1.0.1 This specification is formulated with view to adapt the requirements for transportation development and highway construction, improve technical class, application quality and design quality of cement concrete pavement and guarantee safety, reliability, economy and rationality of the engineering;
1.0.2 This specification is applicable to cement concrete pavement design of constructed and reconstructed highway of various classes.
1.0.3 Design scheme of cement concrete pavement shall be determined through comprehensive analysis according to the function and class of highway and combining conditions of local climate, hydrology, geology, material, construction and curing as well as engineering practice experience and environmental protection.
1.0.4 Cement concrete pavement design shall include structural composition design, structural layer thickness design, material composition design, joint structure design and reinforcement design.
1.0.5 Cement concrete pavement structure shall bear expected traffic load effect, adapt the natural environment and satisfy planned service performance requirements within design reference period according to specified safety classes and objective reliability requirements.
1.0.6 Cement concrete pavement design shall meet not only those specified in this specification, but also those specified in the current relevant national standards.
1 General Provisions 1
2 Terms and Symbols 2
2.1 Terms 2
2.2 Symbols 2
3 Design Parameter 4
4 Structural Composition Design 7
4.1 General Requirements 7
4.2 Subgrade 7
4.3 Mat Base 8
4.4 Base Layer and Subbase 8
4.5 Surface Layer 9
4.6 Shoulder 10
4.7 Pavement Drainage 11
5 Joint Design 12
5.1 General Requirements 12
5.2 Longitudinal Joint 12
5.3 Transverse Joint 13
5.4 Joint Arrangement at Crossings 15
5.5 End Treatment 15
5.6 Joint Sealing Material 18
6 Reinforcement Design for Concrete Surface Layer 19
6.1 Reinforcement for Plain Concrete Surface Layer 19
6.2 Reinforcement for Reinforced Concrete Surface Layer 21
6.3 Reinforcement for Continuously Reinforced Concrete Surface Layer 22
7 Material Composition and Parameter Requirements 23
7.1 General Requirements 23
7.2 Mat Base Material 23
7.3 Material of Base Layer 23
7.4 Material Surface Layer 24
7.5 Material Design Parameter 24
8 Structure Design of Overlay 26
8.1 General Requirements 26
8.2 Investigation and Assessment of Pavement Damage Condition 26
8.3 Investigation and Assessment of Joint load Transfer Efficiency and Plate Bottom Void Condition 26
8.4 Investigation of Old Concrete Pavement Structure Parameter 27
8.5 Scheme Selection of Overlay 28
8.6 Structure Design of bituminous Overlay 29
8.7 Structure Design for Separate Type Concrete Overlay 30
8.8 Structure Design of Combination Type Concrete Overlay 30
8.9 Structure Design of Old Bituminous Pavement Overlaying Cement Concrete Pavement 31
Appendix A Analysis of Traffic Load 32
Appendix B Stress Analysis and Thickness Calculation of Concrete Plates 35
Appendix C Stress Analysis on Concrete Plates with Bitumen Upper Surface Layer 45
Appendix D Calculation for Longitudinal Reinforcement of Continuously Reinforced Concrete Surface Layer 47
Appendix E Empirical Reference Value for the Design Parameter of Material 51
1.0.1 This specification is formulated with view to adapt the requirements for transportation development and highway construction, improve technical class, application quality and design quality of cement concrete pavement and guarantee safety, reliability, economy and rationality of the engineering;
1.0.2 This specification is applicable to cement concrete pavement design of constructed and reconstructed highway of various classes.
1.0.3 Design scheme of cement concrete pavement shall be determined through comprehensive analysis according to the function and class of highway and combining conditions of local climate, hydrology, geology, material, construction and curing as well as engineering practice experience and environmental protection.
1.0.4 Cement concrete pavement design shall include structural composition design, structural layer thickness design, material composition design, joint structure design and reinforcement design.
1.0.5 Cement concrete pavement structure shall bear expected traffic load effect, adapt the natural environment and satisfy planned service performance requirements within design reference period according to specified safety classes and objective reliability requirements.
1.0.6 Cement concrete pavement design shall meet not only those specified in this specification, but also those specified in the current relevant national standards.
Contents of JTG D40-2011
1 General Provisions 1
2 Terms and Symbols 2
2.1 Terms 2
2.2 Symbols 2
3 Design Parameter 4
4 Structural Composition Design 7
4.1 General Requirements 7
4.2 Subgrade 7
4.3 Mat Base 8
4.4 Base Layer and Subbase 8
4.5 Surface Layer 9
4.6 Shoulder 10
4.7 Pavement Drainage 11
5 Joint Design 12
5.1 General Requirements 12
5.2 Longitudinal Joint 12
5.3 Transverse Joint 13
5.4 Joint Arrangement at Crossings 15
5.5 End Treatment 15
5.6 Joint Sealing Material 18
6 Reinforcement Design for Concrete Surface Layer 19
6.1 Reinforcement for Plain Concrete Surface Layer 19
6.2 Reinforcement for Reinforced Concrete Surface Layer 21
6.3 Reinforcement for Continuously Reinforced Concrete Surface Layer 22
7 Material Composition and Parameter Requirements 23
7.1 General Requirements 23
7.2 Mat Base Material 23
7.3 Material of Base Layer 23
7.4 Material Surface Layer 24
7.5 Material Design Parameter 24
8 Structure Design of Overlay 26
8.1 General Requirements 26
8.2 Investigation and Assessment of Pavement Damage Condition 26
8.3 Investigation and Assessment of Joint load Transfer Efficiency and Plate Bottom Void Condition 26
8.4 Investigation of Old Concrete Pavement Structure Parameter 27
8.5 Scheme Selection of Overlay 28
8.6 Structure Design of bituminous Overlay 29
8.7 Structure Design for Separate Type Concrete Overlay 30
8.8 Structure Design of Combination Type Concrete Overlay 30
8.9 Structure Design of Old Bituminous Pavement Overlaying Cement Concrete Pavement 31
Appendix A Analysis of Traffic Load 32
Appendix B Stress Analysis and Thickness Calculation of Concrete Plates 35
Appendix C Stress Analysis on Concrete Plates with Bitumen Upper Surface Layer 45
Appendix D Calculation for Longitudinal Reinforcement of Continuously Reinforced Concrete Surface Layer 47
Appendix E Empirical Reference Value for the Design Parameter of Material 51
