Page 127 - 捷運技術 第42期

捷運技術半年刊 第42 期 115

新莊線 ( 市區段 ) 潛盾隧道環片灌漿孔封圈環塞止水裝置

之實務探討－以 CK570A 標為例

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ੵ؛৅ c୿ܔ׀ cරқಊ cˮқಝ 4
摘 要
˜ၽ̏ઠ༶อ୿ᇞCK570Aਜݬᅺʈ೻™ආБୋɓૢᆑ޷ᎆ༸݄ʈࣛd೯ତᆑ޷ዚઢ

ආהҁϓʘᆑ޷ᎆ༸ߠ෬ᙺᆉˆ(˴ࠅ͜௄މ෬໾ᎆ༸ᐑ˪ଡ଼ͭҁϓܝdᐑ˪ၾήɨɺᘎ
ʘ٤ქ)௔ᚃϞသ˥ʘઋҖd຾ሜݟ೯ତᗳЧߠ෬ᙺᆉˆသ˥ʘઋҖdί਷ʫ̮ᎆ༸ʈ೻
݄ʈʕࠖϞ೯͛dҷഛ˙جո್΢ϞѶ˙dШೌج͉࣬༆ӔΎϣဍ˥̙ٙঐ׌fیਜʈ

೻ஈʈ೻̡ၾᆑ޷ᎆ༸݄ʈᅀਠሜݟʱؓ޴ᗫသဍ˥ࡡΪʿҷഛ࿁ഄਖ਼ࣩ޼Ӻϓ؈dԨ
০࿁˜อ୿ᇞCK570Aਜݬᅺʈ೻™ᎆ༸ᐑ˪ᙺᆉ၍သဍ˥ҷഛཀ೻e˙جʿഐ؈ආБʱ
ؓઞীd˸ಂϞࣖ༺Ց౤৷ઠ༶ᆑ޷ᎆ༸ʘʈ೻ۜሯf
ᗫᒟ൚jသ˥

Practical Grout Plug Sealing Devices for Shield Tunnel Lining Segments at

Xinzhuang Line Taipei City Section—Taking CK570A Project as an Example

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Wu-Hsun Chang Steve Juang Chee Tong, Ng Chin-Chih Wang
Abstract
During the construction of the down track tunnel for Taipei MRT Xinzhuang line Section
Contract CK570A, water seepage was found from the backfill grout holes (the main purpose

of grouting is to fill the gap between segmental lining and earth after the installation of tunnel
segments) of installed segments. After investigation, it was found that this type of water
leakage from grouting holes commonly occurs in tunnel construction work both domestically
and abroad. A variety of remedial methods to deal with this problem are used but no absolute

solution has been reached. Joint investigation and research was carried out between engineers
of the South District Project Office (SDPO) and tunnel contractor to analyze the cause of
the leakage and come up with a remedial method to deal with it. This article describes the
Xinzhuang line Section Contract CK570A tunnel segment grouting hole leakage improvement

process, method used and result obtained, then further analyzes in a probe aimed at efficiently
upgrading the construction quality of transit system shield tunneling work.
Keyword: water seepage

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