摘要
根据峡山水电站水文气象条件和工程的实际情况,施工采用分期导流方式,通过对不同缩窄河床断面的分段导流方案的技术、经济比选,最终导流方案:第一个枯水期围堰先围右侧8孔半溢流堰、右岸厂房及右岸非溢流坝,由左侧束窄后的河床导流;第二个枯水期围堰围左侧8孔半溢流堰、船闸及左岸非溢流坝段,此时由右侧已建的8孔溢流堰导流。实施结果表明:该导流方案技术可靠,有效地降低了施工成本和施工难度。
Xiashan Hydropower Station is situated at a location with narrowing riverbed. According to this actuality as well as hydrological and meteorological conditions, staged construction diversion was designed. Based on comparison in respects of technical and economical indexes, the diversion scheme was determined with the first dry-pe- riod coffer dam covering the right-side 8.5 spillways, powerhouse and right non-overflow dam segment, while the narrowed riverbed acting as diversion way; the second dry-period coffer dam covering the left-side 8.5 spillways, shiplock and left non-overflow dam segment, while the constructed right-side spillways shouldering water diversion. The results of practice demonstrate this diversion design is reliable, effectively renders less construction cost and difficulties.
出处
《广西水利水电》
2013年第2期32-35,共4页
Guangxi Water Resources & Hydropower Engineering
关键词
峡山水电站
施工
导流方式
围堰
设计
Xiashan Hydropower Station
construction
diversion method
coffer dam
design
