人民长江
人民長江
인민장강
YANGTZE RIVER
2015年
2期
37-39
,共3页
爆破拆除%爆破参数%振速控制%安全防护%向家坝水电站
爆破拆除%爆破參數%振速控製%安全防護%嚮傢壩水電站
폭파탁제%폭파삼수%진속공제%안전방호%향가패수전참
blasting removal%blasting index%vibration control%safety protection%Xiangjiaba Hydropower Station
为给向家坝水电站左岸电站副厂房施工创造良好条件,需快速拆除二期纵向导墙厂房段。结合向家坝工程现场实际,在分析爆区周边构筑物特点及爆破安全振速的基础上,提出了详细的爆破设计方案,具体涉及爆孔设置、爆破参数选取、装药与堵塞,网络联接等。爆后检查表明,实际爆破效果良好,爆破振动控制指标达到设计要求。其爆破设计与施工技术方案可供其他工程借鉴。
為給嚮傢壩水電站左岸電站副廠房施工創造良好條件,需快速拆除二期縱嚮導牆廠房段。結閤嚮傢壩工程現場實際,在分析爆區週邊構築物特點及爆破安全振速的基礎上,提齣瞭詳細的爆破設計方案,具體涉及爆孔設置、爆破參數選取、裝藥與堵塞,網絡聯接等。爆後檢查錶明,實際爆破效果良好,爆破振動控製指標達到設計要求。其爆破設計與施工技術方案可供其他工程藉鑒。
위급향가패수전참좌안전참부엄방시공창조량호조건,수쾌속탁제이기종향도장엄방단。결합향가패공정현장실제,재분석폭구주변구축물특점급폭파안전진속적기출상,제출료상세적폭파설계방안,구체섭급폭공설치、폭파삼수선취、장약여도새,망락련접등。폭후검사표명,실제폭파효과량호,폭파진동공제지표체도설계요구。기폭파설계여시공기술방안가공기타공정차감。
In order to create favorable condition for construction of auxiliary powerhouse at the left bank of Xiangjiaba Hydro -power Station , the powerhouse section of the second stage longitudinal guide wall should be quickly removed .In combination with the practical condition of Xiangjiaba Hydropower Station , a detailed blasting design was proposed on the basis of analyzing the structure characteristics near the blasting region and the blasting safety vibration velocity , including arrangement of blasting holes, blasting parameters selection , explosive charge and jam , network connection , etc..The check after blasting shows that the blasting design obtains good effect and the blasting vibration control index meet the design demand.