桥梁水下基础施工防水方法较多，当施工钻孔桩或扩大基础时，可以不用钢板桩围堰，而代之以轻便得多的钢套箱。
During constructing the bored plies or enlarging the foundations, the lighter and more convenient steel jacket box may be used instead of using the steel sheet pile as the cofferdam.
介绍了在三峡工程原位开展高土石围堰水下爆炸压实技术研究的模型试验情况。
This paper introduces the in situ model test results on the technology for the TGPs soil rock cofferdam compacted by underwater blasting.
利用水下控制爆破方法拆除了大源渡河中的混凝土纵向围堰。
A longitudinal concrete cofferdam was demolished by way of underwater controlled blasting.
介绍了充水条件下(30 +15)万吨级船坞围堰水下爆破网路的设计、施工与防护技术。
The paper introduced the design, construction and protection technology for blasting network of (30 + 15) ton dock cofferdam under water-filled condition.
本文对导流隧洞进口围堰堰外引渠水下爆破方案的有关参数和震动监测等进行描述。
The paper described the relational parameters and vibration test of the underwater blasting of guide ditch ahead of water conveyance tunnel.
本文对导流隧洞进口围堰堰外引渠水下爆破方案的有关参数和震动监测等进行描述。
The paper described the relational parameters and vibration test of the underwater blasting of guide ditch ahead of water conveyance tunnel.
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