Concrete Bridge Design To Bs 5400 Pdf

| Detailing Aspect | BS 5400 Requirement | |------------------|----------------------| | Minimum reinforcement in flexure | 0.15% of gross concrete area (for grade 460 steel) | | Maximum spacing of bars in tension | 150 mm for high durability | | Minimum link diameter | 10 mm for main beams | | Maximum spacing of links | 0.75 × effective depth | | Cover to prestressing ducts | ≥ 50 mm or duct diameter |

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| Aspect | BS 5400 Part 4 | BS EN 1992-2 | |--------|----------------|---------------| | | Withdrawn | Current | | Approach | Partial safety factors (simpler) | More detailed partial factors + national annex | | Shear design | Empirical equations | Variable strut inclination method | | Durability | Nominal cover tables | Exposure classes + carbonation/chloride models | | Crack control | Simplified steel stress limits | Direct calculation or deemed-to-satisfy rules | | Detailing Aspect | BS 5400 Requirement |

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: An official UK standard that provides specific requirements and amendments for using BS 5400-4 in motorway and trunk road projects. Essential Design Guides & Manuals Concrete Bridge Design to BS 5400 (by L.A. Clark) Essential Design Guides & Manuals Concrete Bridge Design

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