eluvial

We aim to tackle the corrosion leakage of the casing in oil and water wells, and have developed the bracelet anode anti-corrosion casing.

针对大庆油田油水井套管腐蚀渗漏日趋严重 ,研制了手镯阳极防腐套管 。

With a tunnel which projects constructed in soft water environment, test study on the improvement of impermeability and erosion resistance of concrete with appropriate proportion of coal dust and water-reducing admixture was carried out.

结合隧道工程实例 ,介绍环境水为软水水质条件下 ,对混凝土掺入适量粉煤灰和减水剂以提高混凝土的抗渗耐蚀性能进行了试验研究和机理分析 ,给出了双掺配合比的确定以及混凝土的制备与使用效果。

The main form and characteristics of dike seepage inflow erosion,and analyses occurrence mechanism of the erosion are summarized.

渗流侵蚀对堤防危害很大 ,研究堤防渗流侵蚀机理及其治理对确保长江中下游安全渡汛具有十分重要的意义。