跨渠超高压供电线路下的石方爆破

Rock Blasting Under the EHV Power Supply Line

采用中深孔控制爆破技术,并在其临空面加盖防护措施,按照水利水电施工技术规范及石方爆破施工技术规范进行控制,从而确保南水北调中线京石段应急供水工程渠道开挖过程中在渠道上方的高压线及两侧铁塔的施工安全。

Longhole controlled blasting techniques were applied and the coverage protective measures were taken during construction in accordance with technical specifications for water conservancy ＆ hydropower and rock blasting, thus to ensure safety of the EHV power supply line and related towers in the emergency water supply channel of the Beijing-Shijiazhuang section excavation works