Single mode 3Hz band and multiple mode 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 trial construction is possible. The adoption record for elevated road bridges is increasing. We clarify the causes of occurrence and respond to solutions from investigation, analysis, and prediction to suitable measures, construction, installation, and effect confirmation. 【Features】 ■ Key solution for low-frequency noise and vibration measures from elevated road bridges ■ Increasing adoption record for elevated road bridges ■ No traffic regulation required ■ Trial construction is possible ■ Clarifying the causes of occurrence and responding 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: Bridge Vibration Measurement / 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 Frequency / 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 a comfortable, precise, and safe environment. Our patented equipment is a pioneering company that solves vibration problems. We provide vibration control products tailored to various 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 (including seismic isolation and resistance products, vibration isolation devices, damping devices, and vibration reduction devices).