History of Concrete Paving In Iowa - Iowa State University Extension ...
History of Concrete Paving In Iowa - Iowa State University Extension ...
History of Concrete Paving In Iowa - Iowa State University Extension ...
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Longitudinal Joint<br />
• Prior to 1920 transverse joints<br />
12 to 35 ft intervals<br />
• 1920 to 1925 – No transverse<br />
or longitutinal joints<br />
• 1925 to 1929 – Steel or mastic<br />
longitudinal joint, No transverse