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TB10025-2019

Chinese Standard: 'TB10025-2019'
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TB 10025-2019English1360 Add to Cart 0--15 minutes. Auto immediate delivery. Code for design of retaining structures of railway earthworks Valid TB 10025-2019
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TB 10025-2019
UDC
INDUSTRY STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
P TB 10025-2019
J 127-2019
Code for design of retaining structures of railway
earthworks
铁路路基支挡结构设计规范
ISSUED ON: JULY 31, 2019
IMPLEMENTED ON: DECEMBER 01, 2019
Issued by: State Railway Administration
Table of Contents
Foreword ... 7 
1 General ... 10 
2 Terms and symbols ... 10 
2.1 Terms ... 10 
2.2 Symbol ... 13 
3 Basic provisions ... 15 
3.1 General provisions ... 15 
3.2 Design requirements ... 17 
3.3 Selection of retaining structure form ... 19 
4 Design load ... 20 
4.1 General provisions ... 20 
4.2 Main force ... 21 
4.3 Additional force ... 24 
4.4 Special force... 25 
5 Materials and properties ... 25 
5.1 General provisions ... 25 
5.2 Concrete, mortar rubble and cement mortar ... 26 
5.3 Steel ... 27 
5.4 Geosynthetics ... 27 
5.5 Filler and geotechnical ... 28 
6 Gravity retaining wall ... 29 
6.1 General provisions ... 29 
6.2 Design and calculation ... 30 
6.3 Construction requirements ... 38 
7 Cantilever and counterfort retaining wall ... 40 
7.1 General provisions ... 40 
7.2 Design and calculation ... 41 
7.3 Construction requirements ... 47 
8 Groove retaining wall ... 48 
8.1 General provisions ... 48 
8.2 Design and calculation ... 49 
8.3 Construction requirements ... 55 
9 Reinforced soil wall ... 56 
9.1 General provisions ... 56 
9.2 Design and calculation ... 57 
9.3 Construction requirements ... 62 
10 Soil nailing retaining wall ... 64 
10.1 General provisions ... 64 
10.2 Design and calculation ... 64 
10.3 Construction requirements ... 69 
11 Anchored wall ... 70 
11.1 General provisions ... 70 
11.2 Design and calculation ... 72 
11.3 Construction requirements ... 77 
12 Prestressed anchored cable ... 79 
12.1 General provisions ... 79 
12.2 Design and calculation ... 80 
12.3 Construction requirements ... 84 
13 Slide-resistant pile ... 87 
13.1 General provisions ... 87 
13.2 Design and calculation ... 89 
13.3 Construction requirements ... 94 
14 Pile-wall structure ... 95 
14.1 General provisions ... 95 
14.2 Design and calculation ... 97 
14.3 Construction requirements ... 100 
15 Gravity retaining wall on pile foundation and beam ... 101 
15.1 General provisions ... 101 
15.2 Design and calculation ... 101 
15.3 Construction requirements ... 104 
16 Composite pile structure ... 105 
16.1 General provisions ... 105 
16.2 Design and calculation ... 106 
16.3 Construction requirements ... 109 
17 Other structures ... 110 
17.1 Gravity retaining wall with short relieving slab ... 110 
17.2 Anchor slab wall ... 112 
Appendix A Common types and applicable conditions of retaining structure 117 
Appendix B Track and train loads above the formation surface ... 118 
Appendix C Material performance parameters of structural members ... 121 
Appendix D Basic bearing capacity of foundation ... 124 
Appendix E Resistance design of reinforced concrete members ... 130 
Appendix F Calculation of maximum crack width of rectangular pile reinforced
concrete flexural members ... 136 
Appendix G Reference values of relevant parameters for design of groove
retaining wall ... 138 
Appendix H Reference values of anti-pullout design parameters for anchor rods
and cables ... 139 
Appendix J Anchor rod (cable) test ... 140 
Appendix K Selection of prestressed anchor cable and design parameters 146 
Appendix L Reference value of anchor pile’s foundation factor ... 149 
Explanation of wording in this code ... 152 
Code for design of retaining structures of railway
earthworks
1 General
1.0.1 This standard is formulated to unify the design technical criteria of the
retaining structures of railway earthworks, so that the design of the retaining
structure meets the requirements of safety, reliability, advanced technology,
reasonable economy and green environmental protection.
1.0.2 This code is applicable to the design of retaining structure of railway
earthworks and related projects.
1.0.3 The retaining structure of the railway earthwork shall be designed
according to track and train loads, engineering geology, hydrogeology,
environmental conditions.
1.0.4 The retaining structure design shall meet the requirements of safety,
applicability, durability.
1.0.5 The retaining structure fo......
Related standard:   TB 10301-2020  TB 10302-2020
   
 
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