國道高速公路排水性鋪面材料設計影響因素及成效之研究

NCU Institutional Repository > 工學院 > 土木工程研究所 > 博碩士論文 > Item 987654321/1023

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题名:	國道高速公路排水性鋪面材料設計影響因素及成效之研究
作者:	鄭仁崇;Jen-Chung Cheng
贡献者:	土木工程研究所
关键词:	排水性鋪面;鋪築厚度;瀝青膠泥;水霧量化;抗滑;Drainage Pavements;thickness of pavement;asphalt binder
日期:	2005-07-01
上传时间:	2009-09-18 17:18:12 (UTC+8)
出版者:	國立中央大學圖書館
摘要:	排水性路面（Drainage Pavements）已在世界多國的鋪面上使用，且獲得多方面的正面反應，台灣區高速公路早期通車路面是採用美國開放級配磨耗層（簡稱OGFC）來設計，隨著改質瀝青（Polymer-Modified Asphalt ）科技發展，排水性路面性能大幅提高，本研究將針對不同粒徑大小、不同鋪築厚度、不同瀝青膠泥及不同纖維對於排水性鋪面影響進行分析，進行試鋪工作。分析試鋪後的路面進行結構性評估、排水性評估、噪音評估、服務性評估等相關成效監測，完成長期觀測之後，以所得之評估成果做為修正相關適合國內施工及材料規範之依據。經鋪築過後一年之現地檢測數據顯示，目前不論在車轍、透水、抗滑、平坦度、目視調查及噪音等試驗皆屬於良好之鋪面成效，但由於鋪設至今只有一年之檢測數據，且大多數比較組合皆顯示沒有顯著性差異，因此尚需後續長期檢測資料來探討那一種組合較為適合。針對排水性鋪面能迅速減少水霧程度，本研究利用水霧量化程式進行分析，結果顯示以鋪設厚度4cm之減少水霧程度為最佳，而減少程度大約為鋪築厚度2.5cm兩倍之多，顯示鋪築厚度越厚確實可增加駕駛人之安全性，而對於排水路徑方面，結果顯示排水路徑越短亦能迅速排除雨水，進而減少重車所帶起之水霧程度。 Drainage Pavements have been used in many countries for pavements and received positive reaction. In early times, Taiwan’s has used OGFC (open graded asphalt friction course) to designed Taiwan’s freeway. With the development of Polymer-Modified Asphalt, the quality of Drainage Pavements has much improved. Our research will focus on how the different factors can affect the Drainage Pavements such as size of particle, thickness of pavement, material of asphalt binder and fabric fiber Based on the long-term research on the experiment of pavement, In the future after from the test built in site, we now have to step forward for making an estimating of the road structural analysis, estimating the drainage system, estimating the sound level and the estimating of the service ability during the performance observation,which will be used as the instructions for the rules of National Construction and Standard of Materials. According to the statistics of one-year experiment of pavement, no matter in the factor of rutting、permeable、pavement friction、roughness、distress survey、sound level, all the outcomes lead to good condition of the pavement. However, with access to only one-year statistic report and without any obvious difference from the contrast party, it still requires long-term observation to find out suitable combination. In order to get the result of how much Water Fog can be reduced by Drainage Pavement, we adopted Water Fog Quantification equation in the process of analysis. The result shows that best thickness for the lowest Water Fog level is 4cm which lowers Water Fog level two times than thickness of 2.5cm. Therefore, we come to conclusion that the thicker pavement we make, the safer driver will be. On the other hand, the shorter drainage route is the more quickly rain can be ruled out. On the condition of shorter drainage, the level of Water Fog caused by heavy car can be reduced.
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