The American Concrete Institute (ACI) is a non-profit technical society and standard developing organization (SDO . ACI was founded in 1904 and its headquarters are currently located in Farmington Hills, Michigan United States ACI:A Century of Progress

ACI History

1904-1929: A lack of standards for making concrete blocks resulted in a negative perception of concrete for construction. An editorial by Charles C. Brown in the September 1904 issue of Municipal Engineering discussed the idea of forming an organization to bring order and standard practices to the industry.Charles C. Brown, Municipal Engineering,1904

Certification Programs

ACI Aggregate Technician Certification Program

*Aggregate Base Testing Technician *Aggregate Testing Technician - Level 1 *Aggregate Testing Technician - Level 2 *Field Aggregate Testing Technician *Laboratory Aggregate Testing Technician

ACI Craftsman Certification Program

*Commercial/Industrial Flatwork Specialist – High Tolerance *Commercial/Industrial Flatwork Specialist – Silica Fume *Commercial/Industrial Flatwork Specialist – Surface Treatments *Concrete Flatwork Finisher/Technician *Specialty Commercial/Industrial Concrete Flatwork Finisher/Technician

ACI Field Technician Certification Program

*Concrete Field Testing Technician - Grade I *CSA-Based Concrete Field Testing Technician Grade I (Canada Only)

ACI Inspector Certification Program

*Associate Concrete Transportation Construction Inspector *Concrete Construction Special Inspector *Concrete Transportation Construction Inspector *CSA-Based Concrete Construction Special Inspector (Canada Only)

ACI Laboratory Technician Certification Program

*Concrete Laboratory Testing Technician - Level 1 *Concrete Laboratory Testing Technician - Level 2 *Concrete Strength Testing Technician

ACI Shotcrete Nozzleman

*Shotcrete Nozzleman (Dry-Mix Process) *Shotcrete Nozzleman (Wet-Mix Process)

ACI Tilt-Up Certification Program

*Tilt-Up Supervisor & Technician

Awards

The Wason Medal for Most Meritorious Paper has been awarded each year since 1917 to the author or authors of a paper published by ACI.lt;/ref> Notable recipients include: * 1917: Abraham Burton Cohen * 1922: Harold M. Westergaard * 1933: Ammann & Whitney * 1935: Hardy Cross * 1950: Chester P. Siess, George E. Beggs and Nathan M. Newmark * 1953: Ammann & Whitney Boyd Anderson and Mario Salvadori * 1971: Fazlur Khan and Mark Fintel

References

External links

* http://www.concrete.org/ American Concrete Institute] official website Category:Scientific societies Category:Industry trade groups based in the United States de:American Concrete Institute fa:موسسه بتن آمریکا