复杂环境电梯试验塔定向控制爆破拆除实践
投稿时间:2021-02-04  修订日期:2021-10-14  点此下载全文
引用本文:
摘要点击次数: 108
全文下载次数: 0
作者单位邮编
韩文红 核工业南京建设集团有限公司 211102
中文摘要:本文介绍了采用控制爆破技术拆除钢筋混凝土电梯试验塔的设计及施工过程,对爆破效果进行了分析总结。针对剪力墙结构电梯井特点,对非承重结构剪力墙、柱梁以及部分承重剪力墙进行预拆除,确定合理的爆破高度、切口形式和倾倒角度;采用合理半秒延期时间增加了结构物作用时间,保证了电梯试验塔按照设计失稳倒塌。对安全防护设计进行校核,爆破后未对周围环境和设施造成影响,达到了预期的爆破拆除效果。
中文关键词:电梯  钢筋混凝土  控制爆破  爆破参数  预处理
 
Directional Controlled Demolition of Elevator Test Tower Under Complex Environment
Abstract:This article introduces the design and construction process of using directional controlled blasting technology to demolish the reinforced concrete elevator test tower, and analyzes and summarizes the blasting effect. In accordance with the characteristics of the elevator shaft of the shear wall structure, pre-demolition of the non-load-bearing structure shear wall, column beam and part of the load-bearing shear wall was carried out to determine a reasonable blasting height, cut form and dumping angle; a reasonable half-second delay time was adopted to increase the structure The material action time ensures that the elevator test tower is unstable and collapsed according to the design. The safety protection design was checked, and the surrounding environment and facilities were not affected after blasting, and the expected blasting demolition effect was achieved.
keywords:Elevator  Reinforced concrete  Controlled Demolition  Blasting parameters  Pretreatment
  查看/发表评论  下载PDF阅读器