受到溫室效應影響，世界各國環保意識抬頭，資源回收再利用成為政府重視的議題。本研究旨在探討轉爐石替代天然粒料使用於瀝青混凝土鋪面之道路績效，現場實驗分國道1號及國道3號兩個路段。國道1號南下新營段評估4處，施工後36個月檢測結果顯示，抗滑值試驗平均BPN值為68.15且高於規範50、車轍試驗平均為6.72 mm屬輕級車轍、平坦度試驗值IRI平均為1.95m/km且低於需求值3.5m/km、衝擊試驗CIV平均為75.09 高於70 及現場鑽心試體後，由實驗室進行回彈模數平均值為1,401 MPa及間接張力試驗平均值為1.30 MPa；國道3號北上南投試驗3處，施工後31個月檢測數據說明，車轍平均值為4.1 mm屬輕級車轍、衝擊試驗平均CIV值為86.26 、回彈模數平均值為4,772 MPa及平均間接張力試驗值為1.14 MPa，抗滑試驗平均SN值為45.6高於30、平坦度試驗平均IRI值1.1 m/km。以上數據，屬於初期成果仍需持續評估其鋪面之績效。

Affected by the greenhouse effect, environmental awareness in countries around the world has risen, and resource recycling and reuse has become an issue that the government attaches importance to. The research aims to explore the road performance of using converter stone instead of natural pellets for asphalt concrete paving. The field test is divided into two sections of National Highway No. 1 and National Highway No. 3.The 4 evaluation of national highway 1 south. 36 months after construction, the test results showed that the average BPN value of the anti-skid value test was 68.15 and was higher than the standard 50、The rutting test averages 6.72 mm, which is a light rut, the flatness test value IRI averages 1.95m/km and is lower than the required value 3.5m/km, the impact test CIV averages 75.09 higher than 70 and the field drill core test body, The average value of the rebound modulus performed by the laboratory is 1,401 MPa and the average value of the indirect tension test is 1.30 MPa; There are 3 tests on National Highway No. 3 north to Nantou. 31 months after the construction, the test data shows that the average rut is 4.1 mm, which is a light rut, and the average CIV value of the impact test is 86.26. The average rebound modulus is 4,772 MPa and the average indirect tension test value is 1.14 MPa, the average SN value of the anti-skid test is 45.6 higher than 30, and the average IRI value of the flatness test is 1.1 m/km. The above data is an initial result and still needs to be continuously evaluated for its performance.

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