文档介绍：二灰碎石基层的施工及质量控制
摘要
我国国民经济的提高带动了我国城市道路交通事业的飞速发展,使我国城市道路交通承载量、交通量不断增加,如何提高城市道路建设质量成为了迫在眉捷的问题。路面基层作为路面结构的承重层,承担并分散了由面层传来的车辆荷载垂直应力,并且在多变的气候、水文条件下自身必须具有足够的稳定性,才能保证道路的通行能力,路面基层的质量会直接影响道路的建设质量,路面基层的施工及质量控制是道路施工中的
重要环节。二灰碎石基层具有优良的力学性能、整体性强、水硬性好,比水泥稳定碎石基层具有更好的抗裂性能和抗冻性能,且二灰碎石基层施工所用的原料来源丰富,它将工业废料粉煤灰变为良好的筑路材料,减少了占用土地和环境污染,绿色环保,并且施工方便,因而在高等级公路的建设中使用得越来越普遍。但由于施工工艺不完善以及道路运营后暴露出许多路面破坏的问题和缺陷,只有解决好二灰碎石基层施工过程出现的这些问题,把它的自身缺陷和问题克服到最低程度,才能够保证工程质量,所以研究二灰碎石基层的施工及质量控制以保证道路交通建设的质量至关重要。
本文针对当前二灰碎石基层施工的现状,对二灰碎石的基层施工技术进行了阐述,并提出了相应的质量控制对策,提出了提高二灰碎石基层施工技术和质量控制措施。为二灰碎石基层施工工艺的发展奠定了基础。
关键词:二灰碎石基层;施工工艺;质量控制Error! Reference source not found.
Abstract
China's national economy progress has led to the rapid development of road transportation in our city, our city road traffic capacity, traffic volume is increasing, how to improve the quality of city road construction has e the imminent problem. Pavement as bearing layer of pavement structure, undertake and scattered by the surface layer to load the vertical stress, and in the changing climate, hydrological conditions must possess sufficient stability, to ensure the road capacity, quality of the pavement structure of road construction quality directly influence, construction and quality control pavement is an important link in the construction of roads. Two ash macadam has excellent mechanical performance, strong integrity, good is better than that of cement stabilized macadam base crack resistance and frost resistance, and two ash macadam base construction with rich sources of raw materials, it will be industrial waste fly ash into a good road building materials, to reduce the occupation of land and the environment pollution, green environmental protection, and convenient construction, and in the construction of high-grade highways are used more and more widely. But because of the construction process is not perfect and the road operation exposed many problems and defects of pavement damage, appears only to solve two ash macadam con