lower seal

  • lower seal
  • 释义

    下密封

纠错 数据更新时间:2026-06-08 11:42:45
1、

Application of Lower Seal Coat of Single Hot Bituminous Surface Treatment with Premixed Macadam to Kai-Yang Expressway

热沥青单层表处(预拌碎石)下封层在开阳高速公路的应用

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2、

Experimental Study on Emulsified Asphalt Material for Lower Seal Coat

乳化沥青下封层材料的试验研究

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3、

On the basis of the Kai Yang Expressway construction practice, the application of single hot bituminous surface treatment with premixed macadam to the lower seal coat is discussed and a foundation for the further study of bituminous seal coat design and construction given.

通过开阳高速公路下封层的施工实际,介绍和探讨预拌碎石热沥青单层表处在下封层施工中的应用,为沥青路面封层设计和施工提供有益的探索。

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4、

The upper and lower seal valve are changed from that of crank structure to straight arm structure that only actuates single action, as a result, the equipment failure rate and unscheduled down time are reduced;

上下密封阀由直动+转动的曲臂结构改为转动单一动作的直臂结构,减少了设备故障率和非计划检修时间;

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