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[期刊论文] 作者：FANG Jiang-hua,ZHANG Zhi-hong,
来源：煤炭学报（英文版） 年份：2006
At present the bored construction method is one of the main construction methods of metro and tunnel construction in China. The empirical estimated formulas of tunnel ground surface settlement using the bored construction method were obtain......
[期刊论文] 作者：FANG Jiang-hua(方江华),ZHANG Zhi-hong(张志红),MA Qin-yong(马芹永),
来源：煤炭学报（英文版） 年份：2003
Through analysis on drillability of frozen soil, it is concluded that the main factors affecting the drillability of frozen soil are temperature, wave velocity, impact inductility and chiseling specific work. Based on the foundation it is d......
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