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以台山核电取水隧洞利用爆破后注浆加固再掘进为例,事后对该事件处理的资料和数据研究分析,得出结论:泥水盾构掘进过程中对于硬岩可以采用爆破后注浆加固再掘进的办法解决;为方便盾构顺利掘进,应对硬岩处理过程中特别注意爆破和注浆加固的效果以及掘进时各项参数的设定。
Take Taishan nuclear power station after the blasting blasting grouting reinforced re-excavation as an example, after the incident handling data and data analysis, concluded that: during the tunneling process of muddy water shield for the hard rock can be grouted by blasting and then re-excavation ; In order to facilitate smooth shield tunneling, special attention should be paid to the effect of blasting and grouting reinforcement in hard rock processing and the setting of various parameters during tunneling.