The American Concrete Institute has introduced four new publications to educate and inform industry professionals on the newest concreterelated information and technology.
Titles are: Report on Soil Cement (230.1R-09), Specification for Cast-In- Place Concrete Pipe (346-09), Guide for Specifying Underground Shotcrete (506.5R-09), and Requirements for Design of a Special Unbonded Post- Tensioned Precast Shear Wall (ITG 5.2-09).
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