提高人字闸门焊接接头疲劳强度的探讨  

Investigation and Discussion on Improving Fatigue Strength of Welded Joint of Miter Gate

作　　者：朱国纲[1] 卞兆盛 ZHU Guo－ gang1, BIAN Zhao－ sheng2(1. Quality Inspection Centre for Hydraulic Metal Structure under the Ministry of Water Resources, Zhengzhou 450006， China; 2. Changjiang Three－ Gorges Navigation Administration Bureau, Yichang, 443133， China)

机构地区：[1]水利部水工金属结构质检中心,河南郑州 [2]长江三峡通航管理局,湖北宜昌

出　　处：《水运工程》2000年第9期40-42,共3页Port & Waterway Engineering

摘　　要：高水头的人字闸门，在运行中出现焊接接头早期疲劳裂纹的现象应引起重视。文章从选材、结构设计、焊接设计和焊接施工等方面提出了一些提高焊接接头疲劳强度的建议。Attentions shall be paid to the phenomenon that there appeared earlier－ stage fatigue crack at welded joint of miter gate with large water head during operation. Some suggestions on improving the fatigue strength of welded joint from the aspects of material selection, structural design, welding design and welding construction, etc.

关 键 词：人字闸门 焊接接头 疲劳强度 离水头船闸 

分 类 号：U641.331[交通运输工程—船舶及航道工程;交通运输工程—船舶与海洋工程]