Kou kouzou rombunshuu
Online ISSN : 1884-0329
Print ISSN : 1880-9928
ISSN-L : 1880-9928
A Study on Cutting Behavior of Steel Plates in Blasting Demolition of Steel Structural Buildings
Masatoshi KATOYuji NAKAMURAAkira MATSUOYuji OGATAKunihisa KATSUYAMAKiyoshi HASHIZUME
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1999 Volume 6 Issue 24 Pages 31-38

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Abstract

On the demolition works of steel buildings which reach their durable period, the blasting demolition method might be very effective. In order to control the demolition of steel buildings safely and surely, it is necessary that the minimum amount of high explosives can be estimated. Therefore, as the basic study which probes the impact fracture mechanisms of steel plates with shaped charges, we prepared the shaped charges, whose design parameters are materials of liners and amount of high explosive, and obtained the control of notch depth of steel plates through many experiments. And we carried out the Metallurgical analysis for grasping dynamic effects on steel plates against impact force.

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© Japanese Society of Steel Construction
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