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Preventive Maintenance Research of Asphalt Pavement of Taigan Section Daguang Expressway

Author: ZhongDeHao
Tutor: PengYuHua
School: Chang'an University
Course: Traffic and Transportation Engineering
Keywords: Expressway Asphalt pavement Preventive maintenance Technical study
CLC: U416.217
Type: Master's thesis
Year: 2013
Downloads: 21
Quote: 0
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Abstract


Along with our country more and more expressways have been put into use, a lot ofasphalt pavement with the increase of service life and heavy-load traffic operation appeareddifferent degree of damage, maintenance of expressway management department is increasing.When the serious damage of asphalt pavement and then began to take maintenance measures,will seriously affect the limited maintenance fund benefit, pavement maintenance mode of thetraditional "first after damage repair" has been unable to meet the current needs of expresswaypavement maintenance work. To change this passive situation, the most effective way is toappear before extensive damage to implement preventive maintenance on the road. Preventivemaintenance is sufficient in strength of pavement structure, pavement condition is not bad onthe surface there are plans to take measures, in order to maintain or improve the pavementperformance,prolong service life of pavement and reduce road cycle maintenance cost, itscore idea is in the best time by scientific methods to take effective preventive measures ofpavement. Preventive maintenance has the advantages of convenient construction, shortconstruction period, social and economic benefits of good advantage of the expresswayasphalt road area, take preventive maintenance is solved or effective way to alleviate thepressure on the pavement maintenance.Preventive maintenance is a kind of pavement maintenance technology system of thewhole life cycle, recommend the use of the total life cycle cost to determine the best asphaltpavement curing time (including maintenance needs time and the optimal maintenance time),comprehensive selection of optimal preventive maintenance plan to carry out preventivemaintenance of asphalt pavement. preventive maintenance technology research from theasphalt pavement structure design, pavement construction quality control, pavement in theoperation process of all kinds of disease causes of various aspects such as analysis of thecauses, puts forward corresponding preventive maintenance method, eventually forming thepreventive maintenance technology theory.In view of Jiangxi Province Taigan section Daguang expressway in asphalt pavementpreventive maintenance technology research, on the basis of the research results at home andabroad, combined with laboratory test, field test, according to the materials and constructionmethods of preventive maintenance is different, to study the preventive maintenance of roadstandard, measures, maintenance time, construction technical requirement etc.. Analysis of thevarious preventive maintenance measures for comparative analysis of economic using lifecycle cost, think in alternative solutions for preventive maintenance and construction, to theeconomic and technical indicators combined, after comprehensive consideration of choicecost-benefit the best preventive maintenance plan.

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CLC: > Transportation > Road transport > Road works > Roadbed, pavement engineering > Pavement Engineering > Road : use of the material points > Asphalt Pavement
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