工程爆破

2001, (02) 34-38+44

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台儿庄老公路桥的局部控制爆破拆除
PARTIAL DEMOLITION OF THE OLD TAIERZHUANG HIGHWAY BRIDGE BY CONTROLLED BLASTING

董正才,叶晓华,王辛
DONG Zheng cai,YE Xiao hua,WANG Xin (Command Institute of Engineering Corps,PLA,Xuzhou,Jiangsu 221004,China)

摘要(Abstract):

采用爆破垮塌分离上部结构 ,松动爆破桥墩、台身 ,拔除根基的施工顺序 ,对山东省枣庄市台儿庄京杭运河上老公路桥进行了局部控制爆破拆除。对上部结构、桥墩和桥台帽的爆破采用药孔法 ,对桥台身及其基础承台采用药壶法。此次爆破的施工顺序较为恰当 ,爆破方法较为灵活 ,爆破参数选取符合目标实际 ,爆破效果较为理想。该工程的实际经验对类似桥梁的爆破拆除具有参考价值。
In the sequence of firstly separating the upper structure, secondly loosing the bridge pier and finally removing the foundation,the old Taierzhuang highway bridge was partially demolished by controlled blasting The pier and the abutment head were demolished by the blasting method of charged holes,and the others by use of springing blasting Because of proper constructing sequence,flexible blasting methods and reasonable blasting parameters,an idea blasting result had been gotten The experience from this project is valuable for blasting demolition of similar bridges

关键词(KeyWords): 控制爆破;桥梁拆除;药壶爆破;抬炮
Controlled blasting; Bridge demolition; Springing blasting; Uplift blasting

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作者(Author): 董正才,叶晓华,王辛
DONG Zheng cai,YE Xiao hua,WANG Xin (Command Institute of Engineering Corps,PLA,Xuzhou,Jiangsu 221004,China)

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