摘要
为了选择合适的高水头引水式电站压力管道形式,采用规范推荐的解析方法设计地面明钢管和钢衬钢筋混凝土管,结合实际工程对二者进行有限元分析。结果表明:相比明钢管方案,采用钢衬钢筋混凝土管可以减少使用厚钢板和高强钢,节省投资;避免钢管卷板、焊接方面的困难以及复杂的伸缩节和支墩制造、安装和维护工艺;可根据具体情况选择边坡是否支护或管道回填,降低可能出现的山体滑坡等自然灾害的威胁程度。
A suitable type of penstock should be selected for high-head hydropower station with diversion penstock. In this sense,it is proposed the analytic method and finite element method to design exposed steel penstock and steel lined reinforced concrete penstock,referring to relevant specifications. Results show that thicker or high-carbon steel plates could be decreased for steel lined reinforced concrete penstock compared with exposed steel penstock,which can lower the costs and avoid difficulties in rolling and welding. Additionally,the expansion joints and supports are not required,as well as complex installation and maintenance technology. Besides,due to the particular case around the steel pipe,slope support and pipeline backfill can be an alternative. Thus,the penstock will not be greatly affected by landslides and other similar natural hazards.
出处
《水利水电科技进展》
CSCD
北大核心
2015年第2期52-56,84,共6页
Advances in Science and Technology of Water Resources
关键词
水电站
高水头
明钢管
钢衬钢筋混凝土管
镇墩
支墩
结构选型
hydropower station
high head
exposed steel penstock
steel lined reinforced concrete penstock
anchorage block
buttress anchorage
structure selection
