Nano-SiO2 for efficiency of geotechnical properties of fine soils in mining and civil engineering

Qiao Yanzhen , Yousef Zandi , Abouzar Rahimi , Sara Pourkhorshidi , Angel Roco-Videla , Mohamed Amin Khadimallah , Mohammed Jameel , Ehsan Kasehchi , Hamid Assilzadeh

Abstract

Taking into account the decreased number of available lands, the construction of structures on soft soil leads towards the development of soil stabilizing models. This study is aimed at studying the decrement of land resources available, and the design of civil engineering structures on soft soils that will develop the soil impact of nano-SiO2 in the use of clay soil with low liquid limit, in particular shear resistance and unconfined compression. A novel nano-soil stabilizer has been created in this investigation by use of nano-SiO2 activity and ultrafine features that have enabled cement-based stabilizers to increase their characteristics in broad application possibilities. This research aims to examine the influence on soil engineering, particularly the shear strength of clay soil with a low liquid limit to the effect of adding nano-SiO2. Nano-SiO2 has 3 different percentages combined with soil (i.e., 0.5, 0.7 percent by weight of the parent soil), A direct shear test was used to evaluate the shear strength of the specimen, and then the results were analyzed by Artificial Neural Network (ANN) to increase the accuracy of outcomes. Increased nano-SiO2 concentration was shown to lead to an increased internal friction angle and cohesiveness on clay soil. The optimal content for nano-SiO2 is 0.7%. ANN could accurately demonstrate the shear strength percentages in nano-SiO2 content.

Key Words

fly ash (FA); limestone powder (LP); metakaolin (MK); microstructure; self-compacting concrete (SCC) properties; silica fume (SF)

Address

Qiao Yanzhen — School of Mines, Hulunbuir University, Hailar, Inner Mongolia, 021000, China
Yousef Zandi and Abouzar Rahimi — Department of Civil Engineering, Tabriz Branch, Islamic Azad University, Tabriz, Iran
Sara Pourkhorshidi — Civil Engineering Department, Sahand University of Technology, Tabriz, Iran
Angel Roco-Videla — Programa Magister en Ciencias Químico-biológicas. Facultad de Ciencias de la Salud. Universidad Bernardo O'Higgins, Santiago, Chile/ Departamento de Ingeniería Civil, Facultad de Ingeniería. Universidad Católica de la Santísima Concepción, Concepción, Chile
Mohamed Amin Khadimallah — Prince Sattam Bin Abdulaziz University,College of Engineering,Civil Engineering Department,Al-Kharj,16273,Saudi Arabia/ Laboratory of Systems and Applied Mechanics,Polytechnic School of Tunisia,University of Carthage,Tunis,Tunisia
Mohammed Jameel — Department of Civil Engineering, College of Engineering, King Khalid University, Abha, Saudi Arabia
Ehsan Kasehchi — Department of Civil Engineering Roudehen Branch Islamic Azad University Roudehen Iran
Hamid Assilzadeh — Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam

PDF Viewer

Preview is limited to the first 3 pages. Sign in to access the full PDF.

← Back to Volume 11, No. 3