• 文献标题:   Application of nanotechnology for earth materials: An exploratory study with graphene-based nanosheets
  • 文献类型:   Article
  • 作  者:   NGO TP, BUI QB, NGUYEN NT, LE T, PHAN VTA
  • 作者关键词:   earth material, graphene, graphene oxide, compressive strength, tensile strength
  • 出版物名称:   CONSTRUCTION BUILDING MATERIALS
  • ISSN:   0950-0618 EI 1879-0526
  • 通讯作者地址:  
  • 被引频次:   0
  • DOI:   10.1016/j.conbuildmat.2022.126677 EA FEB 2022
  • 出版年:   2022

▎ 摘  要

Earth material is attracting renewed attentions in the context of sustainable development. In several cases, to improve the properties of earth material, cement is added. This paper presents an exploratory investigation on the addition of Graphene Oxide and Graphene (GO-Gr) solution in cement stabilised earth (CSE) material. The GO-Gr are the nanosheets which were developed in the present study. The main aim of the study is to assess the reduction of cement stabilisation by using nanomaterials. Different compositions of CSE with and without GO-Gr addition were investigated. The specimens were tested under uniaxial compression tests and splitting tests at 7, 14 and 28 days, respectively. Totally 198 specimens were manufactured and tested. The X-Ray diffraction (XRD) and Scanning Electron Microscopy (SEM) techniques were applied to investigate the microstructure of the specimens. The results showed that when the GO-Gr solution was added to 8% cement CSE specimens, significant improvements of compressive and tensile strengths were observed. For low cement content (less than 8% in mass), the efficiency of GO-Gr addition was limited; further optimizations should be necessary. This is the first time to our knowledge that this topic is explored.