挡水条件下坝体混凝土水下拆除技术研究  

Study of underwater demolition technology of concrete dam body under water retaining condition

作　　者：陈荣华[1] CHEN Rong-hua(Guangxi Water&Power Design Institute Co.,Ltd.,Nanning 530023,China)

机构地区：[1]广西水利电力勘测设计研究院有限责任公司,南宁530023

出　　处：《广西水利水电》2023年第6期92-98,共7页Guangxi Water Resources & Hydropower Engineering

摘　　要：采用理论分析、数值模拟及工程类比等方法,研究了桂平航运枢纽水电站扩机工程混凝土结构拆除爆破影响,确定了坝体混凝土拆除施工方案,以及爆破振动、水击波、噪声及飞石的安全控制标准,评价了爆破振动、水击波、噪声及飞石等负面效应的影响并提出了相应的控制措施。By use of theoretical analysis,numerical simulation and engineering analogy,the author studied the im⁃pact of blasting demolition of concrete structure for Guiping Navigation Complex Expansion Project,determined the demolition construction scheme of concrete dam body and the safety control standard of blasting vibration,surge wave,noise and flying stone,evaluated the negative impact of blasting vibration,surge wave,noise and flying stone,and put forward corresponding control measures.

关 键 词：爆破 振动 水击波 噪声 飞石 桂平船运枢纽 

分 类 号：TV52[水利工程—水利水电工程]