摘要
我国地域辽阔,滑坡灾害分布广、数量多、危害大,且大多发生在已查明的地质灾害隐患点范围外。目前滑坡监测主要以位移和变形为预警指标,在突发性强的岩质滑坡预警中效果并不理想。滑坡在失稳破坏前其内部岩土体损伤和结构变化会产生固定频段的次声波,这使基于次声的滑坡监测预警技术得以实现。该文阐述基于次声的滑坡监测技术原理和研究现状,提出滑坡次声监测预警技术面临的挑战和未来展望,以期能为该项技术的发展和应用提供思路。
China has a vast territory.Landslide disasters are widely distributed,numerous and harmful,and most of them occur outside the scope of identified geological hazard potential points.At present,for landslide monitoring,we mainly take displacement and deformation as early warning indicators,and the effect is far from ideal in the early warning of sudden rock landslides.The internal rock and soil mass damage and structural change of the landslide will produce fixed frequency band infrasonic wave before its instability and failure,which makes the landslide monitoring and warning technology based on infrasonic wave possible.This paper expounds the principle and research status of infrasound based landslide monitoring technology,puts forward the challenges and future prospects of infrasound monitoring and early warning technology for landslide,in order to provide ideas for the development and application of this technology.
出处
《科技创新与应用》
2023年第14期7-12,17,共7页
Technology Innovation and Application
基金
中国科学院西部学者A类项目(E2296201)
重庆市自然科学基金项目(cstc2021jcyj-msxmX0187)。
关键词
地质灾害
滑坡
次声波
监测预警
研究进展
geological hazards
landslide
infrasound
monitoring and early warning
research progress
作者简介
第一作者:贾东铭(1996-),男,硕士研究生。研究方向为地质灾害监测预警;通信作者:陈乔(1982-),男,博士,副研究员,硕士研究生导师。研究方向为地球物理和地质灾害监测预警。
