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长输管线整体下沟技术研究

DOI: 10.6052/1000-0879-11-331, PP. 36-40

Keywords: 长输管线,整体下沟,力学分析

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Abstract:

长输管线整体下沟技术是施工难点之一.通过模拟大变形时的挠度曲线,建立力学计算模型,对管线下沟各阶段不同状态下的应力和变形进行分析,找出最不利的受力状态,得出吊点间距、起吊高度等指导施工的关键控制参数,并成功用于实践.分析的结果可供矿浆管道、油气管道等长输管线整体下沟参考.

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