[1]曹玉鹏,邓永锋,洪振舜,等.激光法与比重计法粒径分布相关性试验研究[J].东南大学学报(自然科学版),2012,42(4):755-760.[doi:10.3969/j.issn.1001-0505.2012.04.034]
 Cao Yupeng,Deng Yongfeng,Hong Zhenshun,et al.Experimental study on correlation of particle size distribution by laser and hydrometer method[J].Journal of Southeast University (Natural Science Edition),2012,42(4):755-760.[doi:10.3969/j.issn.1001-0505.2012.04.034]
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激光法与比重计法粒径分布相关性试验研究()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
42
期数:
2012年第4期
页码:
755-760
栏目:
土木工程
出版日期:
2012-07-20

文章信息/Info

Title:
Experimental study on correlation of particle size distribution by laser and hydrometer method
作者:
曹玉鹏 邓永锋 洪振舜 丁建文
东南大学岩土工程研究所,南京 210096
Author(s):
Cao Yupeng Deng Yongfeng Hong Zhenshun Ding Jianwen
Institute of Geotechnical Engineering, Southeast University, Nanjing 210096, China
关键词:
粒径分布 比重计法 激光法 液限 相关性
Keywords:
particle size distribution(PSD) hydrometer method laser method liquid limit correlation
分类号:
TU411
DOI:
10.3969/j.issn.1001-0505.2012.04.034
摘要:
为了建立激光法与比重计法粒径分布试验结果的相关关系,通过系列室内颗粒分析试验,描述了激光法与比重计法的粒径分布曲线特征,并探讨了两者之间的差异,定量给出了2种方法测得的砂粒含量、细颗粒含量以及d30,d50粒径之间的相关性,提出了激光法与比重计法测试结果相互转换的方法.试验结果表明:激光法和比重计法测得的颗粒分布曲线特征受土性影响较大; 激光法能够给出更加完整的粒径曲线分布图; 2种方法测得的砂、黏粒含量值以及d30,d50粒径值不同,但可相互转换.结合Kerry和Konert等提出的建议,激光法和比重计法的测试结果有可能在土体粒级分类图中实现统一.
Abstract:
A series of laboratory tests are performed to establish the correlation of test results from laser and hydrometer method. The characteristics of soil’s particle size distribution(PSD)are described by both methods, and the difference between them is explored. The relationships of the sand fraction and the clay fraction between the two methods are discussed quantitatively, and correlation analyses of the size values of d30, d50 are conducted. A new method is proposed to transform the results of these two methods. Test results show that the PSD curves from laser and hydrometer method are affected by soil properties. The laser method can give a more complete particle size distribution curve. Though the content of sand and clay and the size value of d30, d50 from both methods are different, they can be converted mutually. Furthermore, the results from both methods may be consistent in the ternary diagram with the suggestion by Kerry and Konert et al.

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备注/Memo

备注/Memo:
作者简介: 曹玉鹏(1985—),男,博士生; 洪振舜(联系人),男,博士,教授,博士生导师,zshong@seu.edu.cn.
基金项目: 江苏省研究生科研创新计划资助项目(CXZZ_0158)、国家自然科学基金资助项目(51178107).
引文格式: 曹玉鹏,邓永锋,洪振舜,等.激光法与比重计法粒径分布相关性试验研究[J].东南大学学报:自然科学版,2012,42(4):755-760. [doi:10.3969/j.issn.1001-0505.2012.04.034]
更新日期/Last Update: 2012-07-20