Feasibility of saline soil reinforced with treated wheat straw and lime

Saline soils in inshore areas have characteristics that are problematic to engineering such as salt expansion, dissolution and water absorption; therefore, these soils cannot meet the requirements of strength and anti-deformation in construction. A method of reinforcing saline soil with wheat straw and lime was investigated in this study. Specifically, the feasibility of using wheat straw treated with an SH (modified polyvinyl alcohol) agent as reinforcement and the compaction and strength of saline soil reinforced with wheat straw and lime were investigated. The results indicated that wheat straw treated with SH agent is suitable for use as a reinforced material owing to its higher corrosion resistance, tensile force and elongation. Additionally, reinforcement with wheat straw and lime was found to have a positive effect on the mechanical properties of soil. Reinforcement with wheat straw fiber enhanced the strength of soil during the early curing period and reduced the brittle failure problem associated with lime soil. Reinforcing soil with wheat straw and lime is an effective method for improving soil in the geotechnical field.

[1]  J. Ninov,et al.  Lime stabilization of clay from the ‘Mirkovo’ deposit , 2008 .

[2]  Dov Leshchinsky,et al.  Effect of Short Polymeric Fibers on Crack Development in Clays , 1998 .

[3]  K S Beena,et al.  BEARING CAPACITY OF SAND REINFORCED WITH COIR ROPE. REINFORCED SOIL AND GEOTEXTILES, PROCEEDINGS OF THE GEOTEXTILES CONFERENCE HELD AT THE INDIAN INSTITUTE OF TECHNOLOGY, BOMBAY, INDIA, DECEMBER 8-9, 1988 , 1989 .

[4]  Han Wen-fen.  STRENGTH CHARACTERISTICS AND MECHANISM OF LOESS SOLIDIFIED WITH NEW POLYMER MATERIAL SH , 2005 .

[5]  B. Muys,et al.  Root tensile strength and root distribution of typical Mediterranean plant species and their contribution to soil shear strength , 2008, Plant and Soil.

[6]  R. Sridhar,et al.  Effect of random inclusion of sisal fibre on strength behaviour of soil , 2002 .

[7]  H. N. Ramesh,et al.  Compaction and strength behavior of lime-coir fiber treated Black Cotton soil , 2010 .

[8]  Gopal Ranjan,et al.  Probabilistic Analysis of Randomly Distributed Fiber-Reinforced Soil , 1996 .

[9]  Aydın Kavak,et al.  A field application for lime stabilization , 2007 .

[10]  S. M. Marandi,et al.  Strength and Ductility of Randomly Distributed Palm Fibers Reinforced Silty-Sand Soils , 2008 .

[11]  Sidney Diamond,et al.  MECHANISMS OF SOIL-LIME STABILIZATION , 1965 .

[12]  Wang Xiao-yan.  Research on strength and microstructure feature of solidified saline soil in inshore with polymer , 2007 .

[13]  I. Szabolcs,et al.  Salt Affected Soils , 1988 .

[14]  M. Kamal Uddin,et al.  LIME TREATED CLAY : SALIENT ENGINEERING PROPERTIES AND A CONCEPTUAL MODEL , 2002 .

[15]  G. L. Sivakumar Babu,et al.  Strength and Stiffness Response of Coir Fiber-Reinforced Tropical Soil , 2008 .

[16]  G. Rajasekaran,et al.  Lime Stabilization Technique for the Improvement of Marine Clay. , 1997 .

[17]  Temel Yetimoglu,et al.  A study on shear strength of sands reinforced with randomly distributed discrete fibers , 2003 .