應用冷拌發泡再生瀝青混凝土於鋪面底層之強度發展研究

THE PRELIMINARY STUDY OF THE STRENGTH DEVELOPMENT OF PAVEMENT BASE LAYER USING COLD MIX FOAM RECYCLED ASPHALT CONCRETE IN TAIWAN

張之明(Chih-Ming Chang) ； 陳世晃(Shih-Huang Chen) ； 蔡瑋倫(Wei-Lun Tsai) ； 陳思儒(Szu-Ju Chen) ； 鄭以揚(Yi-Yang Cheng) ； 黃振愷(Zhen-Kai Huang)

《中國土木水利工程學刊》 34卷8期 (2022/12) Pp. 721-727

https://doi.org/10.6652/JoCICHE.202212_34(8).0007

摘要

道路工程產業因應鋪面修繕與刨鋪必然產生大量的瀝青刨除料，而冷拌再生工法之發泡瀝青技術即為去化瀝青刨除料的方式之一，且拌和過程中無須加熱粒料，可直接將冷拌再生混合料鋪築於道路，鋪築後即可開放車輛交通。本研究嘗試應用發泡瀝青技術於直轄市試鋪道路底層，並使用Clegg衝擊試驗追蹤其齡期強度發展。研究結果顯示，現地試鋪需經過最短4至24小時之齡期強度發展即能符合施工綱要規範第02727章「冷拌再生瀝青混凝土」CIV值大於37之要求，由本研究的結果可以發現應用冷拌發泡再生瀝青混凝土於鋪面底層之強度可以快速符合規範要求並確保其承載力。

關鍵字

冷拌發泡再生瀝青混凝土 ； 鋪面底層 ； Clegg衝擊試驗儀

並列摘要

The Reclaimed Asphalt Pavement (RAP) is produced by maintenance and rehabilitation in Taiwan pavement engineering daily, the most important issue of RAP in Taiwan is how to recycle this material and keep better pavement performance. The objective of this study was to utilize the Clegg impact value (CIV) to evaluate the strength of cold mix foam recycled asphalt concrete. Six test roads in Taiwan major city using cold mix foam recycled asphalt concrete were evaluated, the specification of CIV was adopted Taiwan construction standard No. 02727 in this study, and the CIV minimum requirement was 37.According to the field test results, all tests of the CIV were passed within 24 hr. and the curing time of some field tests over the CIV standard were less than 4 hour. Based on the above results, the strength of cold mix foam recycled asphalt concrete was very good enough to be pavement base layer in this study. It could solve the problem of the stockpile of RAP in Taiwan, and it is worthy of further study.

並列關鍵字

cold recycled foamed asphalt concrete ； pavement base layer ； CIV impact hammer

參考文獻

Cesare Sangiorgi, Piergiorgio Tataranni, Andrea Simone, Valeria Vignali, Claudio Lantieri, Giulio Dondi. “A laboratory and filed evaluation of Cold Recycled Mixture for base layerentirely made with Reclaimed Asphalt Pavement,” Construction and Building Materials, Vol. 138, pp. 232-239 (2017).

Mallick, Rajib B., and Grant Hendrix, “Use of foamed asphalt in recycling incinerator ash for construction of stabilized base course,” Resources, Conservation and Recycling, 42.3, pp. 239-248 (2004).

Hamad I.Al-Abdul Wahhab, Mirza G.Baig, Isam A.Mahmoud, and Hisham M.Kattan, “Study of road bases construction in Saudi Arabia using foam asphalt,” Construction and Building Materials, 26.1, pp. 113-121 (2012).

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游景年，「冷拌再生瀝青混凝土應用於道路管線挖掘回填工程之現地驗證」，碩士論文，國立中央大學土木工程研究所 (2017)。