季凍區(qū)水泥砼路面改造施工工藝研究
[Abstract]:A considerable part of the cement concrete pavement built in the early period of Jilin Province has been close to the design years, some of which have not been achieved, but the traffic volume caused by the rapid development of the economy has increased dramatically, resulting in serious damage to the cement concrete pavement. It affects the ride comfort, reduces the service life, and needs to be overlaid and rebuilt. Based on the reconstruction of Yingbai highway project and the actual engineering needs, this paper analyzes the causes of cement concrete pavement disease on the basis of indoor research and a large number of disease investigation. First of all, we know and master the damaged condition of the original cement concrete pavement slab, the strength of the face slab and the soil foundation, and make a certain evaluation of the pavement structure, and then on the basis of analyzing the causes of the cement concrete disease, This paper puts forward a variety of pavement repair methods and builds a test road, there are 13 kinds of pavement structure forms, including: directly overlaying asphalt concrete surface, laying rubber modified stress absorption layer, macadam transformation, adding semi-rigid base, Seams were treated with overlay, and long-term observation was made on the test road. Thirdly, according to the characteristics of cement concrete pavement, the mechanics analysis of pavement structure with different maintenance methods is carried out. On the basis of the above, the maintenance and reconstruction scheme of cement pavement is recommended. Finally, This paper summarizes the construction technology of cement concrete pavement and puts forward the old cement concrete pavement technology suitable for the climate of Jilin Province and the characteristics of vehicle composition.
【學(xué)位授予單位】:吉林建筑大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2014
【分類(lèi)號(hào)】:U416.216
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