 31ED 2011 will be available in late July. (07/2011)