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GB/T 38784-2020Suspended floor, stairs, trail and plank road glass (English PDF)

悬空地板、踏步、步道及栈道玻璃

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

June 2, 2020

Implementation date

May 1, 2021

Scope

GB/T 38784-2020 is the English-translated version of 悬空地板、踏步、步道及栈道玻璃.

GB/T 38784-2020 deals with the glass used in walking surfaces that are suspended above the ground.

Clause 1 states that the standard specifies the terms and definitions, product classification, materials, requirements, test methods, inspection rules, and the packaging, marking, transport and storage of glass for suspended floors, steps, walkways and plank roads; it applies to such glass when it carries people, and it expressly does not apply to glass products such as the guard plates or the ceilings of enclosure structures.

The page shows clause 2 listing the normative references and clause 3 the terms and definitions, which are those of GB 15763.2 and GB 15763.3 together with four defined in the standard itself.

Those four are suspended floor glass, which relies on frame or point support, is installed overhead at a height of not more than 1 m and serves as the floor board; suspended stair glass, used as a step or a stair; suspended walkway and plank road glass, installed on an overhead passage that connects buildings, crosses a river or is built along a mountain and used as a pedestrian walkway; and the coefficient of slip-resistance, the ratio of tangential to vertical force at the moment the object overcomes the maximum static friction and begins to slide.

The documents it cites indicate the testing it draws on, among them GB 15763.2 for tempered glass and GB 15763.3 for laminated glass, GB/T 2680 for the light and solar transmittance of architectural glass, GB/T 5137.1-2002 for mechanical performance testing and JC/T 1050-2007 for grading anti-skid performance.

The standard was proposed by the China Building Materials Federation and falls under the jurisdiction of the National Technical Committee for Standardization of Building Glass (SAC/TC255), with glass makers, special glass inspection centres and a plastics company among the drafting bodies. It was issued on 2 June 2020 and has applied since 1 April 2021.

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Document preview — GB/T 38784-2020

National Standard of the People's Republic of China

ICS: 81.040.20
Classification: Q 33

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

Foreword
1 Scope
2 Normative references
3 Terms and definitions

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

1 Scope

This standard specifies the terms and definitions, product classifications, materials, requirements, test methods, inspections, etc. of suspended floor, step, walkway and plank glass Inspection rules and packaging, marking, transportation and storage.

This standard is applicable to glass used for suspended floors, steps, walkways and planks carrying personnel.

This standard does not apply to glass products such as guard plates or ceilings of enclosure structures.

2 Normative references

The following documents are essential for the application of this document. For dated reference documents, only the dated version applies to this document. For the cited documents without date, the latest version (including all amendments) applies to this document.

GB/T 1216 outer diameter micrometer

GB/T 2680 Architectural glass visible light transmittance, direct sunlight transmittance, total solar transmittance, ultraviolet transmittance and Determination of window closing glass parameters

GB/T 4167-2011 weight

GB/T 5137.1-2002 Automobile safety glass test method Part 1: Mechanical performance test

GB 15763.2 Safety glass for construction Part 2: Tempered glass

GB 15763.3 Safety glass for building Part 3: Laminated glass

JC/T 1050-2007 Classification and test method of anti-skid performance grade of ground stone

3 Terms and definitions

The terms and definitions defined in GB 15763.2 and GB 15763.3 and the following apply to this document.

3.1 Suspended floor glass

Relying on the frame or point support, the height of the overhead installation is not more than 1m, which is used as the glass of the floor board.

3.2 Suspended stair glass

Relying on the frame or point support, it is used as a glass for steps or stairs.

3.3 Suspended walkway and plank glass

Relying on the frame or point support, it is installed on the overhead passage connecting the building, crossing the river or built according to the mountain, and used as a pedestrian walkway Glass.

3.4 Coefficient of slip-resistance

The object overcomes the maximum static friction force, which just produces the ratio of tangential force to vertical force when sliding.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

GB 15763.2

Cited by

GB/T 39806-2021Safety performance evaluation of suspended floor,stairs, trail and plank road glass

Similar standards

GB/T 29759-2026|GB 46030-2025|GB/T 15763.1-2025|GB/T 15763.2-2025|GB/T 15763.3-2025|GB/T 15763.4-2025

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