load factor design of composite plate girder bridge

... effective length factor = unbraced length of column, in = radius of gyration of steel shape in plane of buckling, Load and Resistance Factor Design (LRFD) of Composite Columns To qualify as a composite ... Part to assist the designer in the rapid selection of the most economical section to resist required values of factored load and moment PART 1: USE AND DESIGN OF COMPOSITE COLUMNS Composite Frame ... of factored axial load resisted by W10×54 is: Compute m and n factored load contributory to area enclosed by steel shape, kips Factored axial load resisted by steel shape, kips Area of base plate, ...

Ngày tải lên: 24/10/2014, 17:02

... of box girder bridges girder, J Struct Div ASCE, 106(ST11), 2345, 1980 Subcommittee on Box Girders of the ASCE-AASHTO Task Committee on Flexural Members, Progress report on steel box girder bridges, ... be designed for not less than the larger of the following: • The average of the flexure moment, the shear, or axial force due to the factored loading and corresponding factored resistance of member, ... not exceed 0.95Rh Fy f 13.8 Design Example Two-Span Continuous Box -Girder bridge Given A two-span continuous composite box -girder bridge that has two equal spans of 45 m The superstructure is...

Ngày tải lên: 08/07/2014, 12:20

... Part 3: Design in composite construction; — Section 3.1: Code of practice for design of simple and continuous composite beams; — Part 4: Code of practice for design of composite slabs with profiled ... concentrated load Dp Overall depth of profiled steel sheets Ds Overall depth of composite slab ds Effective depth of slab to centroid of profiled steel sheets Modulus of elasticity of profiled steel ... concrete and composite bridges BS 5400-5:1979, Code of practice for design of composite bridges BS 5950, Structural use of steelwork in building BS 5950-9, Code of practice for stressed skin design7 )...

Ngày tải lên: 08/07/2014, 22:20

... Failure of H9 Figure 3.24 Moment-Rotation Curve of H9 Figure 3.25 Premature Failure of H10 Figure 3.26 Comparison of Load- Displacement Curve of H2,H4 and H6 Figure 3.27 Comparison of Load- Displacement ... resistance of the composite beam (or Mc taking into account partial shear connection) Mnc = the negative moment resistance of the composite beam at the tip of the haunch wu = the factored design load ... Coefficient Ibc = Second moment of area of the uncracked composite beam Ic = Second moment of area of the column L = Length of the beam (including the haunch) λ = Slenderness of the beam length between...

Ngày tải lên: 16/09/2015, 17:12

... of steel girder and Negative moment Steel girder + Top slab Steel girder Steel girder + Top slab Steel girder Steel girder +Top slab Steel girder + Bottom slab Steel girder + Top slab Steel girder ... for steel box girder bridge but also for plate girder bridge Saul (1992) cites three examples of double -composite bridges in Germany, completed between 1992 and 1994 The double composite type ... middle bottom flange 133 6.32 Design of two-span continuous bridge a) Conventional design T1; b) Design T2; c) Proposed bridge design T3 136 6.33 Design of closed-rectangular brdige by up-down...

Ngày tải lên: 13/11/2014, 06:40

... Geometry of Representative Bridges for Calibration 187 Table 4-5 Comparison of Distribution of Span Lengths for Selected Bridges 188 Table 4-6 Comparison of Distribution of Number of Girders ... 4-2 Histogram of Bridge Spans 184 Figure 4-3 Histogram of Number of Girders 185 Figure 4-4 Histogram of Deck Width 185 Figure 4-5 Plot of Convergence of Monte Carlo ... Selected Bridges 188 Table 4-7 Comparison of Distribution of Deck Widths for Selected Bridges 189 Table 4-8 Comparison of QConBridge™ and CT-BDS for Selected Girders 193 Table 4-9 Load Components...

Ngày tải lên: 14/11/2014, 13:32

... function of each of the components of a bridge deck Chapters 10, 11, 12 and 13 describe the different types of bridge deck Chapters 14 and 15 are devoted to the methods of construction of bridge ... effect of scale on the method of construction 16.1 General 16.2 A bridge length of 130 m on four spans 16.3 A bridge length of 130 m on three spans 16.4 The bridge is 500 m long 16.5 A series of ... instability of arches Bridge over Sungai Dinding Bridge over Sungai Dinding: balanced cantilever construction of arch Bridge over Sungai Dinding: span-by-span erection of arches Construction of Krk Bridge...

Ngày tải lên: 18/02/2014, 18:20

... Micro-Mechanics of composite materials, “Nauka Dumka”, Kiev, 1985 G.A Vanin, Nguyen Dinh Duc, The theory of spherofibre composite. 1: The input relations, hypothesis and models, J Mechanics of composite ... V.P Tamuz, G.A Teterc, Strength of composite materials, Riga, “Zinatie”, 1980 Nguyen Dinh Duc, Dinh Khac Minh, Bending analysis of three-phase polymer composite plates reinforced by glass fibers ... [1] [2] [3] [4] S Timoshenko, S Krieger, Theory of Plates and Shells, Mc Graw-Hill Book Company, NY 1959 J.N Reddy, Mechanics of Laminated Composite Plates and Shells: Theory and Analysis, CRC Press,...

Ngày tải lên: 14/03/2014, 13:20

Ngày tải lên: 12/05/2014, 23:57

Ngày tải lên: 13/05/2014, 03:01

... participation of Active Members in the engineering, research, and development activities of the Institute make possible the publishing of this Second Edition of the Load and Resistance Factor Design ... Construction, Inc (AISC) Load and Resistance Factor Design Specification for Structural Steel Buildings, December 1, 1993 Specification for Load and Resistance Factor Design of Single-Angle Members, ... hot-rolled structural shapes, plates, and bars Two steels, ASTM A514 and A852, are available only in plates Table 1-1 shows five groups of shapes and eleven ranges of thickness of plates and bars available...

Ngày tải lên: 29/06/2014, 16:20

... by the owners and the designers based on the importance rank of the bridge The fundamental task for seismic design of a bridge structure is to ensure a bridge s capability of functioning at the ... second level of design consideration is to control the performance of a bridge under severe earthquakes that have only a small probability of occurring during the useful life of the bridge In the ... The first level of design concerns control of the performance of a bridge in earthquake events that have relatively small magnitude but may occur several times during the life of the bridge The second...

Ngày tải lên: 08/07/2014, 12:20

... parts of the bridge structure The origin of the R factor design procedure can be traced back to the ATC 3-06 document [9] for building design Since requirements in seismic provisions for member design ... Association of State Highway and Transportation Of cials (AASHTO) published both the Standard Specifications for Highway Bridges [2] and the LRFD Bridge Design Specifications [1], the latter being a load ... and critical bridges are beyond the scope of this chapter 39.1.2 The R Factor Design Procedure AASHTO seismic specification uses a response modification factor, R, to compute the design seismic...

Ngày tải lên: 08/07/2014, 12:20

... frequency of bridge collapse of 0.0001 for critical bridges and an annual frequency of bridge collapse of 0.001 for regular bridges These annual frequencies correspond to return periods of bridge ... a side span of the massive bridge Most of the deaths occurred when a packed movie theater on the top deck of the passenger ship was sheared off by the low vertical clearance of the bridge superstructure ... out of vessel reach are preferable 60.2.2 Selection of Bridge Type, Configuration, and Layout The selection of the type and configuration of a bridge crossing should consider the characteristics of...

Ngày tải lên: 08/07/2014, 12:20

... Micro-Mechanics of composite materials, “Nauka Dumka”, Kiev, 1985 G.A Vanin, Nguyen Dinh Duc, The theory of spherofibre composite. 1: The input relations, hypothesis and models, J Mechanics of composite ... V.P Tamuz, G.A Teterc, Strength of composite materials, Riga, “Zinatie”, 1980 Nguyen Dinh Duc, Dinh Khac Minh, Bending analysis of three-phase polymer composite plates reinforced by glass fibers ... [1] [2] [3] [4] S Timoshenko, S Krieger, Theory of Plates and Shells, Mc Graw-Hill Book Company, NY 1959 J.N Reddy, Mechanics of Laminated Composite Plates and Shells: Theory and Analysis, CRC Press,...

Ngày tải lên: 21/07/2014, 16:21

... observed for two-thirds of all 102 transcription factors and for 82.5% of the 40 transcription factors that regulate at least 50 genes (P = × 10-5 was estimated for this number of factors, by randomly ... Number of binding sites 40 reviews Variance of expression profile 0.9 comment Cumulative fraction of genes Volume 6, Issue 12, Article R103 10 Number of binding sites 15 0.3 0.25 0.2 0.15 Number of ... of distribution correlations for one ofhas datanumber of motif for promoters to which as tion factor associated effectivesite inpromoters according exactly number ofnumberthe binding sites, factorsfuzziness...

Ngày tải lên: 14/08/2014, 15:20

... analysis and design, design load refers to loads without load factors For ultimate load analysis and strength design, design load refers to loads multiplied by appropriate load factors Effective ... bottom flange of the girder In both types the top slab serves the dual function of being the flange of the girder and the roadway slab of the bridge Solid web girders-This type of bridge differs ... 5.2-Dead loads 5.3-Construction, handling, and erection loads 5.4-Deformation effects 5.5-Environmental loads 5.6-Pedestrian bridge live loads 5.7-Highway bridge live loads 5.8-Railroad bridge live loads...

Ngày tải lên: 24/10/2014, 16:04

... used for final design of simple bridges and for preliminary design of complex bridges This approach is reasonably accurate for response of straight bridges without a high degree of stiffness or ... combination of dead load and seismic load were 86 to 100 percent of the results that included dead loads, seismic loads and live loads for column axial load, and 89 to 92 percent of the results ... Table R-factors are used to obtain the design forces for each component using the results of an analysis of the bridge when using the seismic load of the elastic design spectrum The Rfactors...

Ngày tải lên: 24/10/2014, 22:00