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南京地铁一号线试验段工程盾构穿越内秦淮河存在诸多难点 ,其覆土仅 0 7m ,为目前国内外盾构隧道施工覆土最浅的隧道。根据地质和实际施工情况 ,采取建设性措施成功穿越了内秦淮河。
The Nanjing Metro Line 1 test section shield tunnel through the Qinhuai River there are many difficulties, the cover of soil is only 0 7m, at home and abroad for the construction of the shield tunneling the shallowest of the tunnel. According to the geological and practical construction, constructive measures have been taken to successfully cross the Qinhuai River.