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JTGF40-2004 English PDF

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JTGF40-2004: Technical specifications for construction of highway asphalt pavements
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Basic data

Standard ID JTG F40-2004 (JTGF40-2004)
Description (Translated English) Technical specifications for construction of highway asphalt pavements
Sector / Industry Highway & Transportation Industry Standard
Classification of Chinese Standard P66
Classification of International Standard 93.080
Word Count Estimation 196,149
Date of Issue 2004-09-04
Date of Implementation 2005-01-01
Older Standard (superseded by this standard) JTJ 032-1994; JTJ 036-1998
Regulation (derived from) Ministry of Transport Notice 2013 No. 8
Summary This standard applies to new construction and renovation of each grade highway asphalt pavement works.

JTGF40-2004: Technical specifications for construction of highway asphalt pavements

---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.
Technical Specification for Construction of Highway Asphalt Pavements People's Republic of China industry standard Asphalt pavement construction specifications Posted 2004-09-04 2005-01-01 implementation People's Republic of China Ministry of Transportation released Compiling institutes. Department of Transportation Highway Research Institute Approved by. People's Republic of China Ministry of Transportation Effective Date. January 1, 2005 About publishing "Asphalt pavement construction specifications" (JTG F40-2004) of Notice No. 24 Now issued "asphalt pavement construction specifications" (JT G F40-2004), shall become effective on June 1, 2003, the original "asphalt pavement construction specifications" (JT J 032--94) and "Modified Asphalt Pavement construction technical specification "(JT J036-98) shall be repealed simultaneously. "Asphalt pavement construction specifications" (JT G F40-2004) by the Ministry of Communications Highway Research Institute editor, standard management authority and interpretation of the Ministry of Communications, the daily management and detailed explanation by the Ministry of Communications Highway Research Institute is responsible. Please note that in practice the relevant units of accumulated material, lessons learned, timely issues and amendments communicated to the Ministry of Transportation found Highway Research Institute (No. 8 West Tucheng Road, Haidian District, Beijing, Zip 100 088), for reference when revised. Special announcement. People's Republic of China Ministry of Transportation (8) to adjust the compacted layer thickness suitable mix different sizes, different layers of asphalt mixture type, specification. The need for structural design, material review and monitoring during construction clearly be recognized. (9) in the part of the construction process, a major revision of the mixing plant requirements proposed process control, inspection method of the total, increased by improving the flatness of measures to emphasize and strengthen the paving width restrictions tire roller compaction, etc... He highlighted the problem of winter construction and construction during the rainy season. (10) to modify the permeability layer, adhesive layer, sealing layer content. The sealing layer is transferred to a surface portion of the chapter Treatment, and update the contents of the new structure related to slurry seal, micro surfacing like. (11) Amendment of the construction quality inspection indicators, frequency, method, add the water density (permeability coefficient), and stresses the degree of compaction test primarily process control, played down the borehole. (12) Amendment thickness, mix type, construction techniques Bridge Deck. It puts forward the basic requirements of the Steel Bridge Deck. It focuses on freeway, highway demanding higher this revision. Many of the provisions of the different levels of road explicitly put forward different requirements. Units and individuals in this specification any comments or suggestions, you can contact the unit specifications prepared for the next revision of reference. Compiling institutes. Department of Transportation Highway Research Institute Main drafters. Chen Jinan, Li Fupu, Chen Jing

Table of Contents

1 General · 2 terminology, symbols, codes · 2.1 Terms · 2.2 symbols and codes · · Primary 3 4 Materials · 4.1 General provisions · 4.2 road asphalt · · 4.3 Emulsified Asphalt 4.4 liquid petroleum asphalt · 4.5 coal tar · 4.6 Modified · 4.7 modified asphalt emulsion · 4.8 Aggregate · 4.9 fine aggregate · 4.10 filler ????? 4.11 fiber stabilizer ????? 5 hot mix asphalt pavement · 5.1 General provisions · 5.2 Construction Preparation · 5.3 Mix Design, 5.4 Mixture mixing · 5.5 Mixture Transport · 5.6 mix paving · 5.7 asphalt pavement compaction and molding · 5.8 seams · 5.9 and other open traffic · 6 Surface Treatment and asphalt seal coat · 6.1 General provisions · Laying of asphalt surface layer 6.2 Treatment · 6.3 on the cover layer · 6.4 Under the cover layer · 5.5 slurry seal and micro surfacing · 7 penetration asphalt pavement · 7.1 General provisions · 7.2 material specifications and amounts · 7.3 Construction Preparation · 7.4 Construction Method ·

8 Cold Mix Asphalt Concrete Pavement

8.1 General provisions · 8.2 Cold mix asphalt mix design · 8.3 cold mix asphalt pavement construction · 8.4 cold patch asphalt · 9 prime coat, sticky layer · · 9.1 permeable layer 9.2 adhesive layer · 10 Other asphalt pavement works ??? 10.1 General provisions ????? 10.2 pedestrians and non-motorized road ????? 10.3 heavy vehicle parking, bus stop ????? 10.4 asphalt concrete bridge deck pavement ????? 10.5 steel bridge deck ????? 10.6 highway tunnel asphalt pavement ????? 10.7 curbs and stone check with ????? 11 construction quality management and inspection and acceptance · 11.1 General provisions ????? Materials and equipment inspection ????? 11.2 pre-construction 11.3 paving test section ????? 11.4 construction process management and quality inspection 11.5 The date of acceptance stage of project quality inspection and acceptance 11.6 Summary and Construction Quality Assurance Management Appendix A Asphalt Pavement climate partitions · B Appendix hot mix asphalt design method than with ????? Appendix C SMA Mixture Ratio Design Method Appendix D OGFC · Mixture Ratio Design Method Appendix E asphalt layer compaction Evaluation Method · Appendix F dynamic construction quality management approach ????? Appendix G of asphalt pavement quality control process and the total amount of test methods ????? Appendix H of the specification wording legend · Accessories. highway asphalt pavement construction specifications (JT G F40-2004) provision in ?????

1 General

2 terminology, symbols, codes

3 Primary

4 Materials

5 hot mix asphalt pavement

6 and seal coat asphalt surface Treatment

7 penetration asphalt pavement

8 Cold Mix Asphalt Pavement

9 transparent layer, adhesive layer 10 other Asphalt Pavement Engineering · 11 construction quality management and inspection and acceptance · Appendix A Asphalt Pavement climate partition ??? B Appendix hot mix asphalt design method than with ????? Appendix C SMA Mixture Ratio Design Method · Appendix D OGFC Mixture Ratio Design Method ????? Appendix E Evaluation Method of compaction of asphalt layers ??? Appendix F dynamic construction quality management approach ????? Appendix G of asphalt pavement quality control process and the total amount of test methods ?????

1 General

1.0.1 To implement the "meticulous construction, quality first" approach, to ensure the construction quality of asphalt pavement formulated norms. 1.0.2 This specification applies to all grades and new asphalt pavement reconstruction project road. 1.0.3 Asphalt Pavement Construction must comply with national environmental and ecological protection provisions. 1.0.4 Construction of asphalt pavement must have construction design, construction and ensure a reasonable date. Asphalt pavement construction can not be the case the temperature is below 10 ℃ (highways and roads) or 5 ℃ (other grade highway), as well as rain, wet pavement. 1.0.5 asphalt pavement construction should be continuous, and possibly other steps to avoid contamination of asphalt layer crosstalk, construction and transport in order to eliminate pollution. 1.0.6 asphalt pavement construction should meet the needs of road traffic conditions and the location of the project climatic conditions, climate Partitioning by Zoning Appendix A. 1.0.7 asphalt pavement construction should have good labor protection, to ensure construction safety. Asphalt mixing plant with fire prevention facilities. Formulation and use of liquid petroleum asphalt the whole process of smoking. Should take measures to prevent the use of coal tar pitch coal tar vapor inhalation staff or avoid direct skin contact with coal tar cause physical damage. 1.0.8 Test of Asphalt Pavement testing laboratory shall be approved, obtain the appropriate qualifications, test personnel certificates, instruments and equipment must be accredited. 1.0.9 asphalt pavement works should actively use tried and proven effective new technology, new materials, new technology. 1.0.10 asphalt pavement construction shall comply with this specification, there should be consistent with existing national standards promulgated norms. Special asphalt pavement engineering and geological conditions of the area, should be based on the actual situation, the development of supplementary provisions. Provinces, municipalities and autonomous regions, or construction units according to the specific circumstances, to develop appropriate technical guidelines, but not less than the prescribed technical requirements of this specification. 2 terminology, symbols, codes 2.1 Terminology 2.1.1 Asphalt Binder In the asphalt mixture from the cementation of asphalt-like material (containing admixture added, modified, etc.) in general. 2.1.2 emulsified asphalt emulsified bitumen (English), asphalt emulsion, emulsified asphalt (United States) Petroleum bitumen and water under the action of an emulsifier, stabilizer of emulsified processed to obtain a uniform asphalt products, also known as bitumen emulsion. 2.1.3 liquid asphalt liquid bitumen (English), cutback asphalt (United States) Gasoline, kerosene, diesel and other petroleum solvents diluted bitumen from the asphalt products, also known as light bitumen or cutback asphalt. 2.1.4 modified asphalt modified bitumen (English), modified asphalt cement (United States) Adding rubber, resins, polymers, natural asphalt, ground rubber powder or other material loaded with admixture (modifier), asphalt or asphalt mixture performance can be improved and made of asphalt binder. 2.1.5 modified emulsified asphalt modified emulsified bitumen (English), modified asphalt emulsion (United States) In the process of making asphalt emulsion polymer latex added simultaneously, or mixed with the polymer latex emulsified asphalt products, asphalt or polymer modified emulsified asphalt emulsion obtained by processing products. 2.1.6 natural asphalt natural bitumen (UK) natural asphalt (United States) In the long-term nature of oil by squeezing the earth's crust, changes, and with the air, the water contact is formed gradually change to native state petroleum bitumen, which is often mixed with a certain percentage of minerals. Formed by the environment can be divided into the lake asphalt, rock asphalt, bitumen seabed, oil shale. 2.1.7 permeable layer prime coat For the asphalt surface and grass-roots non-bituminous material with good spraying liquid asphalt on the base, emulsified asphalt, coal tar pitch and the formation of a thin layer of grass-roots penetrating into the surface of a certain depth. 2.1.8 adhesive layer tack coat To strengthen the bond between the asphalt pavement layer and an asphalt layer, layer of asphalt and cement concrete road surface while spraying a thin layer of asphalt material. 2.1.9 seal coat seal coat Closed surface voids, to prevent water intrusion on the asphalt surface or substrate paved asphalt mixed with a certain thickness A thin layer of material. Paved asphalt surface layer surface is referred to on the cover layer, paving asphalt surface layer below the surface of the base layer is called seal coat. 2.1.10 slurry seal slurry seal With the appropriate graded sand or stone chips, fillers (cement, lime, fly ash, powder, etc.) and emulsified asphalt, admixture and water by a certain percentage from the mixing fluid state asphalt mixture to evenly asphalt paving to seal layer formed on the road surface. 2.1.11 micro-surfacing Micro-surfacing With the appropriate graded sand or stone chips, fillers (cement, lime, fly ash, powder, etc.) using a polymer modified asphalt emulsion, admixture and water by a certain percentage from the mixing fluid state asphalt asphalt seal coat it evenly on the road paving formed. 2.1.12 asphalt bituminous mixtures (English), asphalt (United States) By the mineral aggregate and asphalt binder mixture formed by mixing in general. According to the material composition and structure divided into continuous graded, gap-graded mixes, by aggregate gradation composition and size into dense graded porosity, semi-open-graded, open-graded mix. By public highway asphalt pavement construction specifications (JT G F40-2004) said the size of the maximum particle size can be divided into special rough formula (nominal maximum particle size equal to or greater than 31.5mm), Coarse (nominal maximum particle diameter 26.5mm), medium-grained (nominal maximum particle size of 16 or 19mm), Fine-grained (nominal maximum particle size of 9.5 or 13.2mm), sand formula (nominal maximum particle size of less than 9.5mm) asphalt. Divided by the manufacturing process hot-mix asphalt mixture; cold mix asphalt; recycled asphalt mixture and the like. 2.1.13 dense graded asphalt mixture dense-graded bituminous mixtures (English), dense-graded asphalt mixtures (United States) Grading of aggregate by the principles of design consisting of various particle size, mixing with the asphalt binder made design smaller porosity (for different traffic and weather conditions, layer can be adjusted as appropriate) of dense asphalt concrete Mixture (expressed in AC) and compacting asphalt stabilized macadam mix (expressed in ATB). Different key sieve through rate can be divided into fine type, coarse dense graded asphalt mixture and the like. Aggregate wedging action is also better known as dense built asphalt mixture. 2.1.14 open-graded asphalt mixture open-graded bituminous paving mixtures (English), open graded asphalt mixtures (United States) Aggregate gradation is mainly composed of coarse aggregate embedded crowded composition, less fine aggregate and filler designed porosity of 18% of the mixture. 2.1.15 semi-open-graded asphalt macadam mixture half (semi) -open-graded bituminous paving mixtures (UK), The appropriate proportion of coarse aggregate, fine aggregate and a small amount of filler (with or without fillers) and mixing asphalt binder made by the remaining porosity standard Marshall compaction molded specimen at 6% to 12% of the semi-open asphalt gravel mix (expressed in AM). 2.1.16 gap-graded asphalt mixture gap-graded bituminous paving mixtures (English), gap-graded asphalt mixtures (United States) Aggregate gradation composition is missing one or more grades (or in very small quantities) and the formation of asphalt mixture. 2.1.17 asphalt stabilized crushed stone mixture (referred bitumen macadam) bituminous stabilization aggregate paving mixtures (English), asphalt-treated permeable base (US) By the mineral aggregate and bitumen composition has a mix grading requirements, according to the porosity, aggregate maximum particle size, add the number of the number of slag, into dense graded asphalt macadam (ATB), open-graded asphalt macadam ( OGFC ATPB surface layer and base layer), semi-open-graded asphalt macadam (AM). 2.1.18 stone mastic asphalt mixes stone mastic asphalt (English), stone matrix asphalt (United States) The asphalt binder fibers with a small amount of stabilizer, fine aggregate and large amount of filler (slag) consisting of asphalt mastic, fill in the gap gap-graded coarse aggregate skeleton composed integrally formed asphalt , referred to as SMA. 2.2 symbols and codes The specification of various symbols, codes and meaning in Table 2.2. Symbols and codes Table 2.2 No symbols or codes significance Road asphalt Coal tar road Spray cationic emulsified asphalt Mixing cationic emulsified asphalt Anionic bitumen emulsion spray Emulsified asphalt mixing anion Rapidly solidified liquid petroleum asphalt The condensate liquid petroleum asphalt Slow condensate liquid petroleum asphalt Hot mix asphalt, hot mix asphalt Dense graded asphalt concrete mix, divided into two types of coarse and fine Stone mastic asphalt mixes, Stone Matrix Asphalt (or Stone Mastic Asphalt) of the abbreviation. Large pores open-graded drainage asphalt wearing course, such as the European PFC (Porous friction course), PEM (porous european mixes), United States, Japan OGFC (Open-graded Friction Courses) abbreviations, etc. Asphalt dense stabilized Aggregate Mixture At the bottom layer of asphalt paving drainage asphalt stabilized crushed stone mixture Semi-open-graded asphalt stabilized macadam mixture Diluted emulsified asphalt seal coat asphalt MCFM asphalt mixture, Optimum Asphalt Content of abbreviations Marshall stability Marshall flow value test Effective relative density of asphalt mixture of synthetic mineral aggregate Synthesis Bulk asphalt mixture of mineral aggregate relative density Synthetic mineral aggregate asphalt mixture apparent relative density Aggregate ratio of asphalt mixture Asphalt content of asphalt mixture Effective asphalt content of asphalt mixture Aggregate asphalt absorption coefficient The relative density of asphalt The maximum relative density of asphalt mixture Asphalt powder cement ratio (0.075mm rate through effective bitumen content ratio) The porosity of compacted asphalt, bituminous materials and that is outside the mine voids (not including mineral aggregate own internal pore) the percentage of the volume of the total volume of the specimen, Volume of air voids of abbreviations No symbols or codes significance Compacted mineral aggregate asphalt mixture clearance rate, which is the total volume of mineral specimen material portion other than the total volume of the test piece representing the percentage, Voids in mineral aggregate abbreviation of compacted asphalt mixture of asphalt saturation, That specimen VMA deducted effectively absorbed by asphalt aggregate volume of bituminous binding material other than the portion of the percentage of the VMA, Voids filled with Asphalt of abbreviations Coarse aggregate skeleton gap rate percent air voids in coarse aggregate of abbreviations Compacted asphalt coarse aggregate skeleton gap rate, which is the volume of coarse aggregate skeleton portion of the test piece outside the percentage of the total volume of the specimen, Voids in coarse aggregate of Asphalt mix of abbreviations Aggregate loose clearance rate tamping state, Voids in coarse aggregate of abbreviations Dynamic stability of asphalt mixture rutting test, Dynamic Stability of abbreviations And other viscosity-temperature, Equi-viscous Temperature of abbreviations Asphalt Cleveland open cup flash point, Cleaveland Open-Cup Method of abbreviations Asphalt Tiger Cup open flash point, Tag Open -Cup Method of abbreviations Polished stone value, Polished Stone Valve of abbreviations Road surface friction coefficient pendulum swing measured value, its unit BPN is British Pendulum (Tester) Number of Abbreviations Bitumen film heating test Thin Film Oven Test of abbreviations Rotating film heating test Rolling asphalt thin Film Oven Test of abbreviations Asphalt penetration index, Penetration Index of abbreviations FIG mean dynamic quality management quality indicators The upper limit of quality control on the dynamic quality control chart The lower limit of the quality control on the dynamic quality control chart Quality control and quality assurance, quality management system construction Polymer modified bitumen, Polymer Modified Bitumen (or Asphalt) abbreviations Polychloroprene (neoprene), Polychloroprene of abbreviations Ethylene - vinyl acetate copolymer, Ethyl-Vinyl-Acetate of abbreviations Polyethylene, Polyethylene of abbreviations Low Density Polyethylene, Low Density Polyethylene of abbreviations Styrene - butadiene rubber (SBR), Styrene-Butadiene-Rubber of abbreviations Styrene - butadiene - styrene block copolymer, Styrene-Butadiene-Styrene Block Copolymer of abbreviations. American SHRP (Stratebic Highway Reseach Program) asphalt mix design system registered name, Superior Performing Asphalt Pavements of abbreviations No symbols or codes significance American asphalt road performance grade specification, Performance Graded the abbreviation Asphalt compactor rub tester, Superpave Gyratory Compactor of abbreviations US Corps of Engineers gyratory shear test machine, Gyratory Testing Machine the abbreviation for asphalt mix design

3 Primary

3.0.1 pre-construction deal with the asphalt surface inspection grassroots, grass-roots quality does not meet the requirements can not be paved asphalt surface layer of. 3.0.2 New Asphalt Pavement grassroots structure by combination of design requirements, selection of asphalt stabilized gravel, asphalt penetration type, graded gravel, graded gravel and other flexible base layer; cement stabilized soil or pellets, lime and fly ash stabilized semi-rigid soil or pellets; Roller compacted concrete, lean concrete - rigid base; a flexible base layer and an upper, the lower the use of semi-rigid hybrid substrate. 3.0.3 semi-rigid base asphalt layer and asphalt pavement construction should be in the same year, in order to reduce pavement cracking. 3.0.4 When the old asphalt pavement for the grassroots level, should be based on the quality of the old pavement to determine the original pavement patching, milling, overlay overcoat. Old asphalt pavement leveling control elevation should be paved, flat stratified layer of maximum thickness should not exceed 100mm. 3.0.5 When the old cement concrete pavement for paving asphalt surface layer of grass roots, should be based on the quality of the old road, determined Treatment process, confirmed to meet the requirements of the grass-roots, can the Asphalt Overlay. 3.0.6 must be thoroughly cleaned after the old road handling floating dust, according to need and to make appropriate milling process, spraying sti...

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