Ith water to binder ratio 0.5. Moreover, for all of them, the aggregate to binder ratio was 3:1. The fine aggregate made use of verified the prescriptions of the regular UNE-EN 196-1 [46]. Three types of specimens have been created. The first kind of sample consisted of cylinders with dimensions 5 cm diameter and six cm height. The second sort was also cylinders, but now with 10 cm diameter and 22 cm height. Finally, prismatic samples with dimensions four cm 4 cm 16 cm had been cast. Throughout the initial 24 h, the samples had been stored within a chamber beneath an optimum laboratory situation (20 C temperature and 95 relative humidity). After completed that time, they have been de-molded and kept in that optimum situation till 7 days, when they have been moved for the real in-situ exposure web page. It has been reported by quite a few authors [20,40,47,48] that an sufficient curing is essential for satisfactorily establishing the properties of cementitious and pozzolanic supplies exposed to non-optimum and dangerous conditions. In view of that, right here, a 7-days curing period was selected. Lastly, the tests were performed at 28 and 250 days. two.2. Environmental Exposure Condition The true in-situ situation consisted of putting the samples in an underground floor of a creating, utilized as a garage with moderate circulation of automobiles. This internet site would be compatible with all the specifications of exposure class XC3 (corrosion induced by carbonation, moderate humidity) defined by the Eurocode 2 [45]. The exposure period began in the age of 7 hardening days, following ending the curing time of your samples, as explained inside the preceding subsection, and finished at 250 hardening days. The average CO2 concentration measured within the exposure website along the studied time period was around 2000 ppm, reaching an absolute maximum worth slightly greater than 5000 ppm. Alternatively, the temperatures registered were overall within the range amongst 18 C and 23 C, whereas the average relative humidity was inside the interval from 65 to 70 . 2.three. Mercury Intrusion Porosimetry This method has been extensively applied for characterizing the microstructure of distinctive sorts of materials [491]. A Poremaster-60 GT porosimeter commercialized by Quantachrome Instruments (Boynton Beach, FL, USA) was utilized. Prior to performing the test, the samples were dried in an oven at 50 C for 48 h. Here, the total porosity and the pore size distributions obtained with this strategy were analyzed. Relating to the pore size distributions, the next ranges of pore diameters have been considered: 10 nm, 1000 nm, 100 nm to 1 , 10 , ten to 0.1 mm, and 0.1 mm [52,53]. Two measurements were performed on each and every series at both testing ages. Pieces taken from cylindrical specimens with 5 cm diameter and 6 cm Nimbolide In Vivo height had been tested. 2.4. Electrical Resistivity Electrical resistivity is actually a beneficial parameter for obtaining extra data with the pore network of cementitious materials [54,55]. The resistivity with the mortars was obtained together with the non-destructive MCC950 custom synthesis Wenner four-point test, described in the Spanish typical UNE 83988-2 [56]. A Proceq analyzer was utilized to straight obtain the electrical resistivity of cylindrical specimens with 22 cm height and10 cm diameter. The measurements had been performed at a number of ages up to 250 days. The surface of the cylinders was prepared in accordance with the technical recommendation quantity 5 of Alconpat International [57], priorMaterials 2021, 14,five ofto every single measurement. For every single binder, three cylinders were tested and four measurements have been per.