Vortex induced vibration of submarine pipeline span is the major factor of resonance invalidation of pipeline.
管跨结构的涡激振动分析是海底管线疲劳分析和安全评价的重要环节。
Vortex induced vibration of submarine pipeline span is the major factor of resonance invalidation of pipeline.
海底管跨的涡激振动是引发管跨共振失效的主要因素。
Maximum length of field pipeline span is related to the factors such as the strength of pipes and joint adapters, and the allowable pack Angle, etc.
机动管线最大悬空长度与管子和连接器的强度，以及允许的最大折转角等因素有关系。
The partition insertion in the process makes the polyethylene lining span inevitably, inside the pipeline, some gaps at host pipe joints.
穿插施工的分段作业使得聚乙烯内衬不可避免地要从管内跨越若干管道缝隙。
The seabed terrain, sand wave migration and the growth of regional erosion ditch create subsea pipeline suspended span.
沙波沙脊区海底管线悬跨的产生，主要是海底地形、沙波的移动和区域性冲沟的发育所造成的。
The influencing factors such as seismic wave direction, support conditions at pipeline ends, distance from the seabed, span and pipes with or without water inside were considered in the experiment.
试验中考虑了地震波输入方向、管道端部支撑情况、悬跨高度、悬跨长度和管内是否有水等因素。
This is the Zhongyuan Oilfield in recent years, the maximum span of the construction of gas pipeline project, a pipeline project, but also that the first swing truss bridge tower.
这是中原油田近年来承建输气管道工程跨径最大的一项管道铺设项目，同时也是国内第一个摇摆塔式桁架桥。
Based on ANSYS which is finite element software, the stress state of oil pipeline, which is simulated and analyzed the ultimate span.
通过有限元软件ANSYS对石油管道的受力状态进行模拟分析，得出管道的极限跨度。
The linear and the nonlinear seismic response analyses of long-span cable-stayed pipeline bridge are discussed with this method.
利用该方法对大跨度斜拉管线桥进行了线性和非线性地震响应分析。
With its beautiful appearance, long span, good economic indicators, the advantages of mature design and construction, suspension bridge has been widely adopted for oil and gas pipeline bridge.
悬索桥结构以其外形美观、跨越能力强、经济指标良好和设计施工成熟等优点，在国内外油气管道桥建设中被大量采用。
The welding-repaired pipelines are identified as two types of a single hole drilled on pipeline and several holes drilled in short span.
将打孔管道的焊接修复结构区分为单开孔和密集开孔两种类型。
The welding-repaired pipelines are identified as two types of a single hole drilled on pipeline and several holes drilled in short span.
将打孔管道的焊接修复结构区分为单开孔和密集开孔两种类型。
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