【摘要】：公路建成通車后,因承受車輪的磨損和沖擊,受到暴雨、洪水、風(fēng)沙、冰雪、日曬、冰融等自然力的侵蝕和風(fēng)化,以及人為的破壞和修建時(shí)遺留的某些缺陷,公路使用質(zhì)量會(huì)逐漸降低。因此,公路建成通車后必須采取養(yǎng)護(hù)維修措施,并不斷進(jìn)行更新改善。公路養(yǎng)護(hù)必須及時(shí)修復(fù)損壞部分,否則將導(dǎo)致修復(fù)工程的投資加大,縮短公路的使用壽命,并給國(guó)家和人民造成經(jīng)濟(jì)財(cái)產(chǎn)損失,甚至威脅道路使用者的生命安全。傳統(tǒng)的路面維修養(yǎng)護(hù)是在路表?yè)p壞嚴(yán)重、甚至路面結(jié)構(gòu)也發(fā)生破壞之后進(jìn)行。預(yù)養(yǎng)護(hù)技術(shù)通過(guò)定期檢測(cè)路面狀況,在路面發(fā)生嚴(yán)重病害前及時(shí)發(fā)現(xiàn)路面存在的前期微小病害,并采取適當(dāng)措施對(duì)其進(jìn)行處置,從而維持良好的路用性能和道路服務(wù)水平。與傳統(tǒng)養(yǎng)護(hù)技術(shù)相比,預(yù)養(yǎng)護(hù)從公路養(yǎng)護(hù)維修的被動(dòng)狀態(tài)變?yōu)橹鲃?dòng)狀態(tài),經(jīng)濟(jì)效益和社會(huì)效益都有著顯著優(yōu)勢(shì)。對(duì)S203線瀝青路面進(jìn)行病害調(diào)查分析和道路狀況技術(shù)評(píng)定,通過(guò)對(duì)不同預(yù)防性養(yǎng)護(hù)技術(shù)的研究,應(yīng)用灌封、微表處等預(yù)養(yǎng)護(hù)技術(shù)措施于S203線養(yǎng)護(hù)工程中,以期達(dá)到預(yù)期的養(yǎng)護(hù)效果。工程應(yīng)用表明,預(yù)養(yǎng)護(hù)有效的抑制了路面病害的發(fā)展,起到了及時(shí)保護(hù)路面結(jié)構(gòu)的作用,并且在提高路用性能的同時(shí),也降低路面全壽命周期費(fèi)用,產(chǎn)生了顯著的經(jīng)濟(jì)效益和社會(huì)效益。該項(xiàng)目的驗(yàn)收完工,進(jìn)一步驗(yàn)證了預(yù)防性養(yǎng)護(hù)這一技術(shù)在公路管養(yǎng)階段的可行性、先進(jìn)性、重要性。
[Abstract]:After the highway was built and opened to traffic, it suffered from the erosion and weathering of natural forces, such as torrential rain, flood, wind and sand, snow and ice, sun, ice and melting, as well as man-made damage and some defects left over from the construction of the road, because of the wear and tear of the wheels. The quality of highway use will decrease gradually. Therefore, maintenance and repair measures must be taken after the highway is completed and opened to traffic. The maintenance of the highway must repair the damaged part in time, otherwise it will lead to the increase of the investment in the repair works, shorten the service life of the highway, cause economic and property losses to the country and people, and even threaten the life safety of the road users. The traditional pavement maintenance is carried out after the pavement surface is damaged seriously and even the pavement structure is damaged. Pre-maintenance technology through regular detection of road conditions, timely detection of road surface before serious diseases, and take appropriate measures to deal with them, so as to maintain a good road performance and road service level. Compared with traditional maintenance technology, pre-maintenance has changed from passive state of highway maintenance to active state, and has significant advantages in economic and social benefits. Through the study of different preventive maintenance techniques and the application of pre-maintenance measures such as filling seal and micro-surfacing to the maintenance engineering of S203 line, the disease investigation and analysis of asphalt pavement of S203 line and the technical evaluation of road condition are carried out. In order to achieve the desired maintenance effect. The engineering application shows that pre-maintenance can effectively restrain the development of pavement disease, protect pavement structure in time, and reduce the cost of pavement life cycle while improving the road performance. It has produced remarkable economic and social benefits. The acceptance and completion of the project further verifies the feasibility, advanced nature and importance of the preventive maintenance technology in the highway management and maintenance stage.
【學(xué)位授予單位】：長(zhǎng)安大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：U418.4

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