复杂环境下高耸建筑物爆破触地振动控制措施BLASTING VIBRATION CONTROL MEASURES OF TOWERING BUILDING BLASTING DEMOLITION IN COMPLEX ENVIRONMENT
王春玲,梁为民,张英才,盖四海
WANG Chun-ling,LIANG Wei-min,ZHANG Ying-Cai,GAI Si-hai
摘要(Abstract):
以复杂环境下一座150m钢筋混凝土烟囱爆破拆除为例,分析了高耸建筑物塌落触地振动产生的危害。介绍了爆破切口位置和爆破参数的选取、安全防护措施、减小振动和产生次生危害的措施,对比分析了爆破振动监测结果与最终爆破效果,保证了周边建筑物和各种管线的安全,达到了预期的效果,可为类似工程提供参考。
Taking a 150m high reinforced concrete chimney blasting demolition project in complex environment for instance,hazards of towering building collapsing touchdown vibration were analyzed.The selection of blasting cut and blasting parameters,and measures of safety protection,reducing vibration and secondary hazards were introduced also.On this basis,blasting vibration monitoring results and blasting effects were compared.Analysis showed that those measures ensured the safety of the surrounding buildings and various pipelines and achieved the expected results.It could provide a reference for similar projects.
关键词(KeyWords):
高耸建筑物;触地振动;次生危害;减振措施
Towering building;Touchdown vibration;Secondary hazards;Vibration reduction measures
基金项目(Foundation):
作者(Author):
王春玲,梁为民,张英才,盖四海
WANG Chun-ling,LIANG Wei-min,ZHANG Ying-Cai,GAI Si-hai
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