Ballast Deterioration Inspection System
Ballast Checker

Overview

• Based on the principle that sound pressure levels decrease as acoustic waves pass through ballast that has deteriorated and become fine-grained, this system measures the sound pressure of acoustic waves transmitted from a speaker through the ballast and assesses the degree of deterioration.
• 2 hollow driving probes are inserted both sides of a sleeper, with a speaker installed on one side and specialized acoustic measurement equipment on the other.
• Ballast soundness is evaluated based on the relationship between the sound pressure level of acoustic waves transmitted through the ballast and the ballast deterioration index (FI value).
• Easy installation and measurement operations allow on-site confirmation of ballast deterioration status.
• This product is used for track management by JR group companies, private railways of Japan and overseas railway operators.

Product Components

This product consists of driving probes (2 outer tubes and 2 inner tubes), measurement microphone, measurement tablet, measurement speaker, speaker cover, and speaker stand.

Driving Equipment preventing Vehicle ContactNEW

This equipment has been developed in response to customer requests, it has a height to prevent contact with passing vehicles as a safety precaution.

Optional Accessories

A storage bag for driving probes is available. (Color and design specifications are subject to change)

A driving probe installation guide jig is currently in preparation.