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JB/T 14592-2025Envelope Shaft Boring Machine (English PDF)

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

May 9, 2025

Implementation date

November 1, 2025

Scope

JB/T 14592-2025 (Envelope Shaft Boring Machine) is available as an English-translated PDF.

JB/T 14592-2025 — This standard specifies the type, basic parameters, and technical requirements of envelope-forming shaft boring machines, describes the corresponding test methods, and specifies inspection rules, marking, packaging, transportation, and storage.

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Document preview — JB/T 14592-2025

National Standard of the People's Republic of China

ICS: 73.100.30
Classification: D 91

Issued by: Ministry of Industry and Information Technology

What this standard covers1
Document data2

What this standard covers

This standard specifies the type, basic parameters, and technical requirements of envelope-forming shaft boring machines, describes the corresponding test methods, and specifies inspection rules, marking, packaging, transportation, and storage. This document applies to the manufacture of multi-cutterhead envelope-forming shaft boring machines for drilling shafts in alluvial layers and rock formations with a uniaxial ultimate compressive strength not exceeding 200 MPa.

Document data

International classification (ICS): 73.100.30.

Chinese classification (CCS): D91.

Estimated length of the Chinese original: 15,167 words.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 10 pages — is available in the English PDF.

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