Highrise Reinforced Concrete Structures




Preface

Reinforced concrete (RC) as construction material has been used for a wide range of building structures throughout the world, owing to its advantages such as versatile architecture application, low construction cost, excellent durability and easy maintenance. However, its use in seismic countries and areas in the world has been limited to lowrise or mediumrise buildings, considering in-

herent lack of structural safety against earthquakes. In the last several decades, highrise RC buildings finally emerged in Japan, under the increased social need of more advanced types of RC buildings. Such a new type of structures was developed with the tremendous technical efforts for new high strength material,

new design method, and new construction method, backed up by vast amount of research accomplishment.


A five year national research project, entitled "Development of Advanced Reinforced Concrete Buildings using High Strength Concrete and Reinforcement", was conducted in 1988-1993 by the coalition of many research organizations in Japan with the Building Research Institute of the Ministry of Construction as the central key organization. The major incentive of this national research project was to further promote construction of highrise RC buildings as well as other advanced types of RC structures, by providing new high strength material and new design and construction methods suitable for such material. This national research project was simply referred to "the New RC" project.


Now it is more than five years since the conclusion of the New RC project. It is quite clear that the project was successful and effective in finding numerous applications in the practical design and construction of advanced RC struc-

tures. This book was written as an effort to disseminate major findings of the project so as to help develop modern RC buildings in seismic countries and areas in the world. It consists of the following nine chapters.



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