Home Cart Quotation About-Us
www.ChineseStandard.net
SEARCH

GB 55030-2022 English PDF

Q: How long will the true-PDF of English version of GB 55030-2022 be delivered?

Upon your order, we will start to translate GB 55030-2022_English as soon as possible, and keep you informed of the progress. The lead time is typically 5 ~ 8 working days. The lengthier the document the longer the lead time.

Q: Can I share the purchased PDF of GB 55030-2022_English with my colleagues?

Yes. The purchased PDF of GB 55030-2022_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Q: Does the price include tax/VAT?

Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries). Avoidance of Double Taxation Agreements (DTAs) between Singapore and 100+ Countries: https://www.iras.gov.sg/taxes/international-tax

Q: Do you accept my currency other than USD?

Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

US$889.00 · In stock
Delivery: <= 8 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB 55030-2022: General code for waterproofing of building and municipal engineering
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 55030-2022	889	Add to Cart	8 days	General code for waterproofing of building and municipal engineering	Valid

Similar standards

GB 55033 GB 55031

Basic data

Standard ID: GB 55030-2022 (GB55030-2022)
Description (Translated English): General code for waterproofing of building and municipal engineering
Sector / Industry: National Standard
Word Count Estimation: 44,417
Date of Issue: 2022-09-27
Date of Implementation: 2023-04-01
Issuing agency(ies): Ministry of Housing and Urban-Rural Development of the People's Republic of China; State Administration for Market Regulation

GB 55030-2022: General code for waterproofing of building and municipal engineering

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
1 General 1.0.1 In order to standardize the waterproof performance of buildings and municipal engineering, ensure personal health, life and property safety, ecological environment safety, and waterproof engineering quality, and meet the needs of economic and social management, this specification is formulated in accordance with relevant laws and regulations. 1.0.2 Waterproofing of buildings and municipal works must comply with this specification. 1.0.3 Whether the technical methods and measures adopted in the project construction meet the requirements of this specification shall be judged by the relevant responsible parties. Among them, innovative technical methods and measures should be demonstrated and meet the performance requirements in this specification. 2 Basic regulations 2.0.1 The waterproofing of the project should follow the principles of adapting measures to local conditions, focusing on prevention, combining prevention and drainage, and comprehensive management. 2.0.2 The working life of the waterproof design of the project shall meet the following requirements. 1 The working life of underground engineering waterproof design should not be lower than the working life of engineering structure design; 2 The waterproof design working period of the roof project should not be less than 20 years; 3.The working life of indoor engineering waterproof design should not be less than 25 years;

4 The working life of bridge deck waterproof design should not be lower than the design working life of bridge deck pavement

5 The design working life of the waterproof layer on the inner wall of non-erosive medium water storage projects shall not be less than 10 years. 2.0.3 Projects are classified into Category A, Category B and Category C according to the importance of waterproof function, and the specific classification shall comply with the provisions in Table 2.0.3. 2.0.4 The category classification of engineering waterproof use environment shall comply with the provisions in Table 2.0.4. 2.0.5 For the open-cut underground project whose waterproof use environment category is Class II, when the annual precipitation in the project site is greater than 400mm, it should be selected according to Class I waterproof use environment. 2.0.6 The waterproof grade of the project shall be divided into first grade, second grade and third grade according to the engineering category and the engineering waterproof use environment category. The waterproof level of underground engineering by underground excavation method shall be determined according to factors such as project category, engineering geological conditions and construction conditions, and the waterproof level of other projects shall not be lower than the following regulations 1 Class I waterproof. Category A project under Category I and Category II waterproof environment; Category B project under Category I waterproof environment. 2 Secondary waterproofing. Category A project under Category III waterproof environment; Category B project under Category II waterproof environment; Category C project under Category I waterproof environment. 3 Three-level waterproof. Class B project under Class III waterproof environment; Class C project under Class II and III waterproof environment. 2.0.7 The waterproof material used in the project should meet the durability requirements, and the waterproof layer of the membrane should meet the requirements of seam peel strength and lap seam impermeability.

3 Material Engineering Requirements

3.1 General provisions 3.1.1 The durability of the waterproof material should be compatible with the working life of the engineering waterproof design. 3.1.2 The selection of waterproof materials should meet the following requirements. 1 The performance of the material should be compatible with the environmental conditions of the project; 2 The thickness of each waterproof layer shall meet the minimum thickness requirements of waterproof fortification; 3 The limit of substances and harmful substances of waterproof materials that affect the environment shall meet the requirements. 3.1.3 The flammability level of the exposed waterproof material should not be lower than B2 level. 3.2 Waterproof concrete 3.2.1 The construction mix ratio of waterproof concrete should be determined through tests, and its strength grade should not be lower than C25, and the impermeability grade of trial concrete should be 0.2MPa higher than the design requirements. 3.2.2 Technical measures to reduce cracking shall be adopted for waterproof concrete. 3.2.3 In addition to meeting the requirements of compression resistance, impermeability and crack resistance, waterproof concrete should also meet the durability requirements of the environment and working conditions of the project. 3.3 Waterproof membrane and waterproof coating 3.3.1 Water resistance test of waterproof materials The test should be carried out under the condition of not lower than 23℃×14d, and there should be no cracks, delamination, blistering and broken phenomena after the test. When used in underground projects, the water immersion test conditions should not be lower than 23°C×7d, and the water absorption rate of the waterproof membrane should not exceed 4%; the retention rate of the bonding strength between the waterproof coating and the base layer after immersion should not be less than 80%, and the non-cured The rubber asphalt waterproof coating should be cohesive failure. 3.3.2 The thermal aging test of asphalt materials shall be carried out under the condition of not lower than 70°C×14d, and the thermal aging test of polymer materials shall be carried out under the condition of not lower than 80°C×14d. Low temperature flexibility or low temperature bendability temperature rise It should not exceed the standard value before heat aging by 2°C. 3.3.3 The artificial climate accelerated aging test for exposed waterproof materials should be carried out with xenon arc lamps, and the cumulative irradiated energy at 340mm wavelength should not be less than 5040kJ/(m2·nm). The energy should not be less than 10080kJ/(m²·nm), and the material should not appear cracking, delamination, foaming, bonding and holes after the test. 3.3.4 The seam peel strength of the waterproof membrane shall meet the requirements in Table 3.3.4, the heat aging test condition shall not be lower than 70℃×7d, and the water immersion test condition shall not be lower than 23℃×7d. 3.3.5 The impermeability of lap joints of waterproof membranes shall meet the requirements in Table 3.3.5, the conditions of heat aging test shall not be lower than 70℃×7d, and the conditions of water immersion test shall not be lower than 23℃×7d. 3.3.6 The bond strength between the waterproof material used for concrete bridge deck waterproofing and the concrete base at 23°C should not be less than 0.25MPa. 3.3.7 The material performance of the waterproof bonding layer of the steel bridge deck should be able to guarantee the normal use and durability requirements under fatigue loads such as traffic loads and temperature effects. 3.3.8 The root puncture resistant waterproof material shall pass the root puncture resistance test. 3.3.9 The waterproof membrane or waterproof coating that has been in a corrosive environment for a long time shall pass the durability test of corrosive media. 3.3.10 The minimum thickness of the membrane waterproof layer shall comply with the provisions in Table 3.3.10. 3.3.11 The minimum thickness of the waterproof layer of reactive polymer waterproof coatings, polymer emulsion waterproof coatings and water-based polymer asphalt waterproof coatings shall not be less than 1.5mm, and the minimum thickness of the waterproof layer of rubber asphalt waterproof coatings in hot-melt construction shall not be less than 1.5 mm. Should be less than 2.0mm. 3.3.12 When hot-melt construction rubber asphalt waterproof coating is used together with waterproof membrane as a waterproof layer, its thickness should not be less than 1.5mm. 3.4 Cement-based waterproof materials 3.4.1 The performance of exterior-coated cement-based osmotic crystalline waterproof materials shall comply with the current national standard "Cement-based osmotic crystalline waterproof materials" GB 18445.The thickness of the waterproof layer shall not be less than 1.0mm, and the dosage shall not be less than 1.5kg/ m2. 3.4.2 The performance indexes of polymer cement waterproof mortar and polymer cement waterproof slurry shall meet the requirements in Table 3.4.2. 3.4.3 When used in underground engineering, the thickness of the polymer cement waterproof mortar waterproof layer should not be less than 6.0mm, and the thickness of the mortar waterproof layer mixed with admixtures and waterproofing agents should not be less than 18.0mm. 3.5 Sealing material 3.5.1 The mass loss rate of building sealants for non-structural bonding should not exceed 8% for silicone, 5% for modified silicone, 7% for polyurethane, and 5% for polysulfide. 3.5.2 The properties of rubber waterstops, rubber gaskets and water-swellable rubber products should meet the current national standards "Polymer Waterproof Materials Part 2.Waterstops" GB/T 18173.2, "Polymer Waterproof Materials Part 3. Water-swellable rubber" GB/T 18173.3 and "Polymer Waterproof Materials Part 4.Rubber Gaskets for Shield Tunnel Segments" GB/T 18173.4. 3.6 Other materials 3.6.1 The dry weight per unit area of the natural sodium bentonite waterproof blanket should not be less than 5.0kg/m², and the durability index of the natural sodium bentonite waterproof blanket should meet the requirements in Table 3.6.1. 3.6.2 The thickness of the roof profiled metal plate shall be determined by the structural design and shall meet the following requirements 1 The nominal thickness of the profiled aluminum alloy surface plate should not be less than 0.9mm; 2 The nominal thickness of the profiled steel surface layer shall not be less than 0.6mm; 3 The nominal thickness of the profiled stainless steel surface plate shall not be less than 0.5mm.

4 designs

4.1 General provisions 4.1.1 Project waterproofing should carry out special waterproofing design. 4.1.2 The following structural layers should not be used as a waterproof layer. 1 Concrete roof slab; 2 plastic drainage boards; 3 Decorative tiles and non-lapped tiles without waterproof function; 4 Grouting reinforcement. 4.1.3 The waterproof grade of the planted roof and the planted roof of underground buildings (structures) shall be Class I, and at least one waterproof layer with root puncture resistance shall be set, and a protective layer shall be set on it. 4.1.4 There should be no harmful physical and chemical effects between adjacent materials and their construction techniques. 4.1.5 The main structure on the water-facing surface of underground works shall adopt waterproof concrete, and shall meet the following requirements. 1 Waterproof concrete shall meet the requirements of impermeability level; 2 The thickness of the waterproof concrete structure should not be less than 250mm; 3 The crack width of waterproof concrete should not be greater than the allowable limit of the structure, and should not penetrate 4 The impermeability grade of waterproof concrete for frost-resistant fortified sections in cold regions shall not be lower than P10. 4.1.6 Underground engineering subject to medium and above corrosive media shall meet the following requirements 1 The strength grade of waterproof concrete should not be lower than C35; 2 The design impermeability grade of waterproof concrete should not be lower than P8; 3 The main structure on the water-facing surface shall adopt corrosion-resistant waterproof concrete, and the external waterproof layer shall meet the corrosion-resistant requirements. 4.1.7 Drainage facilities should have functions such as collection, flow path and discharge. The sump and drainage ditches of underground works shall be waterproofed, and the longitudinal slope of the drainage ditches shall not be less than 0.2%. 4.1.8 The structural design of waterproof joints shall meet the following requirements. 1 When waterproof paint is used for the additional waterproof layer, carcass reinforcing materials shall be provided;

2 The rubber waterstop set for structural deformation joints shall meet the maximum deformation allowed by the structure

3 When the waterproof casing is installed on the wall-piercing pipe, the space between the waterproof casing and the wall-piercing pipe shall be sealed. 4.2 Underground engineering by open cut method 4.2.1 Waterproofing methods for cast-in-place concrete structures in open-cut underground works shall meet the following requirements 1 The waterproofing method of the main structure shall comply with the provisions in Table 4.2.1. 2 For engineering parts such as the side walls of the superimposed structure, the external waterproof layer shall adopt cement-based waterproof materials. 4.2.2 The design of the connection joints of fabricated underground structural components shall meet the waterproof and durability requirements. 4.2.3 The minimum impermeability grade of waterproof concrete for open-cut underground works shall meet the requirements in Table 4.2.3. 4.2.4 The waterproof fortification measures for joints of underground engineering structures by open-cut method shall comply with the provisions in Table 4.2.4. 4.2.5 The waterproofing method of the cover-excavation method shall meet the following requirements. 1 The waterproofing of peripheral devices shall comply with the provisions of Article 4.2.1 of this specification. 2 When the support structure and the roof of the main structure are rigidly connected, the waterproofing of the joint surface shall use externally coated cement-based permeable crystalline waterproofing materials. 4.2.6 The compaction coefficient of the backfill layer shall not be less than 0.94 in the range from the foundation to the 500mm above the structural bottom plate and the range of not less than 500mm above the structural roof. 4.2.7 The waterproof fortification range of the attached fully underground or semi-underground project shall be higher than the outdoor floor, and the excess height shall not be less than 300mm. 4.2.8 The waterproof design of the basement roof of civil buildings shall meet the following requirements. 1 The accumulated water in the covering soil should be drained to the surrounding soil or building drainage system; 2 The part adjacent to the above-ground building shall be provided with flashing, and the height above the covering soil or the site shall not be less than 500mm. 4.3 Underground engineering by underground excavation method 4.3.1 The waterproof method of the composite lining of underground engineering in mining method shall comply with the provisions in Table 4.3.1. 4.3.2 If there is no external waterproof layer in the inverted arch, other parts shall be provided with external waterproof layer according to the provisions of Article 4.3.1 of this code, and a drainage system shall be installed. 4.3.3 The waterproof fortification measures for the secondary lining joints of the mine method underground engineering shall comply with the provisions in Table 4.3.3. 4.3.4 The gap between the secondary lining and the waterproof layer of the vault of the mining method tunnel engineering should be filled and compacted by grouting. 4.3.5 The waterproofing of shield tunneling projects shall meet the following requirements. 1 The compressive strength grade of the concrete segment shall not be lower than C50, and the impermeability grade shall not be lower than P10. 2 The segment shall be provided with at least one gasket groove, and the segment joint gasket shall be able to be completely pressed into the segment groove. The ratio of the cross-sectional area of the gasket groove to the cross-sectional area of the gasket should not be less than 1.00 and should not be greater than 1.15. 3 The segment joint gasket shall be able to ensure no leakage under the condition of the calculated maximum opening of the joint, the maximum allowable misalignment in the design and the water head at the buried depth not less than 2 times the water pressure. 4 The shape of the rubber sealing ring of the segment bolt hole should match the groove. 4.3.6 The waterproofing of pipe jacking and box culvert jacking tunnel engineering shall meet the following requirements. 1 The pipe joints shall be provided with rubber gaskets; 2 The pipe joints shall meet the requirements for sealing and waterproofing under the maximum allowable deformation of the structure; 3 Anti-corrosion measures should be taken for the steel socket of the press head. 4.4 Building roofing works 4.4.1 The waterproofing method of building roofing works shall meet the following requirements. 1 The waterproof method of flat roof engineering shall comply with the provisions in Table 4.4.1-1. 2 The waterproofing method of the tile roof project shall comply with the provisions in Table 4.4.1-2. 3 The waterproofing method of metal roofing project shall comply with the provisions in Table 4.4.1-3.All-welded sheet metal roofing should be considered a waterproofing practice for Class I waterproofing. 4 When using a single layer of exposed waterproof membranes such as polyvinyl chloride waterproof membranes (PVC), thermoplastic polyolefin waterproof membranes (TPO), and EPDM waterproof membranes (EPDM) on the base layer of the roof metal plate, The thickness of the waterproof membrane should not be less than 1.8mm for the first grade of waterproofing, 1.5mm for the second grade of waterproofing, and 1.2mm for the third grade of waterproofing. 4.4.2 The water drainage (storage) layer of the planted roof project should be designed in conjunction with the roof drainage system, and should not be used as a root puncture-resistant waterproof layer, and an organized drainage channel should be provided to drain rainwater to the roof drainage system. 4.4.3 The drainage slope of the roof shall be determined according to the roof structure type, the type of the base layer of the roof, the waterproof structure type, the material performance and the use environment and other conditions, and shall meet the following requirements 1 The drainage slope of the roof shall meet the requirements in Table 4.4.3. 2 When structural slope finding is adopted for the roof, the slope shall not be less than 3%. 3 The longitudinal slope of concrete roof gutters and gutters shall not be less than 1%. 4.4.4 The roof shall be provided with an independent rainwater collection or drainage system. 4.4.5 The waterproof structure design of the roof project shall meet the following requirements. 1 When the equipment is placed on the waterproof layer, an additional layer should be provided. 2 Additional layers or multiple waterproofing treatments shall be provided for the waterproof layer at the flooding places of gutters, gutters, skylights, rainwater pipes and pipe wells protruding from the roof. 3 Roof rainwater gutters and gutters should not cross deformation joints, and an additional waterproof layer should be provided at the flooded part of roof deformation joints, and the waterproof layer should be paved or painted to the top surface of the deformation joint retaining wall. The high and low span deformation joints should be sealed with materials and structures with sufficient def......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB 55030-2022_English be delivered?

Answer: Upon your order, we will start to translate GB 55030-2022_English as soon as possible, and keep you informed of the progress. The lead time is typically 5 ~ 8 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB 55030-2022_English with my colleagues?

Answer: Yes. The purchased PDF of GB 55030-2022_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.