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	沙漠沙的筛分粒径与粒径计粒径的比较实验
其他题名	Comparison of Desert Sand Particle Sizes Obtained from Sieving and Setting Approaches
	吴世亮; 倪晋仁; 李振山
来源期刊	泥沙研究
ISSN	0468-155X
出版年	2002
期号	1 页码:60-65
中文摘要	筛分法与粒径计法是两种重要的颗粒分析方法。本文通过较为系统的实验发现采用这两种方法所得到的实验结果之间存在较大的偏差。采用粒径计法测得的样品粒径较之用筛分法所得的结果明显偏大，说明用这两种原理不同的颗分方法所测出的粒径数据不能不加换算地直接采用。由于目前有关筛分粒径与粒径计粒径转换关系的研究结果并不一致，所以文中比较了几家代表性研究成果之间的差异，重点讨论了采用不同沉降速度公式进行计算时所得粒径计粒径之间的差异，探讨了各家结果不同的原因，对与颗粒粒径相关的研究具有参考价值。
英文摘要	Sieving and settling analyses for sediment particle size are primary approaches widely used in engineering practice. In order to compare the particle sizes obtained from the two different approaches, a series of experiments were conducted for sediment samples ranged from 0.062mm to 2.0mm. The results show that the particle diameters from settling analysis are apparently greater than those from sieving analysis. The former is subject to change while different settling-velocity formulas are used for calibration. Revising relation between particle diameters in terms of sieving and settling analyses were established. In addition, the differences were found among the existing results from different investigators owing to various influencing factors such as analysis approach, experimental equipment, the formula of settling velocity used to calculate the particle diameter, the range of the particle size, and so on.
中文关键词	颗粒分析 ; 筛分粒径 ; 粒径计粒径 ; 筛分法 ; 粒径计法
英文关键词	particle-size analysis sieving approach settling approach particle diameter measured by sieve particle diameter measured by settling tube
语种	中文
国家	中国
收录类别	CSCD
WOS类目	GEOSCIENCES MULTIDISCIPLINARY
WOS研究方向	Geology
CSCD记录号	CSCD:1013876
来源机构	北京大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/203331
作者单位	北京大学环境科学中心, 北京 100871, 中国
推荐引用方式 GB/T 7714	吴世亮,倪晋仁,李振山. 沙漠沙的筛分粒径与粒径计粒径的比较实验[J]. 北京大学,2002(1):60-65.
APA	吴世亮,倪晋仁,&李振山.(2002).沙漠沙的筛分粒径与粒径计粒径的比较实验.泥沙研究(1),60-65.
MLA	吴世亮,et al."沙漠沙的筛分粒径与粒径计粒径的比较实验".泥沙研究 .1(2002):60-65.