【摘要】：在瀝青路面的使用過程中，由于水的存在大大降低了路面的使用性能，目前水損害已經(jīng)成為路面破壞的主要形式之一。引發(fā)這一形式的路面使用性能下降的根本原因是瀝青與礦料的粘附性不足，而水是導(dǎo)致這一過程的誘因。評(píng)價(jià)瀝青與礦料粘附性的方法有很多種，，這些方法各有其自身的優(yōu)勢(shì)及不足之處。本文基于對(duì)現(xiàn)有的瀝青與集料的粘附性評(píng)價(jià)試驗(yàn)的歸納與總結(jié)，試圖找到更為科學(xué)有效方法來(lái)判斷瀝青與集料粘附性的優(yōu)劣。 通過對(duì)瀝青材料及礦料的基本性質(zhì)和粘附性產(chǎn)生原理的介紹，分析其對(duì)瀝青混合料整體水穩(wěn)定性的影響。認(rèn)為瀝青的化學(xué)性質(zhì)和礦料表面紋理構(gòu)造是影響混合料水穩(wěn)定性的主要因素。 從產(chǎn)生粘附性的基本理論角度出發(fā)，分析瀝青與礦料產(chǎn)生粘附效果時(shí)各類作用力的影響程度，以及當(dāng)前常用的評(píng)價(jià)瀝青與礦料粘附性的方法。結(jié)合分析瀝青混合料水穩(wěn)定性的試驗(yàn)方法，間接評(píng)價(jià)了瀝青與礦料的粘附性。 在總結(jié)影響水穩(wěn)定性和粘附性的基礎(chǔ)上，提出了運(yùn)用光電比色法試驗(yàn)評(píng)價(jià)瀝青與礦料粘附性，分析了光電比色法的基本原理和方法步驟，測(cè)試三種礦料和不同改性瀝青的粘附性，并與水煮法試驗(yàn)結(jié)果作對(duì)比，驗(yàn)證了光電比色法的可行性，同時(shí)也說明了光電比色法試驗(yàn)的優(yōu)越性。
[Abstract]:In the use of asphalt pavement, water damage has become one of the main forms of pavement damage due to the existence of water greatly reduces the pavement performance. The main reason for the deterioration of pavement performance is the lack of adhesion between asphalt and aggregate, and water is the cause of this process. There are many methods to evaluate the adhesion of bitumen and aggregate, each of which has its own advantages and disadvantages. Based on the conclusion and summary of the existing asphalt and aggregate adhesion evaluation tests, this paper tries to find a more scientific and effective method to judge the adhesion between asphalt and aggregate. Based on the introduction of the basic properties of bituminous materials and mineral aggregate and the principle of its adhesion, the influence of asphalt mixture on the overall water stability of asphalt mixture is analyzed. It is considered that the chemical properties of asphalt and the texture structure of aggregate surface are the main factors affecting the water stability of mixture. From the point of view of the basic theory of producing adhesiveness, this paper analyzes the influence degree of various kinds of forces when asphalt and aggregate produce adhesion effect, as well as the commonly used methods to evaluate the adhesion of asphalt and mineral aggregate. Combined with the test method of analyzing the water stability of asphalt mixture, the adhesion between asphalt and aggregate is evaluated indirectly. On the basis of summing up the influence of water stability and adhesion, the paper puts forward the application of photoelectricity colorimetry to evaluate the adhesion of asphalt and mineral aggregate, and analyzes the basic principle and method steps of photoelectric colorimetric method. The adhesiveness of three kinds of mineral materials and different modified bitumen was tested, and compared with the results of boiling test, the feasibility of photoelectric colorimetric method was verified, and the superiority of photoelectric colorimetric test was also explained.
【學(xué)位授予單位】：長(zhǎng)安大學(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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