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Welcome to the Home Page of Concrete Lab, Yokohama National University.
You can find information on our activities.
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    Summer Lab Trip (Akkagawa PC Truss Bridge, Aug. 2008)


Staffs of Hybrid Structure Lab

Professor Tatsuya TSUBAKI tsubaki*@*ynu.ac.jp
(remove *)
Civil Engineering (Concrete Structures)
Associate Professor Akira HOSODA concrete*@*ynu.ac.jp
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・Concrete Engineering
・Maintenance Engineering
・Civil Engineering Materials
Research Associate Kazuhiko HAYASHI hayashi*@*ynu.ac.jp
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Concrete Structures



Researches in Hybrid Structure Lab

TSUBAKI Lab
under construction


HOSODA Lab (Soon, Power Point File will be prepared for each topic)
(1) Crack Resistance of Blast-furnace Slag Concrete subjected to High Temperature History and Improving Methods
(2)
Self-Healing Concrete, Self-Sealing Concrete
(joint research with JR-EAST, Kishi Lab of University of Tokyo)
(3) Improvement of Qualities of Concrete in Very Early Age by
Small amount of Synthetic Short Fiber
(4) Surface Treatment of Concrete (
Water Barrier Penetrants) for High Durability (joint research with JR-EAST)
(5) Effect of Shrinkage on Crack Width
(6) Inspection System of Cover Concrete
(7) Structural Performance of RC Deep Beem with
Deteriorated Anchorage
(8) Utilization of Recycled Aggregates
(9) Mechanical Behavior of Expansive Concrete (especially in Tension)

Staff Key Words of Research 
 Tatsuya Tsubaki under construction
 Akira Hosoda Concrete, Crack, Actual Structures, Durability, Maintenance, Short Fiber, Plastic Shrinkage Crack, Expansive Additive, Slag Cement, Granurated Blast-furnace Slag, Aggregate, Crashed Stone, Slag Aggregate, Load on Environment, Deformability, Self-Healing, Self-Sealing, Seismic Retrofit, Shear, Deteriorated Ancharage, Deep Beam, Water Barrier Penetrant, Surface Quality, Permeability, Recycle 
  Kazuhiko Hayashi  under construction