JOURNAL OF PACKAGING SCIENCE & TECHNOLOGY, JAPAN
Online ISSN : 2759-8322
Print ISSN : 0918-5283
ISSN-L : 0918-5283
Volume 27, Issue 4
Displaying 1-2 of 2 articles from this issue
  • Hiroshi Wada
    2018Volume 27Issue 4 Pages 225-
    Published: 2018
    Released on J-STAGE: July 09, 2025
    JOURNAL FREE ACCESS
    Many museum staff who accompanied the transport of arts are concerned about the vibrations that occurred when the truck passed through the joint of the expressway. Vibrations generated on the platform during traveling 2 t truck and 4 t truck, which are frequently used in dedicated trucks used for transporting cultural properties were measured in this study. An important investigation was made, in particular, on the influence on the vibration level when the truck passes through the expressway bridge extension joint frequently appearing on the Metropolitan Expressway. From the Grms value, there was a tendency for 2 t truck to show a greater influence on expansion joint than 4 t truck. In the running test conducted this time, a clear difference was found between Grms on the outward route and return route. There was a difference in vibration level depending on the position on the loading platform, and the distribution of the vibration level on the loading platform showed a clear trend in the 4 t truck. In the vertical direction, there was a peak at the center part on the rear wheel axle, and it gradually declined toward the front of the loading platform. Vibration of 2 Hz to 4 Hz increased at the time of joint running with both 4 t and 2 t trucks.
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  • Expressway Hiroshi Wada
    2018Volume 27Issue 4 Pages 243-
    Published: 2018
    Released on J-STAGE: July 13, 2025
    JOURNAL FREE ACCESS
    In Japan, most of the cultural property transport is carried out by land transportation by specialized truck for cultural properties, but there are zones where some shipping will occur, and the RO / RO ship is used in that case. The authors measured the vibration generated on the platform during the voyage of the RO / RO ship and confirmed that it is very stable during the voyage. On the other hand, details on what kind of vibration occurs when boarding and leaving the RO / RO ship are unknown. Therefore, the vibration data was measured during shipping of eight times, and by analyzing it, the vibration generated on the truck at the time of boarding and leaving was extracted. As a result, it was found from the Grms and PSD profiles that vibration was occurring at a level not seen in the sea voyage during the boarding and leaving process. Some of these vibration levels were almost the same as the levels appearing when the truck traveled on an ordinary road or an expressway. In comparison with the kurtosis of the acceleration distribution, it was found that the process boarding and leaving tends to have a large kurtosis. These are thought to have been influenced by steps such as inside the ship and the connection part with the port.
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