Investigation on Thermal Stress and Prestress of a 151 m Prestressed Concrete Pavement

Paper by KAWAKAMI KAMETA ABE SATO from ISCR 7th 1994 Vienna Austria

Few prestressed concrete pavements of more than 100 m length have been constructed in order to avoid the development of cracking at early ages as well as to get design prestress. It the prestressed concrete slab is paved as long as possible, the construction period is shorter and the cost lower. This paper reports on the results of investigations carried out to prevent crack development at early ages (mainly due to the high hydration heat of the cement) and to keep the design value of prestress in the prestressed concrete pavement with a length of 151 m constructed at the New Tokyo International Airport.

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