GB6722-2014

Safety regulations for blasting

爆破安全规程

GB 6722-2014 é uma norma nacional chinesa obrigatória vigente: Safety regulations for blasting. Setor: Alimentos. Foco: Segurança de produtos. Entrada em vigor: 1 de jul. de 2015.

A aplicabilidade depende do escopo do produto, da via de certificação, dos avisos da autoridade competente e das regras de transição. Solicite uma tradução ou verifique a fonte antes de usar este registro em uma decisão de conformidade.

Visão geral de conformidade

Esta visão geral está disponível por enquanto apenas em inglês.

Escopo e aplicabilidade

This standard applies to various civil blasting operations and non-military engineering blasting activities. It establishes safety technical requirements for blasting operations and the purchase, transport, storage, use, processing, inspection, and destruction of blasting materials. This standard is mandatory for all manufacturers and entities engaged in blasting activities in China. It is closely related to GB 50089 and GA 990 for facility and qualification management.

Requisitos técnicos

The standard classifies blasting projects into A, B, C, D levels based on explosive quantity and environmental complexity. It mandates comprehensive blasting design and construction protocols, including safety assessments and supervision. All blasting operations must adhere to strict safety procedures for charging, stemming, and initiation networks. It specifies requirements for different environments such as surface blasting, underground blasting, and demolition blasting. The standard also details safety allowable distances for blasting vibration, air shock waves, and individual flying objects, referencing GB 18098 for toxic gas limits.

Métodos de ensaio

The standard requires monitoring of blasting adverse effects, including vibration, shock waves, and noise. Testing systems for blasting vibration must be calibrated regularly by authorized metrological institutions. It also mandates field testing of blasting materials such as detonators and detonating cords for resistance and transmission reliability before use.

Perguntas frequentes

What products are regulated under GB 6722-2014?

It regulates civil blasting operations and the use, transport, and storage of blasting materials like industrial explosives and initiating equipment.

Are there any updates from the previous version of GB 6722-2014?

Yes, it replaced GB 6722-2003, adding chapters on special blasting, refining blasting engineering classification, and updating safety control standards for environmental impacts.

How does GB 6722-2014 handle blasting vibration safety?

It uses peak particle velocity and main vibration frequency as safety criteria, with specific allowable limits for different types of structures and facilities.

The summary above provides a high-level overview of GB 6722-2014. To ensure complete compliance for your products entering the Chinese market, a precise and professional translation of the full technical specifications is essential. Purchase our high-quality English translation of GB 6722-2014 today to access all detailed parameters, tables, and testing procedures.

Indicações de aplicabilidade

Tipo: Segurança
CCS: C66
ICS: 13.100
Órgão competente: Ministry of Public Security
Comitê técnico: Ministry of Public Security

Relações

Substitui:GB 6722-2003