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基于改进切线角和变形速率的滑坡预警——以湖南省石门县雷家山滑坡为例
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作者 陈全明 黄炜敏 李姣 《中国地质灾害与防治学报》 CSCD 2024年第5期133-140,共8页
为了研究湖南省滑坡监测预警方法,提高预警成功率,以石门县雷家山滑坡为例展开研究。通过对灾害现场进行详细地质调查,对滑坡特征进行了描述,初步阐述了滑坡发生的成因机理。研究结果表明,独特的地形地貌、结构松散的土体是滑坡形成的... 为了研究湖南省滑坡监测预警方法,提高预警成功率,以石门县雷家山滑坡为例展开研究。通过对灾害现场进行详细地质调查,对滑坡特征进行了描述,初步阐述了滑坡发生的成因机理。研究结果表明,独特的地形地貌、结构松散的土体是滑坡形成的内在因素,强降雨和工程切坡活动是导致滑坡的外因。基于GNSS系统获取滑坡的全过程变形-时间曲线,并对变形曲线特征进行分析,发现该滑坡具有明显的初始变形、等速变形、加速变形三阶段演化特征,属于渐变型滑坡。将切线角和变形速率阈值作为滑坡预警的重要指标,建立了预警判据,并对接群防群测信息平台,可以为相关部门展开防灾减灾工作和应急响应提供直接依据。雷家山滑坡实现成功避险,验证了该监测预警方法的实用价值。 展开更多
关键词 滑坡 成功避险 预警判据 改进切线角 变形-时间曲线 人技融合
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Promote the Development of Military Science and Technology Talents Civil-military Integration
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作者 ZHOU Lei XIE Zhenkai DU Jiagang 《International English Education Research》 2015年第2期40-41,共2页
Flexibly in recent years, the army strategy, earnestly implement the talent of military science and technology talents of military and civilian integration type development has carried on the positive exploration and ... Flexibly in recent years, the army strategy, earnestly implement the talent of military science and technology talents of military and civilian integration type development has carried on the positive exploration and obtained certain achievements. But there are low levels, pertinence is not strong, the introduction of fewer problems, it has both idea lag, the train of thought is not open, also has the system and mechanism is not perfect, imperfect laws and regulations and so on. We should start from mastering the characteristics of civil-military integration rule, renew the idea, and actively push forward scientific and technological personnel civil-military integration to a higher level, the deeper development. 展开更多
关键词 science and technology talents construction military and civilian integration
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