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Engineering Construction Standard Full Text Information System
Construction Industry Standard of the People's Republic of China JG/T3060—1999
Composite Steel Formwork
Compositesteelformworkwww.bzxz.net
Published on 1999-05-26
Implemented on 1999-12-01
Published by the Ministry of Construction of the People's Republic of China
Engineering Construction Standard Full Text Information System
.Engineering Construction Standard Full Text Information System
JG/T3060—1999
References Standard
Test method
Inspection rules·
Marking, packaging, transportation and storage
Appendix 4 (Appendix to the standard)
Engineering construction standard full text information system
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Engineering construction standard full text information system
JG/T3060—1999
This standard is compiled in accordance with the provisions of GB/T1.1—1993 and GB/T1.3—1997 with reference to the relevant data of Japanese Industrial Standard JISA8652 "Metal Formwork" and relevant domestic standards.
Appendix A of this standard is the appendix to the standard
This standard is proposed by the Standard and Quota Research Institute of the Ministry of Construction. This standard is under the jurisdiction of the China Academy of Building Research, the competent authority for construction engineering standards and technologies of the Ministry of Construction.
The drafting units of this standard are: China Academy of Building Research Building Mechanization Research Branch, Wuhu Building Machinery Steel Window Factory, Railway First Bureau Metal Structure Factory, Xinjiang Industrial Equipment Installation Engineering Company Machinery Factory, Yantai Steel Formwork Factory, Beijing Xinghe Formwork Scaffolding Engineering Co., Ltd.
The main drafters of this standard are: Yang Yanan, Zhang Chunjin, Sun Xidong, Zhang Zhijiang, Hu Kunli, Jiang Chuanku.
This standard is interpreted by China Academy of Building Research Building Mechanization Research Branch.
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Construction Industry Standard of the People's Republic of China Composite Steel Formwork
Composite steel formwork
JG/T3060—1999
This standard specifies the definition, classification, test methods, inspection rules and marking, packaging, transportation and storage of composite steel formwork (hereinafter referred to as steel formwork). This standard applies to composite steel formwork for cast-in-place concrete in industrial and civil buildings. 2
Cited Standards
The provisions contained in the listed standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised. Parties using this standard should explore the possibility of using the latest versions of the following standards. B/T912—1989 Carbon structural steel and low alloy structural steel hot rolled thin steel plate and steel strip
GB50204—1992 Code for construction and acceptance of concrete structure engineering GB/T12467.1~12467.4—1998 Welding quality requirements Fusion welding of metal materials
GB/T2828—1987 Batch inspection counting sampling procedure and sampling table (applicable to inspection of continuous batches)
Approved by the Ministry of Construction of the People's Republic of China on May 26, 1999
Implementation on December 1, 1999
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3 Definitions
This standard adopts the following definitions.
3.1 Composite steel formwork composite steel formwork The width and length of composite steel formwork are designed by modular system and can be combined and assembled with each other. 3.2 Small size steel formwork Small size steel formwork Modular steel formwork with a width of 100 to 300 mm and a length of 450 to 1500 mm. 3.3
Extending steel formwork Modular steel formwork with a width of 400 to 600 mm and a length of 600 to 1800 mm. Rib height of edge rib
Height of edge rib of steel formwork
Longitudinal rib
Reinforcement rib parallel to the edge rib of steel formwork.
Crossing rib
Reinforcement rib perpendicular to the edge rib of steel formwork.
Ending rib
Transverse rib at the end of steel formwork.
Edge flange
The protruding edge of the edge rib of steel formwork.
Crowning
The drum-shaped protrusion on both sides of the connection hole of the edge rib of steel formwork. Classification
Main parameters
The main parameters of steel formwork are composed of the width, length and rib height of the formwork. The main parameter series are shown in Table 1.
Engineering Construction Standard Full-text Information System
.Engineering Construction Standard Full-text Information System
Small steel formwork
Expanded steel formwork
Main parameter series
100,150,200,250,300
450,00,750,900,200,500
400,450,500,600
600,750,900,120015001800
Steel formwork is divided into plane formwork, positive angle formwork, negative angle formwork and connecting angle formwork according to the structural type.
4.3 Code
Name code: ZGM
Characteristic code: P-plane template, Y-yang angle template, E-yin angle template, J-connecting angle template
Steel template model representation method
Steel template model consists of name code, characteristic code and main parameter code. The model is as follows:
Main parameter code: 1/10 of the nominal template width; 1/10 of the nominal template length
Indicated by the nominal template rib height
Characteristic code: P plane template: Y-yang angle grinding plate: E-yin angle grinding plate; J connecting corner:
Name code: combined steel template
4.4.2 Marking example
a) Flat steel 3 with a width of 300mm, a length of 1500mm and a rib height of 55mm
Engineering Construction Standard Full Text Information System
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The template model is:
ZGM·P30X150X55JG/T3060-1999b) The internal angle template model with a right angle side of 150×150mm, a length of 900mm and a rib height of 55mm is:
ZGM·E15X90X55JG/T3060—1999c) The model of the flat steel formwork with a width of 600mm, a length of 1800mm and a rib height of 55mm is:
ZGM·P60X180X55JG/T3060—19995 Requirements
General requirements
5.1.1 The drawings of small steel formworks shall be designed in accordance with the national standard GBJTI—1985, and other types of steel formworks shall be manufactured in accordance with the drawings and technical documents approved by the prescribed procedures. 5.1.2 The steel formwork shall be made of thin steel plates with performance not lower than Q235A carbon structural steel. The nominal thickness of the hot-rolled steel plate used for the small steel formwork panel shall not be less than 2.5mm, and the nominal thickness of the steel plate used for the expanded steel formwork panel shall not be less than 2.8mm. 5.1.3
The steel plate used shall have a quality certificate, and its chemical composition and mechanical properties shall meet the requirements of GB/T912.
5.1.4 The rolled plate must be unrolled and leveled before use, and must not be made of rusted steel.
5.2 Working performance requirements
5.2.1 The steel formwork must have sufficient bearing capacity and rigidity. Its design and calculation should comply with the relevant provisions of GB50204. The load test standard of the steel formwork is shown in Table 2. 4
Engineering Construction Standard Full Text Information System
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Formwork length
Bearing capacity
Steel formwork load test standard
Note: 9—Uniformly distributed load—Concentrated load
Allowable deflection
Residual deformation
≤0.2 All parts shall not be damaged
All parts shall not be damaged
Steel formworks of various specifications shall be able to be assembled into large formworks at will. The quality requirements for assembling large formworks are shown in Table 3.
Table 3 Allowable deviation of steel formwork assembly quality
Test items
Assembly formwork length
Assembly formwork width
Difference in diagonal lines of the board
Flatness of the board
Gap between two formworks
Difference in height of adjacent formworks
Note: The area of the assembled formwork shall not be less than 4㎡
Manufacturing quality requirements
5.3.1 Process requirements||tt| |Engineering Construction Standard Full Text Information System
Allowable Deviation
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a) The face plate and side ribs of the steel formwork must be made of a whole piece of material, and must not be welded separately
b) The ridges of the steel formwork must be cold-rolled by special equipment. The ridge width must not be less than 4mm, and the height must not be less than 0.3mm. The ridges must be 90° with the plate surface, and the side ribs must have a fillet of d0.5 so that a steel needle cannot pass through;| |tt||c) U-shaped holes and convex bulges should be formed by a single punching and bulging process. The height of the bulge shall not be less than 0.8mm. The positioning design of multiple punching and bulging forming shall be accurate to ensure the position deviation of the holes;
d) The size of the longitudinal and transverse ribs of the steel formwork shall be determined according to the actual thickness of the steel plate used for the steel formwork panel, longitudinal and transverse ribs. The longitudinal and transverse ribs shall not be lower than the side ribs by more than 1.2mm; e) Special molds must be used for steel formwork assembly and welding to ensure that the verticality of the end ribs, longitudinal ribs, mold ribs and panels is less than 1.5mm, and they shall not be twisted, skewed or misplaced. The end rib welding shall not exceed the plate end, and the outer surface of the side rib shall not exceed the convex edge surface; f) The verticality deviation of the angle mold shall be less than 1mm; 8) Choose a reasonable welding sequence, and take measures to eliminate stress and deformation after assembly welding.
) The process quality control should be supervised and inspected by full-time or part-time quality inspection personnel, and inspection records should be made. The inspection results of the final inspection items shall be reported to the factory quality management department as the basis for factory inspection.
The allowable deviation of steel formwork quality is shown in Table 4.6
Engineering Construction Standard Full-text Information System
bzSoSO,cOMa Engineering Construction Standard Full-text Information System
The allowable deviation of steel formwork quality
Length L
Distance between center of hole along length of plate
Distance between center of hole along width of plate
Distance between center of hole and plate surface
Distance between center of hole and plate end
Diameter of hole
Verticality between end of panel and two convex surfaces4
Plate surface flatness
Ridge straightness 2
Appearance quality requirements
Welding quality
Required size
Allowable deviation
a) Steel formwork welding shall comply with the relevant provisions in GB/T12467.1~12467.4. The weld size deviation is shown in Table 5;
b) The weld should be beautiful and neat, and there should be no defects such as leaking welds, cracks, arc pits, pores, slag inclusions, burn-throughs, and undercuts;
) Flying slag and welding slag should be cleaned up.
Engineering Construction Standard Full-text Information System
Engineering Construction Standard Full-text Information System
Table 5 Requirements for weld size
Length of interrib weld
Height of interrib weld leg
Length of weld between rib and panel
Height of weld leg between rib and panel
5.4.2 Shaping
Required size
Allowable deviation
a) The steel formwork must be shaped after assembly and welding so that the flatness of the plate surface reaches the quality specification b) Shaping should be carried out mechanically, and no hammer marks should be left on the manually shaped plate surface; there should be no obvious burrs or burrs on the edges, corners and hole edges of the steel formwork. 5.4.3 Painting
3) Before painting, the steel formwork should be degreased, derusted, and the welding slag should be cleaned. 6) The coating should be uniform and have strong adhesion;
) The painted surface should not have defects such as wrinkles, missing paint, flow, bubbles, etc.; d) The working surface of the steel formwork can be coated with anti-rust oil or grease. 6 Test methods
Test conditions and instruments
Test equipment and measuring instruments should have a calibration certificate and should be calibrated before use.
Production quality inspection must be carried out on the platform and equipped with necessary auxiliary inspections. The production quality inspection items and inspection methods are shown in Table 6. Engineering Construction Standard Full Text Information System
. Engineering Construction Standard Full Text Information System
Distance between center of hole along length of board
Distance between center of hole and board surface
Distance between center of hole and board end
Hole straightness
Verticality between panel end and two convex edges
Flatness of board surface
Convex edge straight line Degree
Rib height
Rib width
Side rib fillet
Bulge height
Welding displacement of two end ribs
Height of transverse ribs, longitudinal ribs and side ribs
Side rib protrusion
Mutual perpendicularity of end ribs, transverse ribs, longitudinal ribs and surface
Inter-rib weld length
Inter-rib weld leg height
Li and plate welding Seam length
Height of rib and panel welding foot
Verticality of corner mold
Painting quality
Shaping quality
Engineering construction standard full-text information system
Production quality inspection items and methods
Inspection method
Inspect the middle and two corners
Inspect the two ends and the middle
Inspect the two ends and the middle of the two sides
1500mm vernier caliper or
Special caliper
300~1000mm vernier
150mm vernier caliper
Inspect the center distance of two holes at any spacing
200mm vernier caliper
Inspect the distance between the two end holes and the end of the board
Inspect the two ends and the middle
Inspect the distance between the two end holes and the end of the board
Check the buckle
Put one side of the square ruler against the convex edge
Closely check the gap between the other side and the plate end
Check and measure the maximum gap along the length direction of the plate surface and the diagonal
Measure along the length direction of the convex surface
Maximum gap
Check the cross rib part of the side rib
Check any part
Check any part
Check the lowest height part
Check the two ends
Check any part
Check the cross rib part
Check any part
Check the minimum length of the weld
Check the lowest height of the weld
Check the minimum length of the weld
Check the lowest height of the weld
Check the two ends and the middle part||tt| |Check the painted surface
Check any part
150mm vernier caliper
150mm vernier caliper
150mm vernier caliper, straight
150mm vernier caliper
square ruler, feeler gauge
flat ruler, feeler gauge
2000mm flat ruler, feeler gauge
square ruler, feeler gauge
150 mm vernier caliper
square ruler, 0.5 steel needle
depth gauge
square ruler
300~1000mm flat ruler,
square ruler
square ruler, visual inspection
weld inspection ruler
weld inspection ruler
square ruler, feeler gauge
.5mm, shall not be twisted, skewed or misplaced, the end rib welding shall not exceed the plate end, and the outer surface of the side rib shall not exceed the convex edge surface; f) The verticality deviation of the angle mold shall be less than 1mm; 8) Choose a reasonable welding sequence, and take measures to eliminate stress and deformation after assembly welding;
) The process quality control shall be supervised and inspected by full-time or part-time quality inspection personnel, and inspection records shall be made. The inspection results of the final inspection items shall be reported to the factory quality management department as the basis for factory inspection.
The allowable deviation of steel formwork quality is shown in Table 4.6
Engineering Construction Standard Full-text Information System
bzSoSO,cOMa Engineering Construction Standard Full-text Information System
The allowable deviation of steel formwork quality
Length L
Distance between center of hole along length of plate
Distance between center of hole along width of plate
Distance between center of hole and plate surface
Distance between center of hole and plate end
Diameter of hole
Verticality between end of panel and two convex surfaces4
Plate surface flatness
Ridge straightness 2
Appearance quality requirements
Welding quality
Required size
Allowable deviation
a) Steel formwork welding shall comply with the relevant provisions in GB/T12467.1~12467.4. The weld size deviation is shown in Table 5;
b) The weld should be beautiful and neat, and there should be no defects such as leaking welds, cracks, arc pits, pores, slag inclusions, burn-throughs, and undercuts;
) Flying slag and welding slag should be cleaned up.
Engineering Construction Standard Full-text Information System
Engineering Construction Standard Full-text Information System
Table 5 Requirements for weld size
Length of interrib weld
Height of interrib weld leg
Length of weld between rib and panel
Height of weld leg between rib and panel
5.4.2 Shaping
Required size
Allowable deviation
a) The steel formwork must be shaped after assembly and welding so that the flatness of the plate surface reaches the quality specification b) Shaping should be carried out mechanically, and no hammer marks should be left on the manually shaped plate surface; there should be no obvious burrs or burrs on the edges, corners and hole edges of the steel formwork. 5.4.3 Painting
3) Before painting, the steel formwork should be degreased, derusted, and the welding slag should be cleaned. 6) The coating should be uniform and have strong adhesion;
) The painted surface should not have defects such as wrinkles, missing paint, flow, bubbles, etc.; d) The working surface of the steel formwork can be coated with anti-rust oil or grease. 6 Test methods
Test conditions and instruments
Test equipment and measuring instruments should have a calibration certificate and should be calibrated before use.
Production quality inspection must be carried out on the platform and equipped with necessary auxiliary inspections. The production quality inspection items and inspection methods are shown in Table 6. Engineering Construction Standard Full Text Information System
. Engineering Construction Standard Full Text Information System
Distance between center of hole along length of board
Distance between center of hole and board surface
Distance between center of hole and board end
Hole straightness
Verticality between panel end and two convex edges
Flatness of board surface
Convex edge straight line Degree
Rib height
Rib width
Side rib fillet
Bulge height
Welding displacement of two end ribs
Height of transverse ribs, longitudinal ribs and side ribs
Side rib protrusion
Mutual perpendicularity of end ribs, transverse ribs, longitudinal ribs and surface
Inter-rib weld length
Inter-rib weld leg height
Li and plate welding Seam length
Height of rib and panel welding foot
Verticality of corner mold
Painting quality
Shaping quality
Engineering construction standard full-text information system
Production quality inspection items and methods
Inspection method
Inspect the middle and two corners
Inspect the two ends and the middle
Inspect the two ends and the middle of the two sides
1500mm vernier caliper or
Special caliper
300~1000mm vernier
150mm vernier caliper
Inspect the center distance of two holes at any spacing
200mm vernier caliper
Inspect the distance between the two end holes and the end of the board
Inspect the two ends and the middle
Inspect the distance between the two end holes and the end of the board
Check the buckle
Put one side of the square ruler against the convex edge
Closely check the gap between the other side and the plate end
Check and measure the maximum gap along the length direction of the plate surface and the diagonal
Measure along the length direction of the convex surface
Maximum gap
Check the cross rib part of the side rib
Check any part
Check any part
Check the lowest height part
Check the two ends
Check any part
Check the cross rib part
Check any part
Check the minimum length of the weld
Check the lowest height of the weld
Check the minimum length of the weld
Check the lowest height of the weld
Check the two ends and the middle part||tt| |Check the painted surface
Check any part
150mm vernier caliper
150mm vernier caliper
150mm vernier caliper, straight
150mm vernier caliper
square ruler, feeler gauge
flat ruler, feeler gauge
2000mm flat ruler, feeler gauge
square ruler, feeler gauge
150 mm vernier caliper
square ruler, 0.5 steel needle
depth gauge
square ruler
300~1000mm flat ruler,
square ruler
square ruler, visual inspection
weld inspection ruler
weld inspection ruler
square ruler, feeler gauge
.5mm, shall not be twisted, skewed or misplaced, the end rib welding shall not exceed the plate end, and the outer surface of the side rib shall not exceed the convex edge surface; f) The verticality deviation of the angle mold shall be less than 1mm; 8) Choose a reasonable welding sequence, and take measures to eliminate stress and deformation after assembly welding;
) The process quality control shall be supervised and inspected by full-time or part-time quality inspection personnel, and inspection records shall be made. The inspection results of the final inspection items shall be reported to the factory quality management department as the basis for factory inspection.
The allowable deviation of steel formwork quality is shown in Table 4.6
Engineering Construction Standard Full-text Information System
bzSoSO,cOMa Engineering Construction Standard Full-text Information System
The allowable deviation of steel formwork quality
Length L
Distance between center of hole along length of plate
Distance between center of hole along width of plate
Distance between center of hole and plate surface
Distance between center of hole and plate end
Diameter of hole
Verticality between end of panel and two convex surfaces4
Plate surface flatness
Ridge straightness 2
Appearance quality requirements
Welding quality
Required size
Allowable deviation
a) Steel formwork welding shall comply with the relevant provisions in GB/T12467.1~12467.4. The weld size deviation is shown in Table 5;
b) The weld should be beautiful and neat, and there should be no defects such as leaking welds, cracks, arc pits, pores, slag inclusions, burn-throughs, and undercuts;
) Flying slag and welding slag should be cleaned up.
Engineering Construction Standard Full-text Information System
Engineering Construction Standard Full-text Information System
Table 5 Requirements for weld size
Length of interrib weld
Height of interrib weld leg
Length of weld between rib and panel
Height of weld leg between rib and panel
5.4.2 Shaping
Required size
Allowable deviation
a) The steel formwork must be shaped after assembly and welding so that the flatness of the plate surface reaches the quality specification b) Shaping should be carried out mechanically, and no hammer marks should be left on the manually shaped plate surface; there should be no obvious burrs or burrs on the edges, corners and hole edges of the steel formwork. 5.4.3 Painting
3) Before painting, the steel formwork should be degreased, derusted, and the welding slag should be cleaned. 6) The coating should be uniform and have strong adhesion;
) The painted surface should not have defects such as wrinkles, missing paint, flow, bubbles, etc.; d) The working surface of the steel formwork can be coated with anti-rust oil or grease. 6 Test methods
Test conditions and instruments
Test equipment and measuring instruments should have a calibration certificate and should be calibrated before use.
Production quality inspection must be carried out on the platform and equipped with necessary auxiliary inspections. The production quality inspection items and inspection methods are shown in Table 6. Engineering Construction Standard Full Text Information System
. Engineering Construction Standard Full Text Information System
Distance between center of hole along length of board
Distance between center of hole and board surface
Distance between center of hole and board end
Hole straightness
Verticality between panel end and two convex edges
Flatness of board surface
Convex edge straight line Degree
Rib height
Rib width
Side rib fillet
Bulge height
Welding displacement of two end ribs
Height of transverse ribs, longitudinal ribs and side ribs
Side rib protrusion
Mutual perpendicularity of end ribs, transverse ribs, longitudinal ribs and surface
Inter-rib weld length
Inter-rib weld leg height
Li and plate welding Seam length
Height of rib and panel welding foot
Verticality of corner mold
Painting quality
Shaping quality
Engineering construction standard full-text information system
Production quality inspection items and methods
Inspection method
Inspect the middle and two corners
Inspect the two ends and the middle
Inspect the two ends and the middle of the two sides
1500mm vernier caliper or
Special caliper
300~1000mm vernier
150mm vernier caliper
Inspect the center distance of two holes at any spacing
200mm vernier caliper
Inspect the distance between the two end holes and the end of the board
Inspect the two ends and the middle
Inspect the distance between the two end holes and the end of the board
Check the buckle
Put one side of the square ruler against the convex edge
Closely check the gap between the other side and the plate end
Check and measure the maximum gap along the length direction of the plate surface and the diagonal
Measure along the length direction of the convex surface
Maximum gap
Check the cross rib part of the side rib
Check any part
Check any part
Check the lowest height part
Check the two ends
Check any part
Check the cross rib part
Check any part
Check the minimum length of the weld
Check the lowest height of the weld
Check the minimum length of the weld
Check the lowest height of the weld
Check the two ends and the middle part||tt| |Check the painted surface
Check any part
150mm vernier caliper
150mm vernier caliper
150mm vernier caliper, straight
150mm vernier caliper
square ruler, feeler gauge
flat ruler, feeler gauge
2000mm flat ruler, feeler gauge
square ruler, feeler gauge
150 mm vernier caliper
square ruler, 0.5 steel needle
depth gauge
square ruler
300~1000mm flat ruler,
square ruler
square ruler, visual inspection
weld inspection ruler
weld inspection ruler
square ruler, feeler gauge
.Engineering Construction Standard Full Text Information System
Distance between center holes along board length
Distance between center holes along board width
Distance between hole center and board surface
Distance between hole center and board end
Hole straightness
Verticality between panel end and two convex edges
Flatness of board surface
Straightness of convex edges
Height of convex edges
Convex rib width
Side rib fillet
Convex bulge height
Welding displacement of two end ribs
Height of transverse rib, longitudinal rib and side rib
Side rib protrusion
End rib, transverse rib, longitudinal rib, surface
Mutual perpendicularity of plate
Length of inter-rib weld
Height of inter-rib weld leg
Length of weld between rib and plate
Weld between rib and panel Height of foot
Vertical degree of corner mold
Quality of painting
Quality of shaping
Full text information system of engineering construction standards
Production quality inspection items and methods
Inspection method
Inspect the middle and two corners
Inspect the two ends and the middle
Inspect the two ends and the middle of the two sides
1500mm vernier caliper or
Special caliper
300~1000mm vernier
150mm vernier caliper
Inspect the center distance of two holes at any spacing
200mm vernier caliper
Inspect the distance between the two end holes and the end of the board
Inspect the two ends and the middle
Inspect the distance between the two end holes and the end of the board
Inspect the Put one side of the square ruler against the convex edge tightly and check the gap between the other side and the plate end. Check and measure the maximum gap along the length direction of the plate surface and the diagonal part. Check and measure the maximum gap along the length direction of the convex surface. Check the cross rib part of the side rib. Check any part. Check any part. Check the lowest height part. Check both ends. Check any part. Check the cross rib part. Check any part. Check the minimum length of the weld. Check the minimum height of the weld. Check the minimum length of the weld. Check the minimum height of the weld. Check the two ends and the middle part. Check the coating. Surface
Check any part
150mm vernier caliper
150mm vernier caliper
150mm vernier caliper
right-angle ruler, feeler gauge
flat ruler, feeler gauge
2000mm flat ruler, feeler gauge
right-angle ruler, feeler gauge
150mm Vernier caliper
square ruler, 0.5 steel needle
depth gauge
square ruler
300~1000mm flat ruler,
square ruler
square ruler, visual inspection
weld inspection ruler
weld inspection ruler
weld inspection ruler
square ruler, feeler gauge
.Engineering Construction Standard Full Text Information System
Distance between center holes along board length
Distance between center holes along board width
Distance between hole center and board surface
Distance between hole center and board end
Hole straightness
Verticality between panel end and two convex edges
Flatness of board surface
Straightness of convex edges
Height of convex edges
Convex rib width
Side rib fillet
Convex bulge height
Welding displacement of two end ribs
Height of transverse rib, longitudinal rib and side rib
Side rib protrusion
End rib, transverse rib, longitudinal rib, surface
Mutual perpendicularity of plate
Length of inter-rib weld
Height of inter-rib weld leg
Length of weld between rib and plate
Weld between rib and panel Height of foot
Vertical degree of corner mold
Quality of painting
Quality of shaping
Full text information system of engineering construction standards
Production quality inspection items and methods
Inspection method
Inspect the middle and two corners
Inspect the two ends and the middle
Inspect the two ends and the middle of the two sides
1500mm vernier caliper or
Special caliper
300~1000mm vernier
150mm vernier caliper
Inspect the center distance of two holes at any spacing
200mm vernier caliper
Inspect the distance between the two end holes and the end of the board
Inspect the two ends and the middle
Inspect the distance between the two end holes and the end of the board
Inspect the Put one side of the square ruler against the convex edge tightly and check the gap between the other side and the plate end. Check and measure the maximum gap along the length direction of the plate surface and the diagonal part. Check and measure the maximum gap along the length direction of the convex surface. Check the cross rib part of the side rib. Check any part. Check any part. Check the lowest height part. Check both ends. Check any part. Check the cross rib part. Check any part. Check the minimum length of the weld. Check the minimum height of the weld. Check the minimum length of the weld. Check the minimum height of the weld. Check the two ends and the middle part. Check the coating. Surface
Check any part
150mm vernier caliper
150mm vernier caliper
150mm vernier caliper
right-angle ruler, feeler gauge
flat ruler, feeler gauge
2000mm flat ruler, feeler gauge
right-angle ruler, feeler gauge
150mm Vernier caliper
square ruler, 0.5 steel needle
depth gauge
square ruler
300~1000mm flat ruler,
square ruler
square ruler, visual inspection
weld inspection ruler
weld inspection ruler
weld inspection ruler
square ruler, feeler gauge
.
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