黄河大堤的现状,问题及加固措施

黄河大堤堤线较长，堤基地质情况复杂，主要工程地质问题有渗透变形，液化，沉降与不均匀沉降以及老口门等，堤身存在着土料复杂，碾压不密实，隐患多，防洪标准低等问题，因此堤防加固在黄河下游防洪工程中占有重要地位。加固措施有抽水洇堤，压力灌浆，放淤及吹填固堤，减压及导渗，地下截渗等，并已取得显著效果。今后还应大力开展新材料，新技术的引进推广工作，加强隐患探测技术的研究试验，积极推进吹填固堤与引黄泥沙相结合，

Present Situation,Problems and Strengthening Measures of the Yellow River Dike

The bulkhead line of the Yellow River dike is long and the geological condition of dike foundation iscomplicated.Main geological problems include seepage deformation,liquidation,settlement,non-uniform set-tlement and other problems.There are problems in the dike,such as complicated earth and other materials,insufficient compaction,potential troubles,and low flood control level.So dike strengthening plays an im-portant role in flood control in the lower Yellow River.The strengthening measures include pumping waterto soak dike to make it solid,pressure grouting,warping,hydraulic strengthening,pressure reduction,seep-age diversion and under ground seepage cut-off.These strengthening measures have generated obvious bene-fits.In the future,introduction and spreading of new materials and new technology should be strengthened,research and experiment of technology for detecting hidden troubles should be enforced.In order to increaseengineering benefits including ecnomic benefit,hydraulic strengthening measure should be combined withthe disposal of sediment in diverting water from the Yellow River to remove disasters and generate benefits.