The internal structure of cement-based materials is quite complicated as it is composed of hydration solid phases and voids. Current advances in computational capabilities have motivated researchers to build more sophisticated models to simulate the hydration of cement-based materials. Recently, many models have succeeded in realistically modeling the hydration of cement and predicted the hydration phases, heat, and degree of hydration. Example of such models is Cemhyd3D [1]. Despite the versatility of this simulation model, its input parameters hinder the practical utilization of its potentials. It requires highly advanced Scanning-Electron Microscopy “SEM–X-ray” image techniques of cement powder and also its particle size distribution “PSD”. Special preparation of cement specimen and polishing technique are required for this SEM–X-ray image [2] and [3]. Improper preparation techniques may lead to faulty microstructural representation and even create artifacts that may be misinterpreted. Example of such images is shown in Fig. 1.