本文選題：廠拌熱再生技術(shù) + RAP摻量�。� 參考：《北京建筑大學(xué)》2014年碩士論文

【摘要】：目前,瀝青路面的再生利用技術(shù)應(yīng)用越來越廣泛。廠拌熱再生技術(shù)是目前應(yīng)用比較廣泛、技術(shù)較先進(jìn)的瀝青路面熱再生技術(shù)。此項(xiàng)技術(shù)實(shí)現(xiàn)了廢舊瀝青混合料的有效再生,既解決了舊料隨意堆放污染環(huán)境的問題,又節(jié)約了瀝青、砂石等材料。通過高摻配的熱再生技術(shù),降低建設(shè)成本,保護(hù)生態(tài)環(huán)境,符合節(jié)能減排、環(huán)保的理念。 針對(duì)河北省省道遷曹線唐曹高速出口至曹妃甸段道路現(xiàn)狀,本論文基于瀝青混合料廠拌熱再生技術(shù),以室內(nèi)試驗(yàn)為主要研究手段,通過兩種不同再生方式對(duì)比,確定了添加高性能再生劑為老化瀝青的再生方案；采用馬歇爾級(jí)配設(shè)計(jì)方法,對(duì)RAP摻量為30%、35%、40%的高摻配率再生瀝青混合料進(jìn)行了配合比設(shè)計(jì),確定出RAP最佳摻量為30%。在RAP最佳摻量下進(jìn)行Superpave級(jí)配設(shè)計(jì)方法。利用車轍試驗(yàn)、低溫彎曲試驗(yàn)、浸水馬歇爾試驗(yàn)和凍融劈裂試評(píng)價(jià)了兩種不同設(shè)計(jì)方法下的高溫性能、低溫性能以及水穩(wěn)定性。通過分析室內(nèi)試驗(yàn)結(jié)果,得出二種設(shè)計(jì)方法設(shè)計(jì)的再生瀝青混合料性能均滿足現(xiàn)行的公路瀝青路面施工技術(shù)規(guī)范要求,實(shí)現(xiàn)了廢舊瀝青混合料有效再生。 以試驗(yàn)室再生瀝青混合料的目標(biāo)配合比設(shè)計(jì)結(jié)果為依據(jù),結(jié)合遷曹線大修工程進(jìn)行生產(chǎn)配合比設(shè)計(jì),指導(dǎo)大修工程試驗(yàn)段和正式路的鋪筑,提出再生瀝青混合料的拌和、攤鋪、碾壓等施工工藝及其質(zhì)量控制措施,并對(duì)再生瀝青路面的路用性能進(jìn)行檢測(cè)和跟蹤分析,結(jié)果表明再生瀝青路面的使用狀況良好,符合預(yù)期的目標(biāo)。 總之,通過開展廠拌熱再生技術(shù)在遷曹線大修工程的應(yīng)用研究,積累一定的經(jīng)驗(yàn)和資料,為廠拌熱再生技術(shù)在實(shí)踐工程的推廣奠定良好的基礎(chǔ)。
[Abstract]:At present, asphalt pavement recycling technology is more and more widely used. The hot recycling technology is widely used and advanced in asphalt pavement. This technology realizes the effective regeneration of the waste asphalt mixture, solves the problem of the pollution environment of the old materials, and saves the asphalt, sand and other materials. Through the technology of high mixing heat regeneration, the cost of construction is reduced, the ecological environment is protected, and the idea of energy saving and emission reduction and environmental protection is met. In view of the current situation of the highway from Cao Lintang Cao to Caofeidian section of Hebei Province, this paper is based on the asphalt mixture mixing heat regeneration technology, taking indoor test as the main research means, and contrasting two different regeneration methods. The regeneration scheme of aging asphalt was determined by adding high performance regenerative agent, and the mix ratio design of high blending ratio recycled asphalt mixture with RAP content of 30% and 35% and 40% was carried out by using Marshall grading design method, and the optimum content of RAP was determined to be 30%. The Superpave gradation design method is carried out under the best RAP content. Rutting test, low temperature bending test, immersion Marshall test and freeze-thaw splitting test were used to evaluate the high temperature performance, low temperature performance and water stability of two different design methods. Through the analysis of indoor test results, it is concluded that the performance of the recycled asphalt mixture designed by the two design methods meets the requirements of the current technical specifications for highway asphalt pavement construction, and realizes the effective regeneration of the waste asphalt mixture. Based on the design results of the objective mix ratio of the recycled asphalt mixture in the laboratory, combined with the heavy repair project of the moving Cao line to carry out the production mix ratio design, to guide the construction of the test section and the formal road of the overhaul project, the mixing and spreading of the recycled asphalt mixture are put forward. Roller compaction and other construction techniques and quality control measures, and the road performance of recycled asphalt pavement are tested and analyzed. The results show that the use of recycled asphalt pavement is in good condition, which is in line with the expected goal. In a word, through the research on the application of plant heat regeneration technology in the overhaul project of Cao transfer line, the author accumulates certain experience and data, and lays a good foundation for the popularization of plant mix heat regeneration technology in practical engineering.
【學(xué)位授予單位】：北京建筑大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：U418.8;U416.26

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本文編號(hào)：1925060