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系統識別號 U0026-1907201317594600
論文名稱(中文) 垂直載重樁試驗詮釋承載力方法之案例探討
論文名稱(英文) Case study of Interpertation of Bearing Capacity of Pile Loading Test
校院名稱 成功大學
系所名稱(中) 土木工程學系專班
系所名稱(英) Department of Civil Engineering (on the job class)
學年度 101
學期 2
出版年 102
研究生(中文) 李清芳
研究生(英文) Ching-Fang Li
電子信箱 e3192@yahoo.com.tw
學號 n67991125
學位類別 碩士
語文別 中文
論文頁數 136頁
口試委員 指導教授-倪勝火
口試委員-宋見春
口試委員-陳景文
口試委員-謝旭昇
中文關鍵字   載重試驗  極限承載力  載重詮釋 
英文關鍵字 pile  pile loading test  ultimate bearing capacity  bearing capacity interpretation 
學科別分類
中文摘要 本研究為針對不同位置、地質狀況及樁徑大小之實際試樁載重案例所得結果,利用11種樁載重極限承載力判釋法以各種詮釋方法所得之極限承載力將其結果進行比較分析,探討較合宜評估承載力之方法。經研究分析發現Terzaghi 雖然容易判釋但僅適用於小口徑樁,對於大口徑樁所推估結果差異大,Chin法因採用外差數據所得結果較其他判釋法高,Davisson法為常用判釋法,其計算過程簡單易解,所推估之極限承載力則較保守,另外,Brinch Hansen 80 %法較不穩定,主要外插之數值點數量會影響曲線的延伸度,而影響結果,其他判釋結果與檢核荷重之比較,仍有低估現象,但仍可做為載重試驗承載力分析之參考。
英文摘要 The purpose of this study is to evaluate the applicability of various bearing capacity interpretation methods for in-situ loading test piles. In this study, a total of fifteen pile tests data obtained from three test sites were used to evaluate the ultimate bearing capacity with eleven interpretation methods.The interpretation methods are assessed by comparing the interpreted bearing capacities with the double of design load. The results show that Terzaghi’s 10% diameter method is more suitable for small diameter pile. Result interpreted by Chin’s method is generally higher than other methods while the result obtained by Davisson’s method is more conservative. The result obtained form Brinch Hansen’s 80 % is generally affected by extrapolation data point. The results interpreted by other methods will be underestimated as comparing with the double of design load. However, they are still valuable to be referred for the engineer.
論文目次 摘要………………………………………………………………………………I
Abstract.............................................II
誌謝………………………………………………………………………………III
目錄………………………………………………………………………………IV
表目錄……………………………………………………………………………VII
圖目錄……………………………………………………………………………VIII
符號說明…………………………………………………………………………XI
第一章 緒論……………………………………………………………………1
1.1 前言…………………………………………………………………1
1.2 研究動機……………………………………………………………2
1.3 研究目的……………………………………………………………4
1.4 研究方法……………………………………………………………5
1.5 論文內容……………………………………………………………6
第二章 文獻回顧…………………………………………………………...7
2.1 基樁的使用時機……………………………………………………7
2.2 單樁的設計要求及承載力評估……………………………………8
2.2.1 單樁的設計要求…………………………………………………8
2.2.2 單樁的垂直承載力評估法………………………………………9
2.3 軸向荷重基樁承載行為……………………………………………10
2.4 樁承載力之一般行為………………………………………………14
2.5 單樁沉陷量…………………………………………………………19
2.6 樁載重試驗…………………………………………………………21
2.6.1 試驗的範圍………………………………………………………23
2.6.2 靜載重試驗法……………………………………………………24
2.6.3 靜載重加載法……………………………………………………29
2.6.4 試驗紀錄及繪製…………………………………………………34
2.7 加載過程之檢討……………………………………………………35
第三章 試樁極限支承力支詮釋方法…………………………………………39
3.1 試樁結果的詮釋……………………………………………………39
3.2 試樁判釋法之分類…………………………………………………41
3.3 試樁詮釋方法之評選準則…………………………………………43
3.4 試樁詮釋方法之選擇………………………………………………44
3.4.1 塑性沉陷量控制法………………………………………………45
3.4.2 試樁曲線特性法…………………………………………………48
3.4.3 切線法……………………………………………………………52
3.4.4 總沉陷量控制法…………………………………………………56
第四章 試驗垂直載重案例分析與討論………………………………………59
4.1 高雄市鼓山區內案例………………………………………………60
4.1.1 試樁基本資料…….……………………………………………60
4.1.2 基樁承載力分析.………………………………………………69
4.2 高雄市苓雅區內案例………………………………………………80
4.2.1 試樁基資料………………………………………………………81
4.2.2 基樁承載力分析…………………………………………………82
4.3 高雄市小港區內案例………………………………………………102
4.3.1 試樁基本資料……………………………………………………103
4.3.2 基樁承載力分析…………………………………………………107
第5章 結論與建議……………………………………………………………129
5.1 結論…………………………………………………………………129
5.2 建議…………………………………………………………………130
參考文獻………………………………………………………………………132
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