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本文通过大量的试验,对压力钢管焊接接头的质量评定表明:在高海拔、低气压、低温和严重缺氧的条件下,羊湖水电站采用焊接压力钢管的方案是科学的、经济的。
Through a large number of tests, the quality evaluation of the welded joints of the penstocks shows that the scheme of using the penstocks to weld the penstock is scientific and economical under the condition of high altitude, low pressure, low temperature and severe oxygen deficiency.