Foreword
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This document is developed in accordance with the rules given in GB/T 1.1-2020 Directives for standardization - Part 1: Rules for the structure and drafting of standardizing documents.
This document replaces GB/T 23451-2009 Light weight panels for partition wall used in buildings. In addition to structural adjustments and editorial changes, the following main technical changes have been made with respect to GB/T 23451-2009:
a) Types of panels and their main raw materials, appearance, size requirements, and physical and mechanical performance requirements regarding the foamed ceramic lightweight panel, panel of cement polystyrene particle, sintered hollow panel, foamed ceramic composite panel, composite panel of aluminum honeycomb, multi-ribbed glass fiber reinforced cement composite panel, etc. are added (see 4.1, 5.1.9, 5.1.10, 5.1.13.4, 5.1.15, 5.1.16 and 6.3 hereof);
b) Terms of various panels are added (see 3.6 to 3.19 hereof);
c) Product specifications for lightweight panels with thicknesses of 100 mm, 150 mm, 180 mm and 200 mm are added (see Table 6 hereof);
d) Illustrations of solid and composite sandwich panels are added (see 4.2 hereof);
e) Requirements for the rib thickness between holes and surface wall thickness of hollow panels are added (see Table 5 hereof);
f) Requirements for raw materials for various panels are added (see 5.1 hereof);
g) The 2h water absorption index of the moisture-proof gypsum panel is added (see Table 6 hereof; Table 5 of Edition 2009);
h) Requirements for the panel length are added and requirements for aspect ratio in the terms of panels are modified (see 3.1 hereof; 3.1 of Edition 2009);
Lightweight panels for partition wall used in buildings
1 Scope
This document specifies the classification, specification & marking, general provisions, requirements, test methods, inspection rules, labeling, transportation, and storage of lightweight panels for partition wall used in buildings (hereinafter referred to as lightweight panels).
This document is applicable to the design, production, inspection and application of non-loadbearing lightweight panels for partition wall used in industrial and civil buildings.
2 Normative references
The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB 175 Common Portland Cement
GB/T 701 Hot rolled low carbon steel wire rods
GB/T 1452 Test method for flatwise tension strength of sandwich constructions
GB/T 1596 Fly ash used for cement and concrete
GB/T 2542 Test methods for wall bricks
GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB 6566 Limits of radionuclides in building materials
GB 8076 Concrete admixtures
GB/T 9775 Gypsum plasterboard
GB/T 9776 Calcined gypsum
GB/T 9978.1 Fire-resistance tests - Elements of building construction - Part 1: General requirements
GB/T 9978.8 Fire-resistance tests - Elements of building construction - Part 8: Specific requirements for non-loadbearing vertical separating elements
GB/T 11835 Rock wool, slag wool and its products for thermal insulation
GB/T 13024 Liner board
GB/T 13475 Thermal insulation - Determination of steady-state thermal transmission Properties - Calibrated and guard hot box
GB/T 14684 Sand for construction
GB/T 14685 Pebble and crushed stone for construction
GB/T 17431.1 Lightweight aggregates and its test methods - Part 1: Lightweight aggregates
GB/T 18046 Ground granulated blast furnace slag used for cement, mortar and concrete
GB 18583 Indoor decorating and refurbishing materials - Limit of harmful substances of adhesives
GB/T 19889.3 Acoustics - Measurement of sound insulation in buildings and of building elements - Part 3: Laboratory measurements of airborne sound insulation of building elements
GB/T 20472 Sulphoaluminate cement
GB/T 20491 Steel slag powder used for cement and concrete
GB/T 25176 Recycled fine aggregate for concrete and mortar
GB/T 25177 Recycled coarse aggregate for concrete
GB/T 30100 Test methods for building wallboard
GB/T 31818 Powdery starch adhesive for paper products
JC/T 412.1 Fiber cement flat sheets - Part 1: Non-asbetos fiber cement flat sheets
JC/T 449 Raw materials for magnesia cementitious material
JC/T 564.1 Fiber reinforced calcium silicate boards - Part 1: Non-asbestos calcium silicate boards
JC/T 841 Alkali-resistant glass fiber mesh
JGJ 63 Standard of water for concrete
JGJ/T 318 Technical specification for application of ground limestone in concrete
YB/T 5294 Low carbon steel wire for general purpose
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
lightweight panel
prefabricated panel with a length of not less than 2.2m, an aspect ratio of not less than 2, made of lightweight materials or light construction, with an area density not greater than the values specified in this document and adopting mechanized production
3.2
hollow panel
lightweight panel with several through holes along the length direction of the panel
3.3
solid panel
lightweight panel without holes
3.4
composite sandwich panel
panel made by compounding two or more materials with different properties or by compounding panel board and sandwich materials
3.5
lightweight concrete panel
prefabricated concrete panel made by using cement as the cementitious material, reinforced with steel bars, steel wire mesh, short cut fibers or other materials, mixed with lightweight aggregates or admixtures such as pumice, ceramic particles, fly ash, coal gangue, slag, and recycled aggregates, or formed by foaming technology
4 Classification, specifications and marking
4.1 Classification and code
According to material types, lightweight panel are classified into lightweight concrete panel (hereinafter referred to as "concrete panel"), lightweight cement panel (hereinafter referred to as "cement panel"), gypsum hollow panel (hereinafter referred to as "gypsum panel"), sintered hollow panel (hereinafter referred to as "sintered panel"), foamed ceramic lightweight panel (hereinafter referred to as "foamed ceramic panel"), foamed ceramic composite panel, panel of cement polystyrene particle, composite panel of cement polystyrene particle, composite panel of aluminum honeycomb (hereinafter referred to as "panel of aluminum honeycomb"), composite panel of paper honeycomb (hereinafter referred to as "panel of paper honeycomb"), multi-ribbed glass fiber reinforced cement composite panel (hereinafter referred to as "multi-ribbed glass fiber reinforced cement composite panel"); according to the cross-sectional structure, they can be classified into hollow panel, solid panel and composite sandwich panel; according to the type of component of the panel, they can be classified into ordinary panel, door and window frame panel, and irregular panel. See Table 1 for the classification and code of lightweight panels.
5 General requirements
6 Requirements
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Classification, specifications and marking
5 General requirements
6 Requirements
7 Test methods
8 Inspection rules
9 Labeling, transportation and storage
