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許朝陽(yáng)?。〒P(yáng)州大學(xué)水利與建筑工程學(xué)院　225009） 

呂國(guó)兵　（揚(yáng)州建筑工程公司  225001）

[提要]  揚(yáng)州市古城區(qū)由于地質(zhì)條件復(fù)雜，在時(shí)代廣場(chǎng)工程深基坑施工過(guò)程中，出現(xiàn)支護(hù)位移過(guò)大、坑底冒水現(xiàn)象，危及周?chē)ㄖ锏陌踩?。該基坑施工時(shí)采取了臨時(shí)加固，其設(shè)計(jì)、施工方法涉及到周?chē)鷺?gòu)、建筑物等非常見(jiàn)問(wèn)題的處理。針對(duì)這些方法和問(wèn)題作了較深入的分析與探討。
[關(guān)鍵詞]  古城區(qū)  復(fù)雜地基  支護(hù)  管涌  基坑加固

Due to complicate geological condition of ancient city, the displacement of supporting systems and piping was very large,which endangered the safety of the buildings nearby. Remedial measures are introduced, including strengthening of soil foundation,design and construction of temporary supporting systems and its further exploration.
Keywords: ancient city; complicate foundation; supporting systems; piping; strengthening; foundation pit