刘增利   

Senior Engineer
Supervisor of Master's Candidates

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Paper Publications

Title of Paper:某事故煤气管道弯头断裂原因分析

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Date of Publication:2011-03-10

Journal:工业安全与环保

Included Journals:PKU

Volume:37

Issue:3

Page Number:61-63

ISSN No.:1001-425X

Key Words:煤气管道;断裂;应力腐蚀

Abstract:结合实际事故及发生环境,采用模拟试验及计算推断出煤气管道弯头断裂的原因,结果表明,后建阳台、组装应力和汽车荷载不是均导致弯头断裂的主要因素,弯头断裂是拉应力所致,属于外界腐蚀环境和管道内压共同作用的应力腐蚀断裂破坏.因此,煤气管道在施工过程中应密切关注土层环境对管道的腐蚀作用,作好防腐处理.

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