Box Girder Bridge Design Example Pdf

The bridge is supported by chorded girders. The bridge deck will have no footpaths. The bridge superstructure is a cast-in-place three-cell concrete box girder with conventional reinforcing. txt) or read online. ASCE2 Abstract: Live-load distribution is an important step in the analysis of bridge superstructures. Plate girder bridges are adopted for simply supported spans less than 50 m and box girders for continuous spans upto 250 m. This installation at a manufacturer of roll forming equipment consists of 15 structural girder cranes with capacities from 1/2 to 5 tons. The bridge has a 160 feet span with a 15 degree skew. Sponsoring Agency Code 12. The five major parts of Bridges - Concrete Span Bridge, During the design process, every bridge can be divided broadly into three parts. Attached is a model file and a PDF which outlines the procedure for modeling a concrete box-girder bridge, a steel-girder bridge, and a cable-stayed bridge. Bulb-T Shapes Steel beams, welded plate girders and other special designs are used on an as needed basis. post-tensioned (CIP/PT) concrete box girder bridge. 90 All Other Girder Bridges and Slab Bridges 1. Among the prior art box girder type bridges, a streamlined box girder type proposed by Gilbert Roberts (Canadian Pat. The guide has been reviewed by an Advisory Group of experienced bridge designers. Effect of Curved Alignment and Skewed Supports on Bridge Response Skew shear factors applied to all loads for T-beam and box-girder bridges. In this study two box-girder cross-sections were designed with different cross section- i) Pre-stressed concrete box girder with four cells, ii) Pre-stressed concrete box girder with single cell. Bridge Software Development International, Ltd. ASPIRE Summer 2016 41 Preliminary Design Chapter 5 walks through the preliminary design process for a cast-in-place, post-tensioned box-girder bridge using a three-span continuous bridge as an example. This information is usually the. Typical Box Girder Bridge Design Calculations: Over two hundred(200) pages of manual design calculation for a box girder bridge! All in word documents format. prestressed, concrete bridge girders. Figure 4: external tendons inside box-girder 3. Design Step 5 - Design of Superstructure Prestressed Concrete Bridge Design Example Task Order DTFH61-02-T-63032 5-47 Design Step 5. Such design ideas as making it a one-span bridge and what material to use in construction, pre-stressed concrete or steel, were further investigated. General Zone Design 16 4. It is a 400m long and 11m wide flyover with three lanes for traffic. Abstract Precast prestressed concrete I-girder bridges have become the most dominate bridge system in the United States. No adjustments are required for the 9 kN/m uniformly distributed load for lane load. CSiBridge Watch and Learn video tutorials cover a wide range of topics, from basic product overviews to advanced subjects such as nonlinear sequential construction. ing provisions documented in the AASHTO LRFD Bridge Design Specifications, 2017, 8th Edition, which designers should adhere to unless directed otherwise by this document. Screeds, Quantities and Miscellaneous. This Bridge Design Manual was prepared by SITE-Blauvelt Engineers, Inc. 4 DESIGN CONSIDERATIONS Concrete decks are primarily designed for flexure in the transverse direction; therefore, the spacing of adjacent girders is important. Bridge Software Development International, Ltd. Bridge Design and AASHTOWare Bridge Rating are fully-linked tools that work together to model and evaluate different bridge design and load configurations on three dimensions. Loading - Single lane of Class 70-R or two lanes of Class A:. Steel Construction Manual Design Examples V14. l-Introduction 11. General Stress Analysis. MICHIGAN DESIGN MANUAL BRIDGE DESIGN CHAPTER 7 DESIGN CRITERIA - NEW AND RECONSTRUCTION PROJECTS 7. Steel and Composite Bridges 6 4. Example: Design a slab and girder bridge with 7. • Present recommended bridge geometries, girder selections, and details • Example design. Composite Girder Bridge Design Main features for PC composite girder bridge design UK and Italy PSC section database for composite sections Quick generation for PSC general shape composite section in Section Property Calculator Easy and fast generation of strands/tendons using. Steel Bridge Erection Plan/Procedure: Safety and Performance AASHTO Guide Design Specifications for Bridge Temporary Works Trapezoidal Box Girders (Tub. 1 of Preferred Practices and in TxDOT Bridge Design Manual (Policy). The design example and commentary are intended to serve as a guide to aid bridge design engineers with the implementation of the AASHTO-LRFD Bridge Design Specifications. Beam, and Girder Bridges with short spans between supports (less than 25 ft) may be built as simple slab decks. Section 3 shall apply to this section unless noted and/or excepted below. In addition, since the girders are closed they tend to remain dry and there are fewer places for debris and other corrosion causing agents to collect. The bridge consists of five identical precast prestressed box-girders,. The associated files have been revamped and are located here:. We can help you with custom formwork design to fit the concrete shoring of your next project. Steel girder bridge 20 Figure 15. No adjustments are required for the 9 kN/m uniformly distributed load for lane load. girder PDF download A log across a creek is an example of a girder bridge in its simplest form. 1 Highway Bridges. Design Examples 34 5. Because these simple slab bridges are sometimes designed with the expecta-tion that the curbs will supply part of the bending resistance, the curbs may be cast integrally with the deck slab. With the aim of application to real bridges, a case study was conducted on Gantao River Bridge, a typical concrete box girder bridge, for detailed analysis using field data. transferred from the box girder through the arch rib into the piers, and require a larger pier. continuous spans. Steel-Reinforced Elastomeric Bearings for Pretensioned Concrete I-Girders ♦ Materials. Piling Layout and Bearing Elevations. Based on these examples, review of existing. INTRODUCTION Fatigue analysis, whether for design or rating of steel railway girders, needs to account for the possibility of a high number of fatigue cycles. loadings to determine their effectiveness for fatigue analysis and design in addition to providing a proposal for fatigue loadings for future design and analysis of girder bridges. 18 June 2018 5. 6-7 Slab Design Worksheet (Steel Girder) 6-8 Slab Design Worksheet (Prestressed Concrete Girder) 6-9 Skew Limit Guidelines for Precast Concrete Deck Panels 6-10 Vertical Concrete Barrier Rail on Cored Slab 6-11 Vertical Concrete Barrier Rail on Box Beam 6-12 Drain Details (Prestressed Concrete Girders). By keeping a constant loading and varying the positions the of the. Beam, and Girder Bridges with short spans between supports (less than 25 ft) may be built as simple slab decks. A wide variety of design and construction approaches are possible when making these precast concrete bridges continuous with longer spans. 70 plate girder. Although normally the box girder bridge is a form of beam bridge, box girders may also be used on cable-stayed bridges and other forms. 1 Precast Prestressed Concrete Girders Precast Prestressed Concrete Girders will be supplied to the Contractor f. Use A36 steel and assume the girder has continuous bracing for its compression flange. We can help you with custom formwork design to fit the concrete shoring of your next project. (i) Girder bridges - Flexure or bending between vertical supports is the main structural action in this type. The ability to span longer distances with the NU girders also aids in minimizing the number of substructure components for a bridge. 2 Basic Principles This section defines the internal stress that results from either prestressing method. Work sequence in the model of the cantilever-method bridge is shown in the following drawing figure 2. AASHTO Guide Specifications for Horizontally Curved Steel Girder Highway Bridges with Design Examples for I Girder and Box-Girder Bridges—2002 Edition AASHTO Guide Specifications-Thermal Effects in Concrete Bridge Super- structures—1989 Edition AASHTO LRFD Bridge Construction Specifications—1998 Edition. WisDOT Bridge Manual Chapter 19 - Prestressed Concrete January 2019 19-4 19. ABC Technology and Steel Bridges C. girder PDF download A log across a creek is an example of a girder bridge in its simplest form. Standard ADOT 32-inch f-shape barriers will be used resulting in a bridge configuration of 1’-5” barrier, 12’-0” outside. WSDOT Standard Prestressed Concrete Girder Types. ing provisions documented in the AASHTO LRFD Bridge Design Specifications, 2017, 8th Edition, which designers should adhere to unless directed otherwise by this document. Bridge Girders Computerized Computerized Bridge Girder Designs:Bridge Girder Designs: WIDE FLANGE AND WELDED BOX GIRDERS ARE COMPUTER-DESIGNED; GIRDERS PROVIDE OPTIMUM STRENGTH WITH MINIMUM WEIGHT. View example in PDF Format (Design Example 1) Download example as a Mathcad Workbook (Zip)  Cast-in-Place Flat Slab Bridge Design. References 49 Contents. Introduction The Gunkai-gawa Bridge will be located 3 km east of the Toyota-higashi junction on the New Tomei Expressway. 4 DESIGN CONSIDERATIONS Concrete decks are primarily designed for flexure in the transverse direction; therefore, the spacing of adjacent girders is important. This publication offers designers, proprietors, contractors and architects alike relevant technical and theoretical information on construction. Supplementary Notes 13. This document is offered in US Customary Units. 2 Multiple End Anchorage 19 4. 9 km in length (Langley and Leaman, 1998). cast-in-place, reinforced concrete highway bridge are discussed. Sponsoring Agency Code 12. 0 FALSEWORK DESIGN, ANALYSIS AND INSPECTION 5. Girder bridges may be either solid web girders or truss girders or box girders. This video contains transverse and longitudinal analysis of a single cell box girder bridge to determine design moment and shear for manual calculation of flexural and shear reinforcement of the. bridge components allow bridge models to be built quickly in a drag‐and‐drop manner All or part of a bridge can quickly be copied to another bridge As a bridge model is constructed, a graphical schematic framing plan, elevation view, cross‐ section view, and other schematics provide. Welded Members in Two-Girder/Truss/Arch Bridges 0. These methods are described through 22 detailed design examples. Abstract This document consists of a comprehensive design example of a prestressed concrete girder bridge. See MISCELLANEOUS STANDARDS section in the list for all additional standard drawings required. Use is made of a computer program to compare the behaviour of alternative girder support systems and the advantages and disadvantages of each is summarized. This installation includes five bridge crane runways, with lengths varying from 70 to 250 feet. 49{A) and 1. A box girder bridge is one in which the principal structural element is one or more closed cells, acting in bending. LEAP Bridge Steel LEAP Bridge Steel is an integrated modeling, design, analysis, and load-rating software application for straight and curved I-girder and tub-girder steel bridges. Box girder bridges are commonly used for highway flyovers and for modern elevated structures of light rail transport. A postwar trend in design of metal girder bridges, reflected in the 1963 construction of a significant Maryland example, was the development of aluminum girder bridges. Part I - Design Guidelines & Plates. The design of super structure is performed as per IRC standards. Other Designs 1. All design specifica-tions referenced in this chapter are based on 1994 AASHTO LRFD (Load and Resistance Factor Design) Bridge Design Specifications [1]. 9 km in length (Langley and Leaman, 1998). 1 Concrete A. pdf), Text File (. Design Examples 34 5. 1 Bridge Design Standards. boxes), or multi. Santha Kumar 7. ing provisions documented in the AASHTO LRFD Bridge Design Specifications, 2017, 8th Edition, which designers should adhere to unless directed otherwise by this document. A method for the design of intermediate external diaphragms is presented herein. This example illustrates the design of a single span cast-Cast-in-place post-tensioned concrete box girder bridge. Types: Beam/Girder Bridges Vertical Loads from Traffic ROADWAY DECK BEAM The most basic type of bridge Typically consists of a beam simply supported on each side by a pier and can be made PIER continuous later Typically inexpensive to build Types: Beam/Girder Bridges Common Materials Timber Truss RC Beam Steel Plate Girder/ Box Girder. LARSA Computer Input and Results B-15 3. For example, the structural support of a bridge is typically a girder, while the smaller supports of a residential home are beams. Concrete Box and Prestressed Concrete TubGirders See Section 5. Closely spaced horizontal hoops, restraining the main vertical reinforcement bars of the substructure, are effectively used for this purpose. Box girders are used for highway bridges, railway bridges and footbridges – different structural forms are chosen for each of these applications. 7;64 of Ref. AASHTO Guide Specifications for Horizontally Curved Steel Girder Highway Bridges with Design Examples for I Girder and Box-Girder Bridges—2002 Edition AASHTO Guide Specifications-Thermal Effects in Concrete Bridge Super- structures—1989 Edition AASHTO LRFD Bridge Construction Specifications—1998 Edition. 01 GENERAL 7. The bridge superstructure is a cast-in-place three-cell concrete box girder with conventional reinforcing. Therefore, as the girder dries, the. com Post-tensioned PSC Box Girder Bridge using FCM as per Eurocode 13 February 2018. The Steel Bridge Module provides tools for creating models of I, box, and tub girder steel bridges and for performing AASHTO LRFD code check. 1 Precast Prestressed Concrete Girders Precast Prestressed Concrete Girders will be supplied to the Contractor f. The fourth report summarized the development of an incremental analysis procedure and computer program to analyze segmentally erected box girder bridges. 1 Initial Design Data 2. 3 Note: where b effective width of compression flange bw average width of web Use actual b if it is less than the calculated b using the above formulae. the girder for self-weight using the software GRASP, the following results are obtained. 1 Initial Design Data 2. girder design, and bearing pad design. Excessive Deflections of Record-Span Prestressed Box Girder Lessons learned from the collapse of the koror-babeldaob bridge in Palau Because full-size testing of very large structures is impossible, progress in structural engineering largely depends on drawing lessons from major disasters. The bridge has spans of 118 feet and 130 feet. The box girder usually includes either structural steel, pre-stressed concrete or in the form of reinforced concrete or composite section. A box girder bridge can be made from either steel or concrete, and uses box girders to support the bridge deck. It is important at this stage to ensure that. Raed El Sarraf, HERA, Auckland, New Zealand. 9 for design criteria. Charles Vranek Professor of Civil Engineering. CSI-bridge modular software has been used for. Forms of construction. While the design examples consider box girders of constant depth,. These bridge design excel sheets are designed according the latest codes like ACI, AASHTO LRFD, etc. Half-through Girder Railway Bridges 31 10. Loading - Single lane of Class 70-R or two lanes of Class A:. Such design ideas as making it a one-span bridge and what material to use in construction, pre-stressed concrete or steel, were further investigated. bridges to carry gravity loads and lateral loads [Fig. Such a section is referred to as. CSiBridge Watch and Learn video tutorials cover a wide range of topics, from basic product overviews to advanced subjects such as nonlinear sequential construction. 3 Structural design of pc girder CHAPTER 2 ELASTOMERIC BEARING DESIGN 2. AASHTO Guide Specifications for Horizontally Curved Steel Girder Highway Bridges with Design Examples for I Girder and Box-Girder Bridges—2002 Edition AASHTO Guide Specifications-Thermal Effects in Concrete Bridge Super- structures—1989 Edition AASHTO LRFD Bridge Construction Specifications—1998 Edition. In this regard, the girder has no specific support or attachment at the traditional end bearing areas as shown in the figure. The procedure will explain determination of moments and capacities for one positive moment region. Composite Steel Box Girders See Section 6. MDOT Bridge Division Design Manual (Version 6. Types of Bridge •Beam Bridges •Box Girder Bridges •Arch Bridges •Truss Bridges •Suspension Bridges •Cable Stayed Bridges Beam Bridges ☺☺☺☺Cheap & easyto manufacture Not very beautiful Beam needs careful design Box Girder Bridges Box Girder Sections ☺☺☺☺Cheap and cheerful ☺☺☺☺Easy to manufacture Not very. It is one of the most efficient methods of. 3 CONCRETE GIRDER Historical Overview The first reinforced concrete girder (beam) bridge was built in 1903 but the design was apparently never widely used for small structures. A design procedure is presented first with an example given afterward for a two-span bridge. Box girders are used for highway bridges, railway bridges and footbridges – different structural forms are chosen for each of these applications. sap2000 worked examples BRIDGE EXAMPLES 3-D VEHICLE LIVE LOAD ANALYSIS. Widenings ♦ Design Recommendations 2. A cross-sectionof the bridge is shown in Fig. the profile of the bridge on the left and the right side of the pier can be defined. PCI Bridge Design Manual (1997) with a section titled, "Improved Multiplier Method" built on the previous Multiplier method, was found to predict more accurate camber and deflection in prestressed bridge girders. on some of the iconic bridges (and the designers behind them) which paved the way to the creation of the modern suspension bridge. The design approach resembles the approach of a preliminary design. The bridge will be 740 m long, a seven-span continuous rigid frame box girder bridge made of prestressed reinforced concrete. Box girders were very popular in the late 1960's, but, following the collapse of four bridges, the Merrison Committee published design rules in 1972 which imposed complicated design rules. September 2013. This manual is intended to be a guide for Engineers working on bridge design projects for the WVDOH. This section is especially pertinent to transportation design with many. - [Instructor] We have modified the abutments,…now let's have look at the girders. However, they do have some important advantages. Worked examples presented at the Workshop Bridge Design to Eurocodes, Vienna, 4-6 October 2010. It is a 400m long and 11m wide flyover with three lanes for traffic. PreCoBeam Bridges 28 8. LOADS AND LOAD FACTORS. 18 June 2018 5. the BEST Center Department of Civil Engineering University of Maryland. Chapter 10 – Concrete Decks 10-6 10. 85 Floorbeams without Stringers (Deck supported directly by Floorbeams) 0. Welded Members in Two-Girder/Truss/Arch Bridges 0. Box 94759 Lincoln, NE 68509-4759 11. The box shaped girder segments are integral with the deck and are usually not longer than 20 feet. Chai, Eddy Shin-Tai Song & Karl M. Section Properties B-9 b. pdf - Download as PDF File (. obtained revealed that the method presented indeed leads to optimal structural performance for the cable-stayed bridge in particular, and might be a useful reference for the design of other similar bridges. These bridge design excel sheets are designed according the latest codes like ACI, AASHTO LRFD, etc. 01 Design Specifications In general, bridges in Michigan carrying vehicular traffic are designed according to the current edition of the Standard Specifications for the Design of Highway Bridges published. Attached is a model file and a PDF which outlines the procedure for modeling a concrete box-girder bridge, a steel-girder bridge, and a cable-stayed bridge. TRB’s National Cooperative Highway Research Program (NCHRP) Report 620: Development of Design Specifications and Commentary for Horizontally Curved Concrete Box-Girder Bridges explores proposed specifications and examples for the design of horizontally curved concrete box-girder highway bridges. EXECUTION. Post-tensioning Notes — Spliced Prestressed. There is no difference between how a beam and girder. 6 for design criteria. locations of the bridge. Prestressed Composite Girders 29 9. Webinar 9 MIDASoft Inc PSC Composite Wizard Demonstration Bridge Summary PSC composite Section • Ohio DOT B32 46 PSC Box girder 3 span bridge 80 ft 100 ft 80 ft Total slab width 22 5 ft Curve radius 500 ft Skew angle 30 degree midas Civil Tutorials Bridge Design amp Analysis midas Civil tutorials covers a wide range of topics to help you. highway bridge main girders and cross girders L/500 railway bridge main girders and cross girders L/800 crane girders, light use L/500 crane girders, heavy use (service. Nearly all of the cranes are used in workstation areas. A flyover in Trivandrum, Kerala which is a prestressed trapezoidal box girder bridge is adopted as a design example for the study. Tied-arch bridge (also called bowstring-arch or bowstring-girder bridge) is a type of bridge that has an arch rib on each side of the roadway (deck), and one tie beam on each arches, that support deck. pdf), Text File (. ) Note: This drawing is not to scale. It is intended to disseminate information regarding practices and policies to be applied to the design of Missouri structures on the state maintained system. (maximum value - notice that the haunch depth varies along the beam length and, hence, is ignored in calculating section properties but is considered when determining dead load) Moment of inertia, I c = 1,384,254 in4. To help the designer obtain an. Shear resistance of the stiffened web panel closest to the internal support P1. INTEGRATED SOLUTION SYSTEM FOR BRIDGE AND CIVIL ENGINEERING 3. In India, bridges of length exceeding 60 m are termed major bridges; others are classified as minor bridges. Footbridges and Cycle Track Bridges 37 12. 3-Methods of superstructure analysis 10. to loads recommended by Australian Bridge Design Code are determined. Flexural members -Dr. structures) is precast-prestressed girder bridge design, analysis, and load rating software • Development began in 1995 for VAX/VMS systems – Needed LRFD design tools for our most common bridge type • Released for Microsoft Windows in January 2000 • Texas Department of Transportation joined as development partner in 2007 19. Standard Drawings (U. Economical Steel Plate Girder Bridges RICHARD P. 9 illustrates the general box girder normal stresses which can occur in. Chapter 5 Concrete Structures Page 5-2 WSDOT Bridge Design Manual M 23-50. unique design and construction techniques. PROBLEM DESCRIPTION B-5 2. 2 Monostrand Slab System 36 5. Concrete Bridge Design Handbook Pdf >>>CLICK HERE<<< Section 2 — Bridge Related Glossary. a) Structure Type : Major Bridge. The procedure will explain determination of moments and capacities for one positive moment region. 6 & 7 Shear strength as per Clause 13. aa march 2014 with individual motor driven end trucks assembly instruction manual figure 2. It includes LRFD theory applied to design examples, and it illustrates step-by-step LRFD design. The proposed design in­ volves provision of post-tensioned. Results demonstrate that total construction cost is relatively insensitive to span-to-depth ratio over the following ranges of ratios: 10-35, 30-45, and 15-25 for the three bridge types respectively. Chapter 5 Concrete Structures Page 5-2 WSDOT Bridge Design Manual M 23-50. Analysis and design of prestressed concrete box girder bridge. This example illustrates the design of a single span cast-Cast-in-place post-tensioned concrete box girder bridge. Attached is a model file and a PDF which outlines the procedure for modeling a concrete box-girder bridge, a steel-girder bridge, and a cable-stayed bridge. 56 - Roadway grade dictates elevation of. 53:134 Structural Design II Shapes that are built up from plate elements are usually called plate girders; the difference is the height-thickness ratio tw h of the web. Standard ADOT 42-inch F-shape barriers will be used resulting in a bridge configuration of 1’-7” barrier, 12’-0” outside shoulder, two 12’-0” lanes, a 6. Wheel Load Design Calculation of Jib, Double Girder, EOT Crane. Jyouru Lyang. While the design examples consider box girders of constant depth,. This document is offered in US Customary Units. s u p e r s t r u c t u r e subject no. freely suspended load. Box Girder Bridge Design Example Pdf.