The database for training and testing is prepared using finite element analysis.
Samples for a mechanical test were prepared using a hot stage constructed in my laboratory.
Briefly, a solution of the substance to be tested was prepared using water for injections, taking into account the indicated amount to be loaded in the hydrogel and assuming that the powder reconstitution was carried out directly with this solution.
Core plugs for Tests 1 8 were prepared using the above procedure; however, for Test 9 the core plug was initially saturated with water instead of oil and then flooded with oil to obtain connate water saturation.
Test cements were prepared using these clinkers and mixed with OPC for the evaluation of fluidity and strength.
Then, concrete test samples were prepared using these aggregates, and the properties of the fresh and hardened concrete were determined.
First, the measurement data were preprocessed (delete constant component, normalization, standardization, reduction, fast Fourier transform (FFT), etc)., and training and test sets were prepared using the matrices with the expected system answers.
Test specimens were prepared using cement sand mortar with cement sand ratio of 0.5 (ASTM type I cement) and water cement ratio of 0.5, using an embedded steel plate at the mid-depth.
Treatment means were compared by the least significant difference (LSD) test, and graphs were prepared using Microsoft Excel Officee 2007).
The subsampling variance was lowest in the analysis of test portions that were prepared using the grinder that produced the smallest particles.
