LABORATORY AND IN-SITU TESTS ON SOLIDIFIED SALINE SOILS FOR HIGHWAY FILLINGS

WANG Pei; CHAI Shouxi

Volume 19 Issue 3

Jul. 2011

Turn off MathJax

Article Contents

Article Navigation > JOURNAL OF ENGINEERING GEOLOGY > 2011 > 19(3): 440-446

WANG Pei, CHAI Shouxi. 2011: LABORATORY AND IN-SITU TESTS ON SOLIDIFIED SALINE SOILS FOR HIGHWAY FILLINGS. JOURNAL OF ENGINEERING GEOLOGY, 19(3): 440-446.

Citation:

WANG Pei, CHAI Shouxi. 2011: LABORATORY AND IN-SITU TESTS ON SOLIDIFIED SALINE SOILS FOR HIGHWAY FILLINGS. JOURNAL OF ENGINEERING GEOLOGY, 19(3): 440-446.

WANG Pei, CHAI Shouxi. 2011: LABORATORY AND IN-SITU TESTS ON SOLIDIFIED SALINE SOILS FOR HIGHWAY FILLINGS. JOURNAL OF ENGINEERING GEOLOGY, 19(3): 440-446.

Citation:

WANG Pei, CHAI Shouxi. 2011: LABORATORY AND IN-SITU TESTS ON SOLIDIFIED SALINE SOILS FOR HIGHWAY FILLINGS. JOURNAL OF ENGINEERING GEOLOGY, 19(3): 440-446.

PDF( 454 KB)

LABORATORY AND IN-SITU TESTS ON SOLIDIFIED SALINE SOILS FOR HIGHWAY FILLINGS

Tianjin Key Laboratory of Soft Soil Characteristics and Engineering Environment,Tianjin Institute of Urban Construction,Tianjin 300384

Funds:

Received Date: 2010-08-30
Rev Recd Date: 2011-05-05
Publish Date: 2011-06-25

Abstract

Abstract

Road embankments in west coastal area of Bohai gulf are mainly fill embankment.The fill materials are mainly saline soil.When using saline soil for filling,it should be treated by modification and solidification to solve the weaker strength and stability due to the expansion,depression and serious water absorption of saline soil.More inorganic materials and fewer polymer materials are suitable for a reasonable construction budget.Some tests on saline soil with lime and saline soil with lime and SH agent are carried out.The tests include unconfined compression strength,tensile strength,triaxial shear strength,and CBR in laboratory,as well as degree of compaction,flattening degree,rebound deflection,CBR,and rebound modulus in-situ.The test purposes is to study the mechanical properties of solidified saline soils used for highway embankment fillings simultaneously.The test results indicate that (1)Mechanical indices of two solidified soils meet the requirements on highway fillings.The strength of saline soil with lime and SH agent is better than that of saline soil with lime.(2)SH agent brings about anti-water connection between soil particles,and forms lots of the wire-like connecting network in pores after drying.So anti-deformation and strength in air and water of the solidified soil are increased.(3)It is noted that compaction effort in-situ is well.The test results of the solidified soils are corresponding in the condition of laboratory and in-situ.The compaction and mechanical properties of saline soil with lime and SH agent satisfy the requirements of highway specification and are of a suitable treatment measure and have well using objective in the coastal area.
- Solidified soil,
- Saline soil,
- Embankment fill,
- Mechanical properties

FullText(HTML)

References(1)

References

[1] 柴寿喜, 杨宝珠,王晓燕,魏丽,王沛.渤海湾西岸滨海盐渍土的盐渍化特征分析
[J].岩土力学, 2008, 29 (5): 1 217~1 221.
Chai Shouxi,Yang Baozhu,Wang Xiaoyan,Wei Li,Wang Pei.Analysis of salinization of saline soil in west coast area of Bohai gulf.Rock and Soil Mechanics, 2008, 29 (5): 1 217~1 221.

[2] 李敏, 柴寿喜,魏丽.麦秸秆的力学性能及加筋滨海盐渍土的抗压强度研究
[J].工程地质学报, 2009, 17 (4): 545~549.
Li Min,Chai Shouxi,Wei Li.Mechanical properties of wheat straw and strength of its reinforced inshore saline soil.Journal of Engineering Geology, 2009, 17 (4): 545~549.

[3] 庞巍, 叶朝良,杨广庆,丁军霞.电石灰改良滨海地区盐渍土路基可行性研究
[J].岩土力学, 2009, 30 (4): 1 068~1 072.
Pang Wei,Ye Chaoliang,Yang Guangqing,Ding Junxia.Study of feasibility of calcium carbide dust improved inshore area saline soil for highway subgrade.Rock and Soil Mechanics, 2009, 30 (4): 1 068~1 072.

[4] 刘付华. 二灰和高分子材料固化滨海盐渍土作公路路堤填料试验研究 .天津: 天津城市建设学院, 2006.
Liu Fuhua.Experimental Research of Solidified Saline Soil in Inshore Mixed Fly-ash and Polymer Material for Embankment Filling.Tianjin: Tianjin Institute of Urban Construction, 2006.

[5] 李长洪, 张吉良,林清华,张永生,方雪松.西藏扎布耶盐田盐渍土的改性配比试验
[J].吉林大学学报(地球科学版), 2008, 38 (2): 273~278.
Li Changhong,Zhang Jiliang,Lin Qinghua,Zhang Yongsheng,Fang Xuesong.Test of improved mixture of saline soil at Zhabuye Salt Field in Tibet.Journal of Jilin University(Earth Science Edition), 2008, 38 (2): 273~278.

[6] 沈园顺, 刘玖壮,郭丽丽.纤维土作为路用材料的试验研究
[J].建筑材料学报, 2010, 13 (4): 545~548.
Shen Yuanshun,Liu Jiuzhuang,Guo Lili.Experimental study on properties of texsol used in road.Journal of Building Materials, 2010, 13 (4): 545~548.

[7] 包卫星, 谢永利,杨晓华.天然盐渍土冻融循环时水盐迁移规律及强度变化试验研究
[J].工程地质学报, 2006, 14 (3): 380~385.
Bao Weixing,Xie Yongli,Yang Xiaohua.A laboratory test study on water and salt m igration in natural saline soils and associated shear strength changes under freezing and thawing cycles.Journal of Engineering Geology, 2006, 14 (3): 380~385.

[8] 周琦, 邓安,韩文峰,柴寿喜,王沛.固化滨海盐渍土耐久性试验研究
[J].岩土力学, 2007, 28 (6): 1 129~1 132.
Zhou Qi,Deng An,Han Wen-feng,Chai Shou-xi,Wang Pei.Durability of stabilized coastal saline soils: Water stability and freeze-thaw resistance.Rock and Soil Mechanics, 2007, 28 (6): 1129~1132.

[9] 柴寿喜, 王沛,韩文峰,李芳,魏丽,王晓燕.高分子材料固化滨海盐渍土的强度与微结构研究
[J].岩土力学, 2007, 28 (6): 1067~1072.
Chai Shouxi,Wang Pei,Han Wenfeng,Li Fang,Wei Li,Wang Xiaoyan.Research on strength and microstructure feature of solidified saline soil in inshore with polymer.Rock and Soil Mechanics, 2007, 28 (6): 1067~1072.

[10] 郭英. 含盐量变化对石灰固化滨海盐渍土的物理力学及微观特性影响研究 .天津: 天津城市建设学院, 2006.
Guo Ying.Study on Physical and Mechanical Character and Microstructure of Lime Solidified Inshore Saline Soil Varied with Salt Content.Tianjin: Tianjin Institute of Urban Construction, 2006.

[11] 交通部公路科学研究院主编.(JTG E60-2008),公路路基路面现场测试规程
[S].北京:人民交通出版社, 2008.
Research Institute of Highway Ministry of Transport.(JTG E60-2008),Field Test Methods of Subgrade and Pavement for Highway Engineering.Beijing: China Communications Press, 2008.

[12] 交通部公路科学研究院主编.(JTG E40-2007),公路土工试验规程
[S].北京:人民交通出版社, 2007.
Research Institute of Highway Ministry of Transport.(JTG E40-2007),Test Methods of Soils for Highway Engineering.Beijing: China Communications Press, 2007.

[13] 中交第二公路落勘察设计研究院主编.(JTG D30-2004)公路路基设计规范
[S].北京:人民交通出版社, 2004.
Cccc Second Highway Consultants Co. , Ltd.P.C.(JTG D30-2004),Specifications for Design of Highway Subgrade.Beijing: China Communications Press, 2004.

[14] 刘开富, 谢新宇,张继发,朱向荣.软土地基上路堤填筑的破坏性状分析
[J].岩土力学, 2009, 30 (7): 2075~2080.
Liu Kaifu,Xie Xinyu,Zhang Jifa,Zhu Xiangrong.Failure behavior analysis of embankment built on soft subgrade.Rock and Soil Mechanics, 2009, 30 (7): 2075~2

Relative Articles

Supplements(0)

Cited By

Proportional views