台灣屬於海島型氣候，年平均降雨量皆超過2,000公釐，在傳統密級配鋪面上常形成水膜，當車輛經過積水鋪面時，常會產生水霧。在下雨天為增進高速公路行車時路面有良好安全性與抗滑性，因此發展出多孔隙瀝青混凝土（Porous Asphalt Concrete, PAC）鋪面，以提升用路人的行車品質。國內早期鋪築的PAC大都為試驗道路，缺乏相關鋪面績效等資料，然而PAC受到外部交通和環境等因素影響，可能產生剝落、鬆脫、孔隙堵塞和車轍等破壞現象；因此為提升PAC鋪面的品質，需建立PAC之維修策略，同時探討PAC之破壞機制，評估影響PAC機制之因素，分析維修時機與方法。
本研究針對國道6號南投段分為九個試驗路段，進行功能性、耐久性和安全性評估，試驗包括現地透水量、車轍量、平坦度、Clegg衝擊值、路面抗滑及環境噪音檢測等6項現場試驗，透過試驗數據及績效指標評估，分析比較通車前後及使用不同瀝青材料路段鋪面績效的差異。結果顯示PAC鋪面平均噪音量可降低3-5dB（A），IRI值仍低於3.0m/km，CIV 值在路堤與橋樑段約為75，鋼橋段約為68，PAC鋪面透水量大部分仍在規範值900 ml/15sec以上，BPN值約為55左右，輪跡處車轍量維持10mm以內。
當PAC鋪面產生局部鬆散或坑洞需緊急搶修時，可考量冷拌PAC作為小面積養護，在PAC路面永久變形過大時，即需進行大型整修，維修方式需從材料選定、配比設計、產製、運輸、鋪築和滾壓一步一步確實執行；同時，大型整修建議鋪設底部調整層。

Porous asphalt concrete (PAC) is an environmentally friendly paving material originally introduced from the Netherlands. Due to the higher permeability, better skid resistance and lower noise level compared to dense graded asphalt concrete, PAC has been used in the construction of the surface course for the Taiwan National No.6 Freeway. However, the distresses of raveling, stripping, clogging and rutting have been found at other PAC pavements in Taiwan. Various factors of traffic repetition, temperature variation and construction practice etc. may affect PAC performance, leading to shorten service life. In order to overcome these failure mechanisms and have a better understanding for future maintenance, it is necessary to establish a comprehensive correlation with material composition, mix design, manufacture, transport, construction practice as well as field performance.
This study includes three types of fundamental tests concerning with functionality, durability and safety for the 19mm PAC laid on the Taiwan No.6 Freeway. Various in-situ tests have been routinely carried out on the PAC surface course since traffic opening in 2008. The field parameters have been collected and show that equivalent noise level reduces 3 to 5 dB, International Roughness Index (IRI) is below 3.0m/km, Clegg Impact Value (CIV) is above 68, permeability coefficient is greater than 900 ml/15sec, British Pendulum Number (BPN) is approximately 55 and rut depth is maintained within 10 mm. The overall results indicate better performance for the PAC on the basis of three fundamental tests compare to traditional dense graded asphalt concrete surface course. In addition, the field data also show that the use of High-viscosity Asphalt (HA) considerably improves the PAC engineering properties.
For the PAC maintenance and rehabilitation, cold-mix PAC can be used for paving emergency repair, while hot-mix PAC should be used for the paving resurfacing and reconstruction.

日本道路協會（1996），「排水性鋪裝技術指針（案）」，日本。

日本道路協會（1999），「排水性鋪裝技術指針（案）」，日本。

陳建旭（2010），「國道六號南投段多孔隙瀝青混凝土（PAC）及石膠泥瀝青混凝土（SMA）鋪面成效評估監測計畫期末報告，財團法人成大研究發展基金會，台南。

Brousseaud, Y. and F. Anfosso-Lédée.（2005）. Review of Existing Low Noise Pavement Solutions in France. SILVIA-LCPC- 011-01-WP4-310505. Silvia Project Report. Sustainable Road Surfaces for Traffic Noise Control, European Commission.

Brown E. R. and L. A. Cooley, Jr.（2005）. Designing Stone Matrix Asphalt Mixtures for Rut Resistant Pavements, NCHRP Report 425, National Research Council, Washington, D.C.

Cooley, L. A.,R.B.Mallick., and W.S.Mogawer.（2009）. Construction and Maintenance Practices for Permeable Friction Courses, NCHRP Report 640, Transportation Research Board of the National Academies, Washington, D.C.

Decoene, Y.（1990）. Contribution of Cellulose Fibers to the Performance of Porous Asphalts, Transportation Research Record 1265, TRB, National Research Council, Washington, D.C.

Huber, G.（2000）. NCHRP Synthesis of Highway Practice 284: Performance Survey on Open-Graded Friction Course Mixes. TRB, National Research Council, Washington, D.C.

Isenring, T., H. Köster, and I. Scazziga. （1990）.Experiences with Porous Asphalt in Switzerland. Transportation Research Record 1265, TRB, National Research Council, Washington, D.C., pp. 41–53.

Iwata, H., T. Watanabe, and T. Saito. （2002）.”Study on the Performance of Porous Asphalt Pavement on Winter Road Surface Conditions,” XIth International Winter Road Conference, World Road Association (PIARC), Sapporo, Japan.

Kandhal, P. S.（2002）.Design Construction and Maintenance of Open-Graded Asphalt Friction Courses, National Asphalt Pavement Association Information Series 115.

Lefebvre, G.（1993）.”Porous Asphalt,” Permanent International Association of Road Congresses.

Molenaar, J. M. M. and A. A. A. Molenaar. （2000）.”An Investigation into the Contribution of the Bituminous Binder to the Resistance to Raveling of Porous Asphalt. 2nd Eurasphalt & Eurobitume Congress, Barcelona, “Spain, pp. 500–508.

Moore, Lucinda. M. and R. G Hicks.（2001）. Design, Construction, and Maintenance Guidelines for Porous Asphalt Pavements, Journal of the Transportation Research Board, Transportation Research Record No. 1778. TRB, National Research Council, Washington, D.C., pp. 91–99.

Ruiz, A., R. Alberola, F. Pérez, and B. Sánchez.（1990）. Porous Asphalt Mixtures in Spain. Transportation Research Record 1265, TRB, National Research Council, ashington, D.C., pp. 87–94.

California Department of Transportation Open-Graded Friction Course Usage Guide.（2006）. Materials Engineering and Testing Services MS#5. Sacramento, California.
Rogge, D.（2002）.Development of Maintenance Practices for Oregon F-Mix. Oregon Department of Transportation, HWA-OR-RD-02-09, Corvallis, Oregon.

Tan, S. A., T. F. Fwa, and K. C. Chai. （2004）.Drainage Considerations for Porous Asphalt Surface Course Design. , Journal of the Transportation Research Board, Transportation Research Record No. 1868. Transportation Research Board of the National Academies, Washington, D.C., pp.142–149.

Van Der Zwan, J. T., T. Goeman, H. J. A. J. Gruis, J. H. Swart,and R. H. Oldenburger. （1990）.Porous Asphalt Wearing Courses in the Netherlands : State of the Art Review. Transportation Research Record 1265, TRB, National Research Council, Washington, D.C., pp. 95–110.

Van Heystraeten, G. and C. Moraux.（1990）. Ten Years’ Experience of Porous Asphalt in Belgium.Transportation Research Record 1265, TRB, National Research Council, Washington, D.C., pp. 34–40.

Watson, Donald, Andrew Johnson and David Jared.（1998）.Georgia Departmentof Transportation’s Progress in Open-Graded Friction CourseDevelopment.Transportation Research Record 1616, TRB, National Research Council, Washington, D.C., pp. 30–35.