Single mode 3Hz band and multiple modes in the tens of Hz band! Measures against low-frequency noise caused by vibrations of elevated road bridges.
The "mD Series" is a vibration control device installed on elevated road bridges, which serves as a source of vibration, to reduce low-frequency noise and vibration impacts on nearby buildings. Traffic regulation is not required, and test installations are possible. The adoption rate for elevated road bridges is increasing. We clarify the causes of occurrence and respond to solutions from investigation, analysis, and prediction to appropriate measures, construction, installation, and effect confirmation. 【Features】 ■ Key to countermeasures against low-frequency noise and vibration from elevated road bridges ■ Increasing adoption rate for elevated road bridges ■ No traffic regulation required ■ Test installations are possible ■ Clarifies causes of occurrence and responds to solutions *For more details, please refer to the PDF materials or feel free to contact us.
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basic information
【Implementation Steps】 ■Resident Environmental Issues ↓ ■Preliminary Survey: Vibration Measurement of Elevated Bridges / Low-Frequency Noise Measurement ↓ ■Identification of Factors: Frequency Identification / Source Location Identification ↓ ■FEM Analysis: Understanding Vibration Characteristics / Consideration of Installation Location ↓ ■Consideration of Countermeasures: Determination of Target Frequencies / Specification and Number of Units *For more details, please refer to the PDF document or feel free to contact us.
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Applications/Examples of results
【Delivery Achievements】 ■Nagoya Expressway ■National Route 41 ■Tomei Expressway Bridge A Phase I ■Tomei Expressway Bridge A Phase II ■Tomei Expressway Bridge B ■Chuo Expressway Bridge C ■Second Tomei Expressway Bridge K ■Shuto Expressway Bridge O *For more details, please refer to the PDF document or feel free to contact us.
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By controlling vibrations, we can create comfortable, precise, and safe environments. Our patented equipment is a pioneering company that solves vibration problems. We provide vibration control products tailored to solutions and applications, ranging from seismic isolation and damping products to micro-vibration control in the nanotechnology industry, as well as environmental measurement, structural analysis, and response prediction.
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