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題 名 | 配管對樓版衝擊特性影響之預測模式=A Predict Model for Impact Sound of Florr with Piping |
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作 者 | 江哲銘; 鍾松晉; | 書刊名 | 中華民國音響學刊 |
卷 期 | 4:1 1996.12[民85.12] |
頁 次 | 頁101-116 |
分類號 | 441.576 |
關鍵詞 | 配管; 驅動點阻抗; 樓版衝擊特性; 預測模式; |
語 文 | 中文(Chinese) |
中文摘要 | 本文係針對臺灣地區特有預埋管線的混凝土樓版中,進行配管對樓版衝擊特性及 隔音性能影響模式做理論及實驗分析探討。 首先以音響放射理論及驅動點阻抗法為基礎,導入配管參數之變因對音響反應特性之影響作 理論與實驗分析。再以試體樓版實驗法對預埋配管樓版進行振動反應特性及樓版衝擊特性實 驗,結果確認配管會影響樓版衝擊音隔音性能。並進一步比較各不同配管條件之樓版振動加 速度級的量測結果發現,預埋配管會擴大樓版振動加速度級及樓版衝擊音級,亦即會減低樓 版隔音性能。且印證了在相同管徑的條件下,配管數越多則振動加速度級越大,對樓版衝擊 音的隔音性能越差;另若在相同配管數的條件下,管徑越大亦得相同結果。最後並由振動加 速度級數值差實驗值∥△V∥與樓版衝擊音級數值差理論計算值∥△L∥進行回歸分析,得 一預測式∥△V∥=∥△L∥= 10 log[1/(1-0.59pq �� )(1-p)]+ki; 據此,建築設計者 由配管管數與管徑等參數可事先預測樓版衝擊特性。 |
英文摘要 | In this article, we will discuss the affected model for floor impact characteristics and sound insulation, which is pre-buried piping in R.C. slab. Firstly,on the basis of sound radiation theory and impedance method, how variables of piping parameter affect acoustic characteristics will be discussed theoretically and experimentally. We use Model FLOOR METHOD to test piping slab in term of its vibration and impact characteristics. The result of the test firms that piping will affect impact sound insulation. Furthermore, thanks to the comparison of the test result of vibration obtained from difference condition. We find that pre-buried piping slab will amplify vibration and impact sound. That is, floor insulation will be lowered. It also confirms that if piping caliber is the same, the more numbers of the pipes are the larger amounts of the vibration and the efficiency of the floor impact sound insulation will be. On the other hand, if of the same number of pipes, the result will remain the same if we increase the caliber, Last of all. by regression analysis, a predict model ∥△V∥=∥△L∥= 10 log[1-0.59pq �� )(1-p)]+k �� is concluded. On basis of this model architecture designers will be able to predict floor impact characteristics with the parameter of piping numbers and caliber. |
本系統中英文摘要資訊取自各篇刊載內容。