GBJ 214-1989 Technical specification for composite steel formwork GBJ214-89
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Engineering Construction Standard Full-text Information System
National Standard of the People's Republic of China
Technical Specification for Composite Steel Formwork
214—89
Engineering Construction Standard Full-text Information System
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National Standard of the People's Republic of China
Technical Specification for Composite Steel Formwork
214—89
Editor Department: Ministry of Metallurgical Industry of the People's Republic of ChinaApproval Department: Ministry of Construction of the People's Republic of ChinaEffective Date: January 1, 1990
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Notice on the release of the national standard "Technical Specification for Composite Steel Formwork"
(89) Jianbiaozi No. 150
According to the requirements of the former State Planning Commission's document No. Jizong [1986] 2630, the Ministry of Metallurgical Industry and relevant departments have revised the "Technical Specification for Composite Steel Formwork" GBJ214-82. After review by relevant departments, the revised "Technical Specification for Composite Steel Formwork" GBJ214-89 is now approved as a national standard and will be implemented on January 1, 1990. The original "Technical Specification for Composite Steel Formwork" GBJ214-82 was abolished on December 31, 1989.
This standard is managed by the Ministry of Metallurgical Industry, and the specific interpretation and other work is the responsibility of the Construction Research Institute of the Ministry of Metallurgical Industry. The publication and distribution is the responsibility of China Building Industry Press. Ministry of Construction of the People's Republic of China
March 27, 1989
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Revision Notes
This specification is based on the notice of the State Planning Commission's Jizong [1986] No. 2630 document. The revision group was formed by the Ministry of Metallurgy's Building Research Institute and relevant scientific research, design, production and construction units across the country. Jointly revised the original "Technical Specifications for Combined Steel Formwork" GBJ214-82.
In the process of revising this specification, a relatively extensive investigation was conducted on the construction technology, production quality and use management experience of the promotion and application of combined steel formwork in various departments and regions. The opinions of relevant units across the country were also solicited. Special research and repeated discussions were also conducted on the main issues, and finally the draft was reviewed and finalized together with relevant departments. This specification is divided into six chapters and nine appendices. The main contents of the revision are: adding more specifications and varieties of steel formwork and accessories; modifying the quality standards and quality inspection methods for steel formwork production, adjusting the sampling methods for steel formwork and accessories; adding relevant contents such as construction and acceptance, installation and removal, safety and inspection, maintenance and management, etc. During the implementation of the specification, please pay attention to accumulating information and summarizing experience. If you find that there is a need for modification or supplement, please send your opinions and relevant information to the National Standard Management Group of the Combined Steel Formwork Technical Specification of the General Research Institute of Construction of the Ministry of Metallurgy for reference when revising it. Ministry of Metallurgical Industry
March 1989
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Chapter 1
Chapter 2
Section 2
Chapter 3
Section 1
Section 2
Section 3
Section 4
Chapter 4
Section 1
Section 2
Section 3Www.bzxZ.net
Section 4
Composition and requirements of composite steel formwork
General provisions
Composition and requirements
Manufacture and inspection of composite steel formwork
Marking and packaging
Construction design of formwork engineering| |tt||General Provisions
Loads and Allowable Stress
Panel Design
Arrangement of Support System 15
Fifth Formwork Engineering Construction and Acceptance…
Section 1
Section 2
Section 3
Section 4
Chapter 6
Section 1
Section 2
Appendix 2
Appendix 3
Construction Preparation
Installation and Removal
Safety Requirements·
Inspection and Acceptance
Transportation, Maintenance and Storage of Composite Steel Formwork Transportation
Maintenance and Storage
Purpose of Composite Steel Formwork
Steel Formwork Specification Code
Flat Formwork Section Characteristics||t t||Engineering Construction Standards Full-text Information System
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Appendix 4
Appendix 5
Appendix 6
Appendix 7
Appendix 8
Appendix 9
Appendix 10
Specifications and cross-sectional characteristics of steel formwork accessories
Steel formwork load test method
Steel formwork quality inspection and assessment method
U-shaped card quality inspection method
Steel pillar quality inspection method
Sampling method
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Explanation of terms used in this specification
Additional explanation
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Chapter 1 General
Article 1.0.1 This technical specification is formulated in order to implement the technical and economic policy of replacing wood with steel in capital construction, actively promote the application of composite steel formwork, effectively strengthen the technical management of composite steel formwork, accelerate the turnover of formwork, and improve the comprehensive economic benefits.
Article 1.0.2 This specification applies to the design, production, construction and technical management of composite steel formwork used in cast-in-place concrete projects and precast concrete components of industrial and civil buildings and general structures. For composite formwork with similar structural forms, the relevant provisions of this specification can be referred to. Article 1.0.3 The composite steel formwork referred to in this specification is designed according to the modular system. The steel formwork is formed by pressing and rolling, and has a relatively complete set of accessories for use. It can be assembled into panels of different sizes and integral formworks, which is conducive to the composite steel formwork of on-site mechanized construction.
Article 1.0.4 The modulus of the composite steel formwork shall be consistent with the current national standards "Standard for Coordination and Unification of Building Modulus", "Standard for Coordination of Residential Building Modulus" and "Standard for Coordination of Factory Building Modulus". When designing the structure, the design unit shall combine it with the construction to facilitate the promotion and use of the composite steel formwork.
Article 1.0.5 Any issues not clearly specified in this specification shall comply with the provisions of the relevant national standards and specifications currently in force. Engineering Construction Standard Full Text Information System
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Chapter 2 Composition and Requirements of Composite Steel Formwork Section 1 General Provisions
Article 2.1.1 The design of composite steel formwork shall be calculated according to the standard load and allowable stress. The allowable stress shall be multiplied by the allowable stress of the current national specifications by the improvement factor of 1.25.
Article 2.1.2 The steel formwork shall have sufficient rigidity and strength. The rigidity and strength of the plane formwork under the specified load shall meet the requirements of Table 3.3.4. Its cross-sectional characteristics shall meet the requirements of Appendix 3.
Article 2.1.3 The steel formwork shall have tight joints, flexible assembly and disassembly, and convenient transportation. Article 2.1.4 The hole spacing of the longitudinal and transverse ribs of the steel formwork shall be consistent with the module of the formwork, and the formwork can be assembled horizontally and vertically.
Article 2.1.5 Other special formworks may be added according to the needs of the project characteristics, but their modulus shall be consistent with the modulus of the steel formworks in this specification. Section 2 Composition and Requirements
Article 2.2.1 The composite steel formwork consists of two major parts: steel formworks and accessories. Among them, the steel formworks include general formworks such as plane formworks, internal angle formworks, external angle formworks, connecting angle formworks, and special formworks such as chamfered edge formworks, beam axil formworks, flexible formworks, lap formworks, adjustable formworks, and patching formworks. The connecting parts of the accessories include U-shaped clips, L-shaped pins, hook bolts, fastening bolts, tension bolts, fasteners, etc.; the supporting parts of the accessories include steel ribs, column hoops, steel pillars, diagonal braces, combined pillars, fasteners, steel pipe brackets, portal brackets, beam clamps, ring beam clamps and trusses, etc.
Article 2.2.2 Steel formwork adopts modular design. The width modulus of general formwork increases by 50mm and the length modulus increases by 150mm. The specifications of steel formwork shall comply with the engineering construction standard full text information system
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Meet the requirements of Table 2.2.2 and Appendix 2.1.
Steel formwork specifications (mm)
Plane formwork
Internal angle formwork
External angle formwork
Connecting angle formwork
Angle edge formwork
Round edge formwork
Beam axil formwork
Flexible formwork
Overlap formwork
Hyperbolic adjustable formwork
Adjustable angle formwork
Flat panel
Internal corner panel
External corner panel
Connecting corner mould
300, 250, 200, 150, 100
150×150, 100×150
100X100, 50X50
50×50
17, 45
R20, R35|| tt||50×150.50×100
300, 200
200, 160
200, 150, 100
150×150,100×150
100×100.50×50
50×50
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1500, 1200, 900, 750, 600,
1500, 900600
300, 200, 150
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Connectors should meet the requirements of Article 2.2.3 for matching use, convenient assembly and disassembly, and safe operation. The specifications of connectors should meet the requirements of Table 2.2.3. Connector specifications
Hook bolts
Fastening bolts
3-shaped fasteners
Disc fasteners
Article 2.2.4
2.2.4 requirements.
Round steel pipe type
Rectangular steel pipe type
Light channel steel type
Inner edge channel steel type
Rolled channel steel type
Angle steel type
Channel steel type
Round steel pipe type
812, 1=345
Q12, 1=205, 180
12, 1=180
M12, M14, M16
26 type, 12 type
26 type, 18 type
Supports should be designed as tool type, and their specifications should comply with the table support
80×40×2.0, 100×50 ×3.0
[80×40×3.0,[100×50×3.0
80×40×15×3.0，100×50×20×3.0[80×43×5.0
275×50×5
[80×43×5，[100×48×5.3
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c-18 type
c22 type
C-27 type
GH-125 type
GH-150 type
GH-175 type|| tt||GH-200 type
GH-300 type
Plane adjustable truss
Curved variable truss
Steel pipe bracket
Round steel pipe type
Gate bracket
1=1812~3112
1=2212~3512
1=2712~4012
1=1250
1=1500
1=1750
1=2000
1=3000
330×1990
247×2000
2 47×3000
247×4000
247×5000
48×35, 1=2000~6000
Section less than 600×500
Section less than 700×500
Width b=1200, 900
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Chapter 3
Manufacture and Inspection of Composite Steel Formwork
Section 1 Materials
Article 3.1.1 The materials of various types of composite steel formwork shall comply with the provisions of the relevant national standards in force.
Article 3.1.2 The types and specifications of composite steel formwork steel shall comply with the requirements of Table 3.1.2. Before production, the factory material certificate shall be checked against the relevant national standards in force. Steel with doubtful or no factory material certificate shall be re-inspected in accordance with the relevant national inspection standards in force, and the inspection records shall be filled in. Steel varieties and specifications of combined steel formwork
Steel formwork
U-shaped card
L-shaped plug pin
Fastening bolt
Hook bolt
Tension bolt
Round steel pipe
Rectangular steel pipe
Light channel steel
Steel varieties
As steel plate
No. 30 steel round steel
No. 3 steel round steel
As steel plate
No. 3 steel round steel
No. 3 steel pipe
No. 3 steel pipe
No. 3 steel plate
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8=2.3, 2.5
8=2.5, 3. 0, 4. 0
M12, M14, M16
80×40×3.0
100×50×3.0
[80×40×3.0
[100×50×3.03
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C-18 Type
C22 Type
C-27 Type
GH-125 Type
GH-150 Type
GH-175 Type
GH-200 Type
GH-300 Type||tt ||Plane adjustable truss
Curved variable truss
Steel pipe bracket
Round steel pipe type
Gate bracket
1=1812~3112
1=2212~3512
1=2712~4012
1=1250
1=1500
1=1750||t t||1=2000
1=3000
330×1990
247×2000
247×3000
2 47×4000
247×5000
48×35, 1=2000~6000
The cross-section is smaller than 600×500
The cross-section is small 700×500
Width b=1200, 900
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Chapter 3
Manufacture and Inspection of Composite Steel Formwork
Section 1 Materials
Article 3.1.1 The materials of various types of composite steel formwork shall comply with the provisions of the relevant national standards in force.
Article 3.1.2 The varieties and specifications of composite steel formwork steel shall comply with the requirements of Table 3.1.2. Before manufacture, the factory material certificate shall be checked against the relevant national standards in force. For steel materials with doubts or without factory material certificates, they shall be re-inspected according to the relevant national inspection standards in force, and the inspection records shall be filled in. Steel varieties and specifications of combined steel formwork
Steel formwork
U-shaped card
L-shaped plug pin
Fastening bolt
Hook bolt
Tension bolt
Round steel pipe
Rectangular steel pipe
Light channel steel
Steel varieties
As steel plate
No. 30 steel round steel
No. 3 steel round steel
As steel plate
No. 3 steel round steel
No. 3 steel pipe
No. 3 steel pipe
No. 3 steel plate
Engineering construction standard full text information system
8=2.3, 2.5
8=2.5, 3. 0, 4. 0
M12, M14, M16
80×40×3.0
100×50×3.0
[80×40×3.0
[100×50×3.03
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C-18 Type
C22 Type
C-27 Type
GH-125 Type
GH-150 Type
GH-175 Type
GH-200 Type
GH-300 Type||tt ||Plane adjustable truss
Curved variable truss
Steel pipe bracket
Round steel pipe type
Gate bracket
1=1812~3112
1=2212~3512
1=2712~4012
1=1250
1=1500
1=1750||t t||1=2000
1=3000
330×1990
247×2000
247×3000
2 47×4000
247×5000
48×35, 1=2000~6000
The cross-section is smaller than 600×500
The cross-section is small 700×500
Width b=1200, 900
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Chapter 3
Manufacture and Inspection of Composite Steel Formwork
Section 1 Materials
Article 3.1.1 The materials of various types of composite steel formwork shall comply with the provisions of the relevant national standards in force.
Article 3.1.2 The varieties and specifications of composite steel formwork steel shall comply with the requirements of Table 3.1.2. Before manufacture, the factory material certificate shall be checked against the relevant national standards in force. For steel materials with doubts or without factory material certificates, they shall be re-inspected according to the relevant national inspection standards in force, and the inspection records shall be filled in. Steel varieties and specifications of combined steel formwork
Steel formwork
U-shaped card
L-shaped plug pin
Fastening bolt
Hook bolt
Tension bolt
Round steel pipe
Rectangular steel pipe
Light channel steel
Steel varieties
As steel plate
No. 30 steel round steel
No. 3 steel round steel
As steel plate
No. 3 steel round steel
No. 3 steel pipe
No. 3 steel pipe
No. 3 steel plate
Engineering construction standard full text information system
8=2.3, 2.5
8=2.5, 3. 0, 4. 0
M12, M14, M16
80×40×3.0
100×50×3.0
[80×40×3.0
[100×50×3.0
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