| 城区复杂环境213t炸药大区深孔爆破技术 |
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| 作者单位： | ;1.大昌建设集团有限公司;2.大昌建设集团与浙江海洋大学联合专家院士工作站;3.浙江海洋大学传播与机电工程学院 |
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| 摘 要： | 介绍了城区复杂环境大区露天深孔爆破技术在牛头山剩余山体爆破工程中的应用。工程采用复杂环境大区深孔毫秒延时、逐孔起爆的一次性爆破方案。爆区预处理技术创造了良好的自由面,优质的爆破器材、合理的毫秒延时时间及可靠的网路搭桥技术,精心的施工组织及充分的爆前准备确保了爆破效果及施工过程的高质量、高效率、安全有序。该项爆破技术具有对周边居民及有关单位生活、工作影响程度最低,施工周期短、综合效益好的优点,对类似工程具有借鉴意义。
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| 关 键 词： | 复杂环境 大区深孔爆破 预装药 施工组织 爆破效果 |
Blasting technique of 213 t dynamite large-scale deep-hole in complex environment of urban area |
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| Affiliation: | ,Darch Constrction Group Co.,Ltd.,The United Academician Workstation of Blasting Branch of Darch Constrction Group Co.,Ltd.and Zhejiang Ocean University,School of Naval Architecture and Mechanical-electrical Engineering,Zhejiang Ocean University |
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| Abstract: | The large-scale deep-hole blasting with millisecond delay was introduced in urban area complex environment,it was carried out in the project of the remaining mountain of Niutoushan.The one-time blasting scheme of large-scale deep-hole blasting with millisecond delay and blasting hole by hole was applied in complex environment.The good free surface of blasting area was created by pretreatment technology.High-quality explosive material,reasonable millisecond time delay and reliable bypass technology,elaborative construction organization and adequate preparations before blasting,the blasting effect and the construction process high-grade,efficient,safe and orderly were ensured.The technique had lowest degree of influence to the surrounding residents and units,shortest construction period and good comprehensive benefits.The project could provide a reference for similar projects. |
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| Keywords: | Complex environment Large-scale deep-hole blasting Pre-charge Construction organization Blasting effect |
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