铜川市地质灾害及其防治对策

铜川市是陕西省地质灾害最严重的地区之一。由于大规模地开发煤炭资源及频繁的人类工程经济活动，使该市成为地质灾害的多发区。滑坡、崩塌、地面塌陷、地裂缝等地质灾害分布广，活动频繁，危害程度大。目前，已造成巨额的经济损失和大量人员伤亡，严重地制约着地方经济和社会的可持续发展，危害着人民群众生命财产安全。文中分析了该市地质灾害的主要类型及其分布特征，总结了地质灾害的成因机理。认为该市地质灾害是自然因素和人为因素在一定条件下共同怍用的结果。随着人类活动的日益加剧，人为因素已成为地质灾害发生的主导诱发因素。据统计，全市约有70％的地质灾害是由不规范的工程经济活动所诱发。由此进一步提出了该市地质灾害的防治原则和防治对策，力求有效地预防和减少地质灾害的发生。

Geologic disasters and control in Tongchuan City

Tongchuang City is one of the areas greatly suffered from geologic disasters in Shaanxi province.Because of a large scale of mining coal and engineering and economic activities,landslides rock falls,ground subsidences and ground fissures take place frequently and widely and cause considerable loss of life and properity,which have affected local economic and social development.According to the analysis of main types and their distribution features of geologic disasters,the cause and mechanism of the geologic disasters are discussed in this paper.It is thought that the geologic disasters in Tongchuan City are the results of interaction between nature factors and artificial factors in certain circumstance,and with the development of human activities,artificial factors have become leading factors.Based on the statistical data,about 70% of geologic disasters take place owing to nonstandard enginnering and economic activities.The principles of geologic disasters'control and corresponding countermeasures are put forward in order to reduce the loss of geologic disasters.