Improvement Research of Reclaimed Asphalt Pavement in Taiwan

Autor: Cheng-Lun Chen, 陳正倫
Rok vydání: 2012
Druh dokumentu: 學位論文 ; thesis
Popis: 100
The resource is limit and the ecological environment should be protected. Therefore, the engineering should be considered with the recycle mechanism in order to save energy and reduce the waste. All domestic constructions were followed the standards draw up by Public Construction Commission Executive Yuan that the maximum ratio of RAP of asphalt mixes based is 40%. The coating and the durability of asphalt mixture would be affected by the viscosity which the value will be higher of RAP. Therefore, this research is with the discussing of affection of recycling agent for used asphalt and the formula of new asphalt choosing graphic method with improvement. It is too complicated to figure out by using the graphic method of ASTM D4887 and AI MS-II to choose new asphalt. So this research is aimed for having a formula for new asphalt choosing level and the ratio of recycle agent. According to the experiment result, there is no much different between experience value and the value estimated by the formula. The deviation are all less than 5%, it could be the provided that the formula could be the estimated design base of recycling agents. There is good performance when RAP is 40% of asphalt mixes based in real application. But when RAP is 60% of asphalt mixes based, the performance is worse than the new asphalt mixture. This means that there is the limit ratio for recycling agent. According to the experiment result, the recycling agent ratio should not over 30% in order to make sure the performance of the asphalt mixture.
Databáze: Networked Digital Library of Theses & Dissertations