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JG/T 231-2018 English PDF (JGT231-2007)

JG/T 231-2018_English: PDF (JG/T231-2018)
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JG/T 231-2018English290 Add to Cart 0--9 seconds. Auto-delivery Technical requirements of building glass skylight system Valid JG/T 231-2018
JG/T 231-2007English160 Add to Cart 0--9 seconds. Auto-delivery Building glass skylight system Obsolete JG/T 231-2007


BASIC DATA
Standard ID JG/T 231-2018 (JG/T231-2018)
Description (Translated English) Technical requirements of building glass skylight system
Sector / Industry Building & Construction Industry Standard (Recommended)
Classification of Chinese Standard P32
Classification of International Standard 91.060.20
Word Count Estimation 25,270
Date of Issue 2018-06-26
Date of Implementation 2018-12-01
Older Standard (superseded by this standard) JG/T 231-2007
Quoted Standard GB/T 2680; GB/T 4171; GB/T 5117; GB/T 5118; GB/T 5224; GB/T 5237.1; GB/T 5237.2; GB/T 5237.3; GB/T 5237.4; GB/T 5237.5; GB/T 5237.6; GB/T 8485; GB 8624; GB/T 9535; GB/T 9944; GB/T 11944; GB/T 11976; GB/T 13912; GB/T 14370; GB 15763.3-2009; GB 15763.4
Drafting Organization China Building Standard Design and Research Institute Co., Ltd.
Administrative Organization Technical Committee for Standardization of Building Structures of the Ministry of Housing and Urban-Rural Development
Regulation (derived from) Ministry of Housing and Urban-Rural Development Announcement 2018 No. 126
Proposing organization Institute of Standardization of Housing and Urban-Rural Development
Issuing agency(ies) Ministry of Housing and Urban-Rural Development of the People Republic of China
Summary This standard specifies the terms and definitions, classification and marking, general requirements, materials and components, fabrication and assembly requirements, requirements and test methods for architectural glass roofing. This standard applies to architectural glass lighting roof.

BASIC DATA
Standard ID JG/T 231-2007 (JG/T231-2007)
Description (Translated English) Building glass skylight system
Sector / Industry Building & Construction Industry Standard (Recommended)
Classification of Chinese Standard Q33
Classification of International Standard 91.060.20
Word Count Estimation 21,296
Date of Issue 2007/12/24
Date of Implementation 2008-06-01
Quoted Standard GB 5237.1; GB 5237.2; GB 5237.3; GB 5237.4; GB 5237.5; GB 5237.6; GB/T 5574; GB/T 6388; GB/T 8484-2002; GB/T 8485-2002; GB/T 11944; GB/T 11976-2002; GB/T 13306; GB/T 15227-2007; GB 15763.2; GB 15763.3; GB 16776; GB 17841; GB 50009; GB 50011; GB 50016; GB 50045; GB 50057; GB 50205; JG 138; JG/T 174; JG/T 200; JG/T 201; JGJ/T 16; JC/T 486; JC/T 882; JC/T 914; JC/T 915; HG/T 3100
Drafting Organization China Academy of Building Standard Design
Administrative Organization Ministry of Construction products and components and parts of products Standardization Technical Committee
Summary This standard specifies the architectural glass skylight terms and definitions, classification and marking, general requirements, materials, performance, production and assembly requirements, test methods, inspection rules and signs, packaging, transportation and storage. This standard applies to architectural glass skylight, architectural glass awning can refer to use.


JG/T 231-2018 CONSTRUCTION INDUSTRY INDUSTRIAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 91.060.20 P 32 Replacing JG/T 231-2007 Technical requirements of building glass skylight system ISSUED ON: JUNE 26, 2018 IMPLEMENTED ON: DECEMBER 01, 2018 Issued by: Ministry of Housing and Urban-Rural Development of the People's Republic of China Table of Contents Foreword ... 3  1 Scope ... 5  2 Normative references ... 5  3 Terms and definitions ... 8  Annex A (informative) Detection limit of different matrix specimens ... 33  Annex B (informative) Chromatogram of organochlorine pesticide mixed standard solution ... 33  Annex C (informative) Method uncertainty ... 36  Bibliography ... Error! Bookmark not defined.  Technical requirements of building glass skylight system 1 Scope This Standard specifies the terms and definitions, classification and marks, general requirements, materials and components, production and assembly requirements, requirements and test methods. This Standard is applicable to building glass skylight system. 2 Normative references The following referenced documents are indispensable for the application 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/T 2680, Determination of light transmittance, solar direct transmittance, total solar energy transmittance and ultraviolet transmittance for glass in building and related glazing factors GB/T 4171, Atmospheric corrosion resisting structural steel GB/T 5117, Covered electrodes for manual metal arc welding of non-alloy and fine grain steels GB/T 5118, Covered electrodes for manual metal arc welding of creep- resisting steels GB/T 5224, Steel strand for prestressed concrete GB/T 5237 (all parts), Wrought aluminium alloy extruded profiles for architecture GB/T 8485, The graduation and test for airborne sound insulating properties of windows and doors GB 8624, Classification for burning behavior of building materials and products GB/T 9535, Crystalline silicon terrestrial photovoltaic (PV) modules-design qualification and type approval GB/T 9944, Stainless steel wire ropes GB/T 11944, Insulating glass unit GB/T 11976, Graduation and test method of daylighting properties for external windows GB/T 13912, Metallic Coatings - Hot Dip Galvanized Coatings on Fabricated Iron GB/T 14370, Anchorage, grip and coupler for prestressing tendons GB 15763.3-2009, Safety glazing materials in building - Part 3: Laminated glass GB 15763.4, Safety glazing materials in building - Part 4: Heat soaked thermally tempered glass GB/T 18911, Thin-film terrestrial photovoltaic (PV) modules - Design qualification and type approval GB/T 20047.1, Photovoltaic (PV) module safety qualification - Part 1: Requirements for construction GB/T 20878, Stainless and heat-resisting steels - Designation and chemical composition GB/T 20492, Zinc-5%aluminum-mixed mischmetal alloy-coated steel wire and steel wire strand GB/T 23615.1, Thermal barrier materials for architecture aluminium alloy extruded profiles - Part 1: Polyamide profiles GB/T 23615.2, Thermal barrier materials for architectural aluminum alloy profiles - Part 2: Thermal barrier polyurethane GB/T 24498, Gaskets for doors, windows and curtain walls of buildings GB/T 25821, Stainless steel wire strand GB/T 29043, Graduation and test method for thermal insulating properties of curtain walls GB/T 29551, Laminated solar PV glazing materials in building GB/T 29738, Graduations and test method for performance of exterior windows and doors, curtain walls impacted by windborne debris in windstorm JG/T 449, Polyvinyl butyral(PVB) interlayer for building mounted photovoltaic module JG/T 455, Tempered Glass for Window, Door and Curtain Wall in Buildings JG/T 471, Elastic sealants for insulating glass units of windows and curtain walls in building JG/T 475, Structural Silicon Sealants for Building Curtain Wall JG/T 492, General Technical Requirements for PV Member Used for Buildings JGJ 16, Code for electrical design of civil buildings JGJ 26, Design Standard for Energy Efficiency of Residential Buildings in Severe Cold and Cold Zones JGJ 75, Design standard for energy efficiency of residential buildings in hot summer and warm winter zone JGJ 85, Technical specification for application of anchor, grip and coupler JGJ 113, Technical specification for application of architectural glass JGJ 134, Design Standard for Energy Efficiency of Residential Buildings in Hot Summer and Cold Winter Zone JGJ/T 151, Calculation specification for thermal performance of windows, doors and glass curtain-walls JGJ 203, Technical code for application of solar photovoltaic system of civil buildings JGJ 255, Technical specification for skylight and metal roof 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 building glass skylight system glass skylight system for short A general term for envelope structure, decorative structure and canopy composed of glass panel and support system with an angle of less than 75° to the horizontal plane. 4.2.2 Marking example Example: CGD-S-K-FB/3.5-JG/T231, which represents a closed glass skylight system that is supported by cable rod structure, is openable, the structural performance is 3.5kPa and complies with the industrial standard JG/T 231. 5 General requirements 5.1 The materials used for glass skylight system shall meet the relevant regulations of the current national standards, see Annex A. There shall be exit- factory certificate and quality certificate. 5.2 The physical and mechanical properties of the materials used for glass skylight system shall meet the design requirements. The materials selected in severe cold and cold areas shall meet the requirements of preventing low temperature brittleness. 5.3 The area of glass panel used for glass skylight system shall not exceed 2.5m2. The length of the long side shall not be greater than 2m. 5.4 When the glass skylight system uses glass beam support, the glass beam shall use laminated glass and the laminated glass original sheet shall be tempered or semi-tempered ultra-white flat glass. The glass beam shall have a good adaptability to temperature deformation, earthquake action and structural deformation. After a piece of glass in laminated glass for glass beams is broken, the glass beam shall still meet the structural performance design requirements. The glass beam shall also meet the following requirements: a) When the glass beam needs to be punched, the tempered laminated glass shall be used; b) When the glass beam does not need to be punched, the semi-tempered laminated glass shall be used. 5.5 When the glass skylight system is installed with sunshade products, the sunshade products shall comply with the requirements of JG/T 274. 5.6 The safety performance of the glass skylight system shall meet the design requirements and shall be able to adapt to the deformation of the main structure and the effects of temperature. 5.7 The energy-saving design of glass skylight system shall comply with the requirements of GB 50176, GB 50189, JGJ 26, JGJ 75 and JGJ 134. 5.8 The durability of glass skylight system, anti-condensation (frost, ice) and hail resistance shall meet the design requirements. steel surface and the inside of closed profiles without end closures. Closed profiles shall be end-sealed; c) When using fluorocarbon paint or polyurethane paint to spray, the coating film thickness shall not be less than 35μm. In areas with poor environment such as seashore, the coating film thickness shall not be less than 45μm. 6.2.3 Stainless steel for glass skylight system shall use austenitic stainless steel. The chemical composition shall comply with the requirements of GB/T 20878 and the nickel content shall not be less than 8%. Stainless steel shall meet the requirements of current national standards, see Annex A. 6.2.4 Atmospheric corrosion resisting structural steel shall comply with the requirements of GB/T 4171. 6.2.5 The welding material shall match the properties of the metal being welded. The electrode used shall meet the requirements of GB/T 5117 and GB/T 5118. Welding shall meet the requirements of GB 50661. 6.2.6 Main stress members and connectors shall use steel plates with a wall thickness of not less than 4mm, hot-rolled steel pipes with a wall thickness of not less than 2.5mm, and angle steel with a size of not less than L45mm × 4mm and L56mm × 36mm × 4mm as well as cold-formed thin-walled steel with a wall thickness of not less than 2mm. 6.2.7 Steel cable pressure pipe joints for glass skylight system shall meet the requirements of JG/T 201. Other steel accessories used with glass skylight system shall meet the design requirements. 6.3 Pull rod 6.3.1 Steel ropes for glass skylight system shall use steel strands. The nominal diameter of the steel strand of the main load steel rope shall not be less than 12mm and shall meet the design requirements. 6.3.2 Zinc-5% aluminum-mixed rare earth alloy coated steel strands shall meet the requirements of GB/T 20492. Other steel strands shall meet the requirements of GB/T 5224. Stainless steel strands shall meet the requirements of GB/T 25821 and JG/T 200. 6.3.3 Stainless steel wire ropes shall meet the requirements of GB/T 9944. 6.3.4 The finished cable shall have a chemical composition report and a product quality certificate. When using non-standard cable, there shall be a qualification report of its ultimate tensile test. 6.3.5 Anchors for cables shall comply with GB/T 14370 and JGJ 85. 6.5 Hardware 6.5.1 The hardware for glass skylight system shall comply with the relevant national standards. See Annex A for common material standards. 6.5.2 In addition to stainless steel, hardware for glass skylight system shall be anti-corrosive. 6.5.3 The bearing capacity and service life of the hardware shall meet the design requirements. Check the bearing capacity of main stressed hardware. 6.6 Sealing material 6.6.1 Seam sealant for glass skylight system shall use neutral silicone construction sealant that complies with JC/T 882 and the Displacement capacity shall meet the deformation requirements of engineering seam. The sealant shall be compatible with panel material. When it is not compatible with laminated glass film, it shall take measures to avoid contact. 6.6.2 When the glass skylight system uses hidden frame installation, the secondary sealant of insulating glass as well as adhesive for glass and profile bonding shall use neutral silicone structure sealant that complies with JG/T 475. 6.6.3 Before silicone construction sealant and silicone structure sealant are used, compatibility test of organic materials in contact with them and peel adhesion test of materials bonded to them shall be performed by a nationally recognized testing agency. In addition, it shall confirm the Shore hardness of silicone structural sealant, the tensile adhesion under standard conditions. Products that fail the tests shall not be used. 6.6.4 Sealing strips for glass skylight system shall comply with GB/T 24498. Rubber products shall meet the requirements of HG/T 3099. When using rubber products, silicone rubber, EPDM or neoprene shall be used. 6.7 Photovoltaic components 6.7.1 Solar photovoltaic components for glass skylight system shall meet the requirements of JG/T 492. Photovoltaic laminated glass shall meet the requirements of GB/T 29551. Photovoltaic insulating glass shall meet the requirements of GB/T 29759. 6.7.2 Thin film photovoltaic components shall meet the requirements of GB/T 18911. 6.7.3 Crystalline silicon photovoltaic components shall meet the requirements of GB/T 9535. 6.7.4 Other forms of photovoltaic components shall meet the requirements of The insulation performance testing of glass skylight system shall be performed in accordance with GB/T 29043. When testing, the test piece shall be installed at the actual angle. The insulation performance can also be calculated according to the method specified by JGJ/T 151. 9.5 Heat-shielding performance The solar heat gain coefficient of glass skylight system shall be calculated according to JGJ/T 151. 9.6 Photothermal performance 9.6.1 The measurement of visible light transmittance shall be performed in accordance with GB/T 2680. Visible light transmittance of glass skylight system can be calculated according to JGJ/T 151. 9.6.2 Light-to-heat ratio LSG is the ratio of the visible light transmittance to the total solar transmittance g, that is, . 9.7 Thermal cycling performance Thermal cycling performance of glass skylight system can be implemented according to JG/T 397. When testing, the test piece shall be installed at the actual angle. 9.8 Sound insulation performance Sound insulation performance of glass skylight system can be implemented according to GB/T 8485. 9.9 Lighting performance Lighting performance testing can be performed in accordance with GB/T 11976. 9.10 Impact resistance performance 9.10.1 Resistance to soft heavy objects The testing of the impact resistance of glass skylight system to soft heavy objects shall be performed in accordance with Annex C. 9.10.2 Resistance to hard heavy objects The testing of the impact resistance of glass skylight system to hard heavy objects shall be performed in accordance with 7.11 in GB 15763.3-2009. Use the upside of 1040g steel ball impact laminated glass, laminated insulating Annex A (informative) Common material standards GB/T 699-2015, Quality carbon structural steels GB/T 700-2006, Carbon structural steels GB/T 912-2008, Hot-rolled sheets and strips of carbon structural steels and high strength low alloy structural steels GB/T 1220-2007, Stainless steel bars GB/T 1591-2008, High Strength Low Alloy Structural Steels GB/T 2100-2017, Corrosion-resistant steel castings for general applications GB/T 2518-2008, Continuously hot-dip zinc-coated steel sheet and strip GB/T 3077-2015, Alloy structure steels GB/T 3098 (all parts), Mechanical Properties of Fasteners GB/T 3190-2008, Wrought aluminium and aluminium alloy - Chemical composition GB/T 3274-2007, Hot-rolled plates and strips of carbon structural steels and high strength low alloy structural steels GB/T 3280-2015, Cold rolled stainless steel plate, sheet and strip GB/T 3524-2015, Hot-rolled carbon and low alloy structural steel strips GB/T 4226-2009, Cold finished stainless-steel bar GB/T 4237-2015, Hot rolled stainless steel plate, sheet and strip GB/T 4238-2015, Heat-resisting steel plate, sheet and strip GB/T 5277-1985, Fasteners; Clearance holes for bolts and screws GB/T 6967-2009, Martensitic stainless-steel castings for general engineering application GB/T 8162-2008, Seamless Steel Tubes for Structural Purposes ......


JG/T 231-2007 JG CONSTRUCTION INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA Building Glass Skylight System 建筑玻璃采光顶 ISSUED ON. DECEMBER 24, 2007 IMPLEMENTED ON. JUNE 1, 2008 Issued by. Ministry of Housing and Urban-Rural Development of the People’s Republic of China Table of Contents Foreword ... 3  1 Scope ... 4  2 Normative References ... 4  3 Terms and Definitions ... 5  4 Classification and Designation ... 6  5 General Requirements ... 7  6 Material ... 7  7 Performance ... 10  8 Fabrication and Assembling Requirements ... 13  9 Test Methods ... 22  10 Inspection Rules ... 23  Annex A (Informative) General Standards ... 27  Annex B (Normative) Field Rainwater Leakage Test Method ... 29  Foreword Annex A of this Standard is informative; Annex B is normative. This Standard was proposed by the Institute of Standards and Quotas of the Ministry of Housing and Urban-Rural Development of the People’s Republic of China. This Standard shall be under the jurisdiction of the Standardization Technical Committee on Building Products, Components and Parts of the Ministry of Housing and Urban-Rural Development. The responsible drafting organizations of this Standard. China Institute of Building Standard Design & Research and China Academy of Building Research. The participating drafting organizations of this Standard. Guangdong Provincial Academy of Building Research, Beijing Jinyige Curtain Wall Decoration Engineering Co., Ltd., Shenzhen Sanxin Special Glass Technology Co., Ltd., Shenzhen Fangda Decoration Engineering Co., Ltd., Shenyang Yuanda Aluminium Industry Engineering Co., Ltd., Shanghai Hanart Façade Specialist Co., Ltd., Shanghai Kesheng Curtain Wall Co., Ltd., Beijing Shenlong Construction Decoration Engineering Co., Ltd., Hong Kong Kin Long Construction Hardware (Group) Co., Ltd., CSG Holding Co., Ltd., Hangzhou Zhijiang Silicone Chemicals Co., Ltd., Zhuhai King Ceberal Engineering Co., Ltd., Jiangsu Hoovercool Group Co., Ltd., Beijing Jianli Aluminium Doors Windows and Wall Co., Ltd. Zhengzhou Zhongyuan Silande High Technology Co., Ltd., Guangzhou Baiyun Chemical Industry Co., Ltd., Chengdu Guibao Science and Technology Co., Ltd. and Guangdong Golden Curtain Wall Group Co., Ltd.. The main drafters of this Standard. Gu Taichang, Wang Hongtao, Long Wenzhi, Yang Shichao, Ban Guangsheng, Zhang Guixian, Xie Shitao, Cui Qinghui, Zhan Shuwu, Yang Renjie, Hu Zhongming, Wei Donghai, Bai Baokun, Xu Wuyi, Liu Ming, Wang Deqin, He Guoxiang, Sun Deyan, Zhang Deheng, Zhang Guanqi, Li Buchun, Huang Qingwen, Fang Zheng, Liu Huitao and Yu Liyun. This Standard was issued for the first time. Building Glass Skylight System 1 Scope This Standard specifies the terms and definitions, classification and designation, general requirements, materials, performances, fabrication and assembling requirements, test methods, inspection rules and marking, packaging, transportation and storage of the building glass the skylight system (hereinafter referred to as the skylight systems). This Standard applies to the building glass skylight systems; it can be used as a reference for building glass awnings. 2 Normative References The provisions in the following documents become part of this Standard through reference in this Standard. For dated documents, the subsequent amendments (excluding corrigenda) or revisions do not apply to this Standard. However, all parties who enter into agreement based on this Standard are encouraged to study whether the latest versions of these documents are applicable. For undated documents, the latest versions apply to this Part. GB 5237 (all parts), Wrought aluminium alloy – Extruded profile for architecture GB/T 5574, Industrial rubber sheet GB/T 6388, Transport package shipping mark GB/T 8484-2002, Graduation and test method for thermal insulating properties of windows GB/T 8485-2002, The graduation and test method for airborne sound insulating properties of windows GB/T 11944, Insulating glass unit GB/T 11976-2002, Graduation and test method for daylighting properties of windows GB/T 13306, Plate GB/T 15227-2007, Test method of air permeability, water tightness, wind load resistance performance for curtain walls GB 15763.2, Safety glazing materials in building – Part 2. Tempered glass GB 15763.3, Safety glazing materials in building – Part 3. Laminated glass GB 16776, Structural silicon sealants for building GB 17841, Tempered and heat-strengthened glass used in curtain walls GB 50009, Load code for the design of building structures GB 50011, Code for seismic design of buildings GB 50016, Code of design on building fire protection and prevention GB 50045, Code for fire protection design of tall civil buildings GB 50057, Design code for protection of structures against lightning GB 50205, Code for acceptance of construction quality of steel structures JG 138, The support device of point supported glass curtain wall JG/T 174, Rigid plastic thermal barrier strip for buildings JG/T 200, Stainless steel strand for structures JG/T 201, Swaged fitting of steel strand for curtain wall JGJ/T 16, Code for electrical design of civil buildings JC/T 486, Elastic sealants for insulating glass JC/T 882, Sealants for joint glass curtain wall JC/T 914, Hot melt butyl sealant for insulating glass JC/T 915, Heat bent glass HG/T 3100, Specifications for preformed solid vulcanized rubber materials of glass window and panel sealed by building rubber gasket 3 Terms and Definitions For the purpose of this document, the following terms and definitions apply. 3.1 roof plate the plate which directly bears roof load and effect 3.2 6.2 Glass 6.2.1 The glass used for the skylight system shall be safety glass, preferably insulating glass and laminated insulating glass. Glass sheets can be used in accordance with the design requirements, and the thickness of glass sheets shall not preferably be smaller than 6 mm and the thickness of glass sheets of laminated glass shall not preferably be less than 5 mm. 6.2.2 When tempered glass is used for the skylight system, it shall be as specified in GB 15763.2 and heat-strengthened glass shall be as specified in GB 17841 and tempera; tempered glass is preferably treated with secondary homogenizing. 6.2.3 The laminated glass used for the skylight system shall also meet the following requirements, in addition to the requirements of GB 15763.3. a) laminated glass is preferably dry processed with the difference between two sheets of laminated glass is preferably not greater than 2 mm; b) the sealant for laminated glass is preferably polyvinyl butyral (PVB) sealant; the thickness of PVB sealant shall not be less than 0.76 mm; and c) the margins of laminated glass exposed to air shall be seal processed. 6.2.4 The laminated insulating glass used for the skylight system shall meet the following requirements in addition to the provisions in 6.2.3 and GB/T 11944. a) the thickness of the gas layer of insulating glass shall not be smaller than 12 mm; b) insulating glass shall be of dual-sealed structure. the dual sealing of hidden frame glass shall be with silicone structure sealant; c) the sandwich layer of insulating glass shall be located on the lower surface of insulating glass; and d) when the altitude difference between the manufacturing place and the using place or transporting route is greater than 1 000 m, it is preferable to add capillary tubes or breathing tubes to balance the inside and outside pressure differences. 6.2.5 All glass of the skylight system shall be edge ground and chamfered. 6.3 Steel 6.3.1 Carbon structural steel, low-alloy high-strength structural steel and weathering resistant steel and others used for the Support structure of the skylight system shall be as specified in relevant national standards; and corrosion resistant treatment shall be done in accordance with the design requirements. 6.3.2 Stainless steel is preferably austenitic stainless steel whose nickel content shall not be smaller than 8%. 6.6.3 The load-carrying capacity and service life of the hardware accessories shall be capable of meeting the design requirements; the carrying capacity checking computation shall be conducted for the major force-bearing hardware. 6.7 Sealing material 6.7.1 The rubber products shall be as specified in HG/T 3100 and GB/T 5574; they are preferably EPDM, neoprene and silicone rubber. 6.7.2 The properties of silicone structural sealant shall be as specified in GB 16776. Before use, a state-approved testing institution conducts the tests for the compatibility with the organic materials in contact with it and the peeling adhesion performance of the materials adhered; and conducts retests for shore hardness and standard state tensile adhesi... ......

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