7、The magnitude and the direction of wave pressure on submarine pipeline in silty bed are measured in physical model experiment.
11、The liquefaction of seabed under seismic load is one of the main reasons that govern the global stability of submarine pipeline.
15、The safe running of submarine pipelines are paid more attention with the ocean petroleum industry development.
4、At present, the domestic production lines for concrete weight coating of submarine pipeline are basically imported.
9、Vortex-induced vibrations of a submarine pipeline and the concomitant scour around the pipeline with close proximity to an erodible seabed are a complex dynamic interaction between current, pipeline and seabed.
14、Experimental study of hydrodynamic forces on free spanning submarine pipelines under earthquake
5、The vibration effect induced by current acting on suspended submarine pipeline is analyzed.
12、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.
3、Vortex induced vibration of submarine pipeline span is the major factor of resonance invalidation of pipeline.
13、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.
8、A full automatic multi-channel ultrasonic detecting system has been developed to control the laying quality of submarine pipeline.
6、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.
10、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.
2、The control of vortex vibration of submarine pipeline is very important in the design of submarine pipeline.
1、3D simulation of submarine pipeline impacted by dropped objects
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