sodium metasilicate cemented analogue material and its mechanical properties

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ID: 250251
2016
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Abstract
Analogue material with appropriate properties is of great importance to the reliability of geomechanical model test, which is one of the mostly used approaches in field of geotechnical research. In this paper, a new type of analogue material is developed, which is composed of coarse aggregate (quartz sand and/or barite sand), fine aggregate (barite powder), and cementitious material (anhydrous sodium silicate). The components of each raw material are the key influencing factors, which significantly affect the physical and mechanical parameters of analogue materials. In order to establish the relationship between parameters and factors, the material properties including density, Young’s modulus, uniaxial compressive strength, and tensile strength were investigated by a series of orthogonal experiments with hundreds of samples. By orthogonal regression analysis, the regression equations of each parameter were obtained based on experimental data, which can predict the properties of the developed analogue materials according to proportions. The experiments and applications indicate that sodium metasilicate cemented analogue material is a type of low-strength and low-modulus material with designable density, which is insensitive to humidity and temperature and satisfies mechanical scaling criteria for weak rock or soft geological materials. Moreover, the developed material can be easily cast into structures with complex geometry shapes and simulate the deformation and failure processes of prototype rocks.
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yue2016advancessodium Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Songlin Yue;Yanyu Qiu;Pengxian Fan;Pin Zhang;Ning Zhang
Journal bulletin of the korean chemical society
Year 2016
DOI
10.1155/2016/3716145
URL
http://dx.doi.org/10.1155/2016/3716145
Keywords
materials of engineering and construction mechanics of materials

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