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本文根据小水电工程特点，针对不同地形地质条件，提出了在非岩石地基上创造性地建造一批新型、不同结构型式的软基硬壳溢流坝。此法不仅简化了拦河坝坝身结构，而且大大降低工程造价，情况良好。
According to the characteristics of small hydropower projects, aiming at different topographic and geological conditions, a series of new and different types of soft foundation hard-shell overflow dam are creatively constructed on non-rock foundation. This method not only simplifies the barrage dam body structure, but also greatly reduces the project cost, in good condition.