Figures index

From

Water to Cement Ratio Effect on Cement Paste Microstructural Development by Electrical Resistivity Measurements and Computer Illustration

Farqad Yousuf, Wei Xiaosheng

American Journal of Civil Engineering and Architecture. 2021, 9(3), 73-87 doi:10.12691/ajcea-9-3-1
  • Figure 1. Schematic of a partially hydrated cement particle
  • Figure 2. 2D pictures of randomly distributed unreacted cement particles with varied diameters: (a) Cement particles at 0.3 w/c, (b) Cement particles at 0.6 w/c
  • Figure 3. Schematic of areas of three circles of partially hydrated cement particle
  • Figure 4. Bulk electrical resistivity measurements as function of time: (a) Electrical resistivity development with time, (b) Rate of electrical resistivity development with time
  • Figure 5. Modelling cement particles hydrating of 0.3 w/c cement particles: (a) At 0 degree of hydration, (b) At 25% degree of hydration, (c) At 50% degree of hydration, (d) At 75% degree of hydration
  • Figure 6. Modelling cement particles hydrating of 0.35 w/c cement particles: (a) At 0 degree of hydration, (b) At 25% degree of hydration, (c) At 50% degree of hydration, (d) At 75% degree of hydration
  • Figure 7. Modelling cement particles hydrating of 0.4 w/c cement particles: (a) At 0 degree of hydration, (b) At 25% degree of hydration, (c) At 50% degree of hydration, (d) At 75% degree of hydration
  • Figure 8. Estimated porosity by computer modelling vs. degree of hydration
  • Figure 9. Compressive strength and electrical resistivity correlation
  • Figure 10. Cement particles overlapping by computer modelling
  • Figure 11. Liquid electrical resistivity vs. time
  • Figure 12. Autogenous shrinkage of cement pastes vs. time
  • Figure 13. Autogenous shrinkage and electrical resistivity correlation
  • Figure 14. SEM pictures for cement pastes with different w/c ratio at 1, 3, 7, 28 days at 30µm magnification
  • Figure 15. SEM pictures for cement pastes with different w/c ratio at 28 days at 5µm magnification