拱桥拆除爆破技术BLASTING TECHNOLOGY OF DEMOLITION OF ARCH BRIDGE
李宗文;李绍衡;
LI Zong-wen,LI Shao-heng(First Engineering Department of Guangxi Road and Bridge Cooperation,Nanning 530011,China)
摘要(Abstract):
介绍了桂林旧解放桥的拆除爆破,该桥为5孔36m的双曲拱桥。根据双曲拱桥的特点,在拆除爆破过程中所采取的炮孔布置、起爆网路设计、爆破安全防护措施等技术,为旧桥的拆除爆破积累了成功的经验。
This paper introduces the blasting demolition of the old Jiefang bridge in Guilin.The old Jiefang bridge is a five-span double arch bridge with a length of thirty six meters.The employed borehole layout,detonating network design and measurements of security protection in the blasting demolition based on the characteristic of double arch bridge are of reference value to the demolition of old bridge in future.
关键词(KeyWords):
拱桥;拆除;爆破
Arch bridge;Demolition;Blasting
基金项目(Foundation):
作者(Authors):
李宗文;李绍衡;
LI Zong-wen,LI Shao-heng(First Engineering Department of Guangxi Road and Bridge Cooperation,Nanning 530011,China)