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  • 會議論文

臺灣建築產業使用輕鋼構技術之可行性評估

Feasibility Assessment of Light Weight Steel Techniques on Construction Industy

摘要


近年來能源與環保意識,關於居住品質提高,採用鋼筋混凝土的建築與當前環境需求的不適性一一被提出探討,其中包括了構造材很難回收再利用、建物興建各品質不易控制及居住品質適性等等議題,而國外各先進國家,在多元的構造方式中,輕型鋼構造工法是當前受注目之一的工法,尤其在質量輕、強度大及加工容易的特性。本研究藉由LGS建築與RC建築各一棟針對室內環境長期監量測之數據,比較分析其隔熱性能與能源消費效率。建構建築3D CAD模型並運用計算流體力學,配合熱流分析模擬軟體CFDesign,模擬LGS建築之熱環境,討論其與能源消耗的關係,最後探討LGS建築與RC建築在生命週期中的能源消耗效率,並討論LGS建築在台灣之發展空間。長期監量測LGS建築與RC建築之室內外溫濕度,主要監測標的為溫濕度部分,由監測結果可發現,在未開設冷氣的情況下,LGS建築的室內溫度平均比RC建築的室內溫度低2-3℃,則LGS建築之工法具有維持室內舒適性的功能,在夏季由於室內溫度較低,使用冷氣率將下降,可減低耗電量;而LGS建築的室內濕度平均比RC建築的室內濕度低20%,濕度平均在40%-50%之間,有效維持人體舒適的濕度。經長期監測結果可發現運用LGS建築工法確實提昇住宅舒適度並有效節省能源之功用,又運用CFDesign熱流模擬分析結果與監測結果相對比較,亦可了解LGS建築在生命週期中的能源消費效率較佳,對未來建築業在台灣具有發展潛力。

並列摘要


This research compares LGS and RC building by way of building long-term monitoring measurements in the indoor environment. The study set up a 3D CAD model of building construction and use of Computational Fluid Dynamics (CFD) with the thermal analysis simulation software ”CFDesign”.Discuss its relationship with energy consumption, and the development of LGS construction in Taiwan. LGS and RC building long-term monitoring and measurement of indoor and outdoor temperature and humidity, by the monitoring results can be found LGS average indoor temperature than the RC indoor temperature low 2-3℃, the LGS architectural engineering methods to maintain indoor comfort with the features. LGS use air conditioners frequency will decrease in summer, reduce power consumption. LGS average indoor humidity than the RC indoor humidity low 20%. The humidity average 40% -50% is effective and comfortable. The long term monitoring results found that the use of LGS building construction method does improve comfort, and effective for energy saving function. And the use of CFDesign heat flow simulation resultscorrespond with monitoring results.

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