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題 名 | 以二次注入灌漿控制潛盾施工引致之沈陷=Reduce the Ground Settlement by using the Secondary Grout Injection in Shield Tunnelling |
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作 者 | 賴慶和; 余明山; 吳建閩; 吳偉康; | 書刊名 | 地工技術 |
卷 期 | 60 1997.04[民86.04] |
頁 次 | 頁83-96 |
分類號 | 441.9 |
關鍵詞 | 潛盾隧道; 土壤漏失; 二次注入灌漿; 沈陷; Shield tunnel; Ground loss; Secondary grout injection; Settlement; |
語 文 | 中文(Chinese) |
中文摘要 | 潛盾隧道施工時,因背填灌漿不易確實執行而造成地表過量沈陷之工程問題時有 所聞,因此在土壤漏失所引致之沈陷效應尚未傳導至地表,即掌握時機自隧道內對地層施以 二次注入灌漿填充土層中空隙之施工案例日益增加。本文將探討隧道四周土壤漏失、背填 灌漿與地表沈陷的關係,以說明二次注入灌漿減少地表沈陷之機制及施工方式,進而藉由 案例探討以了解實際工程施工之灌漿時機、範圍、管理、材料及成效,供未來類似工程施 工之參考。 |
英文摘要 | Significant ground settlement has been observed from time to time during shield tunnelling when backfill grout injection is not carried out accurately. It becomes more popular to use seondary grout injection at the proper time before the influence of ground loss to the surrounding medium extended to ground surface and to prevent/or reduce the ground settlement. This paper will begin with explaining the relation between ground loss, backfill grout injection, and ground settlement. It also discribes the mechanism and applicationof of secondary grout injection in reducing ground settlement. Case study focusing on the timing, area, construction management, material and effects of the secondary grout injection will also be given. It is expected that this paper can provide some valuable data for similar case in the future. |
本系統中英文摘要資訊取自各篇刊載內容。