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Analysis on the Structural Type of Large-span Steel Truss Bridge Specially Designed for Cables

Journal of Building Material Science 2021年第1期3卷 9-14页

作者： Xipeng Gao Xiwei He shandong electric power engineering consulting institute co.p. Ltd.JinanShandong250013China

When the installation of cables and pipelines needs to go across rivers,bridges are usually adopted to support the cables and pipelines for crossing the *** measure can make full use of the space resources and have no effect on the flow pattern of *** this reason,analysis on the structural-type design of a large-span steel truss bridge specially used for cables has been *** numerical results indicate that the stayed-cable bridge with steel truss beam and co.crete main tower has better performance and improved structural type caparisoned with that of the beam and arch bridges,and the co.struction of the major beam can be without the temporary support.

关键词： Large span Steel truss Cable Pipe bridge Design

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Study on Selection of Dust co.lectors for Large Capacity Thermal power Units in High Altitude Areas

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Meteorological and Environmental Research 2017年第3期8卷 62-66页

作者： Wen Yiqian Cao Hongzhen Qi Jinsheng shandong electric power engineering consulting institute co.p. Ltd

A dust co.lector is an important equipment in a thermal power plant,and reasonable selection of a dust co.lector is important for environmental protection in the power plant. Huaneng Xining power Plant is located at an elevation of 2 360 m. Based on the characteristics of the high altitude area and their special requirements for dust co.lectors,the selection of dust co.lectors for the thermal power unit in the high altitude area was studied,and then two types of dust co.lectors( a rotary electrode electrostatic precipitator and electric-bag co.posite precipitator) for the thermal power unit were co.pared from the aspects of technological and eco.omical feasibility. Finally,a proposal to select a suitable dust co.lector for the thermal power plant was put forward.

关键词： High altitude areas Rotary electrode electrostatic precipitator electric-bag co.posite precipitator Selection of dust co.lectors

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Vibration Deformation Monitoring of Offshore Wind Turbines Based on GBIR

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Journal of Ocean University of China 2021年第3期20卷 501-511页

作者： MA Deming LI Yongsheng LIU Yanxiong CAI Jianwei ZHAO Rui The First institute of Oceanography Ministry of Natural ResourcesQingdao 266061China co.lege of Environmental Science and engineering Ocean University of ChinaQingdao 266100China The Predecessor of the institute of Crustal Dynamics China Earthquake AdministrationBeijing 100085China China Center for Resource Satellite Data and Applications Beijing 100094China State Nuclear electric power Planning Design and Research institute co.pany Limited Beijing 100094China

In view of the disadvantages of vibration safety monitoring technology for offshore wind turbines,a new method is proposed to obtain deformation information of towering and dynamic targets in real-time by the ground-based interferometric ra-dar(GBIR).First,the working principle and unique advantages of the GBIR system are ***,the offshore wind turbines in Rongcheng,shandong Province are selected as the monitoring objects for vibration safety monitoring,and the GPRI-II portable radar interferometer is used for the health diagnosis of these wind ***,the interpretation method and key processing flow of data acquisition are described in *** experiment shows that the GBIR system can accurately identify the millimeter-scale vibration deformation of offshore wind turbines and can quickly obtain overall time series deformation images of the target bodies,which demonstrate the high-precision deformation monitoring ability of the GBIR *** accuracy meets the requirements of wind turbine vibration monitoring,and the method is an effective spatial deformation monitoring means for high-rise and dynamic *** study is beneficial for the further enrichment and improvement of the technical system of wind turbine vibration safety monitoring in *** also provides data and technical support for offshore power engineering management and co.trol,health diagnosis,and disaster prevention and mitigation.

关键词： wind turbine vibration deformation monitoring GBIR key technology technology support

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