Contact

All Stories

  1. Effects of HVFA with the addition of bottom ash, NaOH, and CaCO3 on self-compacting concrete (SCC) in tidal environments

    Article • Case Studies in Construction Materials, July 2025, Elsevier

    Dr Januarti Jaya ekaputri

  2. The Influence of Precursor to Activator Ratio and Curing Temperature on Geopolymer Paste with One-Part Method

    Article • Civil Engineering Journal, July 2025, Italian Journal of Science and Engineering

    Dr Januarti Jaya ekaputri

  3. Biogrouting with microbial-induced carbonate precipitation (MICP) for improving the physical and mechanical properties of granular soils potential liquefaction

    Article • MethodsX, June 2025, Elsevier

    Nur Ayu Diana, Dr Januarti Jaya ekaputri

  4. Utilization of Soil Microbial Community to Enhance Mechanical Properties of Geopolymer Paste for Sustainable Construction Materials

    Article • Case Studies in Construction Materials, May 2025, Elsevier

    Dr Januarti Jaya ekaputri

  5. Dynamic Analysis of MICP-Stabilized Soil and Liquefiable Soil With Varying Salinity Levels

    Article • Civil Engineering Journal, April 2025, Italian Journal of Science and Engineering

    Nur Ayu Diana, Dr Januarti Jaya ekaputri

  6. One Part Method for Making Geopolymer Paste using Flocculated Sidoarjo Mud

    Article • Archives of Metallurgy and Materials, December 2024, Polish Academy of Sciences Chancellery

    Dr Januarti Jaya ekaputri

  7. The Potential of Seawater in Geopolymer Mixtures – Effect of Alkaline Activator, Seawater, and Steam Curing on the Strength of Geopolymer Paste

    Article • Journal of Ecological Engineering, October 2024, Wydawnictwo Naukowe Gabriel Borowski (WNGB)

    Dr Januarti Jaya ekaputri

  8. The Effect of Fiber on the Green Strength and Buildability of High-Strength 3D Printing Concrete

    Article • Archives of Metallurgy and Materials, September 2024, Polish Academy of Sciences Chancellery

    Dr Januarti Jaya ekaputri

  9. Utilization Of Buton Asphalt Solid Waste (ASW) Waste Bitumen Extraction In Concrete

    Article • Journal of Advanced Civil and Environmental Engineering, June 2024, Universitas Islam Sultan Agung

    Dr Januarti Jaya ekaputri

  10. Porous pot to protect mangrove propagules

    Article • Resources Conservation & Recycling Advances, May 2024, Elsevier

    Dr Januarti Jaya ekaputri

  11. Biocementing process to improve the physical and mechanical properties of saline soils that have the potential for liquefaction

    Article • January 2024, American Institute of Physics

    Dr Januarti Jaya ekaputri, Nur Ayu Diana

  12. Geopolymer Haunch Beam‒Column Connection Behavior

    Article • Arabian Journal for Science and Engineering, May 2023, Springer Science + Business Media

    Dr Januarti Jaya ekaputri

  13. Autoclaved Aerated Concrete (AAC) made from Sidoarjo mud (Lusi mud)

    Article • GCISTEM Proceeding, April 2022, Global Conference on Innovation in Science Technology Engineering and Mathematics (GCISTEM)

    Dr Januarti Jaya ekaputri

  14. Circular Economy of Coal Fly Ash and Silica Geothermal for Green Geopolymer: Characteristic and Kinetic Study

    Article • Gels, April 2022, MDPI AG

    Dr Januarti Jaya ekaputri

  15. Corrigendum to Green geopolymer cement with dry activator from geothermal sludge and sodium hydroxide [J. Clean. Prod., vol. 293, 15 April 2021, 126143]

    Article • Journal of Cleaner Production, April 2022, Elsevier

    Dr Januarti Jaya ekaputri

  16. Shear-bond behavior of self-compacting geopolymer concrete to conventional concrete

    Article • Construction and Building Materials, February 2022, Elsevier

    Dr Januarti Jaya ekaputri

  17. Nonlinear finite element study on element size effects in alkali-activated fly ash based reinforced geopolymer concrete beam

    Article • Case Studies in Construction Materials, December 2021, Elsevier

    kefiyalew zerfu, Dr Januarti Jaya ekaputri

  18. Pengaruh Penambahan Mikroba untuk Meningkatkan Kepadatan Pasta Berbahan Fly Ash

    Article • Jurnal Manejemen Aset Infrastruktur & Fasilitas, July 2021, Lembaga Penelitian dan Pengabdian kepada Masyarakat ITS

    Dr Januarti Jaya ekaputri

  19. ASPHALT CONCRETE MIXTURE PRODUCED USING RECLAIMED ASPHALT PAVEMENT AND FLY ASH AS ARTIFICIAL AGGREGATE AND FILLER

    Article • Jurnal Teknologi (Sciences & Engineering), June 2021, Penerbit UTM Press

    Dr Januarti Jaya ekaputri

  20. Deflection Function Formulation for Simply Supported thin Plate Using Variational Approach

    Article • May 2021, Sciencedomain International

    kefiyalew zerfu, Dr Januarti Jaya ekaputri

  21. Improving Geopolymer Characteristics with Addition of Poly-Vinyl Alcohol (PVA) Fibers

    Article • Civil Engineering Dimension, April 2021, Petra Christian University

    Dr Januarti Jaya ekaputri

  22. Full-Genome Sequence of Bacillus safensis Strain IDN1, Isolated from Commercially Available Natto in Indonesia

    Article • Microbiology Resource Announcements, April 2021, ASM Journals

    Dr Januarti Jaya ekaputri

  23. Green geopolymer cement with dry activator from geothermal sludge and sodium hydroxide

    Article • Journal of Cleaner Production, April 2021, Elsevier

    Dr Januarti Jaya ekaputri

  24. The comparison of regulations on fly ash as a hazardous waste in Indonesia and several countries

    Article • MEDIA KOMUNIKASI TEKNIK SIPIL, February 2021, Center of Biomass and Renewable Energy (CBIORE)

    Dr Januarti Jaya ekaputri

  25. Effect of microbes addition on the properties and surface morphology of fly ash-based geopolymer paste

    Article • Journal of Building Engineering, January 2021, Elsevier

    Dr Januarti Jaya ekaputri, Setyo Budi Kurniawan

  26. THE IMPACT OF OPEN DUMPING METHOD IN NGIPIK LANDFILL INVESTIGATED WITH ELECTRICAL RESISTIVITY TOMOGRAPHY (ERT) AND VERY LOW-FREQUENCY ELECTROMAGNETIC (VLF-EM)

    Article • International Journal of Geomate, September 2020, International Journal of Geomate

    Dr Januarti Jaya ekaputri

  27. Combination of precipitated-calcium carbonate substitution and dilute-alkali fly ash treatment in a very high-volume fly ash cement paste

    Article • Construction and Building Materials, February 2020, Elsevier

    Dr Hamzah Fansuri, Dr Januarti Jaya ekaputri

  28. Compressive strength of medium calcium fly ash based geopolymer paste

    Article • IOP Conference Series Earth and Environmental Science, January 2020, Institute of Physics Publishing

    Dr Januarti Jaya ekaputri

  29. CRACKED SOILS BEHAVIOR DUE TO DRYING CONDITIONS USING A FUZZY C-MEANS METHOD

    Article • International Journal of Geomate, December 2019, International Journal of Geomate

    Dr Januarti Jaya ekaputri

  30. The effect of alkali concentration on chloride penetration in geopolymer concrete

    Article • IOP Conference Series Materials Science and Engineering, October 2019, Institute of Physics Publishing

    Dr Januarti Jaya ekaputri

  31. Bond Behaviour Between Reinforcing Bars and Geopolymer Concrete By Using Pull-out Test

    Article • MATEC Web of Conferences, January 2019, EDP Sciences

    Ratni Nurwidayati, Dr Januarti Jaya ekaputri

  32. Mechanical properties of concrete composed of sintered fly ash lightweight aggregate

    Article • MATEC Web of Conferences, January 2018, EDP Sciences

    Dr Januarti Jaya ekaputri

  33. The influence of molarity variations to the mechanical behavior of geopolymer concrete

    Article • MATEC Web of Conferences, January 2018, EDP Sciences

    Dr Januarti Jaya ekaputri

  34. The effect of additional aluminium to the strength of geopolymer paste

    Article • MATEC Web of Conferences, January 2018, EDP Sciences

    Dr Januarti Jaya ekaputri

  35. Effects of microbial agents to the properties of fly ash-based paste

    Article • MATEC Web of Conferences, January 2018, EDP Sciences

    Dr Januarti Jaya ekaputri

  36. Characterization and compressive strength of fly ash based-geopolymer paste

    Article • MATEC Web of Conferences, January 2018, EDP Sciences

    Dr Januarti Jaya ekaputri

  37. Physical and Chemical Character of Fly Ash of Coal Fired Power Plant in Java

    Article • IOP Conference Series Materials Science and Engineering, November 2017, Institute of Physics Publishing

    Dr Januarti Jaya ekaputri

  38. Study on The Geopolymer Concrete Properties Reinforced with Hooked Steel Fiber

    Article • IOP Conference Series Materials Science and Engineering, November 2017, Institute of Physics Publishing

    Dr Januarti Jaya ekaputri

  39. Effect of Activators on Strength of Hybrid Alkaline Cement

    Article • IOP Conference Series Materials Science and Engineering, May 2017, Institute of Physics Publishing

    Dr Hamzah Fansuri, Dr Januarti Jaya ekaputri

  40. The Influence of Salt Water on Chloride Penetration in Geopolymer Concrete

    Article • MATEC Web of Conferences, January 2017, EDP Sciences

    Dr Januarti Jaya ekaputri

  41. The Effect of Temperature Curing on Geopolymer Concrete

    Article • MATEC Web of Conferences, January 2017, EDP Sciences

    Triwulan Triwulan, Dr Januarti Jaya ekaputri

  42. The Effect of High Temperature on Compression Strength of Geopolymer Paste

    Article • MATEC Web of Conferences, January 2017, EDP Sciences

    Dr Januarti Jaya ekaputri

  43. Properties of Mn0.4Zn0.6Fe2O4 and Mn0.6Zn0.4Fe2O4 as Nanocatalyst for Ammonia Production

    Article • MATEC Web of Conferences, January 2017, EDP Sciences

    Dr. Poppy Puspitasari, Dr Januarti Jaya ekaputri

  44. An approximate deflection function for simply supported quadrilateral thin plate by variational approach

    Article • January 2017, American Institute of Physics

    kefiyalew zerfu, Dr Januarti Jaya ekaputri

  45. The effect of sintering temperature on the properties of metakaolin artificial lightweight aggregate

    Article • January 2017, American Institute of Physics

    Dr Januarti Jaya ekaputri

  46. Factors influencing strength and setting time of fly ash based-geopolymer paste

    Article • MATEC Web of Conferences, January 2017, EDP Sciences

    Dr Januarti Jaya ekaputri

  47. An Investigation of Damage Factors in Industrial Scale of Light-Weight Bricks Production

    Article • MATEC Web of Conferences, January 2017, EDP Sciences

    Dr Januarti Jaya ekaputri

  48. The effect of steam curing on chloride penetration in geopolymer concrete

    Article • MATEC Web of Conferences, January 2017, EDP Sciences

    Dr Januarti Jaya ekaputri

  49. The Application of PVA Fiber to Improve the Mechanical Properties of Geopolymer Concrete

    Article • MATEC Web of Conferences, January 2017, EDP Sciences

    Dr Januarti Jaya ekaputri

  50. Mechanical Properties of Geopolymer Concrete Exposed to Combustion

    Article • MATEC Web of Conferences, January 2017, EDP Sciences

    Dr Januarti Jaya ekaputri

  51. Damage Process of Concrete Around Anchor Frame Inside Footing for Steel Pier

    Article • Procedia Engineering, January 2017, Elsevier

    Dr Januarti Jaya ekaputri

  52. Effect of Curing Temperature and Fiber on Metakaolin-based Geopolymer

    Article • Procedia Engineering, January 2017, Elsevier

    Dr Januarti Jaya ekaputri

  53. Modeling the Cyclic Response of Perfobond-rib Shear Connectors

    Article • Procedia Engineering, January 2017, Elsevier

    Dr Januarti Jaya ekaputri

  54. Performance of Headed Stud on Steel-concrete Composite Bridge Deck as Shear Connector Subjected to Normal Force

    Article • Procedia Engineering, January 2017, Elsevier

    Dr Januarti Jaya ekaputri

  55. The influence of plain bar on bond strength of geopolymer concrete

    Article • January 2017, American Institute of Physics

    Dr Januarti Jaya ekaputri

  56. The relationship between Vickers microhardness and compressive strength of functional surface geopolymers

    Article • January 2017, American Institute of Physics

    Dr Januarti Jaya ekaputri

  57. The relationship between vickers microhardness and compressive strength of functional surface geopolymers

    Article • January 2017, American Institute of Physics

    Dr Januarti Jaya ekaputri

  58. Experimental Study on Internal RH of BFS Mortars at Early Age

    Article • Materials Science Forum, May 2016, Trans Tech Publications

    Dr Januarti Jaya ekaputri

  59. Properties of Y3Fe5O12 (YIG) as Nanocatalyst for Ammonia Formation Produced from Magnetic Induction Method (MIM)

    Article • Materials Science Forum, May 2016, Trans Tech Publications

    Dr. Poppy Puspitasari, Noorhana Yahya, Dr Januarti Jaya ekaputri

  60. Mechanical Properties of Volcanic Ash Based Geopolymer Concrete

    Article • Materials Science Forum, May 2016, Trans Tech Publications

    Dr. Poppy Puspitasari, Dr Januarti Jaya ekaputri

  61. Synthesis and Characterization of Ni<sub>0.8</sub>Zn<sub>0.2</sub>Fe<sub>2</sub>O<sub>4 </sub> Nanoparticles by Self-Combustion Technique

    Article • Materials Science Forum, May 2016, Trans Tech Publications

    Dr Januarti Jaya ekaputri

  62. Pemanfaatan Mikrobakteri Terhadap Beton Mutu Tinggi dengan Tambahan Silica Fume

    Article • Jurnal Teknik ITS, March 2016, Lembaga Penelitian dan Pengabdian kepada Masyarakat ITS

    Dr Januarti Jaya ekaputri

  63. Properties and Application of Geopolymers

    Article • January 2016, Trans Tech Publications

    Dr Januarti Jaya ekaputri

  64. Effect of Silica Fume and Glass Powder on High-Strength Paste

    Article • Key Engineering Materials, January 2016, Trans Tech Publications

    Dr Januarti Jaya ekaputri, Mr Henry Limantono

  65. Increasing Mechanical Strength with PVA Fiber and Glass Powder in Concrete

    Article • Key Engineering Materials, January 2016, Trans Tech Publications

    Dr Januarti Jaya ekaputri, Mr Henry Limantono, Triwulan Triwulan

  66. An Application of Rice Husk Ash (RHA) and Calcium Carbonate (CaCo3) as Materal for Self-Healing Cement

    Article • Key Engineering Materials, January 2016, Trans Tech Publications

    Dr Januarti Jaya ekaputri, Triwulan Triwulan

  67. Geopolymer Grout Material

    Article • Materials Science Forum, January 2016, Trans Tech Publications

    Dr Januarti Jaya ekaputri

  68. Characterization of Fly Ash on Geopolymer Paste

    Article • Materials Science Forum, January 2016, Trans Tech Publications

    Dr Januarti Jaya ekaputri, Ratni Nurwidayati, Triwulan Triwulan

  69. Lightweight Geopolymer Binder with Abaca Fiber in Different Curing

    Article • Materials Science Forum, January 2016, Trans Tech Publications

    Dr Januarti Jaya ekaputri, Triwulan Triwulan

  70. Fly Ash Based Geopolymer Concrete

    Article • Materials Science Forum, January 2016, Trans Tech Publications

    Dr Januarti Jaya ekaputri, kefiyalew zerfu

  71. Application of Pozzolan as Materials of Geopolymer Paste

    Article • Materials Science Forum, January 2016, Trans Tech Publications

    Dr Januarti Jaya ekaputri, Triwulan Triwulan

  72. Analysis of Coal Waste Solidification as an Alternative Filler Material in Asphalt Concrete Mixture

    Article • Materials Science Forum, January 2016, Trans Tech Publications

    Dr Januarti Jaya ekaputri

  73. The Influence of Si:Al and Na:Al on the Physical and Microstructure Characters of Geopolymers Based on Metakaolin

    Article • Materials Science Forum, January 2016, Trans Tech Publications

    Dr Subaer Subaer, Dr Januarti Jaya ekaputri

  74. Effect of Microwave Curing to the Compressive Strength of Fly Ash Based Geopolymer Mortar

    Article • Materials Science Forum, January 2016, Trans Tech Publications

    Dr Januarti Jaya ekaputri

  75. Oil Palm Clinker Potentility for Producing Lightweight Concrete: Compressive Strength, Tensile and Modulus of Elasticity Analysis

    Article • Materials Science Forum, January 2016, Trans Tech Publications

    Dr Januarti Jaya ekaputri

  76. A Review on the Manufacturing of Lightweight Aggregates Using Industrial By-Product

    Article • MATEC Web of Conferences, January 2016, EDP Sciences

    Dr Januarti Jaya ekaputri

  77. Correlation between Na2SiO3/NaOH and NaOH Molarity to Flexural Strength of Geopolymer Ceramic

    Article • Applied Mechanics and Materials, April 2015, Trans Tech Publications

    Dr Januarti Jaya ekaputri

  78. Sidoarjo Mud-Based Lightweight Mortar Using Foaming Agent and Aluminum Powder

    Article • Applied Mechanics and Materials, April 2015, Trans Tech Publications

    Triwulan Triwulan, Dr Januarti Jaya ekaputri

  79. Effect of Sodium Hydroxide (NaOH) Concentration on Compressive Strength of Alkali-Activated Slag (AAS) Mortars

    Article • Applied Mechanics and Materials, April 2015, Trans Tech Publications

    Dr Januarti Jaya ekaputri

  80. Multiscale Coupled-Hygromechanistic Approach to the Life-Cycle Performance Assessment of Structural Concrete

    Article • Journal of Materials in Civil Engineering, February 2015, American Society of Civil Engineers (ASCE)

    Dr Januarti Jaya ekaputri

  81. The Influence of Alkali Activator Concentration to Mechanical Properties of Geopolymer Concrete with Trass as a Filler

    Article • Materials Science Forum, August 2014, Trans Tech Publications

    Dr Januarti Jaya ekaputri, Triwulan Triwulan

  82. Lightweight Geopolymer Binder Base on Sidoarjo Mud

    Article • Materials Science Forum, August 2014, Trans Tech Publications

    Dr Januarti Jaya ekaputri, Triwulan Triwulan

  83. Mechanical Properties of MIRHA-Fly Ash Geopolymer Concrete

    Article • Materials Science Forum, August 2014, Trans Tech Publications

    Dr Januarti Jaya ekaputri, Dr Subaer Subaer, Hamzah Fansuri, Dr Hamzah Fansuri, Triwulan Triwulan

  84. The Influence of Si:Al and Na:Al On The Physical and MicrostructureCharacters of Geopolymers

    Article • Materials Science Forum, August 2014, Trans Tech Publications

    Dr Januarti Jaya ekaputri, Dr Subaer Subaer, Hamzah Fansuri, Dr Hamzah Fansuri, Triwulan Triwulan

  85. Residual Fatigue Life Assessment of Damaged RC Bridge Slabs Based on Site-Inspection for Cracking: A Quantitative Discussion

    Article • Advances in Structural Engineering, April 2014, SAGE Publications

    Dr Januarti Jaya ekaputri

  86. Identifiable Stress State of Wind Turbine Tower-foundation System Based on Field Measurement and FE Analysis

    Article • Procedia Engineering, January 2014, Elsevier

    Dr Januarti Jaya ekaputri

  87. Influence of Coarse Aggregates on the Shear Resistance of Perfobond Rib Shear Connector

    Article • Procedia Engineering, January 2014, Elsevier

    Dr Januarti Jaya ekaputri

  88. Mechanical Properties of Saturated Concrete Depending on the Strain Rate

    Article • Procedia Engineering, January 2014, Elsevier

    Dr Januarti Jaya ekaputri

  89. Rate‐dependent model of structural concrete incorporating kinematics of ambient water subjected to high‐cycle loads

    Article • Engineering Computations, August 2013, Emerald

    Dr Januarti Jaya ekaputri

  90. Crack Water Interaction and Fatigue Life Assessment of RC Bridge Decks

    Article • June 2013, American Society of Civil Engineers (ASCE)

    Dr Januarti Jaya ekaputri

  91. Sodium sebagai Aktivator Fly Ash, Trass dan Lumpur Sidoarjo dalam Beton Geopolimer

    Article • Jurnal Teknik Sipil, April 2013, The Institute for Research and Community Services (LPPM) ITB

    Dr Januarti Jaya ekaputri

  92. Pseudo-Cracking Approach to Fatigue life Assessment of RC Bridge Decks in Service

    Article • Journal of Advanced Concrete Technology, January 2013, Japan Concrete Institute

    Dr Januarti Jaya ekaputri

  93. A Computational Simulation for the Damage Mechanism of Steel-Concrete Composite Slabs under High Cycle Fatigue Loads

    Article • Journal of Advanced Concrete Technology, June 2011, Japan Concrete Institute

    Dr Januarti Jaya ekaputri

  94. Fatigue Life Simulation of RC Bridge Slab with Initial Defects under Water

    Article • Procedia Engineering, January 2011, Elsevier

    Dr Januarti Jaya ekaputri

  95. FATIGUE LIFE SIMULATION AND FAILURE MODE FOR STEEL-CONCRETE COMPOSITE BRIDGE DECK BASED UPON A DIRECT PATH-INTEGRAL SCHEME

    Article • Doboku Gakkai Ronbunshuu A, January 2010, Japan Society of Civil Engineers

    Dr Januarti Jaya ekaputri

  96. Shear Fatigue Simulation of RC Beams Subjected to Fixed Pulsating and Moving Loads

    Article • Journal of Advanced Concrete Technology, January 2008, Japan Concrete Institute

    Dr Januarti Jaya ekaputri

  97. LEACHABLE BORON FROM FLY ASH

    Article • Jurnal Purifikasi, January 1970, Lembaga Penelitian dan Pengabdian kepada Masyarakat ITS

    Dr Januarti Jaya ekaputri