Case Study

Road Sub Base

Road Sub Base

Pages 1 Pages

Road Sub Base Interstate 294 at Golf Road, Chicago, IL Illinois State Toll Highway Authority 1998 Density: 30 pcf to 40 pcf Volume: 12,500 cy For the ongoing widening program of the Illinois Tollway system and the addition and upgrading of access ramps at Golf Road the underlying soils were very poor and could not support the burden of the proposed toll booths. Designers chose the placement of a 30 pcf and 40 pcf PROVOTON foam concrete to suppo

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