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題 名 | 預鑄混凝土樁側向載重試驗與分析=Lateral Load Test of a Precast Concrete Pile |
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作 者 | 陳正興; 黃俊鴻; 邱俊翔; | 書刊名 | 中國土木水利工程學刊 |
卷 期 | 11:2 1999.06[民88.06] |
頁 次 | 頁231-241 |
分類號 | 441.17 |
關鍵詞 | 基樁試驗; 側向承載試驗; PC樁; Pile test; Lateral load test; PC pile; |
語 文 | 中文(Chinese) |
中文摘要 | 本文分析嘉義太保打擊式預鑄混凝土基樁之側向承載試驗結果。所試驗基樁為直徑80cm之預鑄混凝土樁、長度為34m,試驗時施加於樁頭之最大水平作用力為90tons,樁頭側向位移為290mm,達基樁斷裂之程度。根據埋設於樁體內之鋼筋計與傾度管讀數,以及樁頭之位移與轉角變化曲線,可分析得樁體彈塑性變形之行為與破壞過程。此外,本研究利用彈性梁在溫克(Winkler)基礎上的模式模擬本試驗的結果,分析結果顯示:單層均質土壤模式及多層土壤模式均可合理模擬基樁在彈性範圍內(未開裂前)之變形行為,而後者對樁身彎矩之模擬效果則較佳。 |
英文摘要 | This paper presents the results of a lateral load test on a fully-instrumented precast concrete pile constructed at Taipo, Chiayi. The test pile has a diameter of 80cm and length of 34m. It was loaded laterally to the state of failure with a maximum pile head displacement of 290mm under the ultimate load of 90 tons. Pile responses including the pile head displacement, lateral deformation and stress variation along the pile shaft were monitored and reported in this paper. Besides, the model of elastic beam on Winkler type soil foundation was used to simulate the test results. Both the uniform soil model and the multi-layer model can predict very well the pile deformation up to the range before the pile reaches its cracking moment. However, the multi-layer model can yield better results for the distribution of resisting moments along the pile shaft, compared with the data collected from the field. |
本系統中英文摘要資訊取自各篇刊載內容。