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HYDRAULICS. ENGINEERING HYDROLOGY. HYDRAULIC ENGINEERING

Analysis of the influence of clay cement concrete components on its characteristics

Vestnik MGSU 10/2016
  • Sol’skiy Stanislav Viktorovich - B.E. Vedeneev All Russia Institute of Hydraulic Engineering (B.E. Vedeneev VNIIG) Saint Petersburg, 21 Gzhatskaya str., Saint Petersburg, 195220, Russian Federation, B.E. Vedeneev All Russia Institute of Hydraulic Engineering (B.E. Vedeneev VNIIG), ; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Legina Ekaterina Evgen’evna - B.E. Vedeneev All Russia Institute of Hydraulic Engineering (B.E. Vedeneev VNIIG) senior research worker, B.E. Vedeneev All Russia Institute of Hydraulic Engineering (B.E. Vedeneev VNIIG), ; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Orishchuk Roman Nikolaevich - B.E. Vedeneev All Russia Institute of Hydraulic Engineering (B.E. Vedeneev VNIIG) Director General, B.E. Vedeneev All Russia Institute of Hydraulic Engineering (B.E. Vedeneev VNIIG), ; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Vasil’eva Zoya Gennad’evna - B.E. Vedeneev All Russia Institute of Hydraulic Engineering (B.E. Vedeneev VNIIG) senior engineer, B.E. Vedeneev All Russia Institute of Hydraulic Engineering (B.E. Vedeneev VNIIG), ; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Velichko Aleksey Sergeevich - B.E. Vedeneev All Russia Institute of Hydraulic Engineering (B.E. Vedeneev VNIIG) engineer, B.E. Vedeneev All Russia Institute of Hydraulic Engineering (B.E. Vedeneev VNIIG), ; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 80-93

A sustained pace of construction of dams and dikes using water resources and intensive development of underground space in the construction of buildings and structures require ensuring anti-seepage measures. For efficient stoppage of fluid flow a variety of methods are applied such as cement and grout curtains, teeth, core walls including ones made of soil-cement mixtures performed by the method of diaphragm wall. The following characteristics are the main selection criteria of the material composition for a diaphragm wall : permeability, strength, deformability, efficiency. Clay-cement-concrete (CCC) is one of the materials satisfying all the above characteristics. The influence of the components used to prepare CCC mixtures on its strength and deformation characteristics was the main objective of the performed study. In order to solve the task, the formulas of CCC used at the objects of hydroengineering construction have been considered. For analyzing the influence of the components of CCC on its characteristics, the dependences of compression strength and deformation modulus of CCC on water-cement and water-astringent ratios have been built. The dependence of compression strength of CCC on the cement/bentonite ratio was built as well. The analysis of the dependences defined that the compression strength of CCC depends primarily on water-cement ratio and the amount of cement used in the composition. The increase in the value of water-cement ratio and water-astringent ratio leads to monotone decrease of the compression strength of CCC and the deformation modulus of CCC. Change of the quantitative content of one or more components of CCC composition allows controlling physical-mechanical characteristics of the anti-seepage element which is an important advantage of clay-cement-concrete. The performed analysis of the influence of CCC formula on its physical and mechanical properties can be used to select the optimal composition of CCC when solving specific hydroengineering tasks.

DOI: 10.22227/1997-0935.2016.10.80-93

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