PSI - Issue 70

Rakesh Kumar et al. / Procedia Structural Integrity 70 (2025) 517–524

520

occupational safety and health, whereas the study of ventilation is undertaken in the field of indoor air quality engineering. sawdust is a carcinogen that falls within fig. 1. (a).

Fig. 1. (a) Raw Sawdust

2.7 Blend Ratios The control mix contains no sawdust cement replacement while the other mixtures incorporate sawdust cement replacements of 10%, 20%, 30%, 40%, and 50%. The FM demonstrated outstanding workability with a water-to cement ratio of 0.5. 3. Characteristics of Sawdust Utilizing and making use of the local wood waste that was collected as a result of a woodworking activity was done with the intention of estimating its value. It was the woodworking business that was responsible for collecting this garbage. There was an exploitation of sawdust that took place within the framework of the process of valorisation. which is also a picture, displays the XRD diffract gram of the sawdust that was analysed. This data was obtained via the investigation. Because cellulose makes up a significant amount of sawdust, the objective of this study is to evaluate the impact that sawdust has on the augmentation of thermal insulation in unfired clay bricks from the perspective of thermal insulation. This analysis will be conducted in order to get a better understanding of the relationship between sawdust and thermal insulation. Additionally, the scanning electron micrographs of sawdust show that it has a porous structure, the thermal insulation of bricks. This would be a helpful feature to have. Sawdust offers a major advantage in this particular respect. 3.1. Mechanical Characteristics That was collected from a woodworking activity that was employed and exploited for the purpose of valorisation. Sawdust was utilized for the purpose of valorisation. It is a representation of diffract of the sawdust that was examined om the perspective of thermal insulation On top of that, the scanning electron micrographs of sawdust. 4. A Steady Methodology Fig. 2 illustrates the setting times of FM mixes utilised as cement substitutes, which contained different percentages of SDA. A comparison was conducted regarding the setup times of SDA10, SDA20, SDA30, SDA40, SDA50, and SDA0, which were measured and analysed. Figure 10 illustrates that the inclusion of SDA led to longer FM setup times. All SDA-blended FM combinations exhibited an increase in setting times in comparison to SDA0. The initial setup of SDA0 took 172 minutes, while the complete setup required 280 minutes. The substitution of SDA for cement a time by 6.78 percent, 9.30 percent, 12.79 percent, 15.70 percent, SDA is marked by uniform surface effects and a reduction in surface energy due to this phenomenon. The reduced activity and reliability of surface atoms lead to a decrease in reaction rates.