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GB/T 27794-2023Precast concrete conduits for electric cable (English PDF)

电力电缆用预制混凝土导管

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

March 17, 2023

Implementation date

October 1, 2023

Scope

GB/T 27794-2023 is the English-translated version of 电力电缆用预制混凝土导管.

GB/T 27794-2023 is the Chinese standard "Precast concrete conduits for electric cable".

Its scope clause reads: This document specifies the classification, specifications, dimensions, markings, raw materials, general requirements, technical requirements, and test requirements of precast concrete conduits for power cables: Inspection methods, inspection rules, as well as marking, packaging, transportation, storage and delivery certificates: This document applies to prefabricated concrete conduits for power cables that are prefabricated in factories and installed on site:.

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Document preview — GB/T 27794-2023

National Standard of the People's Republic of China

ICS: 91.100.30
Classification: Q 14
Replacing: GB/T 27794-2011

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1 Scope
2 Normative references
3 Terms and Definitions
4 Classification, size and marking
5 raw materials
6 General requirements
7 Technical requirements
8 Test method
9 Inspection rules
10 Labeling, packaging, transportation and storage
11 Factory certificate
Appendix A (Informative) Joint Type and Detail Size of Unreinforced Concrete Cable Conduit
Appendix B (Informative) Reinforced Concrete Cable Conduit Type
Appendix C (Normative) Technical Requirements for Connecting Rods

1 Scope

This document specifies the classification, specifications, dimensions, markings, raw materials, general requirements, technical requirements, and test requirements of precast concrete conduits for power cables:

Inspection methods, inspection rules, as well as marking, packaging, transportation, storage and delivery certificates:

This document applies to prefabricated concrete conduits for power cables that are prefabricated in factories and installed on site:

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references

For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document:

GB 175 General Portland cement

GB/T 700 carbon structural steel

GB/T 1499:1 Steel for reinforced concrete Part 1: Hot-rolled plain round steel bar

GB/T 1499:2 Steel for reinforced concrete Part 2: Hot-rolled ribbed steel bars

GB/T 1596 Fly ash used in cement and concrete

GB 8076 Concrete Admixtures

GB/T 13788 Cold-rolled ribbed steel bars

GB/T 14684 Construction Sand

GB/T 14685 Pebbles and gravels for construction

GB/T 17431:1 Lightweight aggregates and their test methods Part 1: Lightweight aggregates

GB/T 18046 Granulated blast furnace slag powder used in cement, mortar and concrete

GB/T 21120 Synthetic fibers for cement concrete and mortar

GB/T 23265 Chopped basalt fibers for cement concrete and mortar

GB/T 38143 Alkali-resistant glass fibers for cement concrete and mortar

GB/T 50081 Standard for Test Methods of Physical and Mechanical Properties of Concrete

GB/T 50082 Standard for Test Methods of Long-term Performance and Durability of Ordinary Concrete

GB/T 50107 Concrete Strength Inspection and Evaluation Standard

GB 50119 Technical specification for the application of concrete admixtures

GB 50164 Concrete Quality Control Standard

GB 50204 Code for Acceptance of Construction Quality of Concrete Structure Engineering

GB/T 51003 Technical specification for the application of mineral admixtures

JC/T 946 Rubber seals for concrete and reinforced concrete drains

JGJ/T 12 Technical Standard for Lightweight Aggregate Concrete Application

JGJ55 Ordinary Concrete Mix Proportion Design Regulations

JGJ63 concrete water standard

JGJ/T 221 Technical Regulations for Application of Fiber Concrete […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 21 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 1499.1 · GB/T 1499.2 · GB/T 13788 · GB/T 50081 · JC/T 946 · JGJ 55 · JGJ 63

Similar standards

GB/T 16308-2026|GB/T 19496-2026|GB/T 24493-2026|GB/T 29423-2026|GB/T 30190-2026|GB/T 47077-2026

Editions of GB/T 27794

Edition	Title	Revision	Status
GB/T 27794-2023	Precast concrete conduits for electric cable	current edition	Current
GB/T 27794-2011	Precast concrete conduits for electric cable	previous edition	Superseded

This page sells the current edition, GB/T 27794-2023. Earlier editions are listed for reference only.

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