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論文中文名稱:土壓平衡式推管工法的元押推進力探討 [以論文名稱查詢館藏系統]
論文英文名稱:Analysis of Jacking force for EPB [以論文名稱查詢館藏系統]
院校名稱:臺北科技大學
學院名稱:工程學院
系所名稱:土木工程系土木與防災碩士班
畢業學年度:105
畢業學期:第一學期
中文姓名:蔡佾志
英文姓名:Yi-Zhi Cai
研究生學號:103428032
學位類別:碩士
語文別:中文
口試日期:2017/01/09
論文頁數:183
指導教授中文名:倪至寬博士;陳水龍博士
指導教授英文名:James C. Ni Ph.D.;P.E., Shong-loong Chen Ph.D.
口試委員中文名:陳卓然博士;黃然教授;倪至寬博士;陳水龍教授
中文關鍵詞:推管工程元押推力面盤阻力管線摩擦力方向偏移土壤分類
英文關鍵詞:Pipe JackingJacking ForceFace PressureFrictional ResistanceLubricantMisalignmentSoil Classification
論文中文摘要:土壓平衡式工法是將土渣與不透水的皂土穩定液,混合成不透水且具有工作度的土壤漿液,利用此土壤漿液的液壓力來達到切削面地盤的穩定,再經由排泥管內的螺旋排泥桿輸送土壤漿液回泥水處理設備中,將循環水分離出來重複使用。掘進機的操作需要具備多年的經驗,來判斷推進時所發生的任何突發狀況,例如在推進路徑遭遇浮木、巨石、複合地盤甚至是垃圾等等的變化。在推進之前操作手要先對於推進路徑上的土壤種類有所認知,進而選擇最適當的開口率與切削刀具,其中最重要的是判別切削面盤前方所遭遇到的土壤種類,在推進過程中隨時因應地質的變化,調整推進速度及排泥速度,修正推進的方向,才得以順利抵達到達井。本研究選擇了三段卵礫石層的推管工地,在推進過程中逐管記錄每支推管的相關資料,並由這些資料研判分析土壤種類、推管偏移量、隧道的穩定性與其它現地的影響因子對元押推力的影響。
論文英文摘要:Earth Pressure Balance system is a method which uses the combination of exca-vated soil material and impermeable bentonite stabilizing solution in order to provide stability at the cutting face of the EPB machine. The excavated material is then pumped to the ground surface using mud tubes for muck removal and separation. In addition, this method uses a close circuit system which allows the bentonite solution to be circulated through a water treatment equipment and reused by the EPB machine. Operation of the EPB machine requires many years of experience to determine any sudden deviation or changes in soil material during pipe jacking, such as driftwood, boulders, composite sites and even trash during the advancing process.
It is very important during the operation of pipe jacking that sufficient knowledge of the geology and type of soil on site is known, the appropriate aperture and cutting tools needed and mostly importantly to determine what the cutting head face will encounter due to the soil type. Moreover, during the jacking process the operators knowledge and experience will allow at any time for quick response to make necessary adjustment such as regulation of advancement speed and change of slurry discharge speed due to geological changes on site.
In this study, three gravel layer were selected and the data of each pipe were recorded for the process of pipe jacking. The data collected were the soil type, the deviation and stability of tunnel and other local factors which may affect the total thrust force.
論文目次:中文摘要 i
Abstract ii
誌謝 iv
目錄 v
表目錄 viii
圖目錄 xii
第1章 緒論 1
1.1 研究背景 1
1.2 研究目的與動機 2
1.3 研究內容與流程 3
第2章 現場推管設備介紹 5
2.1 土壓平衡工法設備介紹 6
2.1.1 掘進機介紹 6
2.1.1.1 掘進機前胴設備介紹與方向修正方法 8
2.1.1.2 中胴設備介紹 19
2.1.1.3 後胴設備介紹 25
2.1.1.4 排泥設備 29
2.1.2 作泥材灌注設備 40
2.1.3 泥水處理設備 42
2.1.4 控制室設備 46
2.1.4.1 高壓泵浦壓力控制 50
2.1.4.2 切削面盤扭力變化 52
2.1.4.3 元押推進設備 53
2.2 推進中心線測量放樣 54
2.2.1 出發井中心點量測 55
2.2.2 到達井中心點量測 61
2.2.3 推進方向放樣 67
2.2.4 發進台放樣 71
2.2.5 推進台放樣 74
2.3 推管施工步驟 75
第3章 影響元押推力的因子分析與探討 79
3.1 現地影響參數 79
3.2 影響因子與元押推力的關係 82
3.3 現場機身偏移量 85
第4章 元押推力預估模式 91
4.1 元押推力預估模式 91
4.1.1 預測模式一 91
4.1.2 預測模式二 93
4.1.3 預測模式三 97
4.1.4 預測模式四 103
4.1.5 預測模式五 107
4.2 元押推力預估結果 110
4.2.1 各預估模式之面盤阻力(F0): 111
4.2.1.1 推進段A之面盤阻力判斷 111
4.2.1.2 推進段B之面盤阻力判斷 115
4.2.1.3 推進段C之面盤阻力判斷 119
4.2.1.4 五種預估模式在各推進段之面盤阻力的結果 123
4.2.2 由周身摩擦力(FS)預估模式反算之土壤摩擦係數: 125
4.2.2.1 推進段A之預估模式反算之土壤摩擦係數判斷 127
4.2.2.2 推進段B之預估模式反算之土壤摩擦係數判斷 138
4.2.2.3 推進段C之預估模式反算之土壤摩擦係數判斷 149
4.3 土壤摩擦係數與設計摩擦係數和各推進段偏移量關係 160
第5章 結論與建議 177
5.1 結論 177
5.2 建議 178
第6章 參考文獻 181
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論文全文使用權限:同意授權於2020-02-14起公開