Admixture/ Cement Aggregate Admixture/Special concrete Admixture/ Natural healing & Self-healing Strength & Mechanical property Strength & Mechanical property/Property general Shrinkage & Creep Property general Construction Construction/Fresh concrete Durability Water Penetration/Carbonation Chloride attack Chloride attack/Combined deterioration Frost damage Alkali Silica Reaction/Delayed Ettringite Formation Chemical Attack/Fire resistance Corrosion & Corrosion prevention Fresh concrete High‐flowable concrete/Precast Concrete (Material aspect) High‐flowable concrete/Light weight concrete (material) High‐strength concrete (material)/Mass concrete/Pavement Fiber Reinforced Concrete (Material aspect) Polymer-cement concrete/Repair & Strengthening (material) Recycled concrete/Recycle New material & Construction (material)/Geopolymer・Alkali-activated materials Geopolymer・Alkali-activated materials Sustainable Concrete (Material aspect) Sustainable Concrete (Material aspect)/Sustainability (environmental) Non-destructive Test・Diagnosis (Steel corrosion)/Non-destructive Test・Diagnosis (Material properties/Durability) Non-destructive Test・Diagnosis (Material properties/Durability) Non-destructive Test・Diagnosis (Damage/Defect) Repair & Strengthening (material) 3D printing 3D printing/ New material & Construction (material)

Structural design & Design method Structural analysis Structural analysis/Constitutive equation/Framed structure Fatigue & Impact/Fracture mechanics Seismic performance evaluation Structural Health Monitoring/Damage Assessment Seismic retrofit Repair & Strengthening (structural) Repair & Strengthening (structural)/Renewal・Conversion Column Beam Beam/Columnbeam connection Columnbeam connection Shear wall Foundation Slab/Prestressed concrete Precast Concrete (Structural aspect) Precast Concrete (Structural aspect)/Highstrength concrete (structural) Composite & Mixed structure Fiber Reinforced Concrete (Structural aspect) Bond, Anchorage & Joint Shear & Torsion Seismic general/Earthquake damage Assessment of Existing and Deteriorated Structure/New material & Construction (structural) Maintenance & Life cycle