Abstract
The cylindrical reticulated shell structures without side walls, which are normally arranged in pairs, are usually used as dry-coal sheds in a thermal power plant. The wind loads of these shells do not exist in standards or codes. Therefore, this study investigates the mean and fluctuating wind loads on a cylindrical reticulated shell with a rise-to-span ratio of 0.39 through a series of wind tunnel tests. The characteristics of the wind pressures on the upper and lower surfaces and the net pressures are presented. The results show that the wind direction and another shell structure significantly affect the wind loads on the principal shell. The most unfavorable wind direction is around 30°, whereas the effects of the wind field and the height of the coal stack are small. The surfaces of the shells are divided into nine blocks, and the block mean and fluctuating (rms) pressure coefficients suitable for engineering applications are given as references for wind load codes.
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Project supported by the Ministry of Science and Technology of China (Nos.SLDRCE09-B-06 and SLDRCE08-A-03) and the National Natural Science Foundation of China (Nos. 51178352, 51278368 and 90715040)
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Huang, P., Zhou, Xy. & Gu, M. Experimental study of wind loads on cylindrical reticulated shells. Appl. Math. Mech.-Engl. Ed. 34, 281–296 (2013). https://doi.org/10.1007/s10483-013-1670-6
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DOI: https://doi.org/10.1007/s10483-013-1670-6
Key words
- cylindrical reticulated shell
- dry-coal shed
- wind tunnel test
- block pressure coefficient
- fluctuating pressure
- interference effect