某船支柱墊板與甲板連接焊縫產(chǎn)生裂紋的原因分析

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摘    要：本文對某型船甲板支柱墊板與甲板焊縫開裂現(xiàn)象，從焊接接頭破壞機理進行計算分析，確定其開裂原因并提出修復(fù)方案及優(yōu)化意見，對類似工程施工具有借鑒作用。

關(guān)鍵詞：疲勞斷裂；焊接接頭；焊縫缺陷；性能評估

中圖分類號：U671.8                                  文獻標識碼：A

Analysis of the Weld Cracks in the Connection between

Support Plant and  Deck of a Ship

ZHU Jiawei

（ Third Military Representative Office of Navy in Guangzhou，  Guangzhou 511462 ）

Abstract： In this paper，the cracking phenomenon of the weld between the strut pad and the deck of a certain type of ship is used.The failure mechanism of welded joints is calculated and analyzed， which determines the cause of cracking and proposes the repair plans and optimization suggestions. It has guiding significance and reference for the construction of similar projects.

Key words： fatigue breakage;  weld joints;  weld defects;  performance evaluation

1     前言

某型船在使用過程中出現(xiàn)甲板支柱墊板與甲板連接焊縫開裂現(xiàn)象，對船舶使用帶來較大的安全隱患。（剩余4156字）