(一)概论高的混凝土坝,在混凝土舖設后,用埋設水管对混凝土加以人工冷却,作为对坝体收縮稳定和避免裂縫的控制方法,被采用于美国、日本、欧洲国家,已有二十余年。直至今日,瑞士在施工中的大狄桑色重力坝,印度在兴建中 (I) Introduction High concrete dams, after laying concrete, are used to cool the concrete by buried pipes. As a control method to stabilize the dams and prevent cracks, they are adopted in the United States, Japan and European countries. Twenty I year. As of today, the construction of the Grand Ducisse Gravity Dam in Switzerland is under construction