[1]王毅红,马蓬渤,张坤,等.改性生土材料最优含水量的试验测定[J].西安科技大学学报,2015,(06):768-773.[doi:10.13800/j.cnki.xakjdxxb.2015.0616]
 WANG Yi-hong,MA Peng-bo,ZHANG Kun,et al.Test measurement of optimum moisture content of modified raw-soil material[J].Journal of Xi'an University of Science and Technology,2015,(06):768-773.[doi:10.13800/j.cnki.xakjdxxb.2015.0616]
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改性生土材料最优含水量的试验测定(/HTML)
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西安科技大学学报[ISSN:1672-9315/CN:61-1434/N]

卷:
期数:
2015年06期
页码:
768-773
栏目:
出版日期:
2015-12-30

文章信息/Info

Title:
Test measurement of optimum moisture content of modified raw-soil material
作者:
王毅红1马蓬渤1张坤1岳星朝2
1.长安大学 建筑工程学院,陕西 西安 710061; 2.陕西省建筑设计研究院有限责任公司,陕西 西安 710018
Author(s):
WANG Yi-hong1MA Peng-bo1ZHANG Kun1YUE Xing-chao2
1.School of Civil Engineering,Chang'an University,Xi'an 710061,China; 2.Shaanxi Architectural Design and Research Institute Co.,Ltd,Xi'an 710018,China
关键词:
改性生土材料 黄土 改性掺料 最优含水量
Keywords:
modified raw-soil material loess modified admixtures optimum moisture content
分类号:
TU 361
DOI:
10.13800/j.cnki.xakjdxxb.2015.0616
文献标志码:
A
摘要:
控制改性生土材料的含水量达到最优含水量,是提高改性生土材料密实度和强度的关键。对作为生土基材的黄土分别掺加不同比例的水泥,熟石灰,砂,麦秸,形成不同掺料不同掺量的改性生土材料。通过标准轻型击实试验,得到不同掺料不同掺量的改性生土材料的最优含水量及最大干密度,对试验数据进行分析,得到不同掺料改性生土材料最优含水量与掺量之间的关系,研究不同掺料对改性生土材料最优含水量的影响规律,给出不同掺料不同掺量的改性生土材料最优含水量的影响趋势、定量分析数据及估算公式。结果表明:加入水泥、石灰、麦秸的改性生土材料的最优含水量有不同程度提高; 加入砂的改性生土材料的最优含水量有所降低。作为生土材料标准试验方法的前期试验研究,结论可为生土材料标准试验方法的研究提供依据,也可为实际工程中确定改性生土材料最优含水量提供参考。
Abstract:
Controlling of modified raw-soil materials' water content to achieve the optimum moisture content is the key to improve the density and strength of modified raw-soil materials.The loess,as the raw-soil material,were mixed with different proportions of admixtures,such as cement,slaked lime,sand and wheat straw.Then,the modified raw-soil materials with different admixtures and different amount were formed.Through the standard light compaction test,the optimum moisture content and maximum dry density of modified raw-soil materials with different admixtures and different amount were obtained.After the analysis of test data,the relationship between the optimum moisture content and amount was obtained too.The influence law on raw-soil materials' optimum moisture content with different admixtures was studied.The effect tendency of different admixtures and different amount,some quantitative analytical data and estimating formula are offered.The results show that modified raw-soil materials' optimum moisture content have different degrees of improvement with the addition of cement,lime,and wheat straw; instead,the addition of sand leads to the decrease of optimum moisture content.As the early experimental research for raw-soil materials standard test method,the conclusion can be used to provide basis for the study of raw-soil materials standard test method,and provide reference for the determination of the modified raw-soil materials' optimum moisture content in practical engineering.

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备注/Memo

备注/Memo:
基金项目:国家自然科学基金(51478043) 通讯作者:王毅红(1955-),女,山东烟台人,教授,博士生导师,E-mail:wangyh@chd.edu.cn
更新日期/Last Update: 2015-11-15