Since the September 21 earthquake hit Taiwan, the government has attached great importance to the potential geological disaster and has considered its prevention a key task.According to the statistics on major open pit disasters over the past 20 years, both the total number of fallen rocks and landsides and the deaths of people caused have reached as high as 50 percent.Therefore, it is necessary to conduct an analysis and research on the stability of slopes at those open pits and work out measures and put forward a plan to prevent and control them so as to promote safety in open pit production and water and soil conservation.Today, our mining industry is mainly in eastern Taiwan, and most of our open pits are in Hualien. Therefore, this research is exclusively targeted for Asia Cement Plant’s marble pit at Hsinchengshan in Hualien.
