钢骨架无铰拱桥的爆破切割拆除

Explosion Cutting Demolition of Suspension Type Steel Framework Arch Bridge Without Hinge

介绍了利用爆破切割拆除钢骨架公路桥的实施过程。该桥结构复杂,规格不等的角钢、罗纹钢筋密布,为国内不多见的悬链式变截面(箱式)钢骨架无铰拱桥。用通常的爆破拆除方法难以拆除,而利用爆破切割技术进行爆破拆除,亦能达到准确、高效、安全、可靠的控制爆破拆除之目的。

This paper deals with the way of exploding and cutting the suspended structure with steel framework and its demolition process .The bridge is in a complex structure of changeable section. It is hard to demolish by using usual methods. However it is easier to demolish by the explosion cutting in the present work. The method is accurate, effect and safe.