The American Concrete Institute (ACI) is a non-profit technical society and standard developing organization

Standards organization

A standards organization, standards body, standards developing organization , or standards setting organization is any organization whose primary activities are developing, coordinating, promulgating, revising, amending, reissuing, interpreting, or otherwise producing technical standards that are...

 (SDO). ACI was founded in 1904 and its headquarters are currently located in Farmington Hills, Michigan

Farmington Hills, Michigan

Farmington Hills is a community in southeastern Michigan. It is the largest city in Oakland County in the U.S. state of Michigan. Its population was 79,740 at the 2010 census...

, USA

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

.

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.

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)

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. Notable recipients include:

• 1917: Abraham Burton Cohen
  Abraham Burton Cohen
  Abraham Burton Cohen was an American civil engineer notable for his role in designing innovative and record-breaking concrete bridges such as the Delaware, Lackawanna and Western Railroad's Tunkhannock Viaduct, the world's largest concrete structure when completed...
  
  
• 1922: Harold M. Westergaard
• 1933: Charles S. Whitney
  Ammann & Whitney
  Ammann & Whitney is a full-service architecture and engineering firm that provides design and construction services for public and private sector projects...
  
  
• 1935: Hardy Cross
  Hardy Cross
  Hardy Cross, 1885–1959, born in Nansemond County, Virginia, was a U.S. structural engineer and the developer of the moment distribution method for structural calculation of large buildings. The method was in general use from c.1935 until c.1960 when it was gradually superseded by other methods...
  
  
• 1950: Chester P. Siess, George E. Beggs and Nathan M. Newmark
  Nathan M. Newmark
  Nathan Mortimore Newmark was an American structural engineer and academic. He was awarded the National Medal of Science for engineering.-Early life:...
  
  
• 1953: Charles S. Whitney
  Ammann & Whitney
  Ammann & Whitney is a full-service architecture and engineering firm that provides design and construction services for public and private sector projects...
  
  , Boyd Anderson and Mario Salvadori
  Mario Salvadori
  Mario G. Salvadori was a structural engineer and professor of both civil engineering and architecture at Columbia University.-Early life:...
  
  
• 1971: Fazlur Khan
  Fazlur Khan
  Fazlur Rahman Khan was a Bangladeshi born architect and structural engineer. He is a central figure behind the "Second Chicago School" of architecture, and is regarded as the "Father of tubular design for high-rises"...
  
  and Mark Fintel