V, shall be taken as: Hourly mean wind speed for relieving areas Vrfor bridges without live v, smvs where Vsis the site hourly mean wind speed (see ) Smis the hourly mean speed factor which shallbe taken as: Sm ScTcS where 0 sc SC' Sc'is.
Dmrb volumes form part of a design suite of technical documents produced.
Printedin the United manual Kingdom for The Stationery Office 9 0 6 os/m 938s 1 7.For sites in bridges town terrain, advantagemay be taken of the reduction factor.Isotherms of minimum shade air temperature bridges (in "C) AI44 February2002.Where the ratio b/d as Where b/d is less than.1,the area A, shallbe derived as specified.2.Thecarriagewayshallbe dividedinto an integral number of notional laneshave equalwidths as follows: Carriagewaywidth m Number of notional lanes.00up roads to andincluding7.50 above7.50 up to and roads including.95 above.95up to and including.60 above.60up to and including.25 above.25up roads to and including21.90 August 2Q01.Departure from any of the requirements given in August.Of the adverse area.Bridlewaysshallnormallybe designedto theloading specified manual for footlcycle track bridges unless they have to carry maintenance vehicles which impose a greater loading, in which casethe loadingrequirementsmust be Where a structureis designed for a purpose 0 agreed with the Overseeing Organisation.An exampleis the abutment anchorage of a continuous structure where temperature movement is accommodatedby flexureof piers in some spans and by rollerbearings in others.For design loads the factory, shall be taken as follows: Wind considered with For the ultimate limit state limit state For the serviceability (a) erection.1.o (b) dead load plus superimposed dead load only, and for members primarily resisting wind loads.4.o (c).If the requirements of this Part of BS 5400 are applied outsidethis area, relevant local data shouldbe adopted.Appendix A Composite Version of BS 5400: Part 2 Volume 1 Section 3 Part 14 BD 37/01.
Theprobability factor, Sp, shallbe taken.05for highway, manual railway and battlefield footkycle track bridge appropriateto a return theft period of 120years.
Volume 1 Section3Appendix A, Part 14 BD 37/01Composite design Version of BS 5400: Part 2 0 BS 5400: Part 2: 1978 contents Page Foreword 9 specification.
Volume 1 Section 3 Part 14 BD 37/01 AppendixA CompositeVersion of BS 5400: Part 2 weight per unit length (see.2.3) number of lanes number of axles (see Appendix D) number of beams or box girders nominallongitudinalwind load nominaltransversewind load nominalverticalwind load dynamic pressure head.
The drag coefficient C, for each Spacingratio Less battlefield than (1) For a windward kindle truss, C, shall be taken from table.Daily and seasonal fluctuations in shade only air temperature, solar radiation, re- (a) govern its movement.BS 8004 has not been drafted on the basisof limit statedesign;it will thereforebe appropriateto adoptthenominal loadsspecified in all relevant clauses of this standard as design loads (takingyL.O and.O) for the purpose of foundationdesign in accordancewith BS 8004.Loads to bridges be take in each combination with appropriateya Values to direction factor S, Values of terrain and bridge factor S, hourly speed factor Se and fetch correction factor K, Gust speed reduction factor, T for bridges in towns Hourly mean reduction factor c for.Upcoming SlideShare, loading in 5, like this document?The following symbolsare used in this Partof BS 5400.Carriageway-widthsof less than.00m.Volume 1 Section3 Part 14 BD 37/01 Appendix A Composite Version of BS 5400: Part 2 (3) the windward and leeward parapets; except that P, need not be considered on projected areas of: (4) vice versa; the windward parapet screened by the windward truss,.
(2) coefficient shall be taken as lues of q are given in table.
Corrections within design manual FOR roads AND bridges MAY 2002 OF correction - BD 12/01 VXme 2, Section 2, Part 6 design OF corrugated steel buried structures with spans greater than.9 metres AND UP T metres In November 2001, page 7/1 - 7/2, was.
It is only possible to relate the design manual roads bridges effective bridge temperature to the shade air note.