旧水泥混凝土路面预防性养护与维修技术研究

发布时间：2018-12-23 12:02

【摘要】：近年来,我国的公路网建设力度不断加大,但随着路网的不断完善其密度逐步接近饱和。同时,早期修建的水泥混凝土路面随着使用年限的达到或接近,路面结构破坏日益严重。有些道路修建时间虽然不长,但由于设计施工或交通荷载的原因也出现轻微损坏的情况导致部分路面功能的丧失。所以,有必要在继续保持新建道路力度时,加强道路改建和维修的力度,以达到道路基础设施支撑国家经济发展的目的。对旧水泥混凝土路面的预防性养护与维修技术而言,首先,其可以有效阻止路面损坏的进一步发展,通过主动性养护延缓造价高昂的水泥混凝土路面的大修及重建工程,延长道路使用寿命;其次,可以恢复路面表面行驶功能,改善道路行车安全,提高驾驶员驾驶舒适性;最后,道路维修最大程度的利用了旧路强度和材料,相对新、改建道路有更好的经济性和环境保护效益。本文以G110国道工程实例为线索,从道路修建养护资料的调查搜集,旧路面检测和病害调查,病害分析及综合处治到薄层罩面加铺方案均进行了全面细致的总结分析。重点介绍了在工程中习惯采用技术方案和方法,同时补充了一些其他方法和相关理论供有关人员参考。另外,在薄层罩面的设计中引用了G110国道(昌平-延庆段)试验段的最新试验成果,对新技术和新材料在工程中的应用有一定提倡作用。
[Abstract]:In recent years, the construction of highway network in China is increasing, but with the continuous improvement of road network, the density of highway network is approaching saturation. At the same time, the early construction of cement concrete pavement with the service life of or close to, pavement structure damage is increasingly serious. Although the construction time of some roads is not long, some pavement functions are lost due to the slight damage due to the design and construction or traffic load. Therefore, it is necessary to strengthen the reconstruction and maintenance of roads while maintaining the strength of new roads, so as to achieve the purpose of supporting the national economic development by road infrastructure. For the preventive maintenance and maintenance technology of the old cement concrete pavement, first of all, it can effectively prevent the further development of the pavement damage, and delay the overhaul and reconstruction of the high cost cement concrete pavement through active maintenance. Prolonging the service life of roads; Secondly, it can restore the surface driving function of the road, improve the road driving safety, and improve the driver's driving comfort. Finally, the maintenance of the road uses the strength and material of the old road to the maximum extent, and it is relatively new that the reconstruction of the road has better economic and environmental protection benefits. Taking the G110 national highway project as a clue, this paper makes a comprehensive and detailed summary and analysis from the investigation and collection of the road construction and maintenance data, the detection of the old road surface and the disease investigation, the disease analysis and comprehensive treatment to the overlay scheme of the thin-layer overlay. This paper mainly introduces the technical scheme and method used in engineering, and supplements some other methods and related theories for reference. In addition, the latest test results of G110 national highway (Changping-Yanqing section) are cited in the design of thin layer covering, which can promote the application of new technology and materials in engineering.
【学位授予单位】：长安大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：U416.216;U418.6

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