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液态CO_(2)相变致裂技术在水下清礁中的应用

Application of liquid CO_(2) phase transition fracturing technology in subaqueous reef cleaning
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摘要 液态CO_(2)相变致裂是以CO_(2)为介质的物理膨胀过程,具有良好的安全性、可控性、适用性。目前,该技术在水下清礁中的应用案例较少,尚缺乏指导性操作方案。文章通过福建南平港延平新城港区洋坑作业区码头工程实例,提出CO_(2)相变致裂单孔能量计算方法,以及单方岩石致裂TNT当量初步取值,阐述了该技术在水下清礁施工中的主要技术参数推算方法。 Liquid CO_(2)phase transition fracturing involves a physical expansion process using CO_(2)as the medium,characterized by its excellent safety,controllability,and applicability.Currently,there are few case studies on the application of this technology in subaqueous reef cleaning,and there is a lack of instructive operational schemes.Based on the example of the wharf project in Yangkeng operation area of Yanping New City Port,Nanping Port,Fujian,the calculation method of CO_(2)phase transition fracturing single-hole energy and the preliminary value of TNT equivalent required for a cubic reef fracturing are proposed,and the calculation method of main technical parameters of this technology in subaqueous reef clearing construction is described.
作者 黄一靖 HUANG Yi-jing(Fujian Port and Waterway Investigation and Design Institute Co.,Ltd.,Fuzhou,Fujian 350002,China)
出处 《中国港湾建设》 2024年第9期82-87,共6页 China Harbour Engineering
关键词 液态CO_(2) 相变致裂 物理膨胀 水下清礁 liquid CO_(2) phase transition fracturing physical expansion subaqueous reef cleaning
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