Penelitian
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Influence of Sand Casting Waste as Subsitute of Quarzt Sand in Mortar
Sand casting waste has the potential to replace quartz sand in mortar manufacture because it contains high silica. This study uses sand casting waste from the steel industry in Gresik, Indonesia to observe how it affects the quality of the mortar.
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The potential use of volcanic deposits for geopolymer materials
Volcanic deposits are abundant in the vicinity of an active and inactive volcano. They are produced from the cooling of magma during explosive volcanic eruptions. They have varying physical properties and can range in size from sub-millimetric ash up to b
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Optimization of non-autoclaved aerated concrete using phosphogypsum of industrial waste based on the taguchi method
Phosphogypsum as industrial waste from phosphoric acid production has great potential as a material of added materials of concrete. Optimum composition of gypsum content can increase the compressive strength and setting time of concrete, so it is suitable
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AKTIVASI KIMIA KARBON SABUT SIWALAN (Borassus flabellifer) DENGAN PERBANDINGAN AKTIVATOR KOH, NaOH DAN H3PO4
Pada penelitian ini telah dilakukan aktivasi karbon dari sabut siwalan (Borassus flabellifer) dengan metode aktivasi secara kimia dengan menggunakan perbandingan jenis aktivator yaitu NaOH, KOH dan H3PO4. Tujuan dilakukannya penelitian ini adalah untuk me
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A comparative study of the utilization of synthetic foaming agent and aluminum powder as poreforming agents in lightweight geopolymer synthesis
Lightweight geopolymer concrete was synthesized using fly ash as an aluminosilicate source with the addition of a pore-forming agent. The synthesis of a geopolymer was conducted by employing various volume ratios of geopolymer paste to the foaming agent:
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The Effect of Pb Immobilization on Fly Ash Geopolymer Microstructure and Compressive Strength
Fly-ash based geopolymer was synthesized with the influence of immobilized Pb as a heavy metal on its polymer chain formation. In this research, lead immobilization was successfully applied to geopolymer specimens at various ratios of Pb weight against
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Optimization Density of Geopolymer Concrete based on Taguchi Method
High density geopolymer concrete can be applied as a breakwater because this particular material is able tobreak high sea waves and is not easily carried by them. Geopolymer concrete is composed of fly ash, sodium silicate, and activator solution. The Tag
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Investigating Aluminasilicate Source in Geopolymer Compressive Strength: Surface Morphology and Crystal Phase Study
In this present study, geopolymer, which is a cementitious specimen was synthesized with Fly and Bottom Ash to form aluminosilicate source. The geopolymer was synthesized by sol gel method at SiO2/Al2O3 ratio of 4. The percentage of SiO2 weight in fly ash
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THE RELATIONSHIP OF JOB SATISFACTION TO ADVERSITY QUOTIENT OF EMPLOYEES IN PT. SEMEN INDONESIA (PERSERO) TBK
THE RELATIONSHIP OF JOB SATISFACTION TO ADVERSITY QUOTIENT OF EMPLOYEES IN PT. SEMEN INDONESIA (PERSERO) TBK
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Media Social - Instagram Usage And Performance Benefit(Case Study On Housewives Online Seller In Indonesia)
Media Social - Instagram Usage And Performance Benefit (Case Study On Housewives Online Seller In Indonesia)