Blasting construction is employed on Yuxi diversion works 2# branch cave construction.Blasting seismic wave may damage or affect electricity generating feed canal that lies above 2# branch cave.

• 摘要玉溪引水工程2%23施工支洞施工中需采用爆破施工，爆破地震波可能对位于其上方的发电引水渠道产生损伤或影响。