本文選題：公路隧道 + 泥水盾構　； 參考：《鐵道標準設計》2015年10期

【摘要】：揚州瘦西湖隧道采用舊泥水盾構設備全斷面穿越膨脹性黏土地層,施工過程中泥漿產(chǎn)量大、難以分離,并且容易引發(fā)黏土塊黏附刀盤、堵塞排泥系統(tǒng)等問題,從而影響施工的正常進行。針對揚州瘦西湖隧道工程環(huán)流系統(tǒng)面臨的難題,對盾構刀盤的刀具進行重新選型和配置,對沖刷系統(tǒng)和環(huán)流管路進行一系列改造,通過室內(nèi)模擬實驗揭示黏土塊溶崩破碎規(guī)律,實現(xiàn)了黏土塊的塊狀切削和泥漿減量化,防止了刀盤結餅、泥水管路堵塞,形成了全斷面黏土地層高效環(huán)流及出渣技術,保證了工程的順利實施,產(chǎn)生了極大的經(jīng)濟效益。
[Abstract]:In Yangzhou Shianxihu Tunnel, the old mud shield equipment is used to cross the expansive clay stratum. During the construction process, the mud production is large, it is difficult to separate, and it is easy to cause the clay block to stick to the cutter head, to block the mud drainage system, and so on. Thus, the normal construction is affected. In view of the difficult problems faced by the circulation system of Yangzhou thin Xihu tunnel project, the cutting tools of shield cutters are re-selected and configured, a series of revamping of scour system and circulation pipeline are carried out, and the rules of clay mass dissolving and breaking are revealed through indoor simulation experiments. The block cutting and mud reduction of clay block are realized, and the cutter plate and cake are prevented, the clogging of mud-water pipeline is prevented, and the high-efficient circulation and slagging technology of the whole section clay formation are formed, which ensures the smooth implementation of the project and produces great economic benefits.
【作者單位】： 中鐵十四局集團有限公司;
【分類號】：U455.43

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相關期刊論文 前9條

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本文編號：2088657