本文關(guān)鍵詞： 橡膠顆粒 組成設(shè)計(jì) 除冰 評(píng)價(jià)指標(biāo)　出處：《內(nèi)蒙古農(nóng)業(yè)大學(xué)》2014年碩士論文　論文類型：學(xué)位論文

【摘要】：近年來,橡膠顆粒瀝青混合料作為一種主動(dòng)型除冰雪的功能性材料被廣泛研究,國內(nèi)已有很多成功實(shí)例表明了其有效的破冰效果。目前對(duì)破冰效果的評(píng)價(jià)指標(biāo)主要有破碎率，，但該指標(biāo)受人為因素影響太大,導(dǎo)致相同試件在不同試驗(yàn)人員檢測下可能出現(xiàn)不同的破冰效果。 為了得到更適合的破冰效果的評(píng)價(jià)方法及指標(biāo),本文基于橡膠顆粒的摻入可能導(dǎo)致混合料水穩(wěn)定性降低,因此對(duì)最佳瀝青用量的確定方法進(jìn)行修正；在滿足路用性能的要求下結(jié)合不同因素對(duì)破冰效果的影響,采用低溫破冰試驗(yàn)對(duì)各個(gè)情況下的混合料進(jìn)行試驗(yàn),記錄所得數(shù)據(jù)進(jìn)行處理分析后,提出新的除冰性能的評(píng)價(jià)指標(biāo)—蠕變?nèi)崃考氨鶎幼冃嗡俾�。并在此基礎(chǔ)上結(jié)合破冰試驗(yàn)結(jié)果對(duì)橡膠顆粒瀝青混合料的組成設(shè)計(jì)成果進(jìn)行進(jìn)一步驗(yàn)證。具體研究內(nèi)容及成果如下： (1)通過加入劈裂試驗(yàn)、肯塔堡飛散試驗(yàn)對(duì)最佳瀝青用量確定方法進(jìn)行修正,確定出適合橡膠顆粒瀝青混合料的最佳瀝青用量。 (2)對(duì)于所得混合料進(jìn)行路用性能檢測,所得結(jié)論滿足規(guī)范要求。進(jìn)而驗(yàn)證了修正后最佳瀝青用量確定方法的可行性。 (3)通過室內(nèi)模擬破冰試驗(yàn),提出蠕變?nèi)崃考氨鶎幼冃嗡俾首鳛槠票Ч脑u(píng)價(jià)指標(biāo),并得出橡膠顆粒瀝青混合料破冰的有效適用范圍。 (4)基于破冰試驗(yàn)的結(jié)果,.對(duì)橡膠顆粒瀝青混合料的組成結(jié)構(gòu)進(jìn)行進(jìn)一步驗(yàn)證,最終得出破冰性能最優(yōu)的級(jí)配組合類型。
[Abstract]:In recent years, rubber granular asphalt mixture as an active snow removal functional material has been widely studied. There are many successful examples in China to show its effective ice-breaking effect. At present, the main evaluation index of ice-breaking effect is broken rate, but this index is greatly affected by human factors. The same specimen may have different ice breaking effect under different testing personnel. In order to get a more suitable evaluation method and index of ice-breaking effect, the method of determining the optimum asphalt content is modified based on the fact that the mixing of rubber particles may lead to the decrease of water stability of the mixture. In order to meet the requirements of road performance, combined with different factors on the effect of ice breaking, the low temperature ice-breaking test was used to test the mixture under various conditions, and the recorded data were processed and analyzed. A new evaluation index of deicing performance, creep compliance and ice deformation rate, is put forward. Based on this, the design results of rubber granular asphalt mixture are further verified based on the ice breaking test results. The results are as follows:. 1) by adding split test and Kentucky dispersion test, the method of determining the optimum asphalt content is modified, and the optimum asphalt content suitable for rubber particle asphalt mixture is determined. 2) the road performance of the mixture is tested, and the conclusion meets the requirements of the specification, which verifies the feasibility of the modified method for determining the optimum asphalt content. 3) through the indoor simulated ice-breaking test, the creep compliance and ice deformation rate are put forward as the evaluation indexes of the ice-breaking effect, and the effective application range of the rubber grained asphalt mixture for ice-breaking is obtained. Finally, based on the results of ice-breaking test, the composition of rubber granular asphalt mixture is further verified, and the optimal grading combination type of ice-breaking performance is obtained.
【學(xué)位授予單位】：內(nèi)蒙古農(nóng)業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：U414

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