This paper emphasizes the theoretical foundation, construction technology and practical effect of high-grade road-surface concrete mixed with fly ash.

为了更好地在路面推广应用粉煤灰，本文着重介绍在高等级路面砼中掺用粉煤灰的理论依据，施工技术及工程应用效果。

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The evaluation showed that the high temperature stability, low temperature cracking resistance, aging resistance and temperature susceptibility meet the requirements of high grade road asphalt.

路用性能评价表明，沥青的高温稳定性、低温抗裂性、抗老化性和感温性等性能完全满足铺筑高等级公路的要求。 该产品正应用于国内高速公路的建设。

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The SBR modified asphalt which has good low temperature property is widely used for high grade road paving.

SBR改性沥青具有优良的低温性能，广泛应用于高等级道路的铺筑中。

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In building the motorway, planners made sure that Northern Ireland became the first region, outside England, to have a motorway-grade road.

BBC: The M1 celebrates its 50th birthday

The Grade II-listed building in Kenwood Park Road was built in 1893 and launched its first professional season in January after 118 years of amateur dramatics.

BBC: Broadway director Ruth Carney moves to Sheffield theatre

The Grade II-listed building, on Whiteladies Road, was owned by Odeon, which ran it as a three-screen cinema before selling it in November 2001 - almost 80 years after it opened.

BBC: Whiteladies Picture House campaign receives boost