History of Concrete Paving In Iowa - Iowa State University Extension ...

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Longitudinal Finishing • 12 foot by 12 inch wide by 3 inch thick wood float • Combined longitudinal and transverse motion across surface
Belting Surface • Use combined transverse and longitudinal motion with a minimum 8 inch wide belt across the surface to remove tool marks and produce a gritty texture
Page 1 and 2: Todd Hanson, PE Concrete Materials
Page 3 and 4: Concrete Pavement-Gets Iowa Out of
Page 5 and 6: 1904 1st Concrete Pavement in Iowa
Page 7 and 8: 1913 -Iowa Highway Commission Sever
Page 9 and 10: 1918 - Seedling Mile • Linn Count
Page 11 and 12: Preparation of Subgrade • 1920’
Page 13 and 14: Materials Delivered by Truck • Dr
Page 15 and 16: Other Method - Industrial Rail Cars
Page 17: Finishing Machine • Operated on s
Page 21 and 22: 7 day -2” of Wet Earth Cure
Page 23 and 24: Alternate Curing Methods Curecrete
Page 25 and 26: Expansion Joints • 1930 & later -
Page 27 and 28: 1925 - Mixing by Weight • Variabl
Page 29 and 30: Bulk Cement in Rail Car • Bulk ce
Page 31 and 32: 1937 - Vibration • Operated at no
Page 33 and 34: Early 1950’s - Center Parting Str
Page 35 and 36: Development of Slip Form Paver •
Page 37 and 38: 1955 - 1 st Commercial Slip form pa
Page 39 and 40: Pavement Design • Uniform depth u
Page 41 and 42: Load Transfer • 1958 to 1969 - 20
Page 43 and 44: Interstate CRC Paving • 1966 - Ea
Page 45 and 46: 1960’s -Iowa Special Trimmer/Plac
Page 47 and 48: Concrete Overlays • Concrete over
Page 49 and 50: 1976 - Tining • Guidelines for Sk
Page 51 and 52: Water Reducers & Fly ash • 1974 W
Page 53 and 54: Maturity Method to Determine Openin
Page 55 and 56: Stringless Paving • Washington co
Page 57: Structures - Iowa Firsts Questions

History of Concrete Paving In Iowa - Iowa State University Extension ...

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