药室爆破拆除工字型钢筋混凝土立柱大车间

CHAMBER EXPLOSION TO DEMOLISH THE I-SHAPED REINFORCED CONCRETE PILLARS IN A SPACIONS WORKSHOP

工字型立柱由于其腹板和翼缘很薄，加上特殊的布筋方式，很难进行常规的凿眼爆破、本文介绍该类厂房拆除爆破的一种新的尝试──药室爆破。着重介绍药室的获得、药室的最佳位置、药室药量的计算公式。成功地爆破拆除了１５００平方米的工型立柱大车间。

t is rather difficult to demolish the I-shaped pillals because of them thin webs and flanbs as well as thin special arrangement of steel bars.The present article deals with a new method chamber explosion to pull down the factory building,It emphasizes the procuration,the best location and the calculation formula for the quantity of powder to the used,of the chamber.The I-shaped pillars in the lboo sq.m.workshop was successfully blown up.