工程爆破

2005, (04) 5-7+34

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爆破扰沙技术在黄河下游调水调沙中的应用探讨
APPLICATION OF BLASTING DISTURBANCE SEDIMENT TECHNOLOGY IN THE TEST OF WATER AND SEDIMENT REGULATION IN LOWER REACHES OF YELLOW RIVER

赵寿刚;林秀芝;江恩惠;沈细中;
ZHAO Shou-gang,LIN Xiu-zhi,JIANG En-hui,SHEN Xi-zhong(Yellow River Water Resources Committee,Yellow River Institute of Hydraulic Research,Zhengzhou 450003,China)

摘要(Abstract):

为了让尽量多的泥沙随水流输送到大海,有效减少下游河道淤积,黄河下游在调水调沙期间,要在河道实行扰动加沙。由于调水调沙试验的时间短,空间范围广,需要扰动的泥沙量巨大,而爆破能在规定的时间内释放出足够的能量,对河床泥沙进行足够强度和规模的扰动,而且水下爆破技术已经相当成熟。文中从爆破扰沙的方案设计、安全性及其爆破扰沙含沙量增量估算等方面进行了具体的探讨,论证了爆破扰沙技术在黄河下游调水调沙试验中应用的可行性。
For transporting sediment as much as possible to the ocean and reducing sediment deposition effectively in the lower reaches of Yellow River,sediment should be increased by the means of sediment disturbing during the test of water and sediment regulation.Resulting from the quite mature underwater blasting technology,the blasting in test of water and sediment regulation can release enough energy in set time,which can disturb the sediment with enough intensity and capacity,though the test was subjected to limited time,wide operation space and tremendous amount of sediment needed to be disturbed.This paper discusses the project design and safety in the blasting disturbance sediment together with the demonstration of feasibility of blasting disturbance sediment technology in the test of water and sediment regulation in the lower reaches of Yellow River.

关键词(KeyWords): 爆破;扰沙;调水调沙;可行性
Blasting;Disturbance sediment;Water and sediment regulation;Feasibility

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作者(Author): 赵寿刚;林秀芝;江恩惠;沈细中;
ZHAO Shou-gang,LIN Xiu-zhi,JIANG En-hui,SHEN Xi-zhong(Yellow River Water Resources Committee,Yellow River Institute of Hydraulic Research,Zhengzhou 450003,China)

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