All Stories

  1. Mechanical Properties of 3D-Printed Molybdenum Tailings Mortar

    Article • Applied Sciences, October 2025, MDPI AG

    Tomoya Nishiwaki

  2. Cover Thickness Prediction for Steel Inside Concrete by Sub-Terahertz Wave Using Deep Learning

    Article • September 2025, MDPI AG

    Tomoya Nishiwaki

  3. Experimental Study on Estimation of Water Content and Chloride Ion Content of Concrete by Sub-Terahertz Wave

    Article • September 2025, MDPI AG

    Tomoya Nishiwaki

  4. Non-Contact Detection of Steel Corrosion Using Sub-Terahertz Waves

    Article • September 2025, MDPI AG

    Tomoya Nishiwaki

  5. Design-driven approach for engineered geopolymer composite with recorded low fiber content

    Article • Composites Part B Engineering, December 2024, Elsevier

    Tomoya Nishiwaki

  6. Limestone calcined clay-based engineered cementitious composites (LC3-ECC) with recycled sand: Macro performance and micro mechanism

    Article • Construction and Building Materials, November 2024, Elsevier

    Tomoya Nishiwaki

  7. DETAILED GRID MAPPING FOR THE COLD AND HOT WEATHER CONCRETING PERIODS BASED ON THE MESH CLIMATOLOGICAL NORMALS 2020

    Article • Journal of Structural and Construction Engineering (Transactions of AIJ), October 2024, Architectural Institute of Japan

    Tomoya Nishiwaki

  8. Fully recycled engineered geopolymer composite: Mechanical properties and sustainability assessment

    Article • Journal of Cleaner Production, September 2024, Elsevier

    Tomoya Nishiwaki

  9. A New Methodology to Estimate the Early-Age Compressive Strength of Concrete before Demolding

    Article • Buildings, July 2024, MDPI AG

    Tomoya Nishiwaki

  10. Freezing-thawing durability and chemical characteristics of air-entrained sustainable concrete incorporated high-calcium fly ash in high-volume

    Article • Journal of Building Engineering, July 2024, Elsevier

    Tomoya Nishiwaki

  11. A New Methodology to Estimate the Early Age Compressive Strength of Concrete Before Demolding

    Article • June 2024, MDPI AG

    Tomoya Nishiwaki

  12. Fundamental Properties of Sub-THz Reflected Waves for Water Content Estimation of Reinforced Concrete Structures

    Article • Buildings, April 2024, MDPI AG

    Tomoya Nishiwaki

  13. Non-destructive testing of reinforced concrete structures using sub-terahertz reflected waves

    Article • Developments in the Built Environment, April 2024, Elsevier

    Tomoya Nishiwaki

  14. A Direction-Independent Reinforcement by Combination of Fiber Reinforced Cementitious Composite and Automated Pin Insertion

    Article • January 2024, Springer Science + Business Media

    Tomoya Nishiwaki

  15. DEVELOPMENT OF HEATING METHOD TO CURE GROUT FOR JOINTS OF COMPRESSIVE STRENGTH 300N/mm<sup>2</sup> CLASS PRECAST MEMBERS

    Article • AIJ Journal of Technology and Design, February 2023, Architectural Institute of Japan

    Tomoya Nishiwaki

  16. Terahertz (THz) Wave Imaging in Civil Engineering to Assess Self-Healing of Fiber-Reinforced Cementitious Composites (FRCC)

    Article • Journal of Advanced Concrete Technology, January 2023, Japan Concrete Institute

    Tomoya Nishiwaki

  17. A METHOD TO ESTIMATE THE EARLY AGE COMPRESSIVE STRENGTH OF CONCRETE BEFORE DEMOLDING USING A PIN PENETRATION DEVICE

    Article • Journal of Structural and Construction Engineering (Transactions of AIJ), January 2023, Architectural Institute of Japan

    Tomoya Nishiwaki

  18. Ecological and Mechanical Performances of Ultra-High- Performance Fiber-Reinforced Cementitious Composite Containing Fly Ash

    Article • ACI Materials Journal, January 2023, American Concrete Institute

    Tomoya Nishiwaki

  19. Effect of Twisted and Coiled Polymer Actuator (TCPA) on Crack Dispersion Properties of HPFRCC

    Article • Materials, August 2022, MDPI AG

    Tomoya Nishiwaki

  20. Current Issues and Questionnaire Survey of Cold Weather Concreting in Mongolia

    Article • Buildings, August 2022, MDPI AG

    Tomoya Nishiwaki

  21. Compressive strength development and durability properties of high-calcium fly ash incorporated concrete in extremely cold weather

    Article • Construction and Building Materials, January 2022, Elsevier

    Tomoya Nishiwaki

  22. A Screening Method for Very-Low-Strength Concrete

    Article • ACI Materials Journal, January 2022, American Concrete Institute

    Tomoya Nishiwaki

  23. Fundamental Study on Automated Interlayer Reinforcing System with Metal Fiber Insertion for 3D Concrete Printer

    Article • January 2022, Springer Science + Business Media

    Tomoya Nishiwaki

  24. Reinforcing Interlayers of Three-Dimensional-Printed Mortar Using Metal Fiber Insertion

    Article • ACI Materials Journal, November 2021, American Concrete Institute

    Tomoya Nishiwaki

  25. EXAMPLE OF AN ONLINE CONSTRUCTION SITE TOUR ADAPTED TO THE COVID-19 PANDEMIC

    Article • AIJ Journal of Technology and Design, October 2021, Architectural Institute of Japan

    Tomoya Nishiwaki

  26. Focus on self-healing materials: recent challenges and innovations

    Article • Science and Technology of Advanced Materials, March 2021, Taylor & Francis

    Tomoya Nishiwaki

  27. Mechanical and Environmental Proprieties of UHP-FRCC Panels Bonded to Existing Concrete Beams

    Article • Sustainability, March 2021, MDPI AG

    Tomoya Nishiwaki

  28. Equipment and Procedure Description

    Article • January 2021, Springer Science + Business Media

    Tomoya Nishiwaki

  29. The behavior of concrete columns confined by UHP-FRCC jacketing

    Article • October 2020, The International Federation for Structural Concrete

    Tomoya Nishiwaki

  30. Tailoring Confining Jacket for Concrete Column Using Ultra High Performance-Fiber Reinforced Cementitious Composites (UHP-FRCC) with High Volume Fly Ash (HVFA)

    Article • Materials, December 2019, MDPI AG

    Tomoya Nishiwaki

  31. Compressive and Flexural Strength Behavior of Ultra-high Performance Mortar Reinforced with Cellulose Nano-fibers

    Article • International Journal on Advanced Science Engineering and Information Technology, February 2019, Insight Society

    Tomoya Nishiwaki

  32. Effect of fly ash on tensile properties of ultra-high performance fiber reinforced cementitious composites (UHP-FRCC)

    Article • Journal of Sustainable Cement-Based Materials, November 2018, Taylor & Francis

    Dr. Faiz Uddin Ahmed Shaikh, Tomoya Nishiwaki

  33. Synergy assessment in hybrid Ultra-High Performance Fiber-Reinforced Concrete (UHP-FRC)

    Article • Cement and Concrete Composites, February 2018, Elsevier

    Tomoya Nishiwaki

  34. Ecological and Mechanical Properties of Ultra High Performance – Fiber Reinforced Cementitious Composites Containing High Volume Fly Ash

    Article • September 2017, Springer Science + Business Media

    Tomoya Nishiwaki

  35. Experimental Study on Time-Dependent Behavior of Cracked UHP-FRCC Under Sustained Loads

    Article • December 2016, Springer Science + Business Media

    Dr. Faiz Uddin Ahmed Shaikh, Tomoya Nishiwaki

  36. SURVEY ON CHLORIDE INGRESS INTO CONCRETE OF DAMAGED STRUCTURES BY THE 2011 TOHOKU EARTHQUAKE TSUNAMI

    Article • AIJ Journal of Technology and Design, January 2016, Architectural Institute of Japan

    Tomoya Nishiwaki

  37. Effect of Wollastonite Microfiber on Ultra-High-Performance Fiber-Reinforced Cement-Based Composites Based on Application of Multi-Scale Fiber-Reinforcement System

    Article • Journal of Advanced Concrete Technology, July 2015, Japan Concrete Institute

    Tomoya Nishiwaki

  38. Material Design Methods for Lightweight Cement-Based Composites and Its Application

    Article • Journal of Advanced Concrete Technology, March 2015, Japan Concrete Institute

    Tomoya Nishiwaki

  39. Development of Ultra-High-Performance Hybrid Fiber-Reinforced Cement-Based Composites

    Article • ACI Materials Journal, June 2014, American Concrete Institute

    Tomoya Nishiwaki

  40. Tailoring Hybrid Strain-Hardening Cementitious Composites

    Article • ACI Materials Journal, April 2014, American Concrete Institute

    Tomoya Nishiwaki

  41. Self-Healing Capability of Fiber-Reinforced Cementitious Composites for Recovery of Watertightness and Mechanical Properties

    Article • Materials, March 2014, MDPI AG

    Tomoya Nishiwaki

  42. FUNDAMENTAL STUDY ON THE INFLUENCE OF FIBER VOLUME CONTENT AND REBAR DIAMETER ON THE SYNERGY EFFECTS OF REINFORCED HFRCC UNDER UNIAXIAL TENSION TESTS

    Article • AIJ Journal of Technology and Design, January 2014, Architectural Institute of Japan

    Tomoya Nishiwaki

  43. Experimental Techniques Used to Verify Healing

    Article • January 2013, Springer Science + Business Media

    Tomoya Nishiwaki

  44. Recovery against Mechanical Actions

    Article • January 2013, Springer Science + Business Media

    Tomoya Nishiwaki

  45. Experimental Study on Self-Healing Capability of FRCC Using Different Types of Synthetic Fibers

    Article • Journal of Advanced Concrete Technology, June 2012, Japan Concrete Institute

    Tomoya Nishiwaki

  46. Development of Engineered Self-Healing and Self-Repairing Concrete-State-of-the-Art Report

    Article • Journal of Advanced Concrete Technology, June 2012, Japan Concrete Institute

    Tomoya Nishiwaki

  47. Tailoring SHCC Made of Steel Cords and Plastic Fibers

    Article • January 2012, Springer Science + Business Media

    Tomoya Nishiwaki

  48. EXPERIMENTAL STUDY ON SELF-HEALING CAPABILITY OF FRCC USING SYNTHETIC FIBERS

    Article • Journal of Structural and Construction Engineering (Transactions of AIJ), January 2011, Architectural Institute of Japan

    Tomoya Nishiwaki

  49. Fundamental study on self-repairing concrete using a selective heating device

    Article • May 2010, Taylor & Francis

    Tomoya Nishiwaki

  50. Self-Healing Capability of Fibre Reinforced Cementitious Composites

    Article • Journal of Advanced Concrete Technology, June 2009, Japan Concrete Institute

    Tomoya Nishiwaki

  51. Development of Self-Healing System for Concrete with Selective Heating around Crack

    Article • Journal of Advanced Concrete Technology, January 2006, Japan Concrete Institute

    Tomoya Nishiwaki