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TB 10092-2017: Code for Design of Concrete Structures of Railway Bridge and Culvert
TB 10092-2017
Code for Design of Concrete Structures of Railway Bridge and Culvert
UDC
People's Republic of China industry standards
Design Specification for Concrete Structure of Railway Bridges and Culverts
2017-01-02 Posted
2017-05-01 is implemented
National Railway Administration released
People's Republic of China industry standards
Design Specification for Concrete Structure of Railway Bridges and Culverts
Compiling institutes. China Railway Engineering Design Consulting Group Co., Ltd.
Approval Department. National Railway Administration
Date of Implementation. May 01,.2017
Foreword
"Code for design of reinforced concrete and prestressed concrete structures for railway bridges and culverts" (TB 10002.3-2005) and "
Road and Bridge Culvert Concrete and Masonry Structure Design Code "(TB 10002.4-2005) since the release of China's railway especially high speed
The railway construction has made remarkable achievements in the world. The Beijing-Shanghai, Beijing-Guangzhou, Zhengxi and Harbin-Dalian high-speed railway, Yiwan, Taizhongyin
Such as passenger and freight line railway, central and southern Shanxi channel, Menghua and other heavy haul railways, the Pearl River Delta and Wuhan city circle intercity railway
A large number of railway projects have been completed and opened to traffic, improving the road network structure and increasing the effective supply of railway transportation services. after
More than a decade of active exploration and innovative practice, China's railway bridge construction technology has made major breakthroughs, has become advanced in the world
Ranks. Nanjing Dashengguan Yangtze River Bridge, Wuhan Tianxingzhou Yangtze River Bridge and a number of deep-water, large span, special geological conditions,
The successful construction of bridges with complex structures and the extensive application of the complete set of technology for large-tonnage box girders independently developed for further
Improve the technical standards of railway bridges has accumulated rich experience and laid a solid foundation.
This specification according to the National Railway Bureau to build railway construction standards system requirements, in order to meet the railway bridge and culvert construction and development
Show needs to unify the design standards of railway bridges and culverts, improve the design level of railway bridges and culverts, ensure the safety and quality of railway bridges and culverts,
On the basis of the original norms, summed up in recent years China's high-speed, intercity, passenger and freight lines and heavy haul bridge construction, operation
The practical experience and scientific research, a comprehensive revision from.
This code implements the principle of safety first, strengthens the technology of quality and safety, resource conservation, environmental protection
Requirements, combined with China's national conditions, economic and social development, environmental conditions and other factors, a reasonable determination of the different transport
The main design standards of railway bridges with different types, quality types and different speed grades have further promoted the scientific and technical economic rationality of the codes.
The specification is divided into 9 chapters, the main contents include. General Provisions, terms and symbols, materials, basic design requirements, plain mixed
Concrete and Masonry Structures, Reinforced Concrete Structures, Prestressed Concrete Structures, Bracing, Existing Line-In Bridges and Culverts, and Others
5 appendices.
The main contents of this revision are.
1. Consolidated and revised the "Design Specification for Reinforced Concrete and Prestressed Concrete Structure of Railway Bridges and Culverts"
(TB 10002.3-2005) and Code for Design of Railway Bridge and Culvert Concrete and Masonry Structure (TB 10002.4-2005).
2. Revised the scope of application of the code, applicable to high-speed, intercity, passenger and freight collinear Ⅰ and Ⅱ level railway, heavy haul railway
Bridge and Culvert Structure Design.
3. Revised HRB400, HRB500 steel material requirements, strength, allowable stress, fatigue stress, elastic modulus
Volume and other related design parameters.
4 revised the formula for calculating the crack of reinforced concrete structure.
5. Revised HRB400, HRB500 steel standard hook and anchor length values, revised the reinforced concrete by
The minimum reinforcement ratio of bending members and compression members.
6. Revised the concrete box girder gradient temperature difference related regulations.
7. Revised the construction requirements of prestressed tendons pipe spacing.
8. Amend the construction requirements for I-section or T-section sectioned structure with integral bridge deck.
9. Increase the box girder effective width reduction factor.
10. According to the "Code for durability design of railway concrete structures," the relevant provisions of the revised structure of reinforced concrete cracks
Allowable width of the seam.
11. Reinforced concrete pier anti-collision structure requirements.
12. Revised the content of box girder structure design.
13. Added spherical ball bearing related design.
In the process of implementing this code, we hope all units will conscientiously sum up their experience and accumulate data in combination with engineering practice. As hair
Now need to modify and supplement the Department, please promptly comments and relevant information sent to China Railway Engineering Design and Consulting Group Co., Ltd.
(Guang'an Road, Fengtai District, Beijing, No. 15, zip code. 100055), and copied to China Railway Economic Planning Research Institute (North
Beijing Haidian District, North Cellular Road B, No. 29, zip code. 100038) for future reference when the amendment.
This code is interpreted by the Division of Science, Technology and Law of the National Railway Administration.
Compiling institutes. China Railway Engineering Design Consulting Group Co., Ltd.
Participating units. Railway Third Survey and Design Institute Group Co., Ltd., China Railway Eryuan Engineering Group Co., Ltd.
The main drafters. Xu Sheng Bridge, Liu Yongfeng, Shen Ping, high static blue, Su Wei, display, high policy, Zhang Li,
Du Baojun, Yan Yong, Zeng Ling, Lu Zhao, Wang Dehua, Li Hui, Yu Peng, Jane Liang, Lin Hui, Wang Aixia.
Main reviewers. Yin Ningjun, Wu Shaohai, Liu Yan, Xue Jigang, Chen Kejian, Wang Zhaozhao, Zhao Huidong, Yang Pengjian,
Han Xiaoqiang, Wang Fang, Yan Yong, Wang Xin Guo, Peng Hua Chun, Ning Bo Wei, Gui Gui.
Directory
1 General .1
2 Terms and Symbols .2
2.1 Terminology 2
2.2 symbol 4
3 Materials .7
3.1 Concrete .7
3.2 Stone, cement mortar and masonry ..10
3.3 steel .11
4 basic design rules
4.1 General requirements
4.2 Calculation of plates
4.3 Beam Calculation
4.4 Frame calculation .20
4.5 pier calculation .21
4.6 Calculation of Arch Bridge .21
4.7 Culvert Calculation .21
5 prime concrete and masonry structure .23
5.1 General requirements .23
5.2 Calculation .24
5.3 Construction .27
6 reinforced concrete structure .29
6.1 General requirements
6.2 Calculation .30
6.3 Construction .38
Prestressed concrete structure
7.1 General requirements ..44
7.2 Strength calculation .45
7.3 Structural calculations during the operational phase 53
7.4 Prestressed, transport and installation phase of the structural calculation .71
7.5 Construction .76
8 Support 79
8.1 General requirements
8.2 Materials .80
8.3 Calculation .83
8.4 Construction .88
9 both line into the bridge and culvert .89
9.1 General requirements ..89
9.2 Calculations .89
9.3 Structure .90
Appendix A Calculation of the bending moment distribution after conversion of prestressed concrete structure system
Appendix B Calculation of Thermal Stress of Concrete Box Girders
Appendix C Prestressed concrete flexural members oblique section strength calculation 103
Appendix D Calculation of Rebound Friction of Prestressing Steel Beams of Post-tensioned Prestressed Concrete
Appendix E Prestressed concrete flexural members after cracking stress cracking section .108
This specification uses the term 111
Provisions .112
1 General
1.0.1 In order to unify the design standards of concrete structures for railway bridges and culverts, the design is in accordance with the requirements of safety, reliability, advanced maturity and economy
The requirements of the development of this code.
1.0.2 This standard applies to the design of masonry, plain concrete, reinforced concrete and prestressed concrete structures of railway bridges and culverts.
1.0.3 The design of bridge-culvert concrete structure shall conform to the existing "Code for Design of Railway Bridges and Culverts" (TB 10002), "
Seismic Design Code "(GB 50111) and the relevant regulations of" Code for Design of Durability of Railway Concrete Structures "(TB 10005)
set.
1.0.4 The strength, rigidity and stability of the bridge-culvert structure should meet the requirements of track ride, safety of train operation and passenger ride
Comfort requirements.
1.0.5 Bridge culvert concrete structure design life should be 100 years.
1.0.6 The design of bridge-culvert concrete structure shall comply with the existing relevant mandatory standards in the PRC in addition to complying with this Code.
2 Terms and symbols
2.1 Terms
2.1.1 concrete structure
Structures made of concrete as the main building material, including plain concrete, reinforced concrete and prestressed concrete
Soil structure.
2.1.2 masonry structure block masonry structure
Bridges and culverts with concrete blocks or stones with cement mortar structure.
2.1.3 plain concrete structure plain concrete structure
Reinforced concrete structure without reinforcement or without reinforcement.
2.1.4 reinforced concrete structure
Configure the reinforced concrete structure.
2.1.5 prestressed concrete structure prestressed concrete structure
Configure prestressed tendons to be stressed and prestressed concrete structures.
2.1.6 Bridge structure bridge superstructure
Beam bridge support above arch or arch above the arch bridge across the bridge structure.
2.1.7 Simply supported beam
One end of the vertical movable support, one end of the vertical support bearing the ends of the beam.
2.1.8 continuous beam continuous beam
Two or more spans above the beam continuous support beam.
2.1.9 Rigid frame
Beam and column to just or hinged to form a load-bearing system structure.
2.1.10 rigid frame rigid bridge
Bridge spanning bridge rigidly connected to piers or abutments.
2.1.11 arch bridge arch bridge
Arch or arch ribs as a bridge structure of the bridge.
2.1.12 solid piers solid pier and abutment
Pier body and platform as a physical piers and abutments.
2.1.13 Hollow pier hollow pier
Pier body cavity pier.
2.1.14 Jacked-in bridge or culvert
Bridges and culverts constructed by jacking through existing lines.
Railway culvert
Cross the railway embankment for flood discharge, irrigation or as a passageway to the building.
2.1.16 cover culvert slab culvert
Culverts are made of reinforced concrete coverings, stone or concrete side walls and culverts.
2.1.17 Frame Box culvert
Culverts made up of reinforced concrete box sections.
2.1.18 Circle culvert circle culvert
Culverts made of circular concrete sections of reinforced concrete.
2.1.19 arch culvert arch culvert
Domed culvert at the top of the cave.
2.1.20 Support bearing
Support bridge span structure, and its load to pier (Taiwan) components.
2.1.21 strength strength
The ability of a material or component to withstand damage when stressed. The value of a certain state of stress, the material can withstand the most
Large stress or components can withstand the maximum internal force.
2.1.22 Stiffness
The ability of a structure or component to resist deformation.
2.1.23 Prestress degree of prestressing
The degree of stress in a structure or component due to a design load that is counteracted by prestressing.
2.1.24 effective prestress effective prestress
Before taking into account the role of external load, after deducting the stress caused by various factors, prestressed steel should
force.
2.1.25 Deflection deflection
In the bending moment plane, a point on the axis or middle of the structural member is caused by flexing perpendicular to the axis or middle direction
The line displacement.
2.1.26 camber camber
In order to counteract the deflection of the bridge structure under the action of load, the school reserved in the opposite direction of deflection
Positive amount.
2.1.27 Prestressing tendon
For concrete structures in the prestressed components of steel, steel wire and cable in general.
2.1.28 fatigue stress range fatigue stress range
The difference between the maximum stress and the minimum stress of the component under fatigue load.
2.2 symbol
2.2.1 Material properties
3 material
3.1 Concrete
3.1.1 Concrete strength grades can be C25, C30, C35, C40, C45, C50, C55 and C60.
3.1.2 Design strength of concrete should meet the following requirements.
1 reinforced concrete structure of concrete strength level should not be lower than C30.
2 Concrete strength of prestressed concrete structures should not be lower than C40.
3 Durability requirements of concrete strength grade should be consistent with "durability design of railway concrete structures"
(TB 10005) of the relevant provisions.
3.1.3 The ultimate strength of concrete should be used according to Table 3.1.3.
Table 3.1.3 ultimate strength of concrete (MPa)
Intensity type symbols
Concrete strength grade
C25 C30 C35 C40 C45 C50 C55 C60
Axial compression fc 17.0 20.0 23.5 27.0 30.0 33.5 37.0 40.0
Axis Tension fct 2.00 2.20 2.50 2.70 2.90 3.10 3.30 3.50
3.1.4 The allowable stress of concrete should be used according to Table 3.1.4, and should meet the following requirements.
1 When calculating the main force plus the additional force, the permissible stress in items 1, 2 and 8 in the table can be increased by 30%.
2 pairs of factory system and process components...