Temperature Field Division at Liupanshan Area of Ningxia for Asphalt Pavement Performance

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Abstract:

In order to choose asphalt reasonably, the asphalt pavement performance zone at Liupanshan area of Ningxia was studied according to 30 years’ climate datum. According to the statistics analysis of 30 years’ air temperature and field temperature in the hottest and coldest month, it was suggested that: the high design pavement temperature should be determined according to the average high field temperature in seven consecutive days with 98% reliability, the low design pavement temperature should be determined according to the lowest field temperature of a year with 98% reliability. This method was applied at Liupanshan area to decide the asphalt pavement’s temperature field, which was in accordance with Liupanshan area’s conditions

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12-15

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April 2012

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