臺灣博碩士論文加值系統

本文目的是根據八種圓錐貫入試驗方法來推估樁基之極限承載力。這些data值由標準貫入試驗（CPT）現地試驗獲得，根據比較結果，由 Bustamante和Gianeselli（1982）方法看起來為最佳的估計。
在過去十年中，由現地試驗的結果來推估樁基之極限承載力為工程師所感興趣的方向。對標準貫入試驗(CPT)所設之站點之特性描述，並使用CPT資料來設計樁基的方法相當普遍，例如：Schmertman(1978) 、Bustamante & Gianeselli(1982)、De Ruiter & Beringen(1979) 、Tumay & Fakhroo (1982)、Aoki & De Alencar(1975)、Price & Wardle(1982)、Philipponnat(1980)、Penpile (1978) and Titi(1999)。Schmertman(1978) 、Bustamante & Gianeselli(1982)、De Ruiter & Beringen(1979) 、Tumay & Fakhroo (1982)、Aoki & De Alencar(1975)、Price & Wardle(1982)、Philipponnat(1980)、Penpile (1978) and Titi(1999)。利用這些方法並根據CPT資料來推估試樁前後之極限承載力，並和承載力試驗（Pile Loading Test）來做比較。

The purpose of the paper is to estimate the axial bearing capacity of a drilled shaft based on cone penetration test (CPT) data interpreted via eight different methods available in the literature. The data obtained from CPT test conducted before and after shaft installation were used for capacity prediction. In addition, the estimated bearing capacity is also compared to that of the axial pile load test results. Based on the comparison, the result by Bustamante and Gianeselli (1982) method appears to be the best estimation.
Use of in-situ testing results for pile or drilled shaft foundation bearing capacity estimation has been drawn the interests of geotechnical engineers in the past decades. Increasing use of cone penetration test (CPT) for site characterization, methods by using CPT data for pile foundation design have also been getting popular, such as the researches of Schmertman(1978) 、Bustamante & Gianeselli(1982)、De Ruiter & Beringen(1979) 、Tumay & Fakhroo (1982)、Aoki & De Alencar(1975)、Price & Wardle(1982)、Philipponnat(1980)、Penpile (1978) and Titi(1999)。Schmertman(1978) 、Bustamante & Gianeselli(1982)、De Ruiter & Beringen(1979) 、Tumay & Fakhroo (1982)、Aoki & De Alencar(1975)、Price & Wardle(1982)、Philipponnat(1980)、Penpile (1978) and Titi(1999)。
All these methods utilize the data of CPT conducted before pile installation. It’s known that installation of pile or drilled shaft also disturbing the surrounded soil properties. In this paper, a drilled shaft bearing capacity is estimated via eight different available methods based on CPT data obtained before and after shaft installation. The estimated capacity is also compared to that of the full scale axial pile load test. The capacity estimated by the method proposed by Bustamante and Gianeselli (1982) shows the best fit to the test results.

目錄
內容 頁次

中文摘要…………………………………………………………………I
英文摘要……………………………………………………………….II
目錄……………………………………………………………………IV
表目錄…………………………………………………………………IV
Table目錄……………………………………………………………VIII圖目錄…………………………………………………………………XI
第一章 緒論 1
1-1 研究動機 1
1-2 研究方法 2
1-2-1 應用CPT於基樁承載力評估 2
1-3 論文內容 3
第二章 文獻回顧 5
2-1 圓錐貫入試驗 5
2-1-1 發展歷史 5
2-1-2 CPT系統 6

第三章 樁基礎的承載力預測 17
3-1 樁在黏土層中的情形 18
3-2 利用CPT試驗結果來預測基樁承載力 19
3-2-1 Schmertmann Method(1978) 20
3-2-2 de Ruiter Beringen Method 22
3-2-3 Bustamante and Gianeselli(LCPC/LCP Method) 24
3-2-4 Tumay and Fakhroo Method（Cone-m Method） 27
3-2-5 Aoki and De Alencar Method 28
3-2-6 Price and Wardle Method 28
3-2-7 Philipponnat Method 29
3-2-8 Penpile Method 31
3-2-9 Nordlund Method 32
3-2-10 The Probabilistic CPT Method 35
3-2-11 API method 38
3-2-12 New direct CPTu Method 39
3-2-13 Direct CPT method 40
CPT彙整 43
3-3 極限承載力及降伏載重 48
3-3-1極限承載力依據 48
3-3-2 降伏載重分析依據 49

第四章 應用CPT於樁基承載力及實際案例評估 69
4-1 資料蒐集與比對 69
4-1-1 高鐵場鑄單樁分析 69
4-1-2 高鐵場鑄群樁分析 69
4-1-3 高鐵單樁群樁試驗（交通部高速鐵路工程局，1997） 70
4-2 分析 71
4-2-1 CPT樁基極限承載力推估 72
4-3 結論與比對 83
4-4 案例二 大宇紡織工地 115
4-4-1 資料蒐集與比對 115
4-4-2 案例分析 116
4-4-3 小結與討論 119
第五章 結論與建議 129
參考文獻 131



表目錄
表別 頁次

表4.1 樁尺寸 93
表4.2 高鐵場鑄樁B2之材料參數(薛朝光2004) 93
表4.3 試驗工址之土層與數值分析參數表(薛朝光2004) 94
表4.4 高鐵場鑄樁B3~B8及樁帽之材料參數(薛朝光2004) 94
表4.5 試驗工址之簡化土層分類表 95
表4.6 試驗樁之規格 95










Table目錄
Table別 頁次

Table 3.1 LCPC bearing capacity factor（ ） 50
Table.3.2 Pile categories for the LCPC method 51
Table3.3 Input parameters for clay and silt for LCPC method 52
Table3.4Input parameters for sand and gravel for LCPC method53
Table.3.5 Empirical factors and 54
Table3.6The empirical factor values for different soil typ 54
Table3.7 Bearing capacity factor （ ） 55
Table 3.8 Empirical factor 55
Table 4.1 LCPC bearing capacity factor（ ） 96
Table.4.2 Pile categories for the LCPC method 97
Table.4.3 Input parameters for clay and silt for LCPC method 98
Table.4.4Input parameters for sand and gravel for LCPC method 99
Table.4.5 Empirical factors and 100
Table.4.6The empiricalfactor values for different soiltypes 100
Table4.7 Bearing capacity factor （ ） 101
Table 4.8 Empirical factor 101
Table 4.9 Ultimate bearing capacity of pc pile(P5、P6) 102
Table4.10 Ultimate bearing capacity of pcpile（B4、B7、B10） 103
Table 4.11 Ultimate bearing capacity of pc pile（P7、P6） 104
Table 4.12 Pile loading Test and CPT test 131
Table 4.13 土壤分類圖 120
Table 4.14 Loading Test of pile bearing capacity 120
Table 4.15 比較 121














圖目錄
圖別 頁次

Figure 2.1（a）Delft 機械式貫入錐（陳斗生，1986） 13
Figure 2.1（b）Begemann 機械式摩擦貫入錐（陳斗生，1986） 14
Figure 2.2（a）Delft 電子式貫入錐（陳斗生，1986） 15
Figure 2.2（b）Fugro 電子式摩擦貫入錐（陳斗生，1986） 15
Figure 2.3 各式水壓錐（Campanella與Robertson，1988） 16
Figure 2.4 ACPT貫入儀（Tringale，1983） 16
Figure.3.3 Calculation of average cone tip resistance in Schmertmann method 59
Figure.3.4 Penetration design for pile side friction in clay in Schmertmann method 60
Figure.3.5 enetration design curve for side pile friction in sand in Schmertmann Method 60
Figure.3.6 Caculation of the equivalent average tip resistance for LCPC method 61
Figure.3.7 Maximum friction curves for LCPC method 62
Figure.3.8 Caculate 63
Figure 4.1 配置圖 105
Figure 4.2 PC Pile地質剖面圖 106
Figure 4.3 Bored Pile地質剖面圖 106
Figure 4.4 CPTB1地質剖面圖 107
Figure 4.5 CPTB3地質剖面圖 107
Figure 4.6 CPTB2地質剖面圖 108
Figure 4.7 CPTA1地質剖面圖 108
Figure 4.8 CPTA2地質剖面圖 109
Figure 4.9 CPTA3地質剖面圖 109
Figure 4.10 樁頭載重位移圖（B4、PLT method、CPTB2、CPTA1） 110
Figure411樁頭載重位移圖（B7、PLT method、CPT before、CPT after）………………………………………………………………..111
Figure412樁頭載重位移圖（PLT B10、PLT method、CPTB2、CPTA1） ………………………………………………………..112
Figure 4.13 樁頭載重位移圖（PLTB10、PLT method、CPTB2、CPTA1、CPTA2） 113
Figure 4.14 樁頭載重位移圖（PLTB4、PLT method、CPTB2、CPTA1、CPTA2） 114
Figure 4.15 基地及鑽孔位置 122
Figure 4.16 基地土層分布剖面圖 123
Figure 4.17 打擊樁承載力推估結果 124
Figure 4.18 #F-8-4 壓力試驗Davisson、Fuller＆Hoy分析曲線圖 …………………………………………………………………125
Figure 4.19 #F-8-4 壓力試驗De Beer分析曲線圖 126
Figure 4.20 #F-8-4 壓力試驗Van der Veen分析曲線圖 127
Figure 4.21 #F-8-4 壓力試驗Chin分析曲線圖 128

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