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宁夏永宁县黄河东升段属沙质河床,河岸崩塌历年可见。曾用草木埽、铅丝笼装石防治塌岸,不但费时费料造价高,而且收效甚微。1992年11月,主流直冲东升四队居民点,到1993年元月河岸向西塌移约700m,崩塌段长达1000m,塌毁农田近千亩,塌毁民房15间。在自治区政协副主席吴尚贤同志的倡导下,采用木架附重四面体对塌岸进行抢护,效果十分明显。
Yongning County, Ningxia Yellow River Dongsheng segment is a sandy riverbed, bank collapse can be seen over the years. Once used grass mulberry, lead wire cage stone prevention reservoir bank collapse, not only time-consuming material costs high, but with little success. In November 1992, the mainstream went straight to the settlements of the four teams in Dongsheng. By the year 1993, the river bank collapsed about 700m to the west and the collapsed length was as long as 1,000m. It collapsed nearly 1,000 mu of farmland and destroyed 15 houses. At the initiative of Comrade Wu Shangxian, vice chairman of the Chinese People’s Political Consultative Conference (CPPCC) of the autonomous region, the use of wooden frame-attached tetrahedrons to steal banks and collapses has a very clear effect.