STEEL CONSTRUCTION
    TODAY & TOMORROW

　　No.76 April 2026

JSSC Commendations for Outstanding Achievements in 2025
Outstanding Achievement Awards　・Construction of Large-section Tunnel with Sakusaku JAWS Method　・Bridge to Freedom in South Sudan! Freedom Bridge　・Joint Pavilion Iida Group´Osaka Metropolitan Univ. at Expo 2025 Osaka　・Kobe Suma Sea World ・ Azabudai Hills Mori JP Tower
Technical Paper Awards 　・Stress Concentration Reduction for Drilled Crack-arrest Holes Using Patch Plates with High-strength Bolts under Axial and Shear Loads　・Effect of Welding Methods for Connecting Columns with Through-diaphragm on Plastic Deformation Capacity of Cold-formed Rectangular HSS Columns
Feature Article: Utilization of DX in Steel Bridge Design
Trends in the Operation of Design Data for Steel Bridges
Special Article: Stainless Steel
Stainless Steel Lattice Screens at Tokuyama Deck Gallery　・Application of Punched Stainless Steel Panels in Architectural Metal Products
Other Topics
ISSS-PSSC 2025 in Korea ・ 2025 China-Japan-Korea Tall Building Forum in Korea
Messages from JSSC President and International Committee Chairman

　　No.75 December 2025

Feature Article: Recent Developments in Steel Building Construction
  DX Challenges in Azabudai Hills
・ Electroslag Welding Applications for Steel Building Construction
Serial Article: Latest Design of Steel Buildings in Japan (10)
・ POWERX FACTORY PROJECT: Remodeling of Large-scale Existing Factory into Column-free Bright Space by Utilizing Existing Steel Framings

　　No.74 August 2025

Feature Article: Higher Structural Performance and Durability
・ Performance-based Infrastructure Asset Management and Design Specifications for Road Structures
・ Major Activities of Research Committee on Structural Performance and Durability of Steel Bridges
・ Development of Next-step Technology for Bridge Performance Evaluation
・ Improvement of Fatigue Strength and Rational Maintenance Technology for Steel Bridges
Special Topic
・ New Developments in Structural Engineering in the Age of Generative AI

　　No.73 April 2025

JSSC Commendations for Outstanding Achievements in 2024
Outstanding Achievement Awards 　・Chiba JPF Dome (TIPSTAR DOME CHIBA)　・Yaesu Central Tower at Tokyo Midtown Yaesu　・ES CON FIELD HOKKAIDO　・Braila Bridge Spanning the Danube
Technical Paper Awards ・ Influence of Column Skin Plate Thickness on the Toughness of Electro-slag Weld Joints for Built-up Box Section Columns
Feature Article: Steel Bridges/Stainless Steel
Rebuilding of Kumamoto Earthquake-damaged Daiichi Shirakawa Bridge of Minami-aso Railway ・ Robust Corrosion-prevention Technology and Rational Corrosion Diagnosis/Repair Technology for Steel Bridges　・Sumida River Terrace Pedestrian Bridge―Application of Duplex Stainless Steel
Other Topics
・Overseas Steel Construction Project: PACIFIC CENTURY PLACE JAKARTA
・2024 China-Japan-Korea Tall Building Forum in Shcnzhen, China
・Messages from JSSC President and International Committee Chairman

　　No.72 December 2024

Feature Article: Toward Higher Reliability of Beam-end Butt Joints
・ Weld Acceptance Criteria for Beam-end Butt Joints in Seismically Loaded Steel Structure
・ Defects and Plastic Deformation Capacity of Beam-end Butt Joints of Steel-frame Structure
Serial Article: Latest Design of Steel Buildings in Japan (9)
・ Grove: Creating Free Space in a Rigid Steel Frame Structure

　　No.71 August 2024

Feature Article: Technologies to Reinforce and Make Resilient Foundation Structures
・Development of Method to Reinforce Gravity-type Breakwaters Employing Steel Piles
・Secondary Design Method for Building Foundations Capitalizing on the Deformation Capacity of Steel Pipe Piles
・ New Development in Construction Management in the Hammer Driving of Steel Pipe Piles
・ Model Experiments on Piping Failure of River Levees
・ Low-carbon Measures in the Life Cycle of Concrete Structures

　　No.70 April 2024

JSSC Commendations for Outstanding Achievements in 2023
Outstanding Achievement Awards 　・OSAKA UMEDA TWIN TOWERS SOUTH　・Ariake Arena―Seismically-isolated Large-space Roof Structure― 　・Centennial Main Building of SIT Toyosu Campus ・ TOKYO TORCH Tokiwabashi Tower
　Thesis Awards 　・Effects of Beam Cross-Sectional Size and Web Connection Type on Mechanical Properties of Beam-to-Column Connection　・Experimental Study on the Influence of Thin Mortar Layer and Headed Stud Spacing of the Precast Concrete Slab on Composite Girder Bridges
Special Topic: Steel Construction Projects Overseas
・ “Tao Zhu Yin Yuan” High-rise Residential Building in Taiwan ・ Construction of Elevated Bridges in the Urban Area of Sri Lanka
Other Topics
・Special Article on Stainless Steel: Large Stainless Steel Roof at Japan National Stadium
・2023 China-Japan-Korea Tall Building Forum in Tokyo, Japan
・13th Pacific Structural Steel Conference (PSSC2022)
・Message from JSSC President and International Committee Chairman

　　No.69 December 2023

Feature Article：Quality Assurance for Steel Products and Marking of Properties in Japan
・JSS I 02-2017 Marking Rule for Steel Properties
・JSS I 02-2017 Marking Rule for Steel Properties-Commentary
・Practical Examples of Marking Rule for Steel Properties
Special Topic：Achieving Carbon Neutrality in the Japanese Steel Industry
Serial Article: Latest Design of Steel Buildings in Japan (8)
・Yamamoto Konan Building：A Double Spiral Structure Enables a Museum and Peripheral Vehicle Passage

　　No.68 August 2023

Feature Article：Sound Maintenance of Steel Port Structures and Bridges
・Revision of Corrosion Protection and Repair Manual for Port and Harbour Steel Structures
・Abrasive Water-Jet Treatment(AWT)- New Surface Preparation Technology for High-speed, Extreme Removal of Salts and Corrosion Products of Severely-corroded Steel Structures
・Integration of Monitoring and Numerical Modeling for Rapid Post-Earthquake Assessment
Special Topic
・Strategy for the Construction Industry in the Age of Digital Transformation

　　No.67 April 2023

JSSC Commendations for Outstanding Achievements in 2022
Outstanding Achievement Awards　・Tokyo International Cruise Terminal　・Japan National Stadium　・Ariake Garden-Theater,Hotel,Mall & Spa　・Base-isolation Seismic Retrofitting of Nagoya TV Tower
Thesis Awards　・Cycling Properties of Concrete-filled Square Steel Tube Beam-Columns under Constant Amplitude Cyclic Loading　・Study on Fatigue Strength of Lean Duplex Stainless Steel Base Metal　・Collapse Temperatures of Steel Plane Frames Considering Fire Spread　・Flexural Shear Performance of Concrete-filled Box Section Column Made of Ultra-high Strength Steel Assembled by Undermatched Welds
Special Topic
・Current Tasks and Future Development of CIM and BIM Applications
Other Topics
・Special Article on Stainless Steel: Concept of Landscaping the Sumida River Terrace Connecting Bridge
・8th China-Japan-Korea Tall Building Forum in 2022
・Message from JSSC International Committee Chairman

　　No.66 December 2022

Feature Article
Qualifications for Steel Construction Engineers in Japan
・Organization for Building Steel Structure Qualification
・Supervisors for Steel Construction Works
・Supervisors for Steel Construction Works -Qualification Exam Textbook-
Special Topic
・Seismic Evaluation of Building Frames Using SN Steel
A serial article on the Latest Design of Steel Buildings in Japan (7)
・“myu terrace” Brings Economy, Style to Matsuyama University Campus

　　No.65 August 2022

Feature Article: Towards Highly Resilient and Longer-lasting Steel Bridges
・Bridge Technologies of Hanshin Expressway Wangan Route and Structural Plans for Osaka Wangan Expressway Western Extension Project
・Activities of the Research Committee on Steel Bridges with Higher Resilience and Longer Service Life (2nd Term)
・Report of the Working Group on Rationalized Design
・Report of the Working Group on Fatigue Strength
・Report of the Working Group on Corrosion and Durability
Special Topic
・SBHS：High-performance Steel for Bridges Originated in Japan

　　No.64 April 2022

JSSC Commendations for Outstanding Achievements in 2021
Outstanding Achievement Awards　・ACADEMIC-ARK of Otemon Gakuin　・SHIBUYA SCRAMBLE SQUARE The First Phase (East Tower)・“Voronoi Partition” Space Design of Sanei Construction Steel Structure Division New Office　・Yokohama City Hall　・Shibuya Station on the Tokyo Metro Ginza Line
Thesis Awards　・Local Deformation Behavior of SHS in Beam-to-Column Connection with Exterior-diaphragm Assembled by High-strength Bolts　・Improvement of Fatigue Durability in Welded Gusset Joints by Carbon Fiber Sheets Using VaRTM Technique　・Influence of Bolt Shape and Dimensions on Mechanical Property of 1700 MPa-Class Ultra-High Strength Bolt
Feature Article: R&D on Advanced Mechanical Fastening Technology
・Examination of High-strength Bolt Fastening by OS (Offset Slope) Method
Other Topics
・Special Article on Stainless Steel: SUS Lining Applied in the Jacket-type Pier at Tokyo International Cruise Terminal
・The 7th China-Japan-Korea Tall Building Forum in 2021
・Message from JSSC International Committee Chairman

　　No.63 December 2021

Feature Article
Towards Promotion of Steel-structure Construction of Public Buildings
・Steel Supports the Future Construction of Public Buildings
・Optimized Use of Features Peculiar to Steel Structures
・Trial Design and Cost Comparison of Steel-structure School Building
・Verification of Habitability of Steel-structure Buildings
・Outstanding Examples in Public Building Construction Employing Steel Structures
A serial article on the latest design of steel buildings in Japan (6)
・Shibuya Station on the Tokyo Metro Ginza Line
Column-free Subway Station Building Constructed by the Use of 45 Continuously-arranged M-shaped Steel Arches

　　No.62 August 2021

Feature Article: Initiatives for Building Resilient Foundation Structures
・Application of the Partial Factor Design Method for Foundations in the Japanese Specifications for Highway Bridges
・Revision of Recommendations for Design of Building Foundations and Establishment of Secondary Design Method for Steel Pipe Piles
・Development of Seismic Retrofitting Technology for Existing Bridge Abutment Foundations Using Large-scale Shaking Table Test
・Reformation Design of Existing Port and Harbor Steel Structures・ｾEffect of Modeling in Numerical Analysis of Seismic Response
・Performance of Steel Sheet Piles for the Stability of River Embankments under Earthquakes
Special Topic: Building a Society Resilient to Natural Disasters
・Towards the Realization of Resilience Innovation for 2035

　　No.61 April 2021

Special issue Japanese Society of Steel Construction
Feature Article: Natural Disasters・ｾRestoration and Countermeasures
・Airport Access Bridge　・Long-period Pulse-type Earthquakes　・Railway Facilities　・Emergency Bridge
JSSC Commendations for Outstanding Achievements in 2020
・Outstanding Achievements Awards: Aichi International Exhibition Hall; The Okura Tokyo; DaiyaGate Ikebukuro
Thesis Awards: Elasto-Plastic Analytical Program with Generalized Plastic Hinge for Steel Square Tube Columns with Local Buckling; Mechanical Properties of Steels for Bridge High Performance Structures Subjected to Heating and Cooling Processes Simulating Fire; Plastic Deformation Capacity of Pre-assembled Type Built-up H-shaped Beam by Submerged Arc Welding; A Series of Studies on Repairs to Low-rise Braced Structures after Disaster
Other Major Topics
・Special Article on Stainless Steel: Fukuoka Lawyer’s Hall
・JSSC events: IABSE Online Conference; Program to Foster Steel Construction Engineers
・Message from JSSC International Committee Chairman

　　No.60 December 2020

Feature Article: Fire Resistant Design of Steel Structures
Membrane Actions of Reinforced Concrete Floor Slabs Exposed to Fire
・Part 1: Application to Fire Resistant Design of Steel Structures
・Part 2: Load-bearing Fire Tests for Composite Flooring Systems
・Part 3: Numerical Analysis of Load-bearing Fire Tests for Composite Flooring Systems
・Part 4: Fire Resistant Design of Steel Structures in Japan and Future Development
A serial article on the latest design of steel buildings in Japan (5)
・Mikiyama Park Gymnasium・ｾSharply-designed Steel Truss Framing Lightly Floats Up into a Large Arena Space