Remark: the use of such ring and its notice shall refer to the state standard GB5974.1-86, and special production is to be given to super large ring.
注：此套环有关使用要求与注意事项请参考国家标准GB5974.1- 86规定，超大型套环给予特殊制作。
Remark: the use of such ring and its notice shall refer to the state standard GB5974.2-86, and special production is to be given to super large ring.
注：此套环有关使用要求与注意事项请参考国家标准GB5974.2- 86规定，超大型套环给予特殊制作。
Based on the elastic theory, the establishment of super-long tubes of ring pre-stress was studied.
基于弹性理论，对超长筒体结构中环向预应力的建立与分布进行了研究。
The full-scale full-ring lining structure test has been carried out in China, but the full-scale segment joint experiment of super tunnel lining was conducted first time.
国内超大隧道衬砌管片试验已进行过整环试验，文中介绍的超大隧道衬砌管片接头足尺试验在国内尚属首次。
The full-scale full-ring lining structure test has been carried out in China, but the full-scale segment joint experiment of super tunnel lining was conducted first time.
国内超大隧道衬砌管片试验已进行过整环试验，文中介绍的超大隧道衬砌管片接头足尺试验在国内尚属首次。
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