steel+concrete+composite+box+girder+bridges

Steel–Concrete Composite Box Girder Bridges pptx

Steel–Concrete Composite Box Girder Bridges pptx

... corrosion Box girders also provide smooth, aesthetically pleasing structures There are two types of steel box girders: steel concrete composite box girders (i.e., steel box composite with concrete ... used for longer-span bridges This chapter will focus on straight steel concrete composite box- girder bridges Steel box girders with orthotropic deck and horizontally curved bridges are presented ... with concrete deck) and steel box girders with orthotropic decks Composite box girders are generally used in moderate- to medium-span (30 to 60 m) bridges, and steel box girders with orthotropic...

Ngày tải lên: 08/07/2014, 12:20

25 495 1
behavior and design of open steel box girder bridges by up-down construction method

behavior and design of open steel box girder bridges by up-down construction method

... 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 ... Method Applied for Steel Box Girder 2.3 Double Composite 15 2.4 Partial Length Prefabricated Deck Concrete Slab 19 2.5 Proposed Up-Down Method for Open Steel Box Girder 20 2.6 ... It has been researched, developed, and applied over 200 bridges for prestressed concrete bridges, preflex bridges and steel box- girder bridges In order to understand the primary idea of up-down...

Ngày tải lên: 13/11/2014, 06:40

207 402 0
An investigation of interfacial behaviour in steel concrete composite system by cohesive zone method

An investigation of interfacial behaviour in steel concrete composite system by cohesive zone method

... conventional composite construction and novel steel- concrete -steel sandwich construction aim to optimally utilize steel and concrete materials The key to the development of a novel steel- concrete composite ... of bonded steel- concrete composite beam 199 Figure 6.11 Plastic strain distribution of bonded steel- concrete composite beam 199 Figure 6.12 Simulated slip between steel section and concrete slab ... novel composite deck and sandwich composite systems In this section, the background of current research is discussed 1.1.1 Conventional steel- concrete composite slab and beam Research on steel- concrete...

Ngày tải lên: 08/09/2015, 17:47

316 1.3K 0
Blast resistance of steel concrete composite structures

Blast resistance of steel concrete composite structures

... Masonry 34 2.5.2 Reinforced Concrete 35 2.5.3 Steel 38 2.5.4 Composite (Steel- Concrete) 42 ANALYSIS OF CONCRETE FILLED STEEL TUBULAR COLUMN SUBJECTED TO BLAST ... element at the mid-span of RC and concrete- filled steel composite columns 105 Figure 3-43 RC column with comparable properties as the concrete- filled steel composite column in Figure 3-36 ... formworks Composite structures harness the strength of both concrete and steel to optimise on the usage of materials in design In view of the significant performance of steel- concrete composite...

Ngày tải lên: 09/09/2015, 10:17

284 232 0
ROBUSTNESS ANALYSIS AND DESIGN OF STEEL CONCRETE COMPOSITE BUILDINGS

ROBUSTNESS ANALYSIS AND DESIGN OF STEEL CONCRETE COMPOSITE BUILDINGS

... numerical models for analysing 3D steel- concrete composite building frames by: • Modelling the composite slab by an equivalent uniform concrete section • Modelling the composite joint using the rotation ... robustness analysis and design of steel- concrete composite building Appendix One provides step-by-step calculations for the robustness design of a steel- concrete composite building Appendix 2: Detailed ... numerical models to capture the behaviours of steel- concrete composite building structures subject to extreme load Simplified composite joint models and composite slab models are proposed to reduce...

Ngày tải lên: 09/09/2015, 11:25

394 325 0
Efficient progressive collapse analysis for robustness evaluation and enhancement of steel concrete composite buildings

Efficient progressive collapse analysis for robustness evaluation and enhancement of steel concrete composite buildings

... spring representing jth bolt-row of connection hc height of concrete above the steel deck of composite slab hd height of steel deck of composite slab Rn tear-out resistance of bolt-row on connection ... flexural rigidity of a frame section Es elastic modulus of steel material Ec elastic modulus of concrete material fc concrete crushing strength fy steel yielding strength Fy , j yield capacity of spring ... of connection and concrete slab on the effective tying of steel beams The composite floor system studied is a single-storey composite steel- framed specimen tested by Tan and Astaneh-Asl (2003)...

Ngày tải lên: 10/09/2015, 09:10

244 923 0
Effect of hard impact on steel concrete composite sandwich plates

Effect of hard impact on steel concrete composite sandwich plates

... the steel plate Figure 3.6b: Dent depth on steel plate Figure3.7: Test specimens Figure 4.1a: mm Steel Plate after Impact Figure 4.1b: 10 mm Steel Plate after Impact Figure 4.2a: Normal Concrete ... (Top Steel Plate) Figure 4.15a: Dent Depth v/s Steel Plate Thickness (Single Steel Plates) Figure 4.15b: Log of Dent Depth v/s Steel Plate Thickness Figure 4.16: Dent Depths for Top and Bottom Steel ... A series of 300x300 mm square plain steel and composite sandwich plates were tested A 40 mm thick concrete- composite middle plate was sandwiched between two steel plates in the sandwich specimens...

Ngày tải lên: 16/09/2015, 17:11

215 177 0
Design appraisal of steel concrete composite joints

Design appraisal of steel concrete composite joints

... of composite construction is increased significantly where concrete is utilised for compression and steel in tension Furthermore, concrete provides corrosion resistance and fire protection to steel ... EC4 (1994) defines composite joints as those where steel or composite beams frame into steel or composite columns, or reinforced columns in which steel reinforcement is intended to contribute to ... slender steel sections to buckling modes A composite frame is widely recognized as a framed structure in which some or all of the beams and columns are composite members EC4 (1994) defines composite...

Ngày tải lên: 17/09/2015, 17:17

240 436 0
Finite element model for nonlinear analysis of steel–concrete composite beams using Timoshenkos beam theory

Finite element model for nonlinear analysis of steel–concrete composite beams using Timoshenkos beam theory

... “Nonlinear analysis of steel concrete composite structures: stateof-the-art”, J Struct Eng, 130 (2),159–168 Newmark , N.M., Siess, C.P and Viest , I.M (1951), “Tests and analysis of composite beams ... direct stiffness analysis of a composite beam with partial interaction”, Int J Numer Methods Eng, 61(5), 657–672 Ranzi , G and Zona , A (2007), “A steel concrete composite beam model with partial ... of the beam are shown in Fig and Table As shown in the figure a steel plate 120 × mm is welded into bottom flange of the steel girder There are five rebars dia of 14mm, placing in at the mid-depth...

Ngày tải lên: 03/06/2016, 19:11

16 549 0
FIBER REINFORCED HIGH STRENGTH CONCRETE WITH CELLULAR STEEL SANDWICH COMPOSITE PANEL FOR BLAST AND IMPACT MITIGATION

FIBER REINFORCED HIGH STRENGTH CONCRETE WITH CELLULAR STEEL SANDWICH COMPOSITE PANEL FOR BLAST AND IMPACT MITIGATION

... results on steel- concrete composites utilizing multiple layers of steel and concrete such as steel- concrete -steel (SCS) sandwich panels, steel- stud precast panels and multi-material layered composite ... various composite structural panels including conventional reinforced concrete panels, steel fibre reinforced concrete panels, profiled steel sheeting reinforced concrete panels, steel- air -steel ... Composite panel as an energy absorber Metal sandwich panels Steel- concrete -steel (SCS) sandwich panels 12 Fibre composite panels 14 Steel stud composite...

Ngày tải lên: 09/09/2015, 08:15

215 353 0
Ultimate strength behaviour of steel concrete steel sandwich composite beams and shells

Ultimate strength behaviour of steel concrete steel sandwich composite beams and shells

... structure SCS Steel- concrete -steel sandwich composite structure UCU U connector-cable-U connector connecting system ULCC Ultra lightweight cementitious composite USU U connector -steel bar-U connector ... REVIEW 2.1 General Steel- concrete -steel sandwich (SCS) sandwich composite structure is a relatively new type of structure that combines advantages of both steel plate tension and concrete core compression ... Summary…………………………………………………………………… - 176 CHAPTER Strength of steel- concrete -steel sandwich composite beams with ultra lightweight cementitious composite (ULCC)……………………………………- 179 5.1 Introduction…………………………………………………………………...

Ngày tải lên: 09/09/2015, 17:57

371 693 0
Fatigue analysis and design of steel concrete steel sandwich composite structures

Fatigue analysis and design of steel concrete steel sandwich composite structures

... 1.1.3 Fatigue on Steel- Concrete Composite Structures Research on fatigue of steel- concrete composite structures mainly comes from composite bridges or composites-strengthened bridges due to vehicle ... of Steel- ConcreteSteel (SCS) sandwich construction which will be discussed in details in the following section 1.1.2 Steel- Concrete -Steel (SCS) Sandwich Construction The early form of Steel- Concrete -Steel ... Fiber-reinforced concrete LWC Lightweight concrete LWAC Lightweight aggregate concrete LWCA Lightweight coarse aggregates SFRC Steel fiber reinforced concrete SCS Steel- Concrete -Steel xxii Chapter...

Ngày tải lên: 12/09/2015, 11:35

305 368 0
A031  AASHTO LRFD DESIGN EXAMPLE HORIZONTALLY CURVED STEEL BOX GIRDER BRIDGE

A031 AASHTO LRFD DESIGN EXAMPLE HORIZONTALLY CURVED STEEL BOX GIRDER BRIDGE

... minimum depth However, box girders are generally stiffer than I-girders because an individual box nearly acts as two I-girders for vertical bending For torsion, an individual box girder is significantly ... Horizontally Curved Steel Box Girder Bridge Design Example was originally developed in the NCHRP 12-38 project using the 1993 AASHTO Guide Specifications for Horizontally Curved Steel Girder Bridges It ... E-2 Constructibility – Web, Box Girder E-4 Table E-3 Strength – Bottom Flange, Box Girder E-5 Table E-4 Maximum Pricipal Stresses – Bottom Flange, Box Girder E-5 vii tailieuxdcd@gmail.com...

Ngày tải lên: 31/10/2016, 20:43

148 389 0
aisc design guide 2 - errata - steel and composite beams with web openings

aisc design guide 2 - errata - steel and composite beams with web openings

... practice for composite beams, in which the concrete deck is used only to resist the bending moment, and shear is assigned solely to the web of the steel section For both steel and composite sections, ... Failure modes at web openings, (a) Steel beam, pure bending, (b) steel beam, low moment-shear ratio, (c) composite beam with solid slab, pure bending, (d) composite beam with solid slab, low ... decking has in ribs on 12 in centers transverse to the steel beam An A36 W21×44 steel section and normal weight concrete will be used Normal weight concrete (w = 145 = ksi will be used Can an unreinforced...

Ngày tải lên: 24/10/2014, 17:01

15 775 3
aisc design guide 2 - steel and composite beams with web openings

aisc design guide 2 - steel and composite beams with web openings

... Steel Design Guide Series Steel and Composite Beams with Web Openings Design of Steel and Composite Beams with Web Openings David Darwin Professor ... were composite and noncomposite members In recent years, a great deal of progress has been made in the design of both steel and composite beams with web © 2003 by American Institute of Steel ... area of steel in unperforated member Cross-sectional area of shear stud Net area of steel section with opening and reinforcement Net steel area of top tee Area of a steel tee Effective concrete...

Ngày tải lên: 24/10/2014, 17:01

65 1.5K 5
Impact performance of steel concrete steel sandwich structures

Impact performance of steel concrete steel sandwich structures

... loading are discussed 2.2 Steel- Concrete -Steel (SCS) sandwich In composite structures steel and concrete are used to form a composite unit The first applications of this composite construction were ... Introduction 1.1 Overview Steel- Concrete -Steel (SCS) sandwich composite construction, also known as double skinned composite, is a structural system consisting of a concrete core, sandwiched ... partial composite action Ns Number of shear connectors between zero and maximum moment for full composite action N t.Rd Tensile force in the steel plate n Modulus ratio between steel and concrete...

Ngày tải lên: 14/09/2015, 14:08

276 526 0
Analysis and design of steel and composite structutre

Analysis and design of steel and composite structutre

... of composite beams 408 11.6.9 Design procedure 409 References 409 411 431 Notations Index Trung taõm ủaứo taùo xaõy dửùng VIETCONS http://www.vietcons.org Preface Steel and composite steelconcrete ... Structural design process 1.4 Material properties 1.4.1 Structural steel 1.4.2 Profiled steel 1.4.3 Reinforcing steel 1.4.4 Concrete 1.4.4.1 Short-term properties 1.4.4.2 Time-dependent properties ... thin steel plates 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 Introduction 37 Steel plates under uniform edge compression 37 3.2.1 Elastic local buckling 37 3.2.1.1 Simply supported steel plates 37 3.2.1.2 Steel...

Ngày tải lên: 27/04/2016, 22:57

16 339 1
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