全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

基于四参数方程的细粒土全压实特性研究

, PP. 15-21

Keywords: 道路工程,细粒土,试验研究,全压实特性,四参数方程

Full-Text   Cite this paper   Add to My Lib

Abstract:

?系统研究了细粒土的压实干密度和饱和度随含水量变化的全压实曲线,由土的三相比例指标与换算指标之间的关系推导出细粒土全压实曲线四参数方程,并将方程参数与土体物理力学性质指标建立起量化关系。结合3种细粒土,通过3种击实功条件下的击实试验和基本物理性质试验,研究该方程对不同击实功条件下建立的全压实曲线簇的适用性。结果表明:四参数方程能较好地拟合落锤法击实方式全压实曲线,而且能够预测不同击实功下的全压实曲线,得到各参数与土的物理力学性质的关系。

References

[1]  LI Ming-dong,ZHU Wei,ZHANG Chun-lei,et al.Effect of Compaction Parameters on Lightweight Sand-EPS Beads Soil[J].Journal of Hohai Univer-sity:Natural Sciences,2008,36(6):814-817.
[2]  WANG Peng,GUO Cheng-chao,WANG Hai-tao.Experimental Research for Subgrade Compactness Effect of Increased Compaction Energy[J].Journal of Highway and Transportation Research and Development,2007,24(2):1-4.
[3]  LI Zhi-nong,JIN Chang-ning.Test on Dry Compaction of Typical Earth Subgrade in Xinjiang[J].China Journal of Highway and Transport,2007,20(2):23-28.
[4]  JTG E40—2007,公路土工试验规程[S].
[5]  张霖波,张莉妮.土工标准击实试验数据的简化拟合模型及分析[J].武汉理工大学学报:交通科学与工程版,2008,32(5):949-951.
[6]  王永和,胡 萍,卿启湘.影响土样击实试验结果的试验分析[J].铁道科学与工程学报,2006,3(6):31-34.
[7]  PARSONS R L,FOSTER D H,CROSS S A.Compaction and Settlement of Existing Embankments. Final Report[R].Lawrence:The University of Kansas,2001.
[8]  CAO Xi-ren,WANG Hao,WAN Zhi.Research of the Relationship Between Compaction Property and Physical Properties Index of Fine-grained Soils[J].Central South Highway Engineering,2007,32(1):25-29.
[9]  李明东,朱 伟,张春雷,等.击实参数对砂土EPS颗粒混合轻质土的影响[J].河海大学学报:自然科学版,2008,36(6):814-817.
[10]  王 鹏,郭成超,王海涛.增大击实功的路基压实试验研究[J].公路交通科技,2007,24(2):1-4.
[11]  李志农,金昌宁.新疆典型土类路基干压实试验[J].中国公路学报,2007,20(2):23-28.
[12]  LI Hua.The Family of Compaction Curves for Fine-grained Soils and Their Engineering Behaviors[D].Alberta:University of Alberta,2001.
[13]  JTG E40—2007,Code of Soils for Civil Engineering[S].
[14]  ZHANG Lin-bo,ZHANG Li-ni.Simplified Fitting Models and Analysis of Soil Compaction Test[J].Journal of Wuhan University of Technology:Transportation Science & Engineering,2008,32(5):949-951.
[15]  WANG Yong-he,HU Ping,QING Qi-xiang.Analysis on the Influence Factors in the Compaction Test[J].Journal of Railway Science and Engineering,2006,3(6):31-34.
[16]  曹喜仁,王 浩,万 智.细粒土的压实特性与土体物理性质的关系研究[J].中南公路工程,2007,32(1):25-29.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133