ABSTRACT
This paper gives matter to be considered i n future blasting demolition in Japan FOR foreign companies and engineers who operate blasting demolition in order to promote demolition by blasting i n Japan. The contents of the paper are : (a)The reason why urban blasting demolition has not been progressed i n Japan. (b)Th e historical stages of today and a brief outline of progress of blasting demolition techniques. (c)Recent technical development o f blasting demolition techniques by the government and blasting, explosives manufacturing and construction industries, (d)Som e proposals for the development o f blasting demolition techniques, etc.. key word : Blasting, Concrete Construction, Demolition, Explosives, History,
1 Introductio n
It is commonly said that the first dynamites were imported from Nobel's company, UK in 1879. I t was four years after the invention of gelatine dynamite by Alfred Nobel. In the next year, 1890,dynamite was used for civil works and mining blasting. Since then, explosives has often been used for blasting works mentioned abov e and scarcely for demolition.
