1) mixture of sand silt and clay
砂粉砂
2) silt
[英][sɪlt] [美][sɪlt]
粉砂
1.
Sediment movement on the silty coast during a storm;
粉砂质海岸大风天泥沙运动研究
2.
According to the pertinent regulations in GBJ123-88 geotechnieal test method standard,140 groups of 5 clas- sification methods of fine sand,silt and dust in Heihe city were performed in this paper.
本文根据《GBJ123-88——土工试验方法标准》的有关规定,对黑河市的细粉砂、粉土做了140组五种方法试验的比较研究后得出结论认为:"水洗筛析法"是可采用的比较准确,容易操作,既简单方便,又经济实用的颗粒分级方法。
3) silty sand
粉砂
1.
Laboratory study of the instability of saturated silty sand;
饱和粉砂不稳定性的试验研究
2.
Study of liquefaction evaluation used in indoor test of silt,silty sand mixed clay;
混黏土的粉土、粉砂室内试验液化判别标准的研究
3.
Effects of grain size distribution and structure on mechanical behavior of silty sands;
颗粒级配和结构对粉砂力学性质的影响
4) silt-sand
粉砂
1.
Based on the concept of energy balance,an empirical formula is set up to hindcast the volume of silt-sand sudden siltation.
文中以能量平衡为基础,建立计算粉砂骤淤的经验公式。
2.
From Bohai Bay to the northern bank of Yangtze River, there exist many silt-sandy beaches.
我国自东北沿渤海湾向南至长江口北部存在不少粉砂质海岸段。
3.
This paper collects wind data during 1991 to 2002 and hindcasts silt-sand volume under strong winds.
在粉砂质浅海区域,大风往往引发严重的淤积现象。
5) silt-sand layer
粉砂细砂层
6) aeolian silty sand
风成粉砂
1.
In lamina of shale which deposited in deep lake away from paleo-debouchment in the Shahejie Formation in the Jiyang Depression, some aeolian silty sand was discovered.
在济阳坳陷沙河街组远离古河口沉积的页岩纹层中发现了风成粉砂沉积。
补充资料：粉砂岩
| 粉砂岩 siltstone 由粒径为0.0625～0.0039毫米（mm）的粉砂的含量占50％以粉砂岩标本的一种碎屑沉积岩。除粉砂以外其它由砂、粘土或化学沉淀物组成。按粒度划分为粗粉砂岩（0.0625～0.0312mm）和细粉砂岩（0.0312～0.0039mm）。按碎屑成分划分为石英粉砂岩、长石粉砂岩、岩屑粉砂岩（少见）和它们间的过渡类型。根据胶结物成分划分为粘土质粉砂岩、铁质粉砂岩、钙质粉砂岩和白云质粉砂岩。黄土也是一种疏松的或半固结的粉砂质沉积物。粉砂岩多形成于河漫滩、三角洲、潟湖和海洋的较深水部位。
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参考词条