ACTIVITIES OF JAPAN CONCRETE INSTITUTE AND
INTRODUCTION OF "CRACK GUIDELINE -2009-"
35th Our World in Concrete and Structures (OWICs) - 2010
Otsuki*, Tokyo Institute of Technology (Director, JCI), Japan
(Key words of the Paper)
Japan Concrete Institute (JCI) was established in 1965 in Japan. JCI is a nonprofit
corporate body under the jurisdiction of Ministry of Land, Infrastructure, Transport
JCI has the purpose of carrying out investigations and researches on concrete,
reinforced concrete, and other types of concrete, various materials and equipment
related to concrete.
In addition, JCI raises the performance of concrete engineers by certification
systems using knowledge resource on concrete.
Currently, JCI member is approx. 8000, their cooperation and mutual undertaking
raise the quality of concrete and open new possibilities.
The activities are as followed;
1. Study and Research Activities
2. Publications of Journal and Proceedings
3. Academic Lectures, Symposium and Workshop
5. Certification Systems
6. International Cooperation and Exchange
The activities are extended worldwide not only Japan. In the keynote lecture, the
activities will be introduced.
One of the activities related to 2 and 3, "Practical Guideline for Investigation, Repair
and Strengthening of Cracked Concrete Structures" will be introduced in detail. This
Guideline covers the practicable investigations of cracked concrete members or
structures, cause estimation, evaluation, judgment of the necessity of repair or
strengthening, selection of the most effective repair and strengthening method, and
the case studies. Especially interesting repair and strengthening methods will be