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姓名 張有毅(yu-yi Chang)  查詢紙本館藏   畢業系所 土木工程學系在職專班
論文名稱 潛盾施工引致之地盤沉陷案例分析
(Case study of surface settlement due to tunneling construction)
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摘要(中) 摘 要
潛盾施工過程中因開挖面土壤應力的解放而造成地表沉陷,從過去之案例中知潛盾施工沉陷是無可避免的。由於施工沉陷是無可避免,所以於施工過程中所產生之沉陷量能合乎規範之要求為工程師所期望。本文係使用台北捷運土城線CD551標之施工監測資料,將監測點埋設之深度正規化建立任一深度之正規化數值與沉陷之關係式。另外由監測資料以Peck方式求得沉陷槽反曲點,將監測點埋設之深度正規化建立任一深度之正規化數值與沉陷槽反曲點關係式。工程師可由沉陷量及反曲點與正規化數值之關係,預估任一深度及距離之沉陷量。本文中亦利用施工監測資料及隧道地質與潛盾鑽掘記錄,建立潛盾施工參數與地表沉陷之相關趨勢。
摘要(英) ABSTRACT
Because of the soil stress release from the face of excavation, some surface settlement was created during the period of tunneling construction. Historic cases indicated that the surface settlement is inevitable. Since the surface settlement is inevitable in the construction stage, so, settlement amounts can comply with the requirements of specification is expected by engineers. Field driven log and instrumentation data of Tucheng Line Project CD551, MRT was used in this article. By means of normalizing the depth of instrumentation, than, the relationship between normalize data and settlement can be obtained. Furthermore, we can get length of the inflection point by means of Peck method, compare the normalize data with length of the inflection point. An equation can be established. Since relationship among the normalize data, length of the inflection point and settlement amounts has been created, than, engineer can predict settlement amounts at any position. The relationship among the boring log data, TBM driven log and instrumentation data has been analysis in this article also, and a tendency between TBM driven parameters and settlement can be observed.
關鍵字(中) ★ 潛盾機
★ 地表沉陷
★ 反曲點
★ 沉陷槽
關鍵字(英) ★ TBM
★ settlement trough
★ inflection point
★ surface settlement
論文目次 目 錄
摘 要……………………………………………………… Ⅰ
目 錄……………………………………………………… Ⅲ
表 目 錄……………………………………………………… V
圖 目 錄……………………………………………………… VI
第一章 緒論
1.1 前言……………………………………………………… p1
1.2 研究動機與目的………………………………………… p1
1.3 研究範圍與方法………………………………………… p1
1.4 論文內容………………………………………………… p2
第二章 文獻回顧
2.1 地盤沉陷相關研究……………………………………… p3
2.1.1 土壤漏失量…………………………………………… p3
2.1.2 地表沉陷分佈形態…………………………………… p6
2.2 地下土層沉陷分佈形態………………………………… p9
第三章 潛盾施工
3.1 潛盾施工概要…………………………………………… p17
3.2 潛盾施工工法之構成…………………………………… p17
3.2.1 工作井………………………………………………… p17
3.2.2 潛盾機概述…………………………………………… p19
3.2.3 潛盾機設計考量……………………………………… p20
3.2.4 潛盾機開挖面穩定機制……………………………… p21
3.3 隧道襯砌………………………………………………… p22
3.3.1 環片異形量分析……………………………………… p22
3.3.2 異形環片各點異形量計算…………………………… p23
3.4 背填灌漿………………………………………………… p24
第四章 施工沉陷實測資料探討與分析
4.1 施工地質概述…………………………………………… p27
4.2 建物與地面沉陷實例分析……………………………… p28
4.2.1 地表最大沉陷量……………………………………… p29
4.2.2 沉陷曲線反曲點距離推估分析……………………… p32
4.2.3 潛盾隧道橫斷面沉陷分析…………………………… p35
4.2.3-1 Cording 和Hansmire之研究與現地資料分比較… p37
4.2.4 潛盾隧道縱向沉陷分析……………………………… p39
4.2.4-1 潛盾隧道潛盾通過前縱向沉陷分析………………. p39
4.2.4-2潛盾隧道沉陷歷時分析………………….... ………. P41
4.2.5 潛盾隧道施工引起壓密沉陷之特性…………………. p44
4.2.6 潛盾隧道土壤漏失率…………………………………. p46
4.2.7 雙隧道施工沉陷比較…………………………………. P50
4.2.8 地面沉陷點與建物沉陷點之關係……………………. P51
4.3 潛盾施工參數…………………………………………… p54
第五章 結論與建議
5-1 結論……………………………………………………… p108
5-2 建議……………………………………………………… p109
參考文獻……………………………………………………… p110
參考文獻 參考文獻
[1] Butler,R.A. and Hampton,D. (1975). “Subsidence over soft ground tunnel, ” ASCE, J. Geotechnical Engineering Division, Vol. 101, No.GT1, pp.35-49.
[2] Cording, E.J., and Hamsmire,W.H. (1975). “Displacement around soft ground tunnels,” Proc. 6th Panamerican Conf. On soil Mech. And Found. Eng., Buenon Aires, pp.571-633.
[3] Cording, E.J., and Hamsmire,W.H. (1976). discussion of “Subsidence over soft ground tunnel,” by Roger A. Butler and Delon Hampton, ASCE,J. Geotechnical Engineering Division, Vol. 102, No.GT3, pp.259-261.
[4] Cording, E.J., and Hamsmire,W.H. (1985). “Soil tunnel test section case history summary,” ASCE,J. Geotechnical Engineering, Vol. 111, No.11, pp.1301-1320.
[5] Clough,E.J. and Schmidt,B. (1981). “Design and performance of excavations and tunnels in soft clay, ” in soft clay engineering,edited by Brand,E. W. and Brenner,R.P., pp.600-634.
[6] Fang,Y.S, Lin,G.J. and Su,C.S (1994). “An estimation of groung settlement due to shield tunnelling by the Peck-Fujita method,” Can. Geotech.J., Vol.31, pp.431-443.
[7] Fujita, K. (1982). “Prediction of surface settlements caused by shield tunnelling,”Proceedings, International Conference On Soil Mechanics, Mexico City, Vol. 1, pp. 239-246.
[8] Hwang,R.N., Fan,C.B., Yang,G.R. (1995). “Consolidation settlements due to tunnelling,” Proc, the South East Asian Symposium On Tunnelling Underground Space Development, Bangkok Thailand pp.79-86.
[9] Mair,R.J. (1998). “Geotechnical aspects of design criteria for bored tunneling in soft ground,” Geotechnical Consulting Group, London ,UK.
[10] Mair,R.J., Taylor,R.N. and Bracegirdie,A. (1993). “Subsurface settlement profiles above tunnels in clays,” Geotechinque 43 , No. 2, pp.315-320.
[11] O’Reilly, M. P., and New, B. M. (1982). “Settlements above tunnels in the United Kingdom – their magnitude and prediction,”Tunnelling’82, pp. 173-240.
[12] Peck,R.B. (1969). “Deep excavation and tunnelling in soft ground,” State of art, Proc. 7th Int. Conf. On soil Mech. Found. Eng., State of Art Volume, pp.225~290.
[13] Perez Saiz, A .et al (1981). “Experience gained through tunnel instrument- tation,” Proc. 10th Int. Conf. On Soil Mech. and Found. Eng., pp.345~352.
[14] Rankin,W.J. (1988). “Ground movement resulting from urban tunneling, ” Proc. Conf. Engng Geol. Underground Movements, Nottingham, pp.79-92. London Geological Society.
[15] Schmidt,B. (1969). “Settlements and ground movements associated with tunnelling in soil, ” PhD thesis, University of Illinois.
[16] 王繼勝等人(1988).「潛盾工法與地表沉陷」,地工技術雜誌第二十三期,第72-83頁.
[17] 廖銘洋(2001). 「潛盾機評選與開挖面穩定機制之探討」,碩士論文,國立海洋大學, 基隆.
指導教授 李崇正(Chung-Jung Lee) 審核日期 2003-7-16
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