Reduction of audible noise using asymmetrical bundles for 1000 kV transmission lines: full-scale test results of Akagi test line

1996 ◽  
Vol 11 (3) ◽  
pp. 1482-1491 ◽  
Author(s):  
K. Tanabe ◽  
T. Takebe ◽  
M. Isozaki
1992 ◽  
Vol 35 (3) ◽  
pp. 977-985 ◽  
Author(s):  
K. G. Gebremedhin ◽  
J. A. Bartsch ◽  
M. C. Jorgensen

2013 ◽  
Vol 732-733 ◽  
pp. 1045-1051 ◽  
Author(s):  
Qing Hua Li ◽  
Jing Bo Yang ◽  
Jun Ke Han

State Grid Corporation of China has carried out research on key technology of UHV&EHV AC and DC multi-circuit transmission lines, the research on material and structure of transmission tower is the important part. The SSZT2 tower, on which 1000 kV AC double-circuit and 500 kV AC double-circuit are arranged, is the largest power transmission capacity all over the world. Q420 high-strength tubular steel, the plug-in boards and forging flanges are used in SSZT2 tower,and the forging flange with strength classification is applied for the first time. Through the monographic study on the tower structures, wind vibration coefficient, and biaxial bending of steel tube etc. The success of full-scale test verified the reliability in design and manufacture of multi-circuit steel tubular tower for UHV and EHV. Research results of this paper can be applied in UHV transmission line projects.


2009 ◽  
Vol 46 (3) ◽  
pp. 306-317 ◽  
Author(s):  
Paola Bertolo ◽  
Claudio Oggeri ◽  
Daniele Peila

The installation of draped meshes, metallic nets installed in such a way as to lie against the rock slope surface, is one of the most common ways to protect roads and infrastructure against the detachment of small rock elements in areas prone to rock fall. Despite their frequent and worldwide application, there are no universally recognized guidelines or technical standards to help engineers in their correct design, and no full-scale test results are available where the whole system, composed of several interacting structural components, is tested. In this paper, a full-scale test procedure, which is able to permit the evaluation of the global behaviour of a draped mesh, is described and the results of tests carried out on widely used meshes are presented and discussed.


1990 ◽  
Vol 122 (1-3) ◽  
pp. 219-234 ◽  
Author(s):  
P. Weiss ◽  
H. Watzinger ◽  
R. Hertlein

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