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水利电力部在河北省水利厅及河北省邢台县等單位协助下,于1959年1月10日召开了东川口定向爆破筑壩試驗工程现场会議。会議听取了設計、施工、爆破技术以及科学研究等方面的报告,并且通过讨论,各單位相互交流了經驗。爆破試驗組的同志们,经过6晝夜的苦战,克服了施工中許多意外的困难,終于在13日中午准时起爆。这次定向爆破,在我国水利建設中是第一砲,根据用輔助药包控制抛擲方向的办法作出工程设计,设計要求前排3个辅助药包为后面2个主药包开辟一个有利的临空面,主药包迟发4秒鐘,將岩石抛向预定的拋擲中心,堆填起壩体所需要的大部分的石方。 壩址附近,河道弯曲是定向爆破有利的地形条件,右边凹岸高70公尺,左边凸岸高30公尺,河槽
With the help of the Hebei Provincial Department of Water Resources and Xingtai County of Hebei Province, the Ministry of Water Resources and Electric Power held a on-site meeting of Dongchuankou directional blasting dam construction on January 10, 1959. The meeting heard reports on design, construction, blasting technology and scientific research, and through discussions, all units exchanged their experiences. After six days and nights of hard work, many comrades in the burst test group overcame many unexpected difficulties in construction and finally detonated on time at 13 noon. This directional blasting is the first shot in water conservancy construction in our country. According to the method of controlling the throwing direction with the auxiliary medicine bag, the design requires that three auxiliary medicine bags in the front row open up an advantage for the two main drug bags behind Of the temporary empty surface, the main package delayed for 4 seconds, the rock thrown to the scheduled throwing center, heap fill most of the stone needed for the dam body. Near the dam site, the bend of the river is favorable for the directional blasting. The right bank is 70 meters high and the left bank is 30 meters high.