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水利电力部机碱修造局、山东省电力工业局于1988年6月12日～13日在山东省新纹对山东省电力线路器材厂研制的φ800×5000mm 内衬式预应力钢筒混凝土管组织了鉴定,来自全国19个单位的34名专家代表参加了鉴定会,代表们认为预应力钢筒混凝土管具有抗渗性能高、承载能力强、防腐性能好、不污染水质、节约钢材、使用寿命长等特点。
The φ800×5000mm lining type prestressed steel tube concrete pipe organization developed by Shandong Institute of Electric Power Industry and the Bureau of Electric Power Industry of Shandong Province on June 12th to 13th, 1988 in Shandong Province New Line for Shandong Power Line Equipment Factory According to the appraisal, 34 expert representatives from 19 units across the country participated in the appraisal meeting. The delegates considered that the prestressed steel tube concrete pipe has high impermeability, strong bearing capacity, good corrosion resistance, no pollution of water quality, steel saving, and long service life. Long and so on.