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Basic data
| Standard ID | JG/T 342-2012 (JG/T342-2012) |
| Description (Translated English) | Glass and metal guardrail for building |
| Sector / Industry | Building & Construction Industry Standard (Recommended) |
| Classification of Chinese Standard | P32 |
| Classification of International Standard | 91.060.30 |
| Word Count Estimation | 29,233 |
| Quoted Standard | GB/T 699; GB/T 700; GB/T 1591; GB 5237.1; GB 5237.2; GB 5237.3; GB 5237.4; GB 5237.5; GB/T 9286-1998; GB/T 11379; GB/T 13912; GB/T 14155; GB/T 14436; GB 15763.3-2009; GB/T 20878; GB 50009; GB 50096; GB 50352; GB 50368; JGJ 113 |
| Adopted Standard | JIS A6601-2004, NEQ |
| Regulation (derived from) | Bulletin of the Ministry of Housing and Urban 1315; industry standard filing Notice 2012 No. 4 (No. 148 overall) |
| Issuing agency(ies) | Ministry of Housing and Urban-Rural Development of the People's Republic of China |
| Summary | This standard specifies the architectural glass and metal guardrail terms and definitions, classification and marking, materials, requirements, test methods, inspection rules, marking, packaging, transport and storage. This standard applies to the metal r |
JG/T 342-2012: Glass and metal guardrail for building
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS91.060.30
P32
People's Republic of China Construction Industry Standard
Building glass and metal fence
(JISA6601-2004, NEQ)
Released on.2012-02-29
2012-08-01 implementation
People's Republic of China Ministry of Housing and Urban - Rural Development
Directory
Preface III
1 Scope 1
2 normative reference document 1
3 Terms and definitions 1
4 Classification and marking 4
5 material 5
6 Requirements 5
7 Test Method 7
8 Inspection rules 8
9 Marking, packaging, transportation and storage 9
Appendix A (informative) Guardrail Description 11
Appendix B (normative) Anti - level load performance test
Appendix C (normative) Anti - vertical load performance test
Appendix D (normative) Impact test against soft and heavy objects
Appendix E (normative appendix) Impact resistance test against hard and heavy objects 22
Appendix F (normative) Wind pressure simulation static simulation test 24
Foreword
This standard is drafted in accordance with the rules given in GB/T 1.1-2009.
This standard uses the re-drafting method reference JISA6601-2004 "residential balcony and railings with metal components", and JISA6601-
The degree of consistency of.2004 is non-equivalent.
This standard is proposed by the Institute of Standards and Valuation of the Ministry of Housing and Urban-Rural Development.
This standard by the Ministry of housing and urban and rural construction products and structural parts of the product standardization technical committee.
The drafting unit of this standard. Guangdong Kennedy Lang Hardware Products Co., Ltd., Dongguan City, Kennedy good metal products Co., Ltd., China Building superscript
Quasi-design and research institute, China Academy of Building Research, Shenzhen Xinshan Curtain Wall Technology Consulting Co., Ltd., Guangdong Institute of Building Science, Shanghai
City Institute of Building Science, Guangdong Provincial Standardization Research Institute, Taizhou Hilden staircase Limited.
The main drafters of this standard. Wang Jie Tang, Du Wanming, Shang Jing I, Lin Lanlan, Wang Hongtao, Du Jiyu, Yang Shichao, Shi Minxiang,
Huang Huai, He Xuan, Pan Yongjun.
Building glass and metal fence
1 Scope
This standard specifies the terms and definitions of glass and metal fence for construction, classification and marking, materials, requirements, test methods, inspection rules,
Logo, packaging, transportation and storage.
This standard applies to metal railings and metal or glass material fence composed of civil protection fence.
This standard does not apply to fence of non-metallic railings.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, the only dated edition applies to this article
The latest version (including all modifications) applies to this document.
GB/T 699 high quality carbon structural steel
GB/T 700 Carbon structural steel (GB/T 700-2006, ISO 630..1995, NEQ)
GB/T 1591 low alloy high strength structural steel
GB 5237.1 Aluminum alloy building profiles - Part 1. Substrates
GB 5237.2 Aluminum alloy building profiles - Part 2. Anodized profiles
GB 5237.3 Aluminum alloy building profiles - Part 3. Electrophoretic paint profiles
Aluminum alloy building profiles - Part 4. Powder spray profiles
GB 5237.5 Aluminum alloy building profiles - Part 5. Fluorocarbon spray profiles
GB/T 9286-1998 Test for paint and varnish film (eqv, ISO 2409..1992)
GB/T 11379 Metallic coatings for chromium plating (GB/T 11379-2008, ISO 6158..2004, IDT)
GB/T 13912 metal cladding steel parts hot dip galvanizing layer technical requirements and test methods (GB/T 13912-2002,
ISO 1461..1999, MOD)
GB/T 14155 Whole door door soft weight object impact test (GB/T 14155-2008, ISO 8270. 1985, IDT)
General rules for industrial product assurance documents GB/T
Safety glass for construction - Part 3. Laminated glass GB/T
GB/T 20878 stainless steel and heat-resistant steel grades and chemical composition
Specification for load of building structures GB 50009
GB 50096 Residential Design Code
General rules for the design of civil buildings
GB 50368 Residential Building Code
Technical specification for construction glass of JG J113
3 terms and definitions
The following terms and definitions apply to this document.
3.1
Guardrail guardrail
A component consisting of a railing and a fence to prevent the body from passing directly or as a spatial division, code-named HL.
3.1.1
Fence railingpanel
Fence used in the glass plate, metal plate, steel rod, wire or metal mesh to prevent the body directly through the components.
3.1.2
Balustrade balustrade
Composed of columns and handrails, in the fence from the supporting role of the components.
3.1.2.1
Column baluster
Vertically fixed to the main structure of the building, used to support the armrest and glass plate, metal plate, steel rod, cable or metal mesh components.
3.1.2.2
Handrail handrail
Horizontal fixed to the column or building structure, for hand grip as a guide or support the components.
3.2
Formal flushmount
The column is anchored to the tread surface or parallel to the surface of the installation, see Figure 1.
a) Effect Chart b) Side view
1 --- handrail;
2 column
3 --- pull claw pieces;
4 - double fence;
5 --- can tread;
l - column spacing;
h - guardrail height;
H - guardrail height.
Figure 1 mounted fence
3.3
Side mounted sidemount
The column is anchored to the mountable surface of the tread surface. See Figure 2.
a) Effect Chart b) Side view
1 - armrest double racquet;
2 - column splice;
3 --- glass fixture;
4 - fence;
5 --- can tread;
l - column spacing;
h - guardrail height;
H - guardrail height.
Figure 2 side mounted fence
3.4
Fence height validheightofguardrail
The vertical distance from the upper surface of the handrail to the bottom of the column or the center of the base, denoted by h, see Figures 1, 2 and 3.
1 --- handrail;
2 - fence;
3 column
l - column spacing;
h - guardrail height;
H - guardrail height;
b - staircase width.
Figure 3 staircase fence
3.5
Guardrail protection height validprotectionheightofguardrail
The minimum vertical height of the upper surface of the handrail to the tread surface, denoted by H, see Figure 1, Figure 2 and Figure 3.
4 Classification and marking
4.1 Classification and code
4.1.1 According to the use of the environment is divided into.
a) for outdoor use, code-named W;
b) Indoor use, code-named N.
4.1.2 according to the installation method is divided into.
a) is mounted, code-named Z;
b) side mounted, code-named C.
4.1.3 According to the type of bar members are divided into.
a) glass plate fence, code-named BL;
b) metal plate fence, code-named JB;
c) bar guardrail, code-named GJ;
d) metal mesh fence, code-named JW;
e) Cable guardrail, code-named GS.
4.1.4 according to the number of layers of the board is divided into.
a) single-layer fence, code-named 1;
b) double deck, code 2;
c) multi-layer fence, code-named column for the actual number of layers, expressed in Arabic numerals.
4.2 markings
4.2.1 marking method
HL-
Use the environment
Installation method
The type of fence
The number of pallet layers
-JG/T 342
Fence height
4.2.2 Example of marking
Example 1. An indoor single-deck metal fence with a guardrail height h of 1100 mm is marked as.
HL-NZJW1-1100-JG/T 342
Example 2. Ambient side of the fence height h of 1200mm side of the glass plus bar pieces of double fence guard, marked as.
HL-WCBL GJ2-1200-JG/T 342
Example 3. Outdoor single-layer side-mounted glass fence with guardrail height h of 1200 mm, marked as.
HL-WCBL1-1200-JG/T 342
5 material
5.1 stainless steel material should adopt austenitic stainless steel, chemical composition should be consistent with the relevant requirements of GB/T 20878, and Ni content should not be small
At 8.00%, Cr content should not be less than 16.00%.
5.2 High quality carbon structural steel, carbon structural steel and low alloy structural steel should meet GB/T 699, GB/T 700 and GB/T 1591 respectively
The relevant provisions of the surface should take effective anti - corrosion, anti - rust treatment, and should meet the following requirements.
a) hot dip galvanized should meet the relevant provisions of GB/T 13912;
b) chromium plating should be consistent with the relevant provisions of GB/T 11379, should adopt Cu Ni Cr or Ni Cr coating, corrosion resistance requirements should be
Satisfactory Copper Accelerated Acetic Acid (CASS) Test 16h, Corrosion Ointment Corrosion (CORR) Test 16h or Acetate Fog (AASS) Test
96h, and the coating surface is not allowed to pinhole, bubble and metal corrosion and other defects;
c) electrophoretic coating treatment coating thickness should be greater than 21μm, the film thickness should be greater than 12μm;
d) Fluorocarbon coating The average film thickness of the coating should be greater than 30μm;
e) hot dip galvanized surface should not be used as a decorative surface, should adopt polyester powder coating, electrophoresis paint or fluorocarbon spraying;
f) electrophoresis paint and fluorocarbon coating and other surface treatment of wet, dry adhesion should be GB/T 9286-1998 provides the 0 level, grid
Cutting edge is completely smooth, no style off.
5.3 aluminum alloy profiles should be consistent with the relevant provisions of GB 5237.1, the use of anodizing, electrophoresis paint, polyester powder coating, fluorocarbon spray
Coating and other surface treatment, the film thickness and quality should be consistent with GB 5237.2, GB 5237.3, GB 5237.4, GB 5237.5 requirements.
5.4 glass selection and performance should be consistent with JG J113 and the relevant provisions of the current national standards.
6 requirements
6.1 Appearance
Appearance should meet the following requirements.
a) The surface of the fence and handrail should be smooth, with no sharp edges, sharp corners and burrs;
b) welding should be rounded, smooth, should not have cracks, obviously spot welding;
c) no obvious surface abrasions, scratches;
d) polished surface should be no pitting, sandwich and charred defects;
e) coating surface should be no fade, bubbles, from the spot, from the skin, the bottom of the drain and sagging and other defects;
f) the surface of the coating is dense, uniform, no exposed, yellowing, charred and other defects;
g) Anodic oxide film should be dense, no scorch and other defects.
6.2 Dimensions and allowable deviation
6.2.1 Column spacing
Column center spacing should not be greater than 1200mm; staircase rail column center spacing should not be greater than 3 step width.
6.2.2 pole clearance
The clearance of adjacent bars shall not be greater than 110 mm.
6.2.3 Description of the fence
Fence height, assembly and guardrail structure clearance and other related requirements, see Appendix A.
6.2.4 Allowable deviation
The allowable deviation of the guardrail shall be in accordance with Table 1.
Table 1 allows for deviation requirements
The unit is in millimeters
No. Item Allowable deviation
1 column spacing ± 3.0
2 rod spacing 0-3.0
6.3 Mechanical properties
6.3.1 Anti-level load performance
The anti-level load index of the guardrail shall be determined according to the horizontal load at the top of the railings specified in GB 50009, and the load acts on the middle of the two columns
Armrest, the maximum relative displacement of the guardrail should not be greater than 30mm, the relative deflection of the armrest should not be greater than L/250, after unloading 1min
The residual deflection of the armrest should not be greater than L/1000, and there is no relaxation or shedding phenomenon.
6.3.2 Anti-vertical load performance
The maximum deflection of the handrail should not be greater than 1/250; the maximum residual deflection should not be greater than the maximum deflection
l/1000, and does not appear relaxation or shedding phenomenon.
6.3.3 Impact resistance against soft heavy objects
To 45kg impact objects, the impact energy E is 300N · m, followed by the armrest, the impact of the fence, after each hit the measured handrail water
Flat relative displacement should not be greater than h/25, the connection site does not appear relaxation or shedding phenomenon.
6.3.4 Anti-hard weight impact performance
With a solid steel ball weight of 1040g ± 10g, landing height of 1.2m, swing arm impact guardrail glass fence or metal plate fence, fence
There should be no fragments off or the connection should be no relaxation or shedding phenomenon.
6.3.5 Wind pressure resistance
The wind resistance performance index p should be specified in Table 2. Under the action of the wind pressure index value, the relative displacement of the handrail should not be greater than 30mm.
After the wind pressure, the phenomenon of relaxation or shedding is not allowed.
Table 2 Wind pressure performance classification
Grading 1 2 3 4 5 6 7 8 9
Grading index value
p/kPa
1.0≤p
< 1.5
1.5≤p
< 2.0
2.0 ≤ p
< 2.5
2.5 ≤ p
< 3.0
3.0 ≤ p
< 3.5
3.5 ≤ p
< 4.0
4.0≤p
< 4.5
4.5 ≤ p
< 5.0
p ≥ 5.0
7 test method
7.1 Specimen requirements
With 3 sets of columns, 1 set of handrails and 2 sets of fence assembly as a test piece. Two column spacing l should be the actual size requirements, no requirements
Size by 1200mm; specimen length L for the distance l 2 times.
7.2 Appearance
Using hand test, visual inspection carried out.
7.3 Size and allowable deviation
Using ruler, steel tape, vernier caliper to test.
7.4 Mechanical properties
7.4.1 Anti-level load performance
Anti-level load performance test shall be carried out in accordance with Appendix B.
7.4.2 Anti-vertical load performance
The test for vertical load performance shall be carried out in accordance with Annex C.
7.4.3 Impact resistance against soft and heavy objects
Anti-soft objects impact test should be carried out according to Appendix D.
7.4.4 Impact resistance against hard and heavy objects
Anti-hard objects impact test should be carried out according to Appendix E.
7.4.5 Wind pressure resistance
The static simulation test of wind pressure resistance shall be carried out according to Appendix F.
7.4.6 Mechanical performance test items and sequence
7.4.6.1 Mechanical performance test should be based on the actual use of the fence, the specific test items in accordance with the provisions of Table 3.
Table 3 Mechanical performance test items
Performance project
Glass fence metal plate fence railings fence cable fence steel mesh fence
Indoor and outdoor indoor and outdoor indoor indoor outdoor outdoor indoor and outdoor
Anti-level load performance ◎ ⓞ ⓞ ⓞ ⓞ ⓞ ⓞ ⓞ ⓞ ⓞ
Anti-vertical load performance ⓞ ⓞ ⓞ ⓞ ⓞ ⓞ ⓞ ⓞ ⓞ ⓞ
Anti-soft object impact performance ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎
Anti-hard objects Impact performance ◎ ◎ ○ ○ - - - - - -
Wind pressure resistance - ◎ - ◎ - - - - - -
Note. ◎ for the inspection items; ○ for the optional test items.
7.4.6.2 Mechanical performance test sequence and after each test, the reusable components are in accordance with the requirements of Table 4.
Table 4 Test Order and Component Reuse Options Table
Inspection sequence number inspection items
Reusable components
Column handrails
1 anti - level load performance - ▲
2 against vertical load performance a △ - ▲
3 Impact against soft weight objects - ▲ ▲
4 impact resistance of hard objects. ▲ ▲ ▲
5 wind pressure performance - ▲ ▲
Note. ▲ for reusable; △ for selective reuse; - for non-reusable.
a vertical load performance test, the fence column can be reused, side mounted fence column should not be reused.
8 inspection rules
8.1 Inspection Classification
8.1.1 Product inspection is divided into factory inspection and type inspection.
8.1.2 The factory inspection items are all items in 6.1 and 6.2.
8.1.3 Type inspection items are all items in 6.1 to 6.3.
8.2 Factory inspection
8.2.1 Group Batch and Sampling Rules
8.2.1.1 The appearance is full inspection.
8.2.1.2 Size and allowable deviation test, 3 samples are randomly selected from each factory inspection (delivery) batch.
8.2.2 Judgment and re-inspection rules
8.2.2.1 appearance of the full inspection, in line with the requirements of the product requirements of the factory, unqualified products should be based on the situation for repair or report
Waste treatment.
8.2.2.2 size and allowable deviation test, in each test items, one and no more than one sample does not meet the standard requirements, should be from
The original batch of double inspection of this test items, when the re-examination is still not qualified, then determine the batch failed.
8.3 Type inspection
8.3.1 Check the timing
A type test shall be carried out when one of the following conditions is encountered.
a) new products or old products to the factory production of stereotypes identification;
b) after the formal production, the product of raw materials, construction or production process has a greater change, may affect the performance;
c) When the product is discontinued for more than one year,
d) Normal production should be tested once every two years;
e) When the State Quality Supervision Agency proposes to carry out the type inspection requirements.
8.3.2 Group Batch and Sampling Rules
Each type of inspection approved by the same batch of raw materials, the same specifications model, any one factory inspection batch, all products assembled after the length of not less than
500m of the product composition; in accordance with the requirements of Table 5, in the inspection batch randomly selected samples for type testing.
Table 5 Product inspection items and sampling
Inspection Type Inspection Item Sampling Requirement The chapter number of the chapter number inspection
Type test
Appearance 3 pieces, after assembly inspection 6.1 7.2
Size and allowable deviation of three specimens, after assembly inspection 6.2 7.3
Anti - level load performance
Anti - vertical load performance
Anti - soft weight object impact performance
Anti - hard weight object impact performance
Wind pressure resistance
1 specimen
6.3.1 7.4.1
6.3.2 7.4.2
6.3.3 7.4.3
6.3.4 7.4.4
6.3.5 7.4.5
8.3.3 Judgment and re-examination rules
Sampling all the products meet the 6.1 ~ 6.3 in the project to determine the type of qualified.
Appearance, size and allowable deviation test, in each test items, 1 and no more than one sample does not meet the standard requirements, should be from the original
Batch in the inspection of the project re-examination, when the re-examination is still unqualified, then determine the batch failed.
Mechanical performance test items in accordance with the requirements of 7.4.6, if a specimen does not meet the requirements of this standard, anti-level load performance,
Determine the failure of other mechanical properties, from the batch of products can be extracted from the three test pieces of nonconforming items to test, still does not meet the requirements, then
To determine the batch failed.
Mechanical performance test, should be carried out in order to test the project to determine the qualified, and then the next test items, or termination of inspection.
9 Marking, packaging, transportation and storage
9.1 mark
9.1.1 The following permanent signs shall be present at the site which does not affect the effect of the product decoration.
a) manufacturer or trademark;
b) Type or mark.
9.1.2 The following shall be marked in the obvious parts of the product packaging and shall comply with the provisions of GB/T 14436.
a) manufacturer name and trademark;
b) the standard number, product name and type, quantity and weight of the product;
c) production date, inspection lot number or number.
9.1.3 product packaging should be accompanied by product manual, packing list and product certification, product manual should include product description,
Installation instructions, instructions and maintenance instructions, product certification should include the following.
a) product name, trademark, mark and implementation product standard number;
b) material, surface treatment;
c) the date of manufacture of the fence product, the date of inspection, the date of manufacture, the signature of the inspector and the manufacturer's quality inspection seal;
d) manufacturer's name, address and service call;
e) User name.
9.2 Packaging, transport and storage
9.2.1 Fence columns, handrails, fences and other components should be non-corrosive material packaging.
9.2.2 The packing box should be strong to prevent moisture and collision.
9.2.3 in the transport, storage process, should avoid rain, impact, and in a dry, ventilated environment storage, to avoid corrosive media erosion.
Appendix A
(Informative)
Fence related instructions
A.1 fence height
A.1.1 can be tread
Tread surface should comply with the relevant provisions of GB 50352. Side mounted fence armrest lower part of the height of not more than 450mm platform, handrail
When the width of the platform is greater than 65 mm, the platform shall be regarded as a tread surface, see Figure A.1.
The unit is in millimeters
1 --- handrail;
H - guardrail height.
Figure A.1 Side-mounted fence can be tread
A.1.2 Guardrail protection height
When the upper edge of the fence is higher than the upper hand of the handrail, the height of the fence is not higher than that of the fence. See Figure A.2.
a) The fence is above the armrest b) The fence is below the handrail
1 --- armrest; H - guardrail height;
2 --- fence; H '--- the highest size of the fence;
3 --- can tread.
Figure A.2 Guardrail protection height indicated
A.1.3 Guardrail height and guardrail height
Guard rail protection height should be consistent with GB 50096, GB 50352 and GB 50368 of the relevant provisions.
The height of the fence in different installation methods is the height of the fence protecti...
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