Construction 3D Printing Technology

3Dプリンターの様子

As 3D printing technology advances across various fields, the construction sector is focusing on technological development primarily to reduce the labor and manpower needed for concrete construction.

Here, we will review the history of technological development, starting from the 3D printing material LACTM to the latest advancements in material jetting 3D printing.

Application at a civil engineering site
  • Example application in permanent formwork for pillar foundations
    Example application in permanent formwork for pillar foundations
    - Realizing 60% shorter construction periods -
    (Railway construction sites)
  • Example application in outside bench - Reducing material usage by making components thinner -(Sengozawa Dam reconstruction)
    Example application in outside bench
    - Reducing material usage by making components thinner -
    (Sengozawa Dam reconstruction)
2022
Developed “Structural LACTM” and obtained ministerial approval
Developed and put Shimz Robo-Printer to practical use
2023
Achieved printing of structures to pursue various application methods
  • Example application in shell-structured roof- Achieving a highly watertight structure leveraging the characteristics of LACTM -(Recycling storage unit at Smart Innovation Ecosystem NOVARE)
    Example application in shell-structured roof
    - Achieving a highly watertight structure leveraging the characteristics of LACTM -
    (Recycling storage unit at Smart Innovation Ecosystem NOVARE)
  • Example application in restroom facility - Design utilizing curved surface -(SETAGAYA Qs-GARDEN)
    Example application in restroom facility
    - Design utilizing curved surface -
    (SETAGAYA Qs-GARDEN)
2024
Developing material jetting 3D printing technology

Awards received

Japan Society of Civil Engineers Award 2023 (Innovative Technique Award)
Development of Construction 3D Printing Technology using Fiber-Reinforced Cementitious Composites

Engineering Commendation Award of ENAA 2022, Small and Medium-Sized Project Category
Construction 3D Printing System Development Team

Japan Construction Machinery Construction Grand Prize 2022, Excellence Category, Grand Prize
Construction 3D Printing System Using Robot Arm

Japan Concrete Institute Award 2022 (Technology Award)
Development and practical application of 3D printing technology for construction

Japan Society of Civil Engineers Tanaka Award Selection Committee Kakehashi Award 2021
Application of 3D printing technology to permanent formwork with free-form curved surfaces

Japan Society of Civil Engineers Award 2019 (Yoshida Award, Encouraging Prize)
Research on automated concrete construction using 3D printing technology

Construction 3D Printing Technology
Earthquake Engineering
Hydrogen Utilization Technology
Voice Navigation System
Concrete with a Superior Appearance

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