我国自1959年开始采用定向爆破法筑坝,已建成40余座。但是,至今对于究竟能否用定向爆破法筑坝,尚有各种不同见解。如能集思广益,展开一场认真的讨论,对我国今后的筑坝事业将是很有益的。石砭峪水库是我国定向爆破筑坝装药量最大的一次,自1973年5月10日爆破,至今已近10年时间,虽经历了因爆设计、因爆施工和 Since 1959, China has used directional blasting method to build dams, and more than 40 seats have been built. However, up to now, there are various opinions on whether we can use damming by directional blasting. If we can draw on collective wisdom and start a serious discussion, it will be very beneficial to our future dam construction. Shiyan valley reservoir is the largest amount of directional blasting dam construction in China, since May 10, 1973 blasting, it has been nearly 10 years, although experienced because of blasting design, due to burst construction and