亭枫公路“白改黑”工程的施工工艺和质量控制

钟 璎

(上海市公路管理处)

摘要：“白改黑”工程指水泥混凝土路面上加铺沥青混凝土面层的改造工程，其基层稳固处理有注浆稳固、断裂稳固和破碎稳固等方法，适用于不同的路况。本市公路从2001年起实施的此类工程初以注浆稳固法为主，去年开始尝试其他稳固处理方法。 本文详尽介绍了采用注浆稳固法的“白改黑”工程的工艺、质量控制方法和工后观测结果。

 关键词：“白改黑”； 注浆稳固；工艺；质量

                Construction Technology and Quality Control of The“Add-surfacing

                 AC Layer on the PCC” Project in TingFeng Highway

                          ZHONG Ying

Abstract: The “Add-surfacing AC Layer on the PCC” Projects refer to the rehabilitation projects in which a layer of asphalt is paved on the damaged cement pavement. In this construction technique, different ways of  base stability disposal, such as grouting stability, fracture stability ,and crumbling stability, are used to deal with different damaged cement pavement conditions. In Shanghai, injection stability was used in this kind of road maintenance projects from 2001, but from last year, the other two base stability methods also began to be used. This article introduces, in details, the construction technology, quality control and follow-up survey  of “Add-surfacing AC Layer on the PCC” projects using injection stability.

Key words:  Add-surfacing AC Layer on the PCC, injection stability, technique, quality