The vibration effect induced by current acting on suspended submarine pipeline is analyzed.
着重分析了海底(悬空)管道在水流作用时诱发的振动效应。
This paper discusses some problems regarding the on-position stability of submarine pipeline.
当海床开沟埋设困难或不经济时，管道被裸置于海底。
The control of vortex vibration of submarine pipeline is very important in the design of submarine pipeline.
海底管道涡激振动控制是管道设计中的重要问题。
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。
At present, the domestic production lines for concrete weight coating of submarine pipeline are basically imported.
目前，国内管道混凝土配重涂敷厂的生产装备基本为国外进口。
Seepage failures of the foundations for sheet-pile and submarine pipeline are typical issues in the hydraulic engineering.
隔水板桩和海底管道地基土体的渗透破坏是两个典型的工程失效问题。
The magnitude and the direction of wave pressure on submarine pipeline in silty bed are measured in physical model experiment.
利用物理模型试验，测量粉土海床海底管道所受波压的大小和方向。
The liquefaction of seabed under seismic load is one of the main reasons that govern the global stability of submarine pipeline.
地震荷载作用下海床液化是海底管线失稳的主要原因之一。
A full automatic multi-channel ultrasonic detecting system has been developed to control the laying quality of submarine pipeline.
研制了用于海底管道铺设质量检验的多通道全自动超声波检验系统。
By considering the geometrical nonlinearity, a new method for the nonlinear random vibration of a free spanning submarine pipeline is presented.
考虑海底悬跨管道的几何非线性特征，建立了悬跨管道非线性随机振动响应分析方法。
Submarine pipeline is one of the most important, quick, economical and reliable manner for offshore oil and gas transportation, which is widely used nowadays.
海底管道是海上油气运输中最主要的，也是最快捷、经济、可靠的方式。
The results show that in line vibration can not bring serious danger to submarine pipeline system in most cases, while cross flow vibration must be eliminated.
其结果表明，管跨的同向涡激振动一般不会对管线系统的正常运行构成威胁，而管跨的横向共振则必须予以消除。
Taking Chengdao Oil Field as an example, the methods for calculating the shutdown time, temperature dropping and restart pressure of submarine pipeline are introduced.
以埕岛油田为例 ，介绍海底管线停输时间及再启动压力的计算方法。
In ocean engineering the normal operation and the structural safety of the submarine pipelines are related with the pipeline hydrodynamic forces and on-bottom stability.
对海底管道这样的海洋工程，为保证其正常运行和结构生存期的安全，是直接与海底管道所受的水动力及其在位稳定性密切相关的。
Failure of submarine pipeline will inevitably lead to financial losses and adverse environmental problems, so people pay more and more attentions on the pipeline securities.
由于海洋环境复杂多变和人类海上活动日益频繁，海底管道的破坏屡有发生，海底管道的安全性受到人们的重视。
Based on signal detection theory, the real-time leakage detection problem of submarine pipeline was discussed, by means of the observed series of mass flow difference of pipe.
针对海底管道泄漏监测问题，基于信号检测原理分析了受噪声干扰的流量差观测序列。
Under given crack dimensions and load condition, to appraise to cracks defects with fracture appraisal program and obtained submarine pipeline failure appraisal diagram (FAD).
在给定裂纹尺寸与载荷条件下，利用断裂评定程序对一裂纹缺陷进行了评定，得到了海底管线失效评定曲线(FAD图)。
The purpose of conducting periodical pipeline coating inspection over submarine pipelines is to ensure its safe operation and prevent oceanic environment pollution due to leakage.
海底管道检测的目的是通过定期和特殊的检测，保证管道安全运行，防止油气泄漏，保护海洋环境。
AUT has the characters of high efficiency and low costs of testing, which can meet the requirement of time limitation and quality control of welding seam in constructing submarine pipeline.
自动超声波检测技术具有检测效率高和成本低的特点，满足了海底管线铺设时效性要求和焊缝质量控制要求。
The successful application of this system in Dongliangang offshore pipeline project has proved that the system can improve the inspecting speed and accuracy to the girth welds of submarine pipeline.
东联港海底管道项目应用结果表明，该系统可提高海底管道焊缝质量的检验速度和检验精度。
The total scheme of diamond wire saw that can cut off the submarine oil pipeline in dry cabin was established and the main assemblies were designed.
确定了可在海底干式仓内切割输油管道的金刚石绳锯机的总体方案，并对主要部件进行了设计计算。
Researches on constitutive relation for reinforced layers of submarine oil pipeline.
海底输油软管增强层本构关系研究。
The grade X65 pipeline steel used for LSAW submarine line pipe has been developed at Baosteel, which is produced by hot continuum rolling processing.
宝钢开发以热连轧方式生产用于制造直缝埋弧焊管的海底管线用x 65级管线钢板，其产品具有高强度、高韧性和良好的焊接性等综合性能。
At the real ocean circumstance, the vibration of submarine suspended pipeline trends a new characteristic because of the function of ocean current and interior liquid transported.
在实际海洋环境中，海底悬空管道的振动受到海洋流体及内部输送流体的作用而具有新的特点。
At the real ocean circumstance, the vibration of submarine suspended pipeline trends a new characteristic because of the function of ocean current and interior liquid transported.
在实际海洋环境中，海底悬空管道的振动受到海洋流体及内部输送流体的作用而具有新的特点。
应用推荐