TB 10002-2017 PDF English
US$455.00 · In stock · Download in 9 secondsTB 10002-2017: Code for design on railway bridge and culvert Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedureStatus: Valid TB 10002: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| TB 10002-2017 | English | 455 |
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Code for design on railway bridge and culvert
| Valid |
| TB 10002.1-2005 | English | RFQ |
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3 days
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Fundamental code for design on railway bridge and culvert
| Obsolete |
| TB 10002.1-1999 | English | RFQ |
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14 days
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Fundamental code for design on railway bridge and culvert
| Obsolete |
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TB 10002-2017: Code for design on railway bridge and culvert---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/TB10002-2017
Code for Design of Railway Bridge and Culvert
Issued on September 29, 2017
Issued by National Railway Administration of the People's Republic of China
1 General provisions
1.0.1 This Code is formulated with a view to implementing relevant laws and regulations and railway
technical policies of the nation, unifying the technical standards of the design of railway bridges and
culverts, and making the design of railway bridges and culverts meet the requirements of safety,
reliability, advancedness, maturity, cost effectiveness, applicability, and environmental protection.
1.0.2 This Code is applicable to the design of bridges and culverts on standard gauge high-speed
railway, intercity railway, Class I and Class [[ mixed passenger and freight railway, and heavy-haul
railway to be constructed or renovated.
1.0.3 Railway bridges and culverts shall meet the requirements of operation, inspection, maintenance
and emergency repair and shall have good durability. The structure of railway bridges and culverts
shall be concise and aesthetic, and shall be standardized as much as possible to facilitate fabrication and
mechanized construction.
1.0.4 The design service life of the main structure of railway bridges and culverts shall be 100 years.
1.0.5 The design scheme of railway bridges and culverts shall be based
conditions and trend of the river, and geological conditions, taking into consideration the interrelation
between the bridge/culvert and the road, water conservation, navigation, industry, and agriculture, and
environmental protection, soil, and construction.
1.0.6 During fabrication, transportation, erection and operation, the structure of railway bridges and
culverts shall have the specified strength, rigidness, and stability. The structure of railway bridges and
culverts shall meet the requirements of track regularity, train running safety and riding comfort.
1.0.7 The functions, hydrological and geological conditions, environmental conditions, track types,
construction methods and other factors shall be considered in the selection of the structural types of
railway bridges and culverts.
1.0.8 The construction materials for railway bridges and culverts shall be selected with consideration
of the structure types, force conditions, operation requirements and environment conditions.
1.0.9 The design flood frequency and the check flood frequency of railway bridges and culverts shall
be in accordance with Table 1.0.9.
and cultural relic water conservation onTable 1.0.9 Flood Frequency Standard for Bridges and Culverts
Notes.
1 If the observed flood (including investigated flood) frequency is smaller than the design flood frequency listed in the above
table, the observed flood frequency shall be adopted for the design. However, the design flood frequency for very long
bridges, long bridges, and medium bridges shall not be smaller than 1/300, and that for short bridges and culverts shall not
be smaller than 1/100.
2 When the water level does not agree with the flow rate due to upwind, ice jam, tide, water intrusion, river-bed evolution,
reservoir impoundment and backwater of other hydraulic structures, the flow rate and the water level shall be determined
respectively.
3 For bridges and culverts within the inundation scope of reservoirs, the flood frequency listed in the above table shall be
adopted. For bridges and culverts downstream a dam, the standard flood discharge of the reservoir listed in the above table
plus, the quantity of the catchment between the bridge and the dam shall be used as the flow rate by which the bridges and
culverts are designed and checked, if the design flood frequency standard of the reservoir is higher than that of the bridges
and culverts. If the checking flood frequency standard of the reservoir is lower than the flood frequency standard of the
bridge and culvert, relevant departments shall be negotiated with to improve the checking flood frequency standard of the
dam to make it conform to the flood frequency standard of the railway bridges and culverts. If it is difficult to do so, the
design can be performed according to the natural status of the stream, however, the unfavourable influence of the dam
breaking on the bridges and culverts shall be considered.
4 For bridges and culverts within the upstream and downstream influence scopes of dams, the design flood frequency of the
bridges and culverts may be increased appropriately if the sediment deposition of the
unfavourable influence on the bridges and culverts.
5 The opening of the submerged culvert and/or inlet submerged culvert shall be checked according to the flood frequency of
the design embankment height.
6 For the renovation of the existing railway line and/or the addition of the second railway line, the flood frequency shall be
determined according to the operation conditions and the specific status of the flood hazard, and the existing buildings shall
be utilized as much as possible.
1.0.10 The structure gauge of bridges and culverts shall comply with the requirements of relevant
current standards.
1.0.11 The design of safety warning signs, protection signs and protection facilities of bridges and
culverts shall comply with Safety Management Regulations of Railways (Decree No. 639 of the State
Council of the People’s Republic of China).
1.0.12 Regarding the renovation of the existing railway line or the addition of the second railway
railway line shall be adopted for railway sections to be added, while its line, the standard for the
should be adopted for railway sections to be renovated.
1.0.13 In addition to this Code, the design of railway bridges and culverts shall also comply with
relevant current mandatory codes of the nation.
3 Layout of Bridge and Culvert
3.1 General Requirements
3.1.1 Bridges and culverts shall not be located on arable lands or if no alternatives are available, shall
of arable land. The layout shall take into consideration of the requirements and influences of land and water transportation, irrigation and drainage, water source protection areas,
and underground pipelines. Siting of bridges and culverts shall be integral to well-functioning drainage systems together with natural water systems and local irrigation and drainage
minimize the usewildlife reservessystems.
3.1.2 It is a principle to build one bridge when one river is to be crossed. It should not be forced to
concentrated flow by long or large diversion dike.
3.1.4 The centrelines of bridge site should be orthogonal to the flow direction of floodwater. The
backwater at the bridge end and the resulted triangular backflows should be avoided for skew bridge.
3.1.5 For plains and flood plains, bridges and culverts shall be reasonably arranged according to
flood diversion facilities.
3.1.6 The centreline of bridge site
Rechanneled water courses shall be considered change the water
3.1.7 The bridge structure should be designed to be orthogonal. When the skew is unavoidable, the
angle between the bridge axis and the support line should be no smaller than 60.
3.1.8 The ride comfort requirements, construction process requirements of the transition section
between subgrade and bridge (culvert), technical economy and other factors shall be taken into
consideration during the determination of embankment length between adjacent bridges and culverts.
3.1.9 The design of diversion and control structures shall meet the following requirements.
1 The top surface of diversion and control structures that are not immersed shall be higher than
the water level of designed flood frequency by at least 0.25 m (consideration shall be also given to the
slope of water surface). Where necessary, study into the effects of back water level, height of hitting
waves, local flow uprush, partial skew flow uprush, cannot of cove, riverbed sedimentation etc.
immersed should be higher than2 the top surface of diversion and control structures that
normal water level.
3 The water face of diversion and control structures that are not immersed shall be equipped
with full-height protection. And the immersed diversion and control structures shall be protected at
both sides and top surface. The protection criteria for various diversion and control structures may be
determined by the impacts of water streams, waves, drift ice, driftwood, drifters, etc. Scour shall be
3.4.3 The conical fill slope shall be protected in full-height, and its protective standard shall be
determined based upon the water flow speed, drift ice, driftwood etc. The top surface of cut off wall of
revetment toe shall not be less than 0.25 m below the scouring line of abutment. Embankment slope
the culvert shall be paved for protection. The protection height shall be determined based upon
the design flood frequency, and the height shall be 0.25 m higher than the designed flood frequency
water level at the upstream and downstream. The protection height shall the cone.
3.4.4 Mortar flag stone
3.4.5 Open deck bridge should be in a straight line with flat slope, and the bridge deck shall
the bridge length exceeding 100be closed. The open deck bridge with the span exceeding 40
should not be constructed on gradient.
3.5 Deck Layout and Ancillary Facilities
3.5.1 The layout of deck shall in accordance with the following provisions.
1 The ballast thickness under the sleeper of ballasted track on bridge shall be consistent with the
relevant standards.
2 Ballast retaining wall shall be set for bridge with ballasted track. And its height shall not be
lower than the top surface of adjacent tracks if it is also used as a protective wall.
3 The inner distance from the centre line of ballasted track on bridge to the protecting wall
(ballast retaining wall) shall be no smaller than 2.2 m if large machine maintenance is adopted.
4 The widening of bridge structure clearance relevant standards.
5 The height of bridge railings shall be less than 1.0 m of the top surface height.
6 The position of the OCS poles on the bridge shall be determined according to the technical
requirements of the catenary and the requirement of the widening of the inner clearance of the
the bridge The OCS poles should not be in the midspan of girder if it is installed on curve.
7 The width of bridge deck shall be calculated and determined in consideration of structure
gauge, operation maintenance channel, cable trough, width of OCS pole structure, maintenance and
repair method.
3.5.2 The guardrails shall be laid in the inner side of the basic rail on the bridge, if the protection
wall for derailment load of the mixed passenger and freight railway and heavy-haul railway bridge is
not set. Laying of guardrails on the bridge shall meet the following situations.
1 Bridge length greater than 50sleeper. Open deck bridge with bridge length over 20
2 For railway bridge crossing railway, major highway, and main urban traffic lines.
3 Guardrails shall be laid on both tracks of double track bridge. Guardrails shall be laid on each
track for bridge with triple-track and above, if the bridge deck for each track is located on the separated
bridge structures. While the guardrails may be laid on the two-outside track with each track located on
the same bridge span structure (such as the rigid frame bridge).
3.5.3 The arrangement of sidewalk and railing shall comply with the following requirements.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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