本研究響應全球與我國「2050淨零排放」政策目標，針對桃園國際機場第三航站區之停機坪、滑行道及附屬設施工程，深入評估應用卜作嵐礦物摻料於高強度抗彎混凝土之減碳效益與結構性能。本工程規模宏大，總道面面積達423，111平方公尺，其中50 kgf/cm2 (約700 psi)抗彎混凝土用量高達168，348立方公尺。 研究方法結合文獻回顧、ISO 14067:2018產品碳足跡標準計算，以及現地非破壞性檢測。研究顯示，透過在膠結材料中導入25.06%的卜作嵐材料(包含爐石粉與飛灰)取代傳統卜特蘭II型水泥，不僅能優化混凝土微觀結構並提升耐久性，更能顯著降低碳排放。 關鍵研究成果如下： 1.減碳效益顯著：經量化分析，本案例成功減少約18，908公噸二氧化碳當量(tCO2e)，相較於純水泥配比減碳率達27.58%，其減碳量相當於73.3座大安森林公園的一年碳吸附量。 2.結構性能優異：透過重型落重撓度儀(HWD)與FAARFIELD 2.1軟體評估，新建機坪之鋪面分類等級(PCR值)達1，140 R/C/W/T，遠高於B747-8等關鍵機型之承載需求，證明低碳配比在實務上完全符合大型航機營運安全。 3.技術國際肯定：本案成果獲「2025年ACI卓越混凝土工程獎」地坪工程類組優良獎，證實台灣在推動綠色營建與數位孿生監控技術上已具備國際競爭力。;In response to the global and national "2050 Net Zero" emissions goals， this study evaluates the carbon reduction benefits and structural performance of using pozzolanic mineral admixtures in high-strength flexural concrete for the Terminal 3 project at Taiwan Taoyuan International Airport. The project is of significant scale， encompassing a total pavement area of 423，111 m2 and requiring 168，348 m3 of flexural concrete with a design strength of 50 kgf/cm2 (approx. 700 psi). The research methodology integrates literature review， carbon footprint calculations based on ISO 14067:2018， and on-site non-destructive testing. The study demonstrates that replacing 25.06% of traditional Type II Portland cement with pozzolanic materials (slag and fly ash) not only enhances the concrete′s microstructure and long-term durability through secondary hydration but also significantly mitigates carbon emissions. Key research findings include: 1. Significant Carbon Reduction: Quantitative analysis reveals a total reduction of approximately 18，908 metric tons of CO2 equivalent (tCO2e)， representing a 27.58% decrease compared to pure cement mixtures. This reduction is equivalent to the annual carbon sequestration of 73.3 Daan Forest Parks. 2. Superior Structural Performance: Evaluation via Heavy Weight Deflectometer (HWD) and FAARFIELD 2.1 software indicates that the new apron achieved a Pavement Classification Rating (PCR) of 1，140 R/C/W/T. This exceeds the requirements for critical aircraft such as the B747-8， proving that low-carbon concrete mixes fully satisfy the operational safety standards for large wide-body aircraft. 3. International Recognition: The project’s outcomes were honored with the "2025 ACI Excellence in Concrete Construction Award，" confirming Taiwan′s international competitiveness in green construction and digital twin monitoring technologies.
