Detail of GB/T 23451-2023

Introduction of GB/T 23451-2023

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

Contents of GB/T 23451-2023

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