钢管拱桥下临时桥墩的控制爆破拆除

Demolition of Provisional Bridge Pier of Steel-tube Arch Bridge by Controlled Blasting

论述了高标号钢筋混凝土钢管拱桥临时桥墩的控制爆破拆除方法、爆破参数的选择和防护措施。所取得的成功经验及技术参数可供相似爆破拆除的工程参考。

The demolition method , selection of blasting parameters and defending measures in controlled blasting of provisional high-grade reinforced concrete bridge pier of steel-tube arch bridge are discussed. The experience and the technological parameters can be as references for the similar projects of controlled blasting.