关于礁石区管沟爆破沟底宽度的探索
Optimum Ditch Bottom Width in Reef Area Using Blasting Ditching Method
浏览(2401) 下载(1)
- DOI:
- 作者:
- 杜胜伟, 栾希炜, 邵怀海
DU Sheng-wei, LUAN Xi-wei, SHAO Huai-hai
- 作者单位:
- 胜利油田胜利工程设计咨询有限责任公司, 山东东营 257026
Shengli Engineering & Consulting Co., Ltd., Dongying 257026, China
- 关键词:
- 海底管道;礁石区;管沟;爆破
subsea pipeline;reef area;ditch;blasting
- 摘要:
- 针对国内目前尚无在较深水域和较长距离礁石区进行大口径管沟爆破先例的情况,结合福建炼化合资公司的海底管道施工项目,进行了礁石区管沟爆破沟底宽度的探索。文章介绍了本次爆破炸药单耗、炮孔参数,比较了沟宽3m和6m的爆破清礁效果。实践证明,在水深20m左右的区域,对于管沟底宽6m、边坡比0.67的爆破成沟,在目前国内技术装备下清礁效果可以达到铺管要求,但施工船只设备效率不高。
There is no domestic precedent of the ditch blasting for large diameter pipeline passing relatively deep water and relatively long distance in reef area.In a subsea pipeline project of Fujian Petroleum Refining and Chemical Venture Co.,the optimum ditch bottom width in reef area using blasting approach is explored.This paper describes the unit rendrock consumption and shothole parameter, and compares the blasting effects between 3m and 6m ditch bottom widths.The practice shows that using current domestic equipment to excavate a ditch of 6m bottom width and 0.67 slope ratio in reef area at 20m water depth by blasting is able to meet pipelaying requirement but has low operation efficiency of construction vessels.2008,1(1): 31-32 收稿日期：2007-8-29分类号：TE973作者简介：杜胜伟(1974-),男,山东菏泽人,工程师,1996年毕业于中国石油大学(华东)石油天然气储运专业,现从事海洋工程技术工作.参考文献：
[1] 翁春林,叶加冕.工程爆破[M].北京:冶金工业出版社,2006.
[2] 姜正模.管道穿越河流的爆破成沟设计[J].石油工程建设,1991,17(3): 35-37.
[3] 张永卿.深水中深孔炸礁爆破的实践[J].爆破.2005,22(1):83-84.
[4] 杨享衢.爆破漏斗叠加成槽技术在管沟开挖中的应用[J].工程爆破,2004,10(1):44-47.