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Jurnal Institusi
Perbandingan Metode Pembuatan Beton Geopolymer Terhadap Sifat Mekanik dan Porositas
Siklus : Jurnal Teknik Sipil; Vol. 8 No. 1 (2022); 136-147
Penggunaan semen sebagai bahan konstruksi dinilai kurang ramah lingkungan karena pada proses pembuatan semen menghasilkan karbon dioksida CO2. Untuk mengurangi pencemaran lingkungan maka dibutuhkan alternatif bahan pengganti semen yakni beton geopoly...
Jurnal Institusi
Sifat Mekanik Beton Ringan Menggunakan Geopolymer Dengan Styrofoam Sebagai Substitusi Agregat Kasar
Siklus : Jurnal Teknik Sipil; Vol. 8 No. 1 (2022); 124-135
Material styrofoam dapat digunakan sebagai alternatif untuk mengurangi beban mati pada struktur bangunan. Selain itu, penggunaan beton geopolymer dapat digunakan sebagai solusi untuk mengurangi penggunaan semen yang tidak ramah lingkungan karena pros...
Jurnal Institusi
Studi Eksperimental Kuat Tekan Beton Geopolimer Dengan Pemanfaatan Limbah Fly Ash
SENKIM: Seminar Nasional Karya Ilmiah Multidisiplin ; Vol. 2 No. 1 (2022): SENKIM: Seminar Nasional Karya Ilmiah Multidisiplin; 184-194
Concrete is a component composed of coarse aggregate, fine aggregate, water and cement. The use of cement in a building causes the release of CO2, to overcome this problem, a cement substitute is sought. Geopolymer concrete is concrete made from fly ...
Jurnal Institusi
Pemanfaatan Limbah Abu Sawit Untuk Pembuatan Paving Block Geopolimer di Desa Pasir Utama
SNPKM: Seminar Nasional Pengabdian Kepada Masyarakat; Vol. 4 No. 1 (2022): SNPKM: Seminar Nasional Pengabdian Kepada Masyarakat; 96-102
Rokan Hulu Regency is one of the regencies in Riau Province which has an area of 7588 km2. Rokan Hulu Regency has natural resources in the form of oil palm plantations. With the large number of palm oil fuel ash industries, many problems arise ...
PubMed
Preparation and Properties of Porous Concrete Based on Geopolymer of Red Mud and Yellow River Sediment
Materials (Basel)
Red mud (RM) and Yellow River sediment (YRS) are challenging to handle as waste materials. In this study, RM with geopolymer and heavy metal adsorption characteristics was combined with YRS and ground granulated blast furnace slag (GGBS) to develop a...
PubMed
Analytical Review of Geopolymer Concrete: Retrospective and Current Issues
Materials (Basel)
The concept of sustainable development provides for the search for environmentally friendly alternatives to traditional materials and technologies that would reduce the amount of CO(2) emissions into the atmosphere, do not pollute the environment, an...
PubMed
Improving the Mechanical Properties of Fly Ash-Based Geopolymer Composites with PVA Fiber and Powder
Materials (Basel)
In this work, polyvinyl alcohol (PVA) fiber and powder were added to geopolymer composites to toughen fly ash-based geopolymer, and their different toughening mechanisms were revealed. Firstly, different contents of active granulated blast furnace sl...
PubMed
Effect of Single and Synergistic Reinforcement of PVA Fiber and Nano-SiO(2) on Workability and Compressive Strength of Geopolymer Composites
Polymers (Basel)
Geopolymer composites can be used as a proper substitute for ordinary Portland cement, which can reduce carbon dioxide (CO(2)) emissions and make rational use of industrial waste. In this study, an investigation of the workability and compressive str...
PubMed
Utilizing Saudi volcanic scoria in lightweight geopolymer for enhanced wellbore cementing
Sci Rep
Geopolymer cement represents an innovative and environmentally friendly cement system that utilizes non-portlandite precursors to achieve cement hardening. Unlike traditional Portland cement, which accounts for approximately 5–8% of global CO₂ em...
PubMed
Geopolymer: A Systematic Review of Methodologies
Materials (Basel)
The geopolymer concept has gained wide international attention during the last two decades and is now seen as a potential alternative to ordinary Portland cement; however, before full implementation in the national and international standards, the ge...
PubMed
Durability Performance of Geopolymer Concrete: A Review
Polymers (Basel)
Geopolymer concrete is produced from the geopolymerization process, in which molecules known as oligomers integrate to form geopolymer networks with covalent bonding. Its production expends less thermal energy and results in a smaller carbon footprin...
PubMed
Characterization and Performance Evaluation of Metakaolin-Based Geopolymer Foams Obtained by Adding Palm Olein as the Foam Stabilizer
Materials (Basel)
Geopolymer foams with different pore structures can be used in construction, water treatment, and heavy metal adsorption. The preparation of high porosity geopolymer foams using vegetable oil as a foam stabilizer is a feasible and cost-effective rout...
PubMed
The Influence of Fiber on the Mechanical Properties of Geopolymer Concrete: A Review
Polymers (Basel)
Geopolymer is widely used as a supplement to cementitious composites because of its advantages of low carbon and environmental protection, and geopolymer concrete is also broadly used in practical engineering. In recent years, geopolymer concrete has...
PubMed
Effect of Different Types of Aluminosilicates on the Thermo-Mechanical Properties of Metakaolinite-Based Geopolymer Composites
Polymers (Basel)
In this study, the effect of different types of aluminosilicates on the thermo-mechanical properties of metakaolinite-based geopolymer binders and composites was examined. The metakaolinite-based geopolymer binders and composites were produced from t...
PubMed
Effect of Alkali Fusion Methods on the Preparation of One-Part Geopolymer From Coal Gasification Slag
ACS Omega
[Image: see text] This study investigated the one-part geopolymer synthesis by coal gasification slag through a calcination treatment. Two preparation methods, the traditional alkali fusion method (M-I) and the alkali fusion and modification method (...
PubMed
The Mechanical Performance and Reaction Mechanism of Slag-Based Organic–Inorganic Composite Geopolymers
Materials (Basel)
A series of organic–inorganic composite geopolymer paste samples were prepared with slag-based geopolymer and three types of hydrophilic organic polymers, i.e., PVA, PAA, and CPAM, by ordinary molding and pressure-mixing processes. The reaction mec...
PubMed
Proposed simplified methodological approach for designing geopolymer concrete mixtures
Sci Rep
The development of geopolymer concrete offers promising prospects for sustainable construction practices due to its reduced environmental impact compared to conventional Portland cement concrete. However, the complexity involved in geopolymer concret...
PubMed
Geopolymer Concretes with Organic Phase Change Materials—Analysis of Thermal Properties and Microstructure
Materials (Basel)
Geopolymer concretes, synthesized from industrial by-products such as fly ash through alkaline activation, have attracted considerable attention due to their favorable thermal and microstructural properties. Incorporating phase change materials (PCMs...
PubMed
Structure and Properties of Phosphate-Based Geopolymer Synthesized with the Spent Fluid Catalytic-Cracking (SFCC) Catalyst
Gels
As a common industrial by-product, the spend fluid catalytic-cracking (SFCC) catalyst was used to prepare phosphate-based geopolymer for the first time. The structure and property of geopolymer with phosphoric acid concentration ranging from 6 to 14 ...
PubMed
Natural Fiber-Stabilized Geopolymer Foams—A Review
Materials (Basel)
The development of sustainable, environmentally friendly insulation materials with a reduced carbon footprint is attracting increased interest. One alternative to conventional insulation materials are foamed geopolymers. Similar to foamed concrete, t...