陕西省高峰二级小水电站站前小河,由于汛期洪水较大,曾采用浆砌石护岸。1979年5月一场洪水将护岸的基础淘空了,为此,砌了两道淹没顺丁字坝(参见附图),目的是为了将洪水主流挑至河中心,从而保护护岸基础。但是结果适得其反,护岸基础越淘越空,河中心的淤积也越来越 Shaanxi Province peak two small hydropower station before the small river, due to floods in flood season, has used masonry revetment. In May 1979, a flood washed the foundation of the revetment into a pan-air space. For this purpose, two flood-damped Shun dams (see the attached figure) were constructed in order to protect the foundation of the revetment by mainstreaming the flood to the river center. However, the result was counterproductive. The foundation of the bank protection was getting more and more empty. The river center deposition was also getting worse