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开发水电工程时,整体经济性(包括工程造价、投资收益和回报周期)是比较方案的决定性因素。由于每项工程的坝址环境不同,以及其自身所具有的难点,应用工程师始终致力于为工程提供一座更安全、更经济、更耐用和更持久的大坝。因此,根据大坝的目的和建筑材料,在大坝工程建设史上,开发和修建了各种类型的大坝,空腹混凝土重力坝在这些坝型中占据了重要一席。
When developing hydropower projects, the overall economy (including project cost, investment income and payback period) is the decisive factor in comparing programs. Due to the different dam environments for each project and their own difficulties, the application engineer has always been committed to providing a safer, more economical, more durable and longer-lasting dam for the project. Therefore, according to the dam’s purpose and construction materials, various types of dams have been developed and constructed in the history of dam construction, and the fast-growing concrete gravity dam occupies an important position in these dams.