本文選題：農(nóng)村公路 + 凍土�。� 參考：《長安大學(xué)》2015年碩士論文

【摘要】：在凍土地區(qū)修建公路,如何徹底治理多年凍土目前尚屬世界性難題,世界各國都在積極尋找解決方案,但目前對于多年凍土還沒有根治的方法,可供借鑒經(jīng)驗(yàn)也不多,而且各地的凍土還有各自特點(diǎn),對于別人的經(jīng)驗(yàn)也不能全盤使用。尤其是農(nóng)村公路,受投資限制,要想根治凍土病害的發(fā)生,難度很大。如在修建公路過程,對凍土不能妥善處理,建成后凍土病害將逐漸發(fā)生,將影響公路運(yùn)營功能,嚴(yán)重的將影響行車安全。為了解決低投資的農(nóng)村公路在修建過程中有效治理凍土,最大程度減少凍土病害發(fā)生,論文針對大興安嶺地區(qū)凍土現(xiàn)狀及農(nóng)村公路投資情況,對凍土路段修建的農(nóng)村公路施工的關(guān)鍵技術(shù)進(jìn)行了研究,找出了經(jīng)濟(jì)、合理、可行的方案,并得到了推廣。論文通過總結(jié)以往修建公路凍土病害情況,在收集凍土相關(guān)資料并進(jìn)行分析的基礎(chǔ)上,對已完工程病害情況進(jìn)行調(diào)查統(tǒng)計(jì)、病害分析,研究大興安嶺地區(qū)凍土病害產(chǎn)生的主要原因及主要處治方案;通過對不同處治方案效果、造價(jià)進(jìn)行分析,在確保路面設(shè)計(jì)壽命周期內(nèi)或大修期內(nèi)不影響使用性能情況下,考慮農(nóng)村公路建設(shè)投資情況,研究最佳方案;通過對具體工程進(jìn)行實(shí)施及觀測,最終確定方案可行性,確定適宜大興安嶺地區(qū)農(nóng)村公路凍土處治的最佳方案。
[Abstract]:How to control permafrost thoroughly is still a worldwide problem in the construction of highway in permafrost regions. Countries all over the world are actively looking for solutions, but at present there is no radical cure for permafrost, and there are few experiences for reference. And the local frozen soil has its own characteristics, the experience of others can not be fully used. Especially the rural highway is restricted by investment, it is very difficult to cure the frozen soil disease. If the frozen soil can not be properly treated in the process of highway construction, the frozen soil disease will occur gradually after completion, which will affect the road operation function and seriously affect the safety of the traffic. In order to solve the problem of effectively controlling frozen soil and minimizing the occurrence of permafrost disease in the construction process of low-investment rural highway, this paper aims at the present situation of frozen soil in Daxing'anling region and the investment situation of rural highway. This paper studies the key technology of rural highway construction in frozen soil section, finds out the economic, reasonable and feasible scheme, and it is popularized. In this paper, through summing up the situation of the frozen soil diseases in the past, on the basis of collecting and analyzing the relevant data of frozen soil, the paper investigates and statistics the disease situation of the completed projects, and analyzes the diseases. This paper studies the main causes of permafrost diseases in Daxing'anling region and the main treatment schemes. By analyzing the effect and cost of different treatment schemes, it ensures that the pavement design life cycle or overhaul period will not affect the performance of the pavement. Considering the investment situation of rural highway construction, the best scheme is studied, and the feasibility of the scheme is finally determined through the implementation and observation of the concrete project, and the best scheme for the treatment of frozen soil of rural highway in Daxing'anling region is determined.
【學(xué)位授予單位】：長安大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：U416.16

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