本研究主要探討廢輪胎再生之應用，選用通過4.75mm、0.6mm及0.425mm作為取代天然粒料之粒徑，填料則是用飛灰，配比設計則是使用黃氏緻密配比法(DMDA)，項目包括基本性質試驗、廢輪胎橡膠瀝青填縫劑試驗及道路鋪面試驗。填縫料是以通過30號(0.6mm)及40號(0.425mm)篩的橡膠粉末作為填縫料，隨著配比增加會增加橡膠粉末得使用量與飛灰，會使得其針入度、錐入度及延性隨之降低，而軟化點、黏滯度及回彈率隨之增加，但會因為橡膠膠粉添加過多的原因也會使在現場加熱溫度需要提高，故在使用時需要添加適當得粉量即可。經過綜合評估發現橡膠飛灰與瀝青膠泥的比例為1:4的填縫料，能在相對於橡膠飛灰與瀝青膠泥與1:2，且從相容性試驗看其黏滯度高，溫度敏感性低。鋪面的部分，則是通過4號篩的橡膠顆粒與其他兩種材料依比例混合而成後做成鋪面材料，結果顯示，隨著瀝青膠泥、溫度及載重增加時，穩定值就會隨著降低，為瀝青膠泥為空隙之1.3倍下的穩定值能為最優異，溫度變化下其在溫度為30℃時的穩定值為530kgf。車轍試驗結果顯示，配比1.3的抗車轍能力是最優的，而載重變化下在50公斤和溫度為30℃的環境下，對於1.3、1.7及2.0配比來說，其抗車轍能力為最高，可應用在低溫地區，因橡膠瀝青在低溫抗開裂能力及抗摩擦力較佳。

The main purpose of this study is to investigate the application of recycled tire rubber. The specific sieve with 4.75mm (No.4), 0.6mm (No.30) and 0.425mm (No.40) were used to sieve the rubber material in order to replace the natural aggregate. Fly ash was utilized as filler in the mixture. The design of mixture proportion is based on Prof. Hwang’s densified mixture design algorithm (DMDA) method. This study includes the examination of material properties on waste rubber tire as filler and as pavement testing. The filler consists of rubber powder which passing through sieves No. 30 and No. 40. As the amount of rubber powder and fly ash increased, the penetration, cone penetration and ductility decreased simultaneously. However, the softening point, viscosity and rebound rate increased progressively. Moreover, the heat temperature in the field has to increase owing to the excessive addition of rubber powder. Consequently it is notable to add the appropriate amount of this powder. The experimental results show the asphalt binder, rubber powder and fly ash composition with the ratio of 4:1 can be heated with a low relative temperature compared with the 2:1 mixture and its viscosity is observed from the compatibility test with the low and high temperature sensitivity. The paving composition is made from mixing rubber particles which pass sieve No. 4 and the other supplementary materials to make a paved material. It shows that as the asphalt binder, temperature and load increase, the stability value decreases with the value of 1.3 as the most excellent grade, and the strength at temperature of 30℃ is achieved at 530 kgf. Rutting test results show the optimal anti-rutting capacity ratio is 1.30 and the 50 kg load-changing environment and temperature environment of 30℃ is the best anti-rutting capability for these three groups.

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