history of aci
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1904-1909
Inaugural convention of theNational Association ofCement Users (NACU)
organized
Making concrete blocks, 1904
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1904-1909
Richard L. Humphrey chosen
as first President
Richard L. Humphrey
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1910-1914
First building codeappeared
Name changed
to AmericanConcrete Institute
Grafton Bridge, 1910
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1915-1919
Leonard C. Wason, ACIs second President
ACI assists war effort; war curtails activities,convention delayed
U.S.S. Selma, 1919
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1915-1919
ACI headquarters established
in Detroit;Harvey Whipple appointedSecretary
Harvey Whipple
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1920-1924
Committees arranged bygroups and numbered forfirst time
20th anniversary of ACI;standard reinforcing barsizes adopted
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1925-1929
Richard L. Humphrey leaves Board after 21 years,named the first ACI Honorary Member
Membership passes 2000
Hangar at Orly Airport, 1921
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1925-1929
First edition of Concrete Primerby F.R. McMillan published
The ACI Journalintroduced andpublished 10 times per year
F.R. McMillan
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1930-1934
Depression bringscost cutting and
reduction of Journalpages; budget cutsforce limit on paper
length
Financial crisiscontinues; Journalissues reduced to fiveissues per year
Hoover Dam, 1933
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1935-1939
Effects of the Depressiondiminish; membershiplevel stable after lossesduring the Depression
First Reinforced ConcreteDesign Handbookonworking stress design
publishedHangar in Italy, 1936
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1940-1944
First Building Code underACI 318 issued; ACI Manual
of Concrete Inspectionpublished
ACI turns its attention to thewar effort; speeding theresults of important
committee work into printgiven priority Self-propelled concrete shipbuilt during World War II (1942)
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1945-1949
First ACI Book of Standardsissued
Technical ActivitiesCommittee (TAC)formed
ACI Committee 115 meeting, 1948
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1950-1954
Membership passed 5000; first
joint committee formed withASCE
Harvey Whipple retired after32 years; William A. Maplesappointed Secretary-Treasurer
William A. Maples
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1955-1959
Revised Building Code adopted with an appendix onultimate strength design
ACI headquarters building erected in Detroit
ACI headquarters building, Detroit, Michigan, 1957
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1955-1959
First local chapter in SouthernCalifornia organized
Journalmodernized by use of
cover photo;membership topped 10,000
Sam Hobbs, Secretary-Treasurerof Southern California Chapter,
1958-1974
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1960-1964
Institute chapter formedin Japan
First edition of Formwork forConcrete(SP-4) published
New ACI logo and mottointroduced
ACIs new logo, 1964
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1965-1969
First commentary to theBuilding Code published;Institute income exceeds$500,000
Book of Standardssucceeded by ACI Manualof Concrete Practice
Constructing Habitat 67in Quebec
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1965-1969
Katharine Mather, first femaleBoard of Direction member
First ACI educational seminarheld
Katharine Mather
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1970-1974
Educational ActivitiesCommittee (EAC) formed
Membership grade ofFellow established
CEB meeting at ACI, 1975
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1975-1979
Maples retires after
27 years; George F. Leyhbecomes ExecutiveDirector
ACIs 75th anniversarycelebrated
Concrete Internationalfirst
publishedSmithsonian exhibit honoringACIs 75th anniversary, 1979
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1980-1984
Local chapters total more than 50 with addition of newchapters in Israel and Korea
First student chapters established ACI certification program launched
Pasco-Kennewick Intercity Bridge
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1985-1989
ACI Structural Journaland ACIMaterials Journaldebut
10,000 technicians certified in theACI Concrete Field TestingTechnician Grade I program
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1985-1989
ACI 318 Building Code andCommentary appearside-by-side for first time
Metric edition of 318-89available
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1990-1994
ACI assumes Secretariat for ISO/TC-71
Manual of Concrete Practiceavailable on CD-ROM
ISO Plenary Session
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1995-1999
Completion of new ACI headquarters
ACI website launched
George F. Leyh retires;James G. Toscasbecomes ExecutiveVice President
ACI headquarters, 1996
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1995-1999
Jo Coke becomes ACIs firstfemale president
Concrete Repair Manualpublished jointly with theInternational Concrete RepairInstitute
Jo Coke
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2000-2004
200,000 certification exams administered
ACI 318-02 Building Code features most comprehensive
revision of code since 1971
First Structural Concrete
in the AmericasWorkshop held with14 countries
participating
Structural Concrete in the Americas
Workshop, 2002
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2000-2004
William R. Tolley
named ExecutiveVice President
U.S. House of
Representativespasses resolutioncommending ACI on
its 100th anniversary
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