成都地铁隧道盾构法掘进中，刀具严重磨损成了制约工程顺利进行的一大难题。
Cutting tool wearing has become a difficult problem which restricts the tunnel advance in Chengdu Metro tunnel construction.
盾构掘进法开挖隧道引起的地表沉降对地面建筑物影响在地下工程施工中越来越受到人们的关注，而这个问题的关键是要对地表沉降进行预估。
The influence of surface subsidence on ground building, caused by shield tunneling is concerned by more people, but the key of this problem is to pre-estimate the surface subsidence.
经历过使用盾构机进行软土掘进和在困难地层及靠近重要构筑物条件下使用新奥法。
He is also experienced in soft ground tunnelling using tunnel Boring Machine and NATM methods carried out in difficult ground conditions and at close proximity to important structures.
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