[WIB Construction Method Case Study] Measures Against Machine Vibration in Manufacturing Plants

Improvement of the working environment! Introduction of a construction case where tire shred made of high-damping material was filled in the cell.

At Mitsui Sumitomo Construction in Ehime Prefecture, vibrations caused by machinery operation within the manufacturing plant were propagating to the adjacent office building (a four-story steel structure), resulting in significant vertical vibrations accompanied by a rumbling phenomenon on the 3rd and 4th floors, necessitating environmental improvements. As a solution, a passageway for transport vehicles was constructed between the manufacturing plant and the office building, and the 'WIB method' was implemented directly beneath it. Vibration measurements conducted before and after the countermeasures showed a reduction of 10 dB on the 1st floor, while the rumbling phenomenon was eliminated on the 3rd and 4th floors, resulting in a reduction of 15 to 17 dB. Additionally, the vibration level, which exceeded 70 dB before the countermeasures, dropped to below 60 dB afterward, improving the working environment. 【Case Summary】 ■ Location: Ehime Prefecture ■ Client: Mitsui Sumitomo Construction ■ Vibration Source: Factory vibrations ■ Target for Preservation: Adjacent office building ■ Countermeasure Method: Plate-type WIB (honeycomb cell type) ■ Installation Position: Vibration propagation path *For more details, please refer to the PDF document or feel free to contact us.

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