JG/T 163-2013 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| JG/T 163-2013 | English | 305 |
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Couplers for Rebar Mechanical Splicing
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| JG 163-2004 | English | 639 |
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Rolled parallel thread splicing of rebars
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JG/T 163-2013: Couplers for Rebar Mechanical Splicing---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/JGT163-2013
CONSTRUCTION INDUSTRY STANDARD
ICS 93.020
P 25
Replacing JG 163-2004, JG 171-2005
Couplers for Rebar Mechanical Splicing
Issued on. APRIL 27, 2013
Implemented on. OCTOBER 1, 2013
Issued by. Ministry of Housing and Urban-Rural Development of the
People’s Republic of China
Table of Contents
Foreword... 3
1 Scope... 6
2 Normative References... 6
3 Terms and Definitions... 7
4 Classification, Type and Marking... 9
5 Requirements... 13
6 Test Methods... 18
7 Inspection Rules... 21
8 Marking, Packaging, Transportation and Storage... 26
Appendix A (normative) Table of Minimum Dimension Parameters of Parallel
Threaded Couplers for Rebar Mechanical Splicing... 29
Appendix B (normative) Test Methods of Test Piece of Splice... 31
Appendix C (normative) Type Inspection Report of Test Piece of Splice... 37
Appendix D (informative) Format of Product Certificate of Couplers for Rebar
Mechanical Splicing... 43
Appendix E (informative) Format of Quality Certificate of Couplers for Rebar
Mechanical Splicing... 44
1 Scope
This Standard stipulates the terms, definitions, classification, types and marking,
requirements, test methods, inspection rules, mark, packaging, transportation and
storage of couplers for rebar mechanical splicing.
This Standard is applicable to parallel threaded coupler, taper threaded coupler and
coupler for squeezing sleeve splicing of rebars for rebar mechanical splicing in
concrete structure. The couplers described in this Standard are applicable to the
splicing of all types of rebars with the diameter of 12 mm ~ 50 mm, which comply with
the stipulations in GB 1499.2 and GB 13014.Couplers for the splicing of plain round
rebars, stainless steel rebars and foreign rebars may take this Standard as a reference.
2 Normative References
The following documents are indispensable to the application of this document. In
terms of references with a specified date, only versions with a specified date are
applicable to this document. In terms of references without a specified date, the latest
version (including all the modifications) is applicable to this document.
GB/T 197 General Purpose Metric Screw Threads - Tolerances
GB/T 228.1 Metallic Materials - Tensile Testing - Part 1.Method of Test at Room
Temperature
GB/T 230.1 Metallic Materials - Rockwell Hardness Test - Part 1.Test Method (scales
A, B, C, D, E, F, G, H, K, N, T)
GB/T 699 Quality Carbon Structural Steels
GB/T 700 Carbon Structural Steels
GB/T 702 Hot-rolled Steel Bars - Dimensions, Shape, Weight and Tolerances
GB 1499.2 Steel for the Reinforcement of Concrete - Part 2.Hot Rolled Ribbed Bars
GB/T 2975 Steel and Steel Products - Location and Preparation of Samples and Test
Pieces for Mechanical Testing
3 Terms and Definitions
The following term and definition are applicable to this Standard.
3.1 Rebar Mechanical Splicing
Rebar mechanical splicing refers to a splicing method which transmits force in one
steel reinforcing bar to another steel rebar through the mechanical occlusion effect
between the rebar and the coupler, or the load-bearing effect on the end face of the
steel rebar.
3.2 Coupler
Coupler refers to steel sleeve for mechanical splicing of steel rebars; it may transmit
axial tensile force or pressure of steel rebars.
3.7 Parallel Threaded Coupler for Splicing Rebars with Threads Roll on to
Rebar End
Parallel threaded coupler for splicing rebars with threads roll on to rebar end refers to
parallel threaded coupler which may be spliced with threads roll on to rebar end.
3.8 Taper Threaded Coupler
Taper threaded coupler refers to a threaded coupler which may be spliced with taper
threads of steel rebars and has taper threaded inner hole.
3.15 Threaded Coupler with One Slope at Thread End
Threaded coupler with one slope at thread end refers to a parallel threaded coupler
which has an internal chamfer for the centering of steel rebars on one end and
extended length than the standard coupler.
3.16 Thread Plug Gauge
Thread plug gauge refers to a measuring appliance which has consistent thread profile
with the thread being tested and can reflect the boundary conditions of the inner thread
being tested.
4 Classification, Type and Marking
4.1 Classification
In accordance with the type of rebar mechanical splices, coupler may be classified into
parallel threaded coupler, taper threaded coupler and coupler for squeezing sleeve
splicing of rebars. Furthermore, parallel threaded coupler may be classified into
parallel threaded coupler for splicing rebars with upsetting end, parallel threaded
coupler for splicing rebars with rib stripped before rolling of threads, parallel threaded
coupler for splicing rebars with threads roll on to rebar end.
4.2 Type
4.2.1 Parallel threaded coupler
There are four commonly used types of parallel threaded coupler. standard coupler for
parallel threaded splicing of rebars, parallel threaded coupler with different inner
diameter, parallel threaded coupler with left and right hand thread, parallel threaded
coupler with one slope at thread end, as it is shown in Figure 1.
4.2.3 Coupler for squeezing sleeve splicing of rebars
There are two commonly used types of coupler for squeezing sleeve splicing or rebars.
standard coupler for squeezing sleeve splicing of rebars, coupler for squeezing sleeve
splicing of rebars with different inner diameter, as it is shown in Figure 3.
4.3 Marking
4.3.1 Method of marking
The marking of couplers shall be constituted of four parts. name code, type code, main
parameter (strength grade of rebar) code and main parameter code (nominal diameter
of rebar), etc.
4.3.2 Examples
5 Requirements
5.1 Raw Materials
5.1.1 Threaded coupler
The raw materials of threaded coupler shall comply with the following requirements.
5.1.2 Coupler for squeezing
The raw materials of coupler for squeezing shall select appropriate calendering steel
products in accordance with the designation of steel rebars to be spliced. Quality
carbon structural steels with the designation of No. 10 and No. 20, or, carbon structural
steels with the designation of Q235 and Q275 should be selected. The shapes and
mechanical properties shall comply with the stipulations in GB/T 700, GB/T 702 and
GB/T 8162; the actually tested mechanical properties shall comply with the stipulations
in Table 1.
5.2 Shapes of Coupler
5.2.1 Threaded coupler
The shapes of threaded coupler shall comply with the following requirements.
5.2.2 Coupler for squeezing
The shapes of coupler for squeezing shall comply with the following requirements.
5.3 Dimensions and Tolerances of Coupler
5.3.2 Taper threaded coupler
The dimensions and tolerances of taper threaded coupler shall comply with the
following requirements.
5.3.3 Coupler for squeezing
The dimensions and tolerances of coupler for squeezing shall comply with the following
requirements.
5.5.2 Inspection of products being manufactured
Inspection items of couplers being manufactured shall at least include. external
diameter, internal diameter, length and thread dimensions.
5.5.3 Traceability
The traceability of coupler manufacture shall comply with the following requirements.
5.6 Anti-rust
Before exiting factory, couplers shall have anti-rust measures.
6 Test Methods
6.1 Raw Materials
6.1.1 Sampling
The sampling of raw materials of coupler shall comply with the stipulations in GB/T
2975.
6.2 Coupler
6.2.1 Shapes, dimensions and threads
The inspection items of the shapes, dimensions and threads of coupler, the measuring
tools, gauges and inspection methods shall comply with the stipulations in Table 7.
6.2.2 Mechanical properties
7 Inspection Rules
7.1 Raw Materials
7.1.1 Inspection conditions
The inspection of raw materials of coupler shall be conducted before the manufacture
of coupler.
7.2 Coupler
7.2.1 Classification
There are two types of coupler inspection. exit-factory inspection and type inspection.
7.2.2 Exit-factory inspection
The exit-factory inspection of coupler shall comply with the following requirements.
8 Marking, Packaging, Transportation and Storage
8.1 Marking
8.1.1 Composition
On the surface of coupler, distinct and durable marking shall be imprinted. The marking
shall include marks, code of manufacturer and manufacture batch No. that allows
traceability to the performance of raw materials that comply with the stipulations in 4.3.
The code of manufacturer may be characters or patterns. Manufacture batch No. may
be figures, or a combination of figures and symbols.
8.2 Packaging
8.2.1 Packaging materials and surface marks
Couplers exiting factory shall adopt cardboard boxes, woven bags or other reliable
bags. On the surface of the packaging materials, indicate the name of product, type of
coupler, quantity, applicable rebar specifications, date of manufacture, manufacture
batch No., and name, address and contact information of manufacturer, etc.
8.3 Transportation and Storage
During the transportation and storage, couplers shall be properly protected, and kept
away from raindrops, dirt or damage.
JG/T 163-2013
CONSTRUCTION INDUSTRY STANDARD
ICS 93.020
P 25
Replacing JG 163-2004, JG 171-2005
Couplers for Rebar Mechanical Splicing
Issued on. APRIL 27, 2013
Implemented on. OCTOBER 1, 2013
Issued by. Ministry of Housing and Urban-Rural Development of the
People’s Republic of China
Table of Contents
Foreword... 3
1 Scope... 6
2 Normative References... 6
3 Terms and Definitions... 7
4 Classification, Type and Marking... 9
5 Requirements... 13
6 Test Methods... 18
7 Inspection Rules... 21
8 Marking, Packaging, Transportation and Storage... 26
Appendix A (normative) Table of Minimum Dimension Parameters of Parallel
Threaded Couplers for Rebar Mechanical Splicing... 29
Appendix B (normative) Test Methods of Test Piece of Splice... 31
Appendix C (normative) Type Inspection Report of Test Piece of Splice... 37
Appendix D (informative) Format of Product Certificate of Couplers for Rebar
Mechanical Splicing... 43
Appendix E (informative) Format of Quality Certificate of Couplers for Rebar
Mechanical Splicing... 44
1 Scope
This Standard stipulates the terms, definitions, classification, types and marking,
requirements, test methods, inspection rules, mark, packaging, transportation and
storage of couplers for rebar mechanical splicing.
This Standard is applicable to parallel threaded coupler, taper threaded coupler and
coupler for squeezing sleeve splicing of rebars for rebar mechanical splicing in
concrete structure. The couplers described in this Standard are applicable to the
splicing of all types of rebars with the diameter of 12 mm ~ 50 mm, which comply with
the stipulations in GB 1499.2 and GB 13014.Couplers for the splicing of plain round
rebars, stainless steel rebars and foreign rebars may take this Standard as a reference.
2 Normative References
The following documents are indispensable to the application of this document. In
terms of references with a specified date, only versions with a specified date are
applicable to this document. In terms of references without a specified date, the latest
version (including all the modifications) is applicable to this document.
GB/T 197 General Purpose Metric Screw Threads - Tolerances
GB/T 228.1 Metallic Materials - Tensile Testing - Part 1.Method of Test at Room
Temperature
GB/T 230.1 Metallic Materials - Rockwell Hardness Test - Part 1.Test Method (scales
A, B, C, D, E, F, G, H, K, N, T)
GB/T 699 Quality Carbon Structural Steels
GB/T 700 Carbon Structural Steels
GB/T 702 Hot-rolled Steel Bars - Dimensions, Shape, Weight and Tolerances
GB 1499.2 Steel for the Reinforcement of Concrete - Part 2.Hot Rolled Ribbed Bars
GB/T 2975 Steel and Steel Products - Location and Preparation of Samples and Test
Pieces for Mechanical Testing
3 Terms and Definitions
The following term and definition are applicable to this Standard.
3.1 Rebar Mechanical Splicing
Rebar mechanical splicing refers to a splicing method which transmits force in one
steel reinforcing bar to another steel rebar through the mechanical occlusion effect
between the rebar and the coupler, or the load-bearing effect on the end face of the
steel rebar.
3.2 Coupler
Coupler refers to steel sleeve for mechanical splicing of steel rebars; it may transmit
axial tensile force or pressure of steel rebars.
3.7 Parallel Threaded Coupler for Splicing Rebars with Threads Roll on to
Rebar End
Parallel threaded coupler for splicing rebars with threads roll on to rebar end refers to
parallel threaded coupler which may be spliced with threads roll on to rebar end.
3.8 Taper Threaded Coupler
Taper threaded coupler refers to a threaded coupler which may be spliced with taper
threads of steel rebars and has taper threaded inner hole.
3.15 Threaded Coupler with One Slope at Thread End
Threaded coupler with one slope at thread end refers to a parallel threaded coupler
which has an internal chamfer for the centering of steel rebars on one end and
extended length than the standard coupler.
3.16 Thread Plug Gauge
Thread plug gauge refers to a measuring appliance which has consistent thread profile
with the thread being tested and can reflect the boundary conditions of the inner thread
being tested.
4 Classification, Type and Marking
4.1 Classification
In accordance with the type of rebar mechanical splices, coupler may be classified into
parallel threaded coupler, taper threaded coupler and coupler for squeezing sleeve
splicing of rebars. Furthermore, parallel threaded coupler may be classified into
parallel threaded coupler for splicing rebars with upsetting end, parallel threaded
coupler for splicing rebars with rib stripped before rolling of threads, parallel threaded
coupler for splicing rebars with threads roll on to rebar end.
4.2 Type
4.2.1 Parallel threaded coupler
There are four commonly used types of parallel threaded coupler. standard coupler for
parallel threaded splicing of rebars, parallel threaded coupler with different inner
diameter, parallel threaded coupler with left and right hand thread, parallel threaded
coupler with one slope at thread end, as it is shown in Figure 1.
4.2.3 Coupler for squeezing sleeve splicing of rebars
There are two commonly used types of coupler for squeezing sleeve splicing or rebars.
standard coupler for squeezing sleeve splicing of rebars, coupler for squeezing sleeve
splicing of rebars with different inner diameter, as it is shown in Figure 3.
4.3 Marking
4.3.1 Method of marking
The marking of couplers shall be constituted of four parts. name code, type code, main
parameter (strength grade of rebar) code and main parameter code (nominal diameter
of rebar), etc.
4.3.2 Examples
5 Requirements
5.1 Raw Materials
5.1.1 Threaded coupler
The raw materials of threaded coupler shall comply with the following requirements.
5.1.2 Coupler for squeezing
The raw materials of coupler for squeezing shall select appropriate calendering steel
products in accordance with the designation of steel rebars to be spliced. Quality
carbon structural steels with the designation of No. 10 and No. 20, or, carbon structural
steels with the designation of Q235 and Q275 should be selected. The shapes and
mechanical properties shall comply with the stipulations in GB/T 700, GB/T 702 and
GB/T 8162; the actually tested mechanical properties shall comply with the stipulations
in Table 1.
5.2 Shapes of Coupler
5.2.1 Threaded coupler
The shapes of threaded coupler shall comply with the following requirements.
5.2.2 Coupler for squeezing
The shapes of coupler for squeezing shall comply with the following requirements.
5.3 Dimensions and Tolerances of Coupler
5.3.2 Taper threaded coupler
The dimensions and tolerances of taper threaded coupler shall comply with the
following requirements.
5.3.3 Coupler for squeezing
The dimensions and tolerances of coupler for squeezing shall comply with the following
requirements.
5.5.2 Inspection of products being manufactured
Inspection items of couplers being manufactured shall at least include. external
diameter, internal diameter, length and thread dimensions.
5.5.3 Traceability
The traceability of coupler manufacture shall comply with the following requirements.
5.6 Anti-rust
Before exiting factory, couplers shall have anti-rust measures.
6 Test Methods
6.1 Raw Materials
6.1.1 Sampling
The sampling of raw materials of coupler shall comply with the stipulations in GB/T
2975.
6.2 Coupler
6.2.1 Shapes, dimensions and threads
The inspection items of the shapes, dimensions and threads of coupler, the measuring
tools, gauges and inspection methods shall comply with the stipulations in Table 7.
6.2.2 Mechanical properties
7 Inspection Rules
7.1 Raw Materials
7.1.1 Inspection conditions
The inspection of raw materials of coupler shall be conducted before the manufacture
of coupler.
7.2 Coupler
7.2.1 Classification
There are two types of coupler inspection. exit-factory inspection and type inspection.
7.2.2 Exit-factory inspection
The exit-factory inspection of coupler shall comply with the following requirements.
8 Marking, Packaging, Transportation and Storage
8.1 Marking
8.1.1 Composition
On the surface of coupler, distinct and durable marking shall be imprinted. The marking
shall include marks, code of manufacturer and manufacture batch No. that allows
traceability to the performance of raw materials that comply with the stipulations in 4.3.
The code of manufacturer may be characters or patterns. Manufacture batch No. may
be figures, or a combination of figures and symbols.
8.2 Packaging
8.2.1 Packaging materials and surface marks
Couplers exiting factory shall adopt cardboard boxes, woven bags or other reliable
bags. On the surface of the packaging materials, indicate the name of product, type of
coupler, quantity, applicable rebar specifications, date of manufacture, manufacture
batch No., and name, address and contact information of manufacturer, etc.
8.3 Transportation and Storage
During the transportation and storage, couplers shall be properly protected, and kept
away from raindrops, dirt or damage.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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