The "SHIMIZU Reverse Construction De molition Method," developed by Shimizu Corporation, is an approach that can great ly mitigate the environmental effect of de molition work of high-rise steel structure buildings. It allows highly reliable, econom ical demolition work that capitalizes on tow er cranes and other general-purpose machin ery (Photo 1) In the SHIMIZU Reverse Construction De molition Method, crushing and breaking of structural members are done without conven tional crushers, and on every floor, not on ly are the columns, girders and other steel-frame members gas-cut, but the floor slabs are cut using road cutters (Photos 2 and 3).
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