application of full face blasting without leaving protective covering in the construction of dam foundation
不留保护层全断面预裂爆破在坝基开挖中的运用
The full-face tunnelling of the excavation of prestressed anchor pile holes at No. 2 Luzhou Yangtze River Bridge can be realized by the controlled blasting technique.
在泸州长江二桥预应力锚固桩孔开挖工程中采用控制爆破技术进行全断面掘进。
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