Evaluating the Effect of Cement and ARG Fiber on the Mechanical and Microstructural Properties of Dune Sand

Figure 5

(a) Raman spectrum of the ARG fiber the characteristic peaks of the zirconia (357 cm⁻¹) and silica (526 cm⁻¹) and (b) raman spectrum of the Portland cement and the calcium silicate peaks (464 and 1,087 cm⁻¹).

(a)

(b)