参加这次会议,听了许多同志的讲话,使得对于在多泥沙河流上用快速方法修造土石坝的问题,格外提高了信心,把以前的一些想法也提高了一步。今天拟结合实际例子讲讲我的想法。在黄河和永定河干支流这些多泥沙的河流上修造土石坝的方法,不仅可以不用坝面,可以不用围堰,而且还可以减少施工设备和减少筑坝材料。不象修建混凝土坝,不仅要开采设备还要拌和设备,象三门峡上自灵宝,下至坝址区这一套辅助工程就用了二年多 Attending this meeting and listening to the speeches of many comrades raised the question of confidence in the rapid method of building earth and rock dams on a river with many sediments and took some of the previous ideas one step further. Today, I would like to talk about my ideas based on practical examples. The method of building earth-rock dams on these sediment-laden rivers, such as the Yellow River and the Yongding tributaries, can eliminate the need for dams, eliminate the need for cofferdams, and reduce construction equipment and damming materials. Unlike the construction of concrete dams, not only to mining equipment but also mixing equipment, such as self-Lingbao Sanmenxia, ​​down to the dam area of ​​this ancillary works on the use of more than two years