PrefaceChapter 1: Functional MaterialsEffect of Silicon-Based Surfactant on Compression Strength, Morphology, and Flammability of the Aluminium Hydroxide-Filled Rigid Polyurethane FoamStudies of Fe3O4 Nanoparticles Prepared by Co-Precipitation Method of FeSO4 and FeCl3 SolutionChapter 2: Mineral Mining and ProcessingFractionation Studies to Increase the Ni Grade of Saprolite Ores from the Wolo Mine Area, Kolaka Regency of Southeast Sulawesi, IndonesiaChapter 3: Green and High-Performance Building MaterialsPreparation and Properties of Iron Tailings-Fly Ash Based GeopolymersExperimental Study of the Bearing Capacity of Hybrid Fiber-Reinforced Concrete PipesQualitative Assessment of a Construction BuildingAn Experimental Investigation on Geopolymer Bricks Using Quarry Dust as Fine AggregateAn Experimental Study on Mechanical Properties of Concrete by Partial Replacement of Cement with Rice Husk Ash and Silica FumeAn Experimental Investigation on Partial Replacement of Cement by Zeolite in M25 ConcreteExperimental Study on Properties of Concrete with Coconut Shells and Fly AshExperimental Study on Elastic Properties of M20 Grade Concrete as a Partial Replacement of Fine Aggregates with Plastic WastePreliminary Investigations on Strength Properties of Concrete Using Addition of Alccofine