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JT/TXXX-XXXX 1 瀝青混合料改性添加劑 第 6部分:溫拌劑 Modifier for asphalt mixture — Part 6: Warm mixture additive 目 次 前言 ············································································Ⅱ 1 范圍··········································································1 2 規(guī)范性引用文件· ·······························································1 3 術(shù)語(yǔ)和定義···············································
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以天定高速公路瀝青路面冬季低溫施工為研究載體,介紹了目前國(guó)內(nèi)外主要溫拌劑的技術(shù)特點(diǎn),對(duì)摻Sasobit、路益DAT和HPAS三種溫拌劑的混合料進(jìn)行技術(shù)對(duì)比檢測(cè),并進(jìn)行經(jīng)濟(jì)性分析,最后選擇效益費(fèi)用比最高的溫拌劑鋪筑試驗(yàn)路。研究結(jié)果表明:各種溫拌劑對(duì)混合料性能的影響不一,Sasobit能較顯著提高混合料的高溫性能;從溫拌劑對(duì)混合料性能的影響及經(jīng)濟(jì)性論證分析認(rèn)為HPAS具有最高的效益費(fèi)用比,最終選擇HPAS鋪筑溫拌混合料試驗(yàn)路,檢測(cè)結(jié)果證明HPAS的現(xiàn)場(chǎng)降溫幅度在40℃以上。
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