Journal of the Japanese Association for Petroleum Technology
Online ISSN : 1881-4131
Print ISSN : 0370-9868
ISSN-L : 0370-9868
The Strength of 27M & 34M Iron Derriks
T. Hiraoka
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JOURNAL FREE ACCESS

1950 Volume 15 Issue 1 Pages 2-18

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Abstract
The author has calculated the strength of iron derricks by the graphical solution. The results are as follow.
27M derrick's nominal is 86.4 ton.
34M derrick's nominal is 164 ton.
Each derrick can resist to the wind load based on the wind speed40m/sec
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© The Japanese Association for Petroleum Technology
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