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Anchors for fixing of thermal insulation composite systems
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Basic data
| Standard ID | JG/T 366-2012 (JG/T366-2012) |
| Description (Translated English) | Anchors for fixing of thermal insulation composite systems |
| Sector / Industry | Building & Construction Industry Standard (Recommended) |
| Classification of Chinese Standard | P32 |
| Classification of International Standard | 91.060.01 |
| Word Count Estimation | 19,143 |
| Quoted Standard | GB 5101-2003; GB/T 5267.1; GB/T 8170-2008; GB 8239-1997; GB 11945-1999; GB 11968-2006; GB 13544-2000; GB 13545-2003; GB/T 15229-2002; JCJ 51-2002; JC 239-2001; JC/T 637-1996 |
| Regulation (derived from) | Bulletin of the Ministry of Housing and Urban No. 1298; industry standard filing Notice 2013 No. 1 (No. 157 overall) |
| Issuing agency(ies) | Ministry of Housing and Urban-Rural Development of the People's Republic of China |
| Summary | This standard specifies the exterior wall anchors terms and definitions, classification and marking, general requirements, requirements, test methods, inspection rules, marks, and product brochures, packaging, transportation and storage. This standard app |
JG/T 366-2012: Anchors for fixing of thermal insulation composite systems
---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.
ICS91.060.01
P32
People's Republic of China Construction Industry Standard
External wall insulation bolt
Released on.2012-02-09
2012-08-01 implementation
People's Republic of China Ministry of Housing and Urban - Rural Development
Foreword
This standard is drafted in accordance with the rules given in GB/T 1.1-2009.
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.
This standard is responsible for drafting units. China Building Standard Design and Research Institute.
This standard participates in the drafting unit. Hui fish (Taicang) Construction Anchor Co., Ltd., Beijing University of Technology, China Academy of Building Research, Shanghai
Building Science Research Institute (Group) Co., Ltd., Hilti (China) Trading Company, Zhejiang Everbright Fiberglass Co., Ltd.,
(Beijing) Technology Development Co., Ltd.
The main drafters of this standard. Li Xiaoming, Gu Taichang, Chen Huijun, Huang Zheng, Sun Shibing, Yang Zhi, Zhao Min, Zhang Zhi, Wei Jianwei, Du Chao, Pang Yongqiang.
External wall insulation bolt
1 Scope
This standard specifies the term and definition, classification and marking of general wall anchors for external wall insulation, general requirements, requirements, test methods, inspection rules,
And product brochures, packaging, transportation and storage.
This standard applies to fixed in the concrete, masonry wall, to paste the main, mechanical anchoring, supplemented by external wall insulation system attached
Anchor used for anchoring.
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 5101-2003 Sintered Ordinary Bricks
GB/T 5267.1 Fastener plating
Representation and Judgment of Numerical Correction Rule and Limit Value in GB/T 8170-2008
Ordinary concrete small hollow block GB 8239-1997
Autoclaved lime - sand bricks
Autoclaved aerated concrete blocks GB 11968-2006
Sintered Porous Bricks for GB 13544-2000
Sintered hollow bricks and hollow blocks GB 13545-2003
Lightweight aggregate concrete small hollow block GB/T 15229-2002
Technical specification for lightweight aggregate concrete
JC239-2001 fly ash brick
Autoclaved gray sand hollow bricks - JC/T 637-1996
3 terms and definitions
The following terms and definitions apply to this document.
3.1
Anchor for external wall insulation
By the expansion and expansion of the casing composition, or only by the expansion of the casing, relying on the expansion of the friction or mechanical locking effect connected to the insulation
System and the base wall of the mechanical fixture, referred to as anchor.
3.2
Disc anchor
Used for fixing insulation material, expansion sleeve with anchor bolt.
3.3
Flange anchor profile
For the use of fixed insulation system with the bracket, the expansion sleeve without a disc with a flange of the bolt.
3.4
Expansionware
A member for extruding an expansion sleeve to produce an expansion force.
3.5
Percussion anchor nailed-inanchor
A bolt of an expansion force or an expansion sleeve that squeezes the borehole wall to create an expansion force.
3.6
Screwed-inanchor
Extend the expansion member into the expansion sleeve to squeeze the casing through the borehole wall, creating an anchor force for expansion or mechanical locking.
3.7
Grass - roots wall
Insulation system attached to the external walls.
3.8
Grass-roots wall test pieces sampleforsubstrates
In the different types of grass-roots walls of the anchor to test the performance of the anchor bolt used to test the specimen.
Category and Marking
4.1 Classification
4.1.1 In accordance with the bolt structure is divided into disk anchor (code Y) and flange bolt (code T), bolt diagram see Appendix A.
4.1.2 In accordance with the bolt installation method is divided into screw-in anchor (code X) and percussion anchor (code Q).
4.1.3 According to the anchor bearing mechanism is divided into only by friction bearing anchor (code C), and by friction and mechanical lock bearing anchor
(Code J).
4.1.4 According to the expansion of the bolt and expansion casing material is divided into carbon steel (code G), plastic (code S), stainless steel (code B).
4.2 markings
The bolt is marked by the classification, installation, bearing mechanism, anchor code, casing diameter × casing length, expansion casing material, expansion
The material composition of the material.
Example 1. percussion disc anchor, through the friction bearing, expansion sleeve diameter 8mm, expansion sleeve length 90mm, plastic expansion casing, plastic expansion parts, standard
Remember. YQCM-8 × 90SS
Example 2. Screw-in flange bolts, friction and mechanical locking load, expansion sleeve diameter 8mm, expansion sleeve length 115mm, plastic expansion sleeve, plating
Zinc carbon steel expansion parts, marked as. TXJM-8 × 115SG
5 General requirements
5.1 Anchor bolts can be used in the following categories of base walls.
a) ordinary concrete base wall (class A);
b) solid masonry floor (class B), including sintered ordinary brick, autoclaved lime bricks, autoclaved fly ash brick masonry and light aggregate coagulation
Earth wall
c) Porous brick masonry floor (class C), including sintered porous brick, autoclaved lime sand porous brick masonry wall;
d) Hollow block base wall (class D), including ordinary concrete small hollow block, light aggregate concrete small hollow block wall;
e) Autoclaved aerated concrete base wall (class E).
5.2 plastic expansion parts and plastic expansion casing should be used in the original polyamide (Polyamide6, Polyamide6.6), polyethylene (Polyeth-
ylene) or polypropylene (Polypropylene), should not use recycled materials.
5.3 steel expansion and expansion casing should be made of stainless steel or surface corrosion treatment of carbon steel; when the use of electro-galvanized treatment should be
In accordance with the provisions of GB/T 5267.1. Parts of the mechanical properties, size, tolerances and roughness should meet the design drawings and in line with the current relevant countries
Home standard.
5.4 different types of grass-roots walls, should use different types of anchor, and should meet the following requirements.
a) Class C base wall should be selected by friction and mechanical locking bearing anchor.
b) Class D base walls shall be of anchor bolts which are carried by friction and mechanical locking.
5.5 for the rock wool external wall insulation system, the choice of disc diameter of 140mm disc anchor.
5.6 The thickness of the base wall of the bolt shall not be less than 100mm; the thickness of the base wall shall not include the leveling layer or the thickness of the facing layer.
5.7 anchor anchor effective depth should not be less than 25mm, the minimum allowable margin of 100mm, the minimum allowable spacing of 100mm.
5.8 When the actual construction of the grass-roots wall in the material type, strength level, hole shape and location, the number of ribs and thickness, etc. with the Appendix
C specified in the test base wall test block is different or can not be clearly determined, should be used in the actual use of the wall material
Drawing test to determine the anchor bearing capacity of the standard value, the test method see Appendix B of this standard.
5.9 The minimum installation temperature of the bolt should be 0 ° C.
6 requirements
6.1 Dimensions and tolerances
Disc diameter of the disc should not be less than 60mm diameter, tolerance of ± 1.0mm. Expansion tube diameter should not be less than the nominal diameter
8mm, tolerance is ± 0.5mm.
6.2 Bolt tensile capacity of the standard value
The standard value of the tensile bearing capacity of the bolt under the standard test conditions shall meet the requirements of Table 1.
Table 1 standard test conditions under the bolt bearing capacity of the standard value of the unit for the thousand cattle
project
Performance
Class A Base Wall B Class Grass Roof C Class Base Wall D Class Base Wall E Class Basic Wall
Bolt Tensile Bearing Capacity Standard Value Fk ≥0.60 ≥0.50 ≥0.40 ≥0.30 ≥0.30
Note. When the anchor does not apply to a certain type of grass-roots wall, do not do the corresponding tensile bearing capacity standard value detection.
6.3 Standard value of anti - pull force of bolt
Standard value of the bolt under the standard test conditions should meet the requirements of Table 2.
Table 2 standard test conditions under the bolt bolt resistance to the standard value of the unit for the thousand cattle
Project performance indicators
The standard value of the anti-pull force of the disc is FRk ≥0.50
6.4 The effect of bit wear on the standard value of tensile load resistance
Drill wear on the bolt bearing capacity of the standard value of the impact should be consistent with the requirements of Table 3.
Table 3 drill bit wear on the anchor bearing capacity of the standard value of the impact
Drill Diameter/mm Bolt Tensile Bearing Capacity Standard Value
dmaxa ≥0.8Fk
dminb ≥Fk
admax --- the maximum allowable positive drill bit margin of the new drill bit, see Table 5.
bdmin --- severely worn drill bit diameter, see Table 5.
6.5 Relaxation performance of the bolt
After installation of the anchor bolt for 500h, the tensile bearing capacity of the bolt should not be lower than Fk.
6.6 Influence of Ambient Temperature on Standard Value of Anchor Bearing Capacity
At different temperatures, the tensile bearing capacity of the anchor should meet the requirements of Table 4.
Table 4 Tensile bearing capacity of anchor bolts at different temperatures
Standard values for tensile strength of anchor bolts for ambient temperature
Minimum ambient temperature 0 ° C ≥Fk
Maximum ambient temperature 40 ℃ ≥0.8Fk
6.7 Damage torque of screw-in anchor
The ratio of the breaking torque Tu and the installed torque Tinst of the screw-in bolt, the minimum value of 10 test results should not be less than 1.3, and nine
The test results should not be less than 1.5.
7 test method
7.1 Standard test conditions
7.1.1 The standard test environment is air temperature (23 ± 5) ℃, relative humidity is (50 ± 10)%.
7.1.2 The size of the base wall test block shall meet the relevant requirements for the installation of bolts in 5.6 and 5.7.
7.1.3 The diameter of the drill bit used in the test shall meet the requirements of Table 5.
Table 5 Drill diameter requirements in millimeters
Nominal diameter
Diameter range
dmin dma dmax
6 6.05 to 6.15 6.20 to 6.30 6.35 to 6.40
7 7.05 ~ 7.20 7.25 ~ 7.35 7.40 ~ 7.45
8 8.05 ~ 8.20 8.25 ~ 8.35 8.40 ~ 8.45
10 10.10 ~ 10.20 10.25 ~ 10.35 10.40 ~ 10.45
adm --- medium wear bit edge diameter.
7.2 Numerical correction
In determining whether the measured value or its calculated value meets the standard requirements, the measured value of the test or its calculated value shall be calculated in accordance with the standard
Limit the number of comparison, the comparison method using GB/T 8170-2008 in Chapter 4 of the repair value of the comparison method.
7.3 Dimensions and tolerances
Using the accuracy of 0.02mm vernier caliper measurement, reading and recording, the number of tests 5.
7.4 Bolt Tensile Bearing Capacity Standard Value
Under the standard test conditions, the standard value of the tensile bearing capacity of anchor bolts in all kinds of primary wall should be tested according to Appendix C of this standard.
7.5 Standard value of anti - pull force of bolt
Under the standard test conditions, the standard value of the anti - pull force of the bolt disc in all kinds of grass - roots walls shall be tested according to Appendix D of this standard.
The Effect of Drill Wear on the Standard Value of Tensile Bearing Capacity of Anchor Bolt
7.6.1 Test equipment
Continuous smooth loading of the drawing instrument.
7.6.2 Test procedure
With dmin and dmax drill bit in the grass-roots wall test block installed on the five anchor, according to the standard Appendix C test method for drawing test.
Drill diameter range should meet the requirements of Table 5.
7.6.3 Test results
Shall be calculated in accordance with the requirements of Appendix C.3 of this Standard.
7.7 Relaxation performance of anchor
7.7.1 Test equipment
Continuous smooth loading of the drawing instrument.
7.7.2 Test procedure
Installation of bolts on the test blocks of the base wall shall not limit the lateral expansion of the test pieces of the base wall, according to the installation method provided by the manufacturer
Installation, drill diameter dm, anchor number 5.
After installation, after 500h in the absence of load conditions, should be in accordance with the standard Appendix C test method for drawing test.
7.7.3 Test results
Shall be in accordance with the requirements of Appendix C.3 of this Standard.
The Influence of Ambient Temperature on the Standard Value of Anchor Bearing Capacity
7.8.1 Effect of maximum ambient temperature
7.8.1.1 Test equipment
Can be continuously smooth loading of the drawing instrument, can be continuously smooth and can be heated at a constant temperature of the oven.
7.8.1.2 Test conditions
At standard ambient temperature, the anchor was installed in a concrete test block, placed in a constant temperature oven, and stored at a temperature of (40 ± 2) ° C for 24 h.
7.8.1.3 Test procedure
After the test piece is removed from the oven, the drawing test is carried out in 5 minutes according to the test method of Appendix C of this standard.
7.8.1.4 Test results
Shall be in accordance with the requirements of Appendix C.3 of this Standard.
7.8.2 Effect of minimum ambient temperature
7.8.2.1 Test equipment
Can be continuously smooth loading of the drawing instrument, refrigerator.
7.8.2.2 Test conditions
In the standard ambient temperature, the anchor bolt installed in the concrete test block, into the refrigerator, at (0 ~ 2) ℃ temperature for 24h.
7.8.2.3 Test procedure
After the test block is removed from the refrigerator, it is carried out within 5 minutes according to the requirements of Appendix C.3 of this standard.
7.8.2.4 Test results
Shall be in accordance with the requirements of Appendix C.3 of this Standard.
7.9 Damage torque of screw-in anchor
7.9.1 Test equipment
The reading is accurate to a torque wrench of 0.01 N · m.
7.9.2 Test procedure
The anchor will be placed in the grass-roots wall test block, and should not limit the lateral expansion of the base wall test block. According to the manufacturer's installation method
And installation torque Tinst for installation, drill diameter dm, anchor number 10.
After installation, use a torque wrench to twist the expansion part and increase the torque until the bolt is broken. The torque reading at this time is the breaking torque Tu.
7.9.3 Test results
Should be according to formula (1), damage torque divided by the manufacturer to provide the installation torque, the coefficient β.
β =
Tu
Tinst
(1)
Where.
Tu --- damage torque;
Tinst --- installation torque.
8 inspection rules
Product inspection points factory inspection and type inspection.
8.1 Test items
8.1.1 Factory inspection items
The factory inspection items for the size and tolerance, as well as the standard conditions of ordinary concrete basement wall test block in the bolt bearing capacity of the standard value.
8.1.2 Type inspection items
Type inspection is required for all of the requirements specified in Chapter 6. A type test shall be carried out in any of the following cases.
a) normal production, every three years to conduct a type test;
b) identification of new products;
c) when the product design, materials, technology, production equipment, management and other aspects of a greater change;
d) the production of products to the factory or product shutdown for more than one year to resume production;
e) when the factory inspection results have a greater difference from the last time, when a major quality accident occurs;
f) When the national quality supervision agency requires the type inspection.
8.2 Group Batch Rules
8.2.1 factory inspection group approved
Inspection group approved by the same materials, technology, equipment and other conditions, the production of the same type of bolt products, in the normal production, size and public
Poor inspection should be 5000 for a test batch, less than 5000 still according to a test batch calculation; under the standard conditions of ordinary concrete base wall
Tensile bearing capacity of the test piece to 25,000 as a test batch, less than 25,000 still according to a test batch calculation.
Test samples should be randomly selected, the number of samples per batch 10. If the size and tolerance test for 15 batches of a test pass, while the standard
Under the ordinary concrete base wall test block in the tensile capacity of the standard value of the test for three consecutive tests through the test can be the former batch
Increased to 10,000, the latter batch of inspection increased to 50,000.
8.2.2 Type Inspection Group Batch
In the model, materials, technology and equipment of the same products to 50,000 as a test lot, less than 50,000 still according to a test batch
Check that the sample should be randomly selected, the number of samples to meet the provisions of Chapter 7.
8.3 Judgment and re-inspection rules
8.3.1 Inspection and inspection rules for factory inspection
8.3.1.1 The size and tolerances of the anchors shall meet the requirements of 6.1 and the item is qualified; if one of the indicators does not meet the requirements,
Re-examination, re-examination is still not meet the requirements of the project, then the batch of products failed. There are two or more do not meet the requirements of the batch of products
qualified.
8.3.1.2 Under the standard conditions, the standard value of the tensile bearing capacity of the anchor in the ordinary concrete foundation wall meets the requirements of Table 1.
Grid; if you do not meet the requirements, should be double sampling re-examination; re-inspection indicators still do not meet the requirements, then the batch of products failed.
8.3.1.3 The size and tolerances of the anchors, as well as the standard values of the tensile strength of the anchors in the ordinary concrete base blocks under standard conditions
Qualified, then the batch of qualified products.
8.3.2 Type inspection and review rules
Type test all items meet the requirements, the product qualified; if there is a meeting does not meet the requirements, should double the sample re-examination, re-examination is still item
If the product does not meet the requirements, then the product is not qualified. There are two or more do not meet the requirements, the product failed.
9 logo and product brochure
9.1 mark
9.1.1 A clear mark shall be made in the prominent position of the bolt and the main body of the bolt, and the mark shall include the product marking and system specified in this standard
Manufacturer logo.
9.2 Product brochure
The product description should have the following contents.
a) specifications, size
--- specification model;
--- anchor main dimensions. expansion sleeve diameter, anchor length, disc diameter, effective depth of anchor, anchor thickness.
b) the main parts of the bolt material and surface treatment
---material report;
--- Surface treatment report.
c) anchoring performance parameters (for different grass-roots walls should be given separately)
--- standard value of tensile bearing capacity;
- the minimum margin allowed with the base wall, the minimum spacing of the anchor;
--- minimum base wall thickness.
d) Installation requirements
--- installation dimensions. drilling depth, aperture, screw-in bolt installation torque;
--- installation requirements. such as installation, installation steps and precautions (appropriate illustrations);
--- installation tools. such as drilling tools, drill bits, screwdrivers, hammers and special tools.
e) other
--- factory name, trademark, site;
--- Product icon;
--- other necessary information.
9.3 certificate
System and composition materials should have product certification, product certification should be provided when the product delivery.Product certificate should include the following.
a) product name, standard number, trademark;
b) name and address of the manufacturer;
c) product specifications, type;
d) production date, quality assurance period;
e) inspection department seal, inspection personnel code.
10 Packaging, transportation and storage
10.1 Packaging
10.1.1 Product packaging Under normal conditions of transportation and storage, the product should be protected from damage and ease of use.
10.1.2 box, box appearance should have the following content.
a) manufacturer name, trademark, site;
b) the product markings specified in this standard;
c) the number of products or net weight;
d) manufacture or date of manufacture;
e) Production lot number.
10.1.3 box, the box should have a product certificate (or each batch of products with a warranty), product installation instructions (appropriate illustrations).
10.2 Transport
During the transport process should avoid rain and snow directly attack and contact with corrosive substances, to prevent mechanical damage.
10.3 Storage
Should be stored in the normal environmental conditions of the room.
Appendix A
(Informative)
The main type of anchor diagram
A.1 Friction bearing disc anchor diagram
A.1.1 Schematic diagram of the expansion part shown in Figure A.1.
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