Basic Information

Faculty

• Faculty of Engineering

Email Address

• Email Address

  ihsani.zalfamaulida.2ykyoto-u.ac.jp

Professional Memberships

• Japan Society of Civil Engineers
• Japanese Geotechnical Society

Academic Degree

• 24 Mar. 2023

  愛媛大学修士（工学）
• 24 Mar. 2026

  愛媛大学博士（工学）

Academic Resume (Undergraduate School/Majors)

• MA Persis Tarogong, 卒業
• インドネシア国立ボゴール農科大学, 農業工学技術学部土木環境工学科, 卒業

ID,URL

• J-Global ID

  202601004396513213

• Researcher number

  21042996

researchmap URL

• https://researchmap.jp/zalfa_ihsani

Research

Research Interests

• リサイクル材料
• Biocementation
• Soil Improvement

Research Areas

• Social infrastructure (civil Engineering, architecture, disaster prevention), Disaster prevention engineering
• Social infrastructure (civil Engineering, architecture, disaster prevention), Geotechnical engineering

Papers

• Pilot-Scale Soybean Crude Urease–Based EICP for Soil Improvement in Sand: Distribution and Performance Using Commercial-Grade Reagents

  Zalfa Maulida Ihsani; Nuril Charisma; Naoki Kinoshita; Kazuyuki Hayashi; Junichi Akashi; Takashi Ichitsubo; Takuya Sasajima; Lutfhi Lofianda; Haruma Nishimoto; Hideaki Yasuhara

  Journal of Geotechnical and Geoenvironmental Engineering, 01 Nov. 2026

  
• Polymer-assisted soybean crude urease carbonate precipitation technique for soil improvement

  Zalfa Maulida Ihsani; Naoki Kinoshita; Hideaki Yasuhara; Heriansyah Putra

  Biogeotechnics, Dec. 2025

  
• Prospects of commercial-grade reagents on soybean crude urease as a bio-grouting for fine-graded sand

  Akbar Renaldi Loebis; Hideaki Yasuhara; Naoki Kinoshita; Heriansyah Putra; Zalfa Maulida Ihsani

  International Journal of Geotechnical Engineering, 10 Jun. 2025

  
• Influence of Soybean and Reagent Concentration on Characteristics of Precipitated Materials

  Rifqi Prayodi; Heriansyah Putra; Hideaki Yasuhara; Minson Simatupang; Zalfa Maulida Ihsani; Dede Heri Yuli Yanto; Lutfian R. Daryono

  Journal of GeoEngineering, 2025

  
• Impact of fine soil on soybean calcite precipitation: A multifaceted analysis of mechanical and chemical interaction in sand soil stabilization

  Luthfi Lofianda; Naoki Kinoshita; Hideaki Yasuhara; Heriansyah Putra; Zalfa Maulida Ihsani

  Journal of GeoEngineering, 2025

  
• Efficacy of soybean-derived crude extract in enzyme-induced carbonate precipitation as soil-improvement technique

  Galih Bhekti Sula Pratama; Hideaki Yasuhara; Naoki Kinoshita; Heriansyah Putra; Abdullah Almajed; Satoru Fukugaichi; Zalfa Maulida Ihsani

  International Journal of Geo-Engineering, 29 May 2024

  
• The Utilization of Milk as a Catalyst Material in Enzyme-Mediated Calcite Precipitation (EMCP) for Crack-Healing in Concrete

  Zalfa Maulida Ihsani; Heriansyah Putra

  Civil Engineering Dimension, 20 Apr. 2021

  

Misc.

• Influence of Reagent Purity on Soybean Crude Urease Carbonate Precipitation Technique for Soil Improvement

  令和7年度地盤工学会四国支部技術研究発表会, Nov. 2025

  
• Utilizing EICP with eggshell lime for sand soil improvements

  Alfaris Baqir Arrazzaq; Zalfa Maulida Ihsani; Naoki Kinoshita; Hideaki Yasuhara; Heriansyah Putra

  令和7年度土木学会四国支部第31回技術研究発表会, Jun. 2025

  
• Utilization of paper sludge ash (PSA) and soybean calcite precipitation for fine soil improvement

  Lutfhi Lofianda; Zalfa Maulida Ihsani; Naoki Kinoshita; Hideaki Yasuhara; Heriansyah Putra

  令和7年度土木学会四国支部第31回技術研究発表会, Jun. 2025

  
• Enhancing the efficiency of SCU-CP-based soil improvement techniques with natural fibers

  Zalfa Maulida Ihsani; Naoki Kinoshita; Hideaki Yasuhara; Heriansyah Putra

  令和7年度土木学会四国支部第31回技術研究発表会, Jun. 2025

  
• Effect of powdered waste soybean particle size on enzyme-induced carbonate precipitation for soil stabilization

  Zalfa Maulida Ihsani; Naoki Kinoshita; Hideaki Yasuhara; Heriansyah Putra

  令和6年度地盤工学会四国支部技術研究発表会, Dec. 2024

  
• Effects of dry and wet cycling on the mechanical properties of BCP-treated soils

  Zalfa Maulida Ihsani; Naoki Kinoshita; Hideaki Yasuhara; Heriansyah Putra

  令和6年度土木学会四国支部第30回技術研究発表会, Jun. 2024

  
• Soil improvement using polymer-modified enzyme-induced carbonate precipitation

  Zalfa Maulida Ihsani; Naoki Kinoshita; Hideaki Yasuhara; Heriansyah Putra

  令和5年度地盤工学会四国支部技術研究発表会, Nov. 2023

  
• Simplified extraction method of soybean in enzyme-induced carbonate precipitation for soil improvement

  Zalfa Maulida Ihsani; Naoki Kinoshita; Hideaki Yasuhara; Heriansyah Putra

  令和4年度地盤工学会四国支部技術研究発表会, Dec. 2022

  
• Application of taguchi method in enzyme-induced carbonate precipitation (EICP) for soil improvement

  Zalfa Maulida Ihsani; Naoki Kinoshita; Hideaki Yasuhara; Heriansyah Putra

  令和3年度地盤工学会四国支部技術研究発表会, Nov. 2021

  

Presentations

• Utilization of recycled soybean as a urease source in carbonate precipitation for soil improvement

  Zalfa Maulida Ihsani; Hideaki Yasuhara; Naoki Kinoshita; Heriansyah Putra; Nishimoto Haruma

  2025 International Conferences on Bio-mediated and Bio-inspired on Geotechnics, Arizona, USA

  
• Enhancing the Efficiency of SCU-CP-Based Soil Improvement Techniques with Additional Materials

  The International Joint Meeting of Young Researchers for Future Research Collaboration (iCollab), 14 Mar. 2025

  
• Improvement of shear strength parameters on clay shale using calcite precipitation method

  Maulina Lamuse; Heriansyah Putra; Erizal; Zalfa Maulida Ihsani

  The 3rd International Seminar on Civil and Environmental Engineering (ISCEE), Indonesia

  
• Soil improvement via polymer-assisted soybean crude urease carbonate precipitation technique

  2nd International Conference on Microbial Biotechnology in Construction Materials and Geotechnical Engineering. Singapore

  
• Soil improvement using industrial waste-derived urease-induced calcium carbonate precipitation.

  Joint Symposium to Promote the Active Participation of Female Researchers (HIRAKU-Global / Center for World-Class Researcher Development), 19 Aug. 2023

  

Awards

• 11 Dec. 2023

  技術研究発表会最優秀発表賞（土木学会四国支部）
• 14 Mar. 2025

  Best Presenter Award, The First iCollab（愛媛大学）