工程爆破

2013, v.19(06) 50-52+56

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复杂环境内河航道疏浚水下控制爆破
UNDERWATER CONTROLLED BLASTING OF DREDGING INLAND WATERWAY IN COMPLICATED SURROUNDING

汪竹平;张道振;徐棅杨;张有泽;
WANG Zhu-ping;ZHANG Dao-zhen;XU Bing-yang;ZHANG You-ze;Zhejiang Gao-neng Blasting Engineering Co.,Ltd.;Zhejiang Min-neng Blasting Engineering Consultation Co.,Ltd.;

摘要(Abstract):

以一起内河航道扩建工程为例,针对水下爆破的爆破振动、飞石和飞溅水柱对环境影响工况,采取选用拟合K、a值指导施工、保证合理的填塞长度和设置隔离式防护等有效措施,爆破有害效应控制在安全允许范围之内,爆破达到设计标高,无浅点。探讨了复杂环境下内河航道疏浚水下爆破有害效应控制措施的可行性,供类似工程参考。
Taking aproject of dredging inland waterway as example,and in view of the influence on en- vironment caused by blasting vibration,fly rock and splashing water of underwater blasting,some effec- tive measures to control adverse effects were taken such as fitting values of K、ato guide the construction,ensuring a reasonable filling length and setting up isolated protection and so on.Adverse effects were con- trolled within the safety permission and design elevation was attained with no patch shallow.Finally the feasibility of control measures for adverse blasting effects of dredging inland waterway in complicated sur- rounding environment was discussed,which could provide a reference for similar project in the future.

关键词(KeyWords): 内河航道;水下爆破;有害效应;控制措施
Inland waterway;Underwater blasting;Adverse effect;Control measures

Abstract:

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作者(Author): 汪竹平;张道振;徐棅杨;张有泽;
WANG Zhu-ping;ZHANG Dao-zhen;XU Bing-yang;ZHANG You-ze;Zhejiang Gao-neng Blasting Engineering Co.,Ltd.;Zhejiang Min-neng Blasting Engineering Consultation Co.,Ltd.;

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