【摘要】：為分析不同因素對(duì)摻加抗車(chē)轍劑的瀝青混合料高溫性能的影響及顯著程度,試驗(yàn)選取3種成分各異的抗車(chē)轍劑,通過(guò)室內(nèi)馬歇爾試驗(yàn)、國(guó)產(chǎn)車(chē)轍試驗(yàn)及漢堡車(chē)轍試驗(yàn),并采用正交試驗(yàn)方法,探討抗車(chē)轍劑種類(lèi)、摻量及混合料級(jí)配等因素對(duì)瀝青混合料高溫性能的影響規(guī)律及顯著性水平。研究結(jié)果表明:不同因素對(duì)混合料高溫性能的影響強(qiáng)弱差異明顯,具體為:抗車(chē)轍劑種類(lèi)抗車(chē)轍劑摻量級(jí)配類(lèi)型,且試驗(yàn)方法影響不同因素的顯著性水平;抗車(chē)轍劑PR對(duì)混合料高溫性能的改善效果最佳,其次為抗車(chē)轍劑RA,抗車(chē)轍劑Duroflex的效果相對(duì)較差。隨著抗車(chē)轍劑摻量的增加,混合料高溫性能的改善程度逐漸減弱。其混合料高溫性能影響各因素水平組合較好方案為"PR抗車(chē)轍劑+0.45%車(chē)轍劑摻量+AC-16型礦料級(jí)配"。研究成果為抗車(chē)轍劑的選擇、合理?yè)搅看_定以及混合料高溫性能的優(yōu)化提供參考指導(dǎo)。
[Abstract]:In order to analyze the influence of different factors on the high temperature performance of asphalt mixture mixed with anti-rutting agent, three kinds of anti-rutting agents with different compositions were selected, which were tested by Marshall test, domestic rutting test and Hamburg rutting test. By using orthogonal test method, the influence law and significance level of anti-rutting agent type, content and mixture gradation on the high temperature performance of asphalt mixture are discussed. The results show that: the influence of different factors on the high temperature performance of the mixture is significant difference, specifically: the type of anti-rutting agent, anti-rutting agent admixture type, and test methods affect the significance level of different factors; The anti-rutting agent PR has the best effect on the high temperature performance of the mixture, followed by the anti-rutting agent RA, and the anti-rutting agent Duroflex. With the increase of anti-rutting agent content, the improvement degree of high temperature performance of mixture gradually weakened. The better combination of the factors affecting the high temperature performance of the mixture is "PR rutting resistance agent 0.45% rutting agent added AC-16 type ore gradation". The research results provide a reference for the selection of anti-rutting agent, the determination of reasonable dosage and the optimization of high temperature performance of mixture.
【作者單位】： 長(zhǎng)安大學(xué)特殊地區(qū)公路工程教育部重點(diǎn)實(shí)驗(yàn)室;阜陽(yáng)師范學(xué)院信息工程學(xué)院;
【基金】：陜西省交通科技資助項(xiàng)目(2014-01K)
【分類(lèi)號(hào)】：U414

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