By use of deep-hole millisecond blasting technique, four large-volume bridge piers under complicated circumstances were successfully demolished.
用深孔微差爆破技术成功地拆除了复杂环境下的四个大体积桥墩。
The blasting result shows that the blasting design of water tower demolition in the complicated circumstances and various safety protection measures are reasonable and feasible.
爆破结果表明，本次在复杂环境下拆除水塔的爆破设计及各项安全防护是合理的，可行的。
The design and implementation of shallow hole smooth blasting and springing blasting in complicated circumstances are introduced on the basis of field test.
结合工程实践，介绍在复杂条件下，进行浅眼光面爆破与药壶控制爆破相接合的设计与施工经验。
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