颗粒分析试验是用于测定土中各粒组占土粒总质量百分数的试验。当大于0.074mm颗粒超过试样总质量15%时，先用筛析法对于粒径小于0.074mm无法筛分的颗粒用密度计法或移液管法测定各粒组的相对含量。最后绘制颗粒粒径的分布曲线供土分类使用。
提出了密度计法颗粒分析试验的一种曲线拟合及修正方法，经验证效果较好。
A curve fitting and revising methods to solve hydrometer grain analysis is presented, and proved good satisfactory.
几乎所有的士工试验规范均要求细碎屑土在颗粒分析前进行浸泡处理。
Almost every soil test code demands soaking treatment for fine clastic soil before grain -size analysis.
通过泥沙模型试验研究，分析不同入库水沙条件下进入取水口内水流的含沙量和颗粒级配，水库对泥沙的沉降率。
By the experiment of sand model, an investigation of silt content, rank of silt grain and silt deposition rate under different conditions of water and silt have been obtained.
应用推荐