Some standard content:
Engineering construction standard full text information system
National Standard of the People's Republic of China
50207-94
Technical code for roof engineering
Technical code for roof engineeringConstruction standard
1994—03—16
1994-11—01
State Bureau of Technical Supervision
Ministry of Construction of the People's Republic of China
Engineering construction standard full text information system
Jointly issued
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National Standard of the People's Republic of China
Technical code for roof engineering
Technical code for roof engineering engineering350207-94
Editor department: Shanxi Provincial Construction Department
Approval department: Ministry of Construction of the People's Republic of China Implementation date: November 1, 1994
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Notice on the release of the national standard
"Roof Engineering Technical Specifications"
Construction Standards [1994] No. 200
According to the requirements of the State Planning Commission's [1991] No. 290 document, the "Roof Engineering Technical Specifications" revised by the Shanxi Provincial Urban and Rural Construction and Environmental Protection Department and relevant departments has been reviewed by relevant departments. The "Roof Engineering Technical Specifications" GB50207-94 is now approved as a mandatory national standard and will be implemented from November 1, 1994. The original national standard "Roof Engineering Construction and Acceptance Specifications" GBJ207-83 is abolished at the same time. This specification is managed by the Shanxi Provincial Department of Urban and Rural Construction and Environmental Protection, and its specific interpretation is the responsibility of the Shanxi Provincial Construction Engineering Corporation. The publication and distribution is organized by the Standard and Quota Research Institute of the Ministry of Construction.
Ministry of Construction of the People's Republic of China
March 16, 1994
Engineering Construction Standards Full Text Information System
Engineering Construction Standards Full Text Information System
3 Basic Provisions.
Rolled waterproof roof
General Provisions
4.2 Material requirements
4.3 Key points in design
4.4 Detailed construction·
4.5 Construction of asphalt waterproofing membrane
Application of polymer modified asphalt waterproofing membrane
Construction of synthetic polymer waterproofing membrane
Coating waterproof roof
General Provisions
Material requirements
Key points in design
Detailed construction
Application of asphalt-based waterproofing membrane|| tt||Polymer modified asphalt waterproof coating
Synthetic polymer waterproof coating
Rigid waterproof roof
6.2 Material requirements
Design points
6.4 Detailed structure
6.5 Ordinary fine stone concrete waterproofing
6.6 Shrinkage compensation concrete waterproofing construction
Engineering construction standard full text information system
Engineering construction standard full text information system
6.7 Block rigid waterproofing construction
7 Roof joint sealing waterproofing
General provisions
7.2 Material requirements
7.3 Design points
7.4 Detailed structure
7.5 Modified asphalt sealing material waterproofing
Synthetic Polymer sealing material waterproofing application
Thermal insulation roof
General provisions
Material requirements
Key points in design·
Detailed structure
Insulation layer application
Overhead insulation roof application
Water storage roof application
Planting roof application
Inverted roof construction
Tile roof
General provisions
Material requirements·
Key points in design
Detailed structure
Flat tile roof construction
Corrugated tile roof construction
Asphalt tile roof construction
Corrugated steel sheet roof application
Project acceptance and management and maintenance
Quality requirements
Quality inspection
Engineering acceptance
Management and maintenance
Engineering construction standard full text information system
Engineering construction standard full text information system
Appendix A
Appendix B
Selection,
Preparation and testing of asphalt mastic··
Selection of grades and technical performance
Mixed ingredients
Preparation method
Test method
Explanation of terms used in this specification
Additional explanation·
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1.0.1 This specification is formulated to improve the technical level of my country's roofing projects and ensure the quality of waterproofing, thermal insulation and heat insulation projects.
2 This specification is applicable to the design, construction and acceptance of industrial and civil building roofing projects.
The design, construction and acceptance of roofing projects shall comply with the provisions of the relevant current national standards and specifications in addition to complying with this specification. Engineering Construction Standard Full-text Information System
Engineering Construction Standard Full-text Information System
2 Terms
Waterproof layer service life: refers to the period during which the roof waterproof layer can meet the normal use requirements.
One waterproof defense: a waterproof layer with independent waterproofing ability. 2.0.3 Asphalt waterproofing membrane: a sheet waterproofing material that can be rolled up is made by dipping asphalt with base paper, fiber fabric, fiber felt and other matrix materials, and spreading powder, granular or sheet materials on the surface.
2.0.4 Polymer modified asphalt waterproofing membrane: a sheet waterproofing material that can be rolled up is made by using synthetic polymer modified asphalt as the coating layer, fiber fabric or fiber felt as the matrix, and powder, granular, sheet or film materials as the covering material. 2.0.5 Synthetic polymer waterproofing membrane: a rollable sheet waterproofing material made of synthetic rubber, synthetic resin or a blend of the two as the base material, with appropriate amounts of chemical additives and fillers, etc., processed through different processes: or the above materials are compounded with synthetic fibers to form two or more layers of rollable sheet waterproofing materials. 2.0.6 Cold mastic: a cold-use asphalt cementing material made of petroleum asphalt, fillers, solvents, etc.
2.0.7 Base treatment agent: a coating applied to the base layer in advance before the waterproof layer is constructed in order to enhance the bonding force between the waterproof material and the base layer. 2.0.8 Grid joints: a joint pre-set on the roof leveling layer, rigid waterproof layer, and rigid protective layer in order to reduce cracks. The rigid protective layer is only made into a V-shaped groove on the surface, which is called a surface grid joint.
2.0.9 Full bonding method (full bonding method): when laying waterproofing membranes, the membrane and the base layer are fully bonded.
2.0.10 Empty paving method: When laying waterproof membrane, the membrane and the base are only bonded within a certain width around them, and the rest of the parts are not bonded. 2.0.11 Strip bonding method: When laying waterproof membrane, the membrane and the base are bonded in strips. Each membrane has at least two bonding surfaces with the base, and the width of each strip is not less than 150mm.
2.0.12 Point bonding method: When laying waterproof membrane, the membrane or perforated membrane is bonded to the base in a point-shaped manner. There are at least 5 bonding points per square meter, and the area of each point is 100mm×100mm.
2.0.13 Hot melt method: A construction method that uses a flame heater to melt the hot melt adhesive at the bottom of the hot melt waterproof membrane for bonding.
2.0.14 Cold bonding method (cold construction): a method of bonding the coiled material to the base layer or between coiled materials with adhesive or cold mastic, without the need for heating. 2.0.15 Self-adhesive method: a construction method of bonding waterproof coiled materials with self-adhesive without hot construction or the application of adhesive materials. 2.0.16 Hot air welding method: a construction method of overlapping and bonding waterproof coiled materials with a hot air welding gun.
2.0.17 Asphalt-based waterproof coating: a water-based or solvent-based waterproof coating prepared with asphalt as the base material.
2.0.18 Polymer-modified asphalt waterproof coating: a water-based or solvent-based waterproof coating prepared with asphalt as the base material and modified with synthetic high molecular polymers. 2.0.19 Synthetic polymer waterproof coating: a single-component or multi-component waterproof coating prepared with synthetic rubber or synthetic resin as the main film-forming substance. 2.0.20 Carcass reinforcement material: refers to chemical fiber non-woven fabrics, glass fiber mesh and other materials used to reinforce the coating waterproof layer.
2.0.21 Modified asphalt sealing material: a paste-like sealing material made of asphalt as the base material, modified with an appropriate amount of synthetic high molecular polymer, and added with fillers and other chemical additives.
2.0.22 Synthetic polymer sealing material: a paste-like sealing material made of synthetic polymer material as the main body, with an appropriate amount of chemical additives, fillers and colorants added, and processed through a specific production process.
2.0.23 Joint displacement: changes in joint gaps caused by temperature and external forces in the roof system.
2.0.24 Tension-compression cyclicity: reflects the ability of sealing materials to maintain sealing after undergoing periodic tension and compression cycles due to joint displacement caused by temperature changes during use.
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2.0.25 Backing material: In order to control the embedding depth of the sealing material and prevent the sealing material from sticking to the bottom of the joint, a deformable material is set between the bottom of the joint and the sealing material.
2.0.26 Block rigid waterproof layer: The waterproof cement mortar mixed with waterproofing agent is used as the bottom waterproof layer, and clay bricks and other block materials are laid in the middle, and then the waterproof cement mortar is used to fill the seams and apply the waterproof surface layer.
2.0.27 Overhead insulation roof: A thin product made of sintered clay or concrete, covered on the roof waterproof layer and erected in a certain height of space, using air flow to accelerate heat dissipation and play a role in heat insulation.
2.0.28 Water storage roof: A roof that stores a certain height of water on the roof waterproof layer to play a role in heat insulation.
2.0.29 Planted roof: A roof that is covered with soil or loose materials such as sawdust and vermiculite, and plants are planted on the roof waterproof layer to play a role in heat insulation. 2.0.30 Inverted roof: A roof that sets hydrophobic insulation materials on the waterproof layer. 2.0.31 Corrugated steel sheet: A lightweight roofing material made of galvanized steel sheet as the base material, rolled by a forming machine, and coated with various anti-corrosion and corrosion-resistant coatings and colored paint. Engineering Construction Standards Full-text Information System
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3 Basic Provisions
3.0.1 Roofing projects should be divided into four levels of roof waterproofing according to the nature, importance, functional requirements and service life of the waterproof layer of the building, and defense should be carried out according to different levels, and should meet the requirements of Table 3.0.1. 3.0.2 Roofing projects should be designed for waterproofing according to the project characteristics, regional natural conditions, and the requirements for the waterproofing level of the roof. Detailed drawings should be provided for important parts. 3.0.3 When designing roofing projects, the diameter, quantity, and thickness of the downspouts should be determined by calculation.
3.0.4 When multiple waterproof materials are used in combination in roofing projects, aging-resistant and puncture-resistant waterproof materials should be placed on the top.
3.0.5 Before the construction of the roofing project, the construction unit should review the drawings to master the detailed structures and relevant technical requirements in the construction drawings, and should prepare the construction plan or technical measures for the waterproofing project.
3.0.6 During the construction of the roofing project, inspections should be carried out according to the construction process and level, and the next process and level can be carried out only after passing the inspections. 3.0.7 The waterproofing of the roofing project must be carried out by a professional waterproofing team or waterproofing workers. It is strictly forbidden for non-professional waterproofing teams or non-waterproofing workers to carry out waterproofing construction of the roofing project. 3.0.8 The waterproofing, thermal insulation materials used in the roofing project should have material quality certification documents and be certified by the designated quality inspection department to ensure that their quality meets the technical requirements.
After the materials arrive at the site, the construction unit should take samples for retesting according to regulations and submit a test report. It is strictly forbidden to use unqualified materials in the project.
3.0.9 When the next process or adjacent project is under construction, protective measures should be taken for the completed part of the roofing project to prevent damage.
3.0.10 Pipes, equipment or embedded parts that extend out of the roof should be installed before the waterproof layer is constructed. After the roof waterproof layer is completed, drilling holes in it should be avoided. Engineering Construction Standard Full-text Information System
W.bzsoso.coI Engineering Construction Standard Full-text Information System
Roof waterproofing grade and defense requirements
Building
Waterproof layer durability
Waterproof layer
Selected materials
Defense requirements
Particularly important civil buildings and industrial buildings with special requirements for waterproofing
It is advisable to use synthetic high-molecular waterproofing membranes, polymer-modified asphalt waterproofing membranes, synthetic polymer waterproof coatings, fine stone waterproofing concrete and other materials
Three or more layers of three layers of waterproofing |The waterproof defense on the roof should include a synthetic polymer waterproof roll, and there can only be a synthetic polymer waterproof coating with a thickness of not less than 2mm. The roof waterproofing grade of important industrial and civil buildings and high-rise buildings should use polymer modified asphalt waterproof roll, synthetic polymer waterproof roll, synthetic polymer waterproof coating, polymer modified asphalt waterproof roll, fine stone waterproof concrete, flat tiles and other materials. Two waterproof defenses, of which there should be one roll. It can also be made of corrugated steel plates. For general industrial and civil buildings, three-felt and four-oil asphalt waterproof rolls should be used. Polymer modified asphalt waterproof rolls, synthetic polymer waterproof rolls, polymer modified asphalt waterproof coatings, synthetic polymer waterproof coatings, asphalt-based waterproof coatings, rigid waterproof layers, flat tiles, tt||Asphalt tiles and other materials
One waterproofing system
, or two waterproofing materials are used in combination
Non-permanent buildings
can choose two-felt three-oil asphalt waterproof roll
materials, polymer modified
bitumen waterproof coatings,
bitumen-based waterproof coatings
materials, corrugated tiles and other materials
One waterproofing system
3.0.11 Roofing projects should establish management, maintenance and upkeep systems, and designated personnel should be responsible for regular inspections and maintenance.
Engineering Construction Standards Full Text Information SystemcoI Engineering Construction Standard Full Text Information System
3 Basic Provisions
3.0.1 Roofing projects should be divided into four levels of roof waterproofing according to the nature, importance, functional requirements and durability of the waterproof layer of the building, and defense should be carried out according to different levels, and should meet the requirements of Table 3.0.1. 3.0.2 Roofing projects should be designed for waterproofing structures according to the characteristics of the project, the natural conditions of the region, and the defense requirements of the roof waterproofing level. Detailed drawings should be provided for important parts. 3.0.3 When designing roofing projects, the diameter, number and thickness of the downspouts and insulation layer should be determined by calculation.
3.0.4 When multiple waterproof materials are used in combination in roofing projects, aging-resistant and puncture-resistant waterproof materials should be placed on the top.
3.0.5 Before the construction of the roofing project, the construction unit should review the drawings, master the detailed structures and relevant technical requirements in the construction drawings, and prepare the construction plan or technical measures for the waterproofing project.
3.0.6 During the construction of the roofing project, the inspection shall be carried out according to the construction process and level, and the next process and level can be carried out only after passing the inspection. 3.0.7 The waterproofing of the roofing project must be carried out by a professional waterproofing team or waterproofing workers. It is strictly forbidden to carry out the waterproofing construction of the roofing project by non-professional waterproofing teams or non-waterproofing workers. 3.0.8 The waterproofing and thermal insulation materials used in the roofing project shall have material quality certification documents and be certified by the designated quality inspection department to ensure that their quality meets the technical requirements.
After the materials enter the site, the construction unit shall take samples for retesting according to regulations and submit a test report. It is strictly forbidden to use unqualified materials in the project.
3.0.9 When the next process or adjacent project is constructed, protective measures should be taken for the completed part of the roofing project to prevent damage.
3.0.10 Pipes, equipment or embedded parts extending out of the roof should be installed before the waterproofing layer is constructed. After the roofing waterproofing layer is completed, drilling holes on it should be avoided. Engineering Construction Standard Full-text Information System
W.bzsoso.coI Engineering Construction Standard Full-text Information System
Roof waterproofing grade and defense requirements
Building
Waterproof layer durability
Waterproof layer
Selected materials
Defense requirements
Particularly important civil buildings and industrial buildings with special requirements for waterproofing
It is advisable to use synthetic high-molecular waterproofing membranes, polymer-modified asphalt waterproofing membranes, synthetic polymer waterproof coatings, fine stone waterproofing concrete and other materials
Three or more layers of three layers of waterproofing |The waterproof defense on the roof should include a synthetic polymer waterproof roll, and there can only be a synthetic polymer waterproof coating with a thickness of not less than 2mm. The roof waterproofing grade of important industrial and civil buildings and high-rise buildings should use polymer modified asphalt waterproof roll, synthetic polymer waterproof roll, synthetic polymer waterproof coating, polymer modified asphalt waterproof roll, fine stone waterproof concrete, flat tiles and other materials. Two waterproof defenses, of which there should be one roll. It can also be made of corrugated steel plates. For general industrial and civil buildings, three-felt and four-oil asphalt waterproof rolls should be used. Polymer modified asphalt waterproof rolls, synthetic polymer waterproof rolls, polymer modified asphalt waterproof coatings, synthetic polymer waterproof coatings, asphalt-based waterproof coatings, rigid waterproof layers, flat tiles, tt||Asphalt tiles and other materials
One waterproofing system
, or two waterproofing materials are used in combination
Non-permanent buildings
can choose two-felt three-oil asphalt waterproof roll
materials, polymer modified
bitumen waterproof coatings,
bitumen-based waterproof coatings
materials, corrugated tiles and other materials
One waterproofing system
3.0.11 Roofing projects should establish management, maintenance and upkeep systems, and designated personnel should be responsible for regular inspections and maintenance.
Engineering Construction Standards Full Text Information SystemcoI Engineering Construction Standard Full Text Information System
3 Basic Provisions
3.0.1 Roofing projects should be divided into four levels of roof waterproofing according to the nature, importance, functional requirements and durability of the waterproof layer of the building, and defense should be carried out according to different levels, and should meet the requirements of Table 3.0.1. 3.0.2 Roofing projects should be designed for waterproofing structures according to the characteristics of the project, the natural conditions of the region, and the defense requirements of the roof waterproofing level. Detailed drawings should be provided for important parts. 3.0.3 When designing roofing projects, the diameter, number and thickness of the downspouts and insulation layer should be determined by calculation.
3.0.4 When multiple waterproof materials are used in combination in roofing projects, aging-resistant and puncture-resistant waterproof materials should be placed on the top.
3.0.5 Before the construction of the roofing project, the construction unit should review the drawings, master the detailed structures and relevant technical requirements in the construction drawings, and prepare the construction plan or technical measures for the waterproofing project.
3.0.6 During the construction of the roofing project, the inspection shall be carried out according to the construction process and level, and the next process and level can be carried out only after passing the inspection. 3.0.7 The waterproofing of the roofing project must be carried out by a professional waterproofing team or waterproofing workers. It is strictly forbidden to carry out the waterproofing construction of the roofing project by non-professional waterproofing teams or non-waterproofing workers. 3.0.8 The waterproofing and thermal insulation materials used in the roofing project shall have material quality certification documents and be certified by the designated quality inspection department to ensure that their quality meets the technical requirements.
After the materials enter the site, the construction unit shall take samples for retesting according to regulations and submit a test report. It is strictly forbidden to use unqualified materials in the project.
3.0.9 When the next process or adjacent project is constructed, protective measures should be taken for the completed part of the roofing project to prevent damage.
3.0.10 Pipes, equipment or embedded parts extending out of the roof should be installed before the waterproofing layer is constructed. After the roofing waterproofing layer is completed, drilling holes on it should be avoided. Engineering Construction Standard Full-text Information System
W.bzsoso.coI Engineering Construction Standard Full-text Information System
Roof waterproofing grade and defense requirements
Building
Waterproof layer durability
Waterproof layer
Selected materials
Defense requirements
Particularly important civil buildings and industrial buildings with special requirements for waterproofing
It is advisable to use synthetic high-molecular waterproofing membranes, polymer-modified asphalt waterproofing membranes, synthetic polymer waterproof coatings, fine stone waterproofing concrete and other materials
Three or more layers of three layers of waterproofing |The waterproof defense on the roof should include a synthetic polymer waterproof roll, and there can only be a synthetic polymer waterproof coating with a thickness of not less than 2mm. The roof waterproofing grade of important industrial and civil buildings and high-rise buildings should use polymer modified asphalt waterproof roll, synthetic polymer waterproof roll, synthetic polymer waterproof coating, polymer modified asphalt waterproof roll, fine stone waterproof concrete, flat tiles and other materials. Two waterproof defenses, of which there should be one roll. It can also be made of corrugated steel plates. For general industrial and civil buildings, three-felt and four-oil asphalt waterproof rolls should be used. Polymer modified asphalt waterproof rolls, synthetic polymer waterproof rolls, polymer modified asphalt waterproof coatings, synthetic polymer waterproof coatings, asphalt-based waterproof coatings, rigid waterproof layers, flat tiles, tt||Asphalt tiles and other materials
One waterproofing system
, or two waterproofing materials are used in combination
Non-permanent buildings
can choose two-felt three-oil asphalt waterproof roll
materials, polymer modified
bitumen waterproof coatings,
bitumen-based waterproof coatings
materials, corrugated tiles and other materials
One waterproofing system
3.0.11 Roofing projects should establish management, maintenance and upkeep systems, and designated personnel should be responsible for regular inspections and maintenance.
Engineering Construction Standards Full Text Information SystemCoI Engineering Construction Standard Full-text Information System
Roof waterproofing grade and defense requirements
Building
Waterproof layer durability
Waterproof layer
Selected materials
Defense requirements
Particularly important civil buildings and industrial buildings with special requirements for waterproofing
It is advisable to use synthetic high molecular waterproofing membranes, polymer modified asphalt waterproofing membranes, synthetic polymer waterproof coatings, fine stone waterproof concrete and other materials
Three or more waterproof defenses, other
|There should be one synthetic polymer waterproof roll, and there can only be one synthetic polymer waterproof coating with a thickness of not less than 2mm. For roof waterproofing grade, important industrial and civil buildings and high-rise buildings should use polymer modified asphalt waterproof roll, synthetic polymer waterproof roll, synthetic polymer waterproof coating, polymer modified asphalt waterproof roll, fine stone waterproof concrete, flat tiles and other materials. Two waterproof devices should be used, of which there should be one roll. It can also be made of corrugated steel plates. For general industrial and civil buildings, three-felt and four-oil asphalt waterproof rolls should be used. Polymer modified asphalt waterproof rolls, synthetic polymer waterproof rolls, polymer modified asphalt waterproof coatings, synthetic polymer waterproof coatings, asphalt-based waterproof coatings, rigid waterproof layers, flat tiles, tt||Asphalt tiles and other materials
One waterproofing systemwwW.bzxz.Net
, or two waterproofing materials are used in combination
Non-permanent buildings
can choose two-felt three-oil asphalt waterproof roll
materials, polymer modified
bitumen waterproof coatings,
bitumen-based waterproof coatings
materials, corrugated tiles and other materials
One waterproofing system
3.0.11 Roofing projects should establish management, maintenance and upkeep systems, and designated personnel should be responsible for regular inspections and maintenance.
Engineering Construction Standards Full Text Information SystemCoI Engineering Construction Standard Full-text Information System
Roof waterproofing grade and defense requirements
Building
Waterproof layer durability
Waterproof layer
Selected materials
Defense requirements
Particularly important civil buildings and industrial buildings with special requirements for waterproofing
It is advisable to use synthetic high molecular waterproofing membranes, polymer modified asphalt waterproofing membranes, synthetic polymer waterproof coatings, fine stone waterproof concrete and other materials
Three or more waterproof defenses, other
|There should be one synthetic polymer waterproof roll, and there can only be one synthetic polymer waterproof coating with a thickness of not less than 2mm. For roof waterproofing grade, important industrial and civil buildings and high-rise buildings should use polymer modified asphalt waterproof roll, synthetic polymer waterproof roll, synthetic polymer waterproof coating, polymer modified asphalt waterproof roll, fine stone waterproof concrete, flat tiles and other materials. Two waterproof devices should be used, of which there should be one roll. It can also be made of corrugated steel plates. For general industrial and civil buildings, three-felt and four-oil asphalt waterproof rolls should be used. Polymer modified asphalt waterproof rolls, synthetic polymer waterproof rolls, polymer modified asphalt waterproof coatings, synthetic polymer waterproof coatings, asphalt-based waterproof coatings, rigid waterproof layers, flat tiles, tt||Asphalt tiles and other materials
One waterproofing system
, or two waterproofing materials are used in combination
Non-permanent buildings
can choose two-felt three-oil asphalt waterproof roll
materials, polymer modified
bitumen waterproof coatings,
bitumen-based waterproof coatings
materials, corrugated tiles and other materials
One waterproofing system
3.0.11 Roofing projects should establish management, maintenance and upkeep systems, and designated personnel should be responsible for regular inspections and maintenance.
Engineering Construction Standards Full Text Information System
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