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題 名 | 瀝青混凝土路面車轍預估模式之探討=The Rutting Prediction Model for Asphalt Concrete Pavement |
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作 者 | 劉明樓; | 書刊名 | 中國土木水利工程學刊 |
卷 期 | 11:3 1999.09[民88.09] |
頁 次 | 頁621-628 |
分類號 | 442.155 |
關鍵詞 | 車轍; 塑性力學; Rutting; Plasticity theory; |
語 文 | 中文(Chinese) |
中文摘要 | 正確的預測路面受車輛荷重後所造成之車轍對於路面厚度設計、路面維修和鋪面 配合設計將有非常大之助益,故路面車轍分析一直是研究者探討的焦點。以往路面車轍分析 大都採用經驗公式或由實驗室觀察瀝青混凝土行為而得的迴歸公式,故其易受地域、環境及 荷重之影響。近二十年來車輛軸重已明顯的增加,有必要使用更合理的力學方式進行路面車 轍之預測。本研究首先選擇一塑性力學模式並驗證此模式是否可合理的預測瀝青混凝土在不 同應力路徑下之應力與應變行為,然後再將此塑性力學模式與現有二參數車轍模式結合預測 路面在受車輛荷重後之車轍。因本研究所發展之路面車轍分析大都建立在合理的力學基礎上 ,故亦可作為超載對於路面車轍影響之分析。 |
英文摘要 | An accurate rutting prediction of flexible pavement is helpful for the thickness design of pavement, maintenance of pavement and mix design of asphalt concrete, which therefore is one of the major concerns of highway researchers. The rutting modes used in the past were based on the empirical approach or the phenomenon behavior of the asphalt concrete, which can only be applied to a certain range of materials, traffic loads, and environmental conditions. Due to the increase of traffic load in the l st two decades, a more reasonable approach for the rutting prediction is necessary. In this study, the plasticity model which can represent the behavior of asphalt concrete under different stress path conditions is selected and verified. It is then incorporated with the two-parameter rutting model to predict the rutting of pavement under traffic loading. Since the rutting model used in this study is based on the rational mechanical approach, it can also be applied to analyzing the rutting due to heavy traffic loads. |
本系統中英文摘要資訊取自各篇刊載內容。