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State Materials Office

Office Manager
Timothy J. Ruelke P.E.
Director, Office of Materials

5007 N.E. 39th Avenue
Gainesville, FL 32609

Tel: 352-955-6600
Fax: 352-955-6644
E-Mail Us

Additional Contacts
Staff Directory

FDOT: State Materials Office


The Florida Department of Transportation's Materials Program ensures that the materials used in transportation construction projects meet the required department specifications. In addition, the program investigates new and emerging technologies to improve the long-term performance of transportation facilities. Learn More


Optimizing the Use of the Thermal Integrity System for Evaluating Auger-Cast Piles (Summary)
Posted: August 11, 2016
Research Report BDV25-977-09

Field Device to Measure Viscosity, Density and Other Slurry Properties in Drilled Shafts (Summary)
Posted: August 4, 2016
Research Report BDV25-977-08

New ASTM Designation for High Strength Structural Bolts
Posted: August 1, 2016
Materials Bulletin 07-16; DCE Memorandum 10-16

Buy America Requirements - All Producers
Posted: July 12, 2016
Materials Bulletin 06-16; DCE Memorandum 08-16

Effects of Chemical and Mineral Admixtures on Performance of Florida Structural Concrete (Summary)
Posted: July 8, 2016
Research Report BDV25-977-02