GB/T 38901-2020Fiber reinforced concrete shield segments (English PDF)
纤维混凝土盾构管片
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
June 2, 2020
Implementation date
May 1, 2021
Scope
GB/T 38901-2020 is the English-translated version of 纤维混凝土盾构管片.
GB/T 38901-2020 is the Chinese standard "Fiber reinforced concrete shield segments".
Its scope clause reads: This standard specifies the symbols, classification, shape and specifications, marks, raw materials, and production of fiber concrete shield segments used in tunnel engineering Process, requirements, test methods, inspection rules, signs and factory certificates, storage and transportation.
This standard is applicable to fiber coagulation for shield tunnel projects such as rail transit, highway, railway, water conservancy, electric power, municipal administration, underground comprehensive pipe corridors, etc. Soil shield segment.
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Document preview — GB/T 38901-2020
National Standard of the People's Republic of China
- ICS
- 91.100.40
- Classification
- Q 14
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms, definitions and symbols
- 4 Classification, shape and specification, marking
- 5 Raw materials
- 6 Production process
- 7 Technical requirements
- 8 Test method
- 9 Inspection Rules
- 10 Mark and Certificate of Factory
- 11 Storage and Transportation
- Appendix A (Normative Appendix) Fiber Concrete Segment Manufacturing Process
- Appendix B (Normative Appendix) Test Method for Flexural Performance of Fiber Concrete
- Appendix D (Normative Appendix) Fiber content test method
- Appendix E (Normative Appendix) Test Method for Flexural Performance of Shield Segments
- Appendix F (informative appendix) Test method for radial pull-out and shear resistance of embedded channels
- Appendix G (informative appendix) Verification test of the radial bearing capacity of the entire ring of shield segments
1 Scope
This standard specifies the symbols, classification, shape and specifications, marks, raw materials, and production of fiber concrete shield segments used in tunnel engineering
Process, requirements, test methods, inspection rules, signs and factory certificates, storage and transportation.
This standard is applicable to fiber coagulation for shield tunnel projects such as rail transit, highway, railway, water conservancy, electric power, municipal administration, underground comprehensive pipe corridors, etc.
Soil shield segment.
2 Normative references
The following documents are essential for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document.
GB 175 General Portland Cement
GB/T 1499.1 Steel for reinforced concrete Part 1.Hot rolled smooth round steel
GB/T 1499.2 Steel for reinforced concrete Part 2.Hot rolled ribbed steel bars
GB/T 1596 Fly ash used in cement and concrete
GB 8076 Concrete admixture
GB/T 14902 ready-mixed concrete
GB/T 18046 Granulated blast furnace slag powder used in cement, mortar and concrete
GB/T 18173.4 Polymer waterproof materials Part 4.Rubber seals for shield tunnel tunnel segments
GB/T 21120 Synthetic fiber for cement concrete and mortar
GB/T 22082 Precast concrete lining segments
GB/T 27690 Silica fume for mortar and concrete
GB/T 31061 Cork rubber gasket for tunnel segment of shield method
GB 50010 Code for design of concrete structures
GB/T 50080 Standard for Performance Test Methods of Common Concrete Mixtures
GB/T 50081 Standard for Test Methods of Physical and Mechanical Properties of Concrete
GB/T 50082 Standard for long-term performance and durability test methods of ordinary concrete
GB/T 50107 Concrete strength inspection and evaluation standard
GB 50108 Technical Specification for Underground Engineering Waterproofing
GB 50119 Application Technical Specification of Concrete Admixture
GB/T 50146 Application Technical Specification of Fly Ash Concrete
GB 50157 Metro Design Code
GB 50164 Concrete Quality Control Standard
GB 50204 Code for Construction Quality Acceptance of Concrete Structure Engineering
GB 50446 Shield tunnel construction and acceptance specifications
GB/T 50476 Code for durability design of concrete structures
GB 50838 Technical Specification for Urban Comprehensive Pipe Gallery Engineering
GB/T 51003 Application Technical Specification of Mineral Admixture […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 25 pages — is available in the English PDF.
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