{"id":356865,"date":"2024-10-20T01:14:19","date_gmt":"2024-10-20T01:14:19","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-16432-22017\/"},"modified":"2024-10-26T01:39:09","modified_gmt":"2024-10-26T01:39:09","slug":"bs-en-16432-22017","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-16432-22017\/","title":{"rendered":"BS EN 16432-2:2017"},"content":{"rendered":"

This part of EN 16432 specifies system and subsystem design and component configuration for ballastless track system.<\/p>\n

The system and subsystem design requirements are assigned from the general requirements of EN 16432-1. Where applicable, existing subsystem or component requirements from other standards are to be referenced.<\/p>\n

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PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
2<\/td>\nNational foreword <\/td>\n<\/tr>\n
12<\/td>\n1 Scope
2 Normative references <\/td>\n<\/tr>\n
13<\/td>\n3 Terms and definitions <\/td>\n<\/tr>\n
14<\/td>\n4 Symbols and abbreviations <\/td>\n<\/tr>\n
19<\/td>\n5 General
5.1 Ballastless track system, subsystems and components <\/td>\n<\/tr>\n
20<\/td>\n5.2 Subsystems configuration
5.2.1 Ballastless track system with continuous support and embedded rails <\/td>\n<\/tr>\n
21<\/td>\n5.2.2 Ballastless track system with discrete rail seats
5.2.2.1 Ballastless track system with discrete rail seats on prefabricated element supported by a pavement
5.2.2.2 Ballastless track system with discrete rail seats on prefabricated element, independent from the surrounding concrete filling layer or pavement
5.2.2.3 Ballastless track system with discrete rail seats on prefabricated element, monolithically integrated in a pavement <\/td>\n<\/tr>\n
22<\/td>\n5.2.2.4 Ballastless track system with discrete rail seats on a concrete pavement
6 System design
6.1 Establishing the system criteria <\/td>\n<\/tr>\n
23<\/td>\n6.2 System assurance plan
6.3 System integration
6.4 Vertical track stiffness
6.5 Track stability <\/td>\n<\/tr>\n
24<\/td>\n6.6 Load distribution and load transfer by subsystems and components
6.6.1 Principles <\/td>\n<\/tr>\n
25<\/td>\n6.6.2 Calculation steps
6.6.2.1 Determination of bending moment (bending tensile stress) due to rail seat loads
6.6.2.2 Determination of bending moment activated by temperature gradient \u0394t [K\/mm] of rail supporting subsystems like slabs, pavements, frames or beams caused by surface heating
6.6.2.3 Determination of tensile force activated by cooling \u0394T [K] of rail supporting subsystems like slabs, pavements, frames or beams
6.6.2.4 Superposition of bending moments from traffic and thermal impact <\/td>\n<\/tr>\n
26<\/td>\n6.6.3 Determination of forces (rail seat loads) between subsystems fastening system and supporting structure (prefabricated element or pavement)
6.6.3.1 Vertical rail seat loads
6.6.3.2 Lateral rail seat loads
6.6.4 Prefabricated element loading and load distribution
6.6.4.1 General
6.6.4.2 Transverse elements (sleepers) loading and transverse load distribution <\/td>\n<\/tr>\n
27<\/td>\n6.6.4.3 Loading and load distribution of longitudinal beams and frames
6.6.4.4 Slabs or frames loading and longitudinal and transverse load distribution
6.6.5 Pavement design
6.6.5.1 Calculation models and limits
6.6.5.2 Continuously reinforced concrete pavement (CRCP) <\/td>\n<\/tr>\n
28<\/td>\n6.6.5.3 Jointed plain concrete pavements (JPCP)
6.6.5.4 Asphalt pavements
6.6.5.5 Base layers <\/td>\n<\/tr>\n
29<\/td>\n6.7 Loading of substructure <\/td>\n<\/tr>\n
30<\/td>\n6.8 Transitions
7 Rails
8 Rail fastening systems
8.1 General
8.2 Rail fastening spacing
8.3 Adjustment
9 Prefabricated elements
9.1 General <\/td>\n<\/tr>\n
31<\/td>\n9.2 General design considerations
9.2.1 Data to be supplied for the general system design
9.2.2 Individual precast element design
9.2.2.1 Load distribution and internal forces
9.2.2.2 Design
9.3 Manufacturing process
9.3.1 General requirements <\/td>\n<\/tr>\n
32<\/td>\n9.3.2 Curing
9.3.3 Surface finish
9.3.4 Marking
9.4 Quality control
9.4.1 General
9.4.2 Quality control during design approval tests <\/td>\n<\/tr>\n
33<\/td>\n9.4.3 Quality control during manufacturing
9.5 Concrete sleepers, bearers and blocks
9.6 Prefabricated slabs and frames
9.6.1 Classification
9.6.1.1 Classification in longitudinal sense <\/td>\n<\/tr>\n
34<\/td>\n9.6.1.2 Classification according to the support conditions on the supporting layer
9.6.1.3 Classification according to the kind of reinforcement
9.6.1.4 Classification according to the function and load distribution characteristic
9.6.2 Design
9.6.2.1 General
9.6.2.2 Design of active and passive reinforcement, limit states, fatigue checking <\/td>\n<\/tr>\n
35<\/td>\n9.6.2.3 Durability, cover, environmental conditions, material characteristics, crack control
9.6.3 Materials <\/td>\n<\/tr>\n
36<\/td>\n9.6.4 Geometrical tolerances
9.6.5 Storage, handling, transport and on-site installation
9.6.5.1 General
9.6.5.2 Storage, handling and transport <\/td>\n<\/tr>\n
37<\/td>\n9.6.5.3 On-site installation
9.7 Filling layer
10 Pavements (layered structure)
10.1 General <\/td>\n<\/tr>\n
38<\/td>\n10.2 Concrete pavements
10.2.1 Application
10.2.2 Materials
10.2.3 Functional requirements
10.2.3.1 General <\/td>\n<\/tr>\n
39<\/td>\n10.2.3.2 Continuously reinforced concrete pavement
10.2.3.3 Plain concrete pavements
10.2.3.4 Concrete pavements without prefabricated elements <\/td>\n<\/tr>\n
40<\/td>\n10.2.3.5 Concrete pavements supporting prefabricated elements (sleepers)
10.2.3.6 Concrete pavement with integrated prefabricated element independent from the pavement structures
10.2.3.7 Concrete pavement with monolithically integrated prefabricated element <\/td>\n<\/tr>\n
41<\/td>\n10.3 Asphalt pavements
10.3.1 Application
10.3.2 Design
10.3.3 Geometrical requirements <\/td>\n<\/tr>\n
42<\/td>\n10.3.4 Asphalt materials and mix design
10.3.5 Materials for surface layer
10.3.6 Requirements for layers
10.4 Unbound, hydraulically bound and bituminous bound base-layers
10.4.1 Application <\/td>\n<\/tr>\n
43<\/td>\n10.4.2 Hydraulically bound base layer
10.4.3 Cement treated base layer (CTB)
10.4.4 Concrete base layer <\/td>\n<\/tr>\n
44<\/td>\n10.4.5 Bituminous base layer
10.4.6 Unbound base layer <\/td>\n<\/tr>\n
45<\/td>\n11 Intermediate layers
11.1 Functions of intermediate layers
11.2 Effects of intermediate layers on ballastless track system <\/td>\n<\/tr>\n
47<\/td>\nAnnex\u00a0A (informative)Vertical vehicle load
A.1 Distribution of vertical railway traffic load and calculation of rail seat loads
A.1.1 General
A.1.2 Rail seat load P0 [N]
A.1.2.1 General <\/td>\n<\/tr>\n
48<\/td>\nA.1.2.2 Rail deflection y0 [mm] for a single wheel load Q0 [N] acting above rail seat <\/td>\n<\/tr>\n
49<\/td>\nA.1.2.3 Additional rail deflection due to influence \u03b7i of an additional wheel load i at positions\u00a0xi [mm]
A.1.2.4 Rail seat load P0 [N] due to wheel loads Qi [N]
A.1.3 Rail seat loads Pj [N] due to wheel loads Qi [N] <\/td>\n<\/tr>\n
50<\/td>\nA.2 Rail bending moment and bending stress at the rail foot
A.2.1 Rail bending moment M0 [Nmm]
A.2.2 Bending stress at the rail foot \u03c30 [N\/mm2] <\/td>\n<\/tr>\n
51<\/td>\nAnnex\u00a0B (informative)Thickness design calculations for slabs, pavements, frames, beams
B.1 General
B.1.1 Introduction <\/td>\n<\/tr>\n
52<\/td>\nB.1.2 Effective pavement thickness h1 [mm] <\/td>\n<\/tr>\n
53<\/td>\nB.1.3 Bedding modulus k [N\/mm3]
B.1.3.1 General
B.1.3.2 Bedding modulus k [N\/mm3] for beam or slab\/pavement on substructure <\/td>\n<\/tr>\n
54<\/td>\nB.1.3.3 Bedding modulus k [N\/mm3] for beam or slab\/pavement on unbound base layer and substructure <\/td>\n<\/tr>\n
55<\/td>\nB.1.3.4 Bedding modulus k [N\/mm3] for beam or slab\/pavement with bounded base layer on substructure <\/td>\n<\/tr>\n
56<\/td>\nB.1.4 Bearing capacity of beam or slab\/pavement supported by cementitious or bituminous base layer
B.1.4.1 General
B.1.4.2 Variant II (unbonded multiple layers) <\/td>\n<\/tr>\n
57<\/td>\nB.1.4.3 Variant III (fully bonded multiple layers) <\/td>\n<\/tr>\n
58<\/td>\nB.1.5 Slab on Winkler foundation (Westergaard): Longitudinal and lateral bending moments as well as tensile stresses activated by rail seat loads
B.1.5.1 General
B.1.5.2 Longitudinal bending moment Mlong I,II,III\u00a0[Nmm] and lateral bending moment Mlat\u00a0I,II,III\u00a0[Nmm] due to rail seat loads <\/td>\n<\/tr>\n
61<\/td>\nB.1.5.3 Longitudinal bending tensile stress \u03c3long [N\/mm2] and lateral bending tensile stress \u03c3lat\u00a0[N\/mm2] due to rail seat loads <\/td>\n<\/tr>\n
64<\/td>\nB.1.6 Beam on Winkler foundation (Zimmermann): Longitudinal bending moment and tensile stress due to rail seat loads
B.1.6.1 General
B.1.6.2 Longitudinal bending moment Mlong I,II,III [Nmm] due to rail seat loads <\/td>\n<\/tr>\n
65<\/td>\nB.1.6.3 Longitudinal bending tensile stress \u03c3long\u00a0[N\/mm2] due to traffic load <\/td>\n<\/tr>\n
68<\/td>\nB.1.7 Critical longitudinal bending tensile stress
B.1.8 Critical lateral bending tensile stress
B.2 Stresses in concrete slab\/pavement due to thermal impact
B.2.1 General <\/td>\n<\/tr>\n
69<\/td>\nB.2.2 Constant stresses \u03c3c due to temperature changes \u0394T acting in concrete slabs or pavements
B.2.2.1 Jointed Plain Concrete Pavements (JPCP)
B.2.2.2 Continuously Reinforced Concrete Pavements (CRCP) or Jointed Reinforced Concrete Pavements (JRCP) <\/td>\n<\/tr>\n
71<\/td>\nB.2.3 Linear stresses \u03c3w due to temperature changes \u0394t acting in concrete slabs or pavements <\/td>\n<\/tr>\n
72<\/td>\nB.3 Determination of maximum allowable flexural fatigue stress due to railway traffic load \u03c3Q
B.3.1 Maximum allowable tensile flexural stress in winter (longitudinal stresses)
B.3.2 Maximum allowable tensile flexural stress in summer (lateral and longitudinal stresses) <\/td>\n<\/tr>\n
73<\/td>\nAnnex\u00a0C (informative)Vertical loading <\/td>\n<\/tr>\n
74<\/td>\nAnnex\u00a0D (informative)Examples of calculations
D.1 First example (variant II: unbonded multiple layers) and second example (variant III: bonded layers)
D.2 Distribution of vertical railway traffic loading and calculation of rail seat loads
D.2.1 Rail seat load P0 [N] <\/td>\n<\/tr>\n
76<\/td>\nD.2.2 Rail seat loads Pj [N] due to wheel loads Qi [N] <\/td>\n<\/tr>\n
83<\/td>\nD.2.3 Rail bending moment and bending stress at the rail foot <\/td>\n<\/tr>\n
84<\/td>\nD.3 First example (variant II: unbonded multiple layers)
D.3.1 General <\/td>\n<\/tr>\n
86<\/td>\nD.3.2 Bending moment due to rail seat loads
D.3.2.1 Effective pavement thickness h1
D.3.2.2 Bedding modulus k [N\/mm3] <\/td>\n<\/tr>\n
87<\/td>\nD.3.2.3 Equivalent thickness of beam or slab\/pavement supported by cementitious or bituminous base layer
D.3.2.4 Slab on Winkler foundation (Westergaard): Longitudinal and lateral bending moment and tensile stress due to rail seat loads <\/td>\n<\/tr>\n
94<\/td>\nD.3.2.5 Critical longitudinal bending tensile stress <\/td>\n<\/tr>\n
95<\/td>\nD.3.3 Stresses due to thermal impact
D.3.3.1 Decisive bending constant stresses \u03c3c due to temperature changes \u0394T acting in concrete slabs or pavements <\/td>\n<\/tr>\n
96<\/td>\nD.3.3.2 Decisive bending tensile stresses \u03c3w due to temperature changes \u0394t acting in concrete slabs or pavements
D.3.4 Determination of maximum allowable flexural fatigue stress due to vehicle load \u03c3Q
D.3.4.1 Maximum allowable tensile flexural stress in winter (longitudinal stresses) <\/td>\n<\/tr>\n
97<\/td>\nD.3.4.2 Maximum allowable tensile flexural stress in summer (lateral stresses)
D.4 Second example (variant III: bonded multiple layers)
D.4.1 General <\/td>\n<\/tr>\n
99<\/td>\nD.4.2 Bending moment due to rail seat loads
D.4.2.1 Effective pavement thickness h1
D.4.2.2 Bedding modulus k [N\/mm3]
D.4.2.3 Slab on Winkler foundation (Westergaard): Longitudinal and lateral bending moment and tensile stress due to rail seat loads <\/td>\n<\/tr>\n
105<\/td>\nD.4.2.4 Beam on Winkler foundation (Zimmermann): Longitudinal bending moment and tensile stress due to rail seat loads <\/td>\n<\/tr>\n
107<\/td>\nD.4.2.5 Critical longitudinal bending tensile stress <\/td>\n<\/tr>\n
108<\/td>\nD.4.2.6 Critical lateral bending tensile stress <\/td>\n<\/tr>\n
111<\/td>\nD.4.3 Stresses due to thermal impact
D.4.3.1 Decisive bending constant stresses \u03c3c due to temperature changes \u0394T acting in concrete slabs or pavements
D.4.3.2 Decisive bending tensile stresses \u03c3w due to temperature changes \u0394t acting in concrete slabs or pavements <\/td>\n<\/tr>\n
112<\/td>\nD.4.4 Determination of maximum allowable flexural fatigue stress due to vehicle load \u03c3Q
D.4.4.1 Maximum allowable tensile flexural stress in winter (longitudinal stresses)
D.4.4.2 Maximum allowable tensile flexural stress in summer (lateral stresses) <\/td>\n<\/tr>\n
113<\/td>\nAnnex\u00a0E (informative)Quality control \u2013 Routine tests and frequency of testing
E.1 General
E.2 Data of the slabs to be checked <\/td>\n<\/tr>\n
115<\/td>\nE.3 Examples for frequency of testing <\/td>\n<\/tr>\n
116<\/td>\nAnnex\u00a0F (informative)Example of ballastless track system design calculation and analysis based on analytical tools <\/td>\n<\/tr>\n
117<\/td>\nAnnex\u00a0ZA(informative)Relationship between this European Standard and the Essential Requirements of EU Directive 2008\/57\/EC <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Railway applications. Ballastless track systems – System design, subsystems and components<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2018<\/td>\n120<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":356874,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-356865","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/356865","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/356874"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=356865"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=356865"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=356865"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}