Features & Capabilities

Developed in accordance with GB 6722-2014 Blasting Safety Regulations. Perform accurate vibration-safety distance calculations anytime — fully offline.

This application is developed in accordance with the National Standard of the People’s Republic of China — GB 6722-2014 “Blasting Safety Regulations”, and is designed to calculate the allowable safety distance of blasting vibration.

Required Parameters: • K, α (Coefficient and Attenuation Index): Represent the influence of geological and topographical conditions between the blasting site and the protected object, determined through field tests. • V (Allowable Particle Velocity): The maximum particle velocity that the protected object can safely withstand at its location, measured in cm/s. • Q (Charge Weight of Explosives): The total explosive charge used for blasting; for delayed blasting, the largest single segment charge should be used, measured in kilograms (kg).

Calculation Result: • R (Allowable Safety Distance): The minimum safe distance (in meters) ensuring that vibration from blasting does not exceed the allowable level for the protected object.

Formula: R = (K / V)^(1/α) × Q^(1/3)

This formula is widely applied in mining, tunneling, and construction blasting safety analysis to evaluate the potential impact of blasting vibrations on nearby structures and facilities.

User Growth & Download Statistics

App
By:
Quzhou RARHe Technology Co., Ltd.
Rating:
5.00
(1)
Version:
2.0 Last updated: 2025-11-13
Version code:
879714875
Creation date:
2018-10-01
Compatible devices:
Size:
1.05MB
Price:
8
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Apple Apps Store
Data ingested on:
2026-05-24
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Apple app. Please use these information below to contact the Apple app developer.
Developed by:
Quzhou RARHe Technology Co., Ltd.
Apple Apps Store
https://apps.apple.com/cn/app/vibration-safety/id1435584092?l=en-GB
Website:
https://rarhe.cn/2025/11/13/156/

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