T-Girder Bridge Design (17.5 m, c/c spacing of bridge) 26.752Gpa (Modulus Elasticity of concrete) 1. best codot.gov. structure to withstand winds of 286 kilometres per hour (178 mph), earthquakes measuring to 8.5. on the Richter scale, and harsh sea currents. Bridge Deck Protection Policy Refer to BDM Article 2.4.1.1.2 for the bridge deck protection policy. A suspension bridge is a type of bridge in which the deck is hung below suspension cables on vertical suspenders. [-~----- (a) Solid slab [0000000000 I (b) Voided slab [0000.0_00_0.0 1 (c) Cellular slab UUO'JO(d) Discrete boxes I I I I I I I I I I(e) Beam and slab Fig. The first modern examples of this type of bridge were built in the early 1800s. In-depth rigorous analysis for deck design is not warranted for ordinary bridges. PDF | ANALYSIS AND DESIGN OF T-GIRDER BRIDGE AT BALKUMARI, KATHMANDU-LALITPUR | Find, read and cite all the research you need on ResearchGate . March 31, 2015. In order to obtain credit for this course, complete the following steps: DECK DESIGN [BDG] Effective Length [9.7.2.3] Method of Analysis [9.6.1] [BDG] Live Loads [A4.1] As bridges age, decks are one of the first element to show signs of wear and tear. Strength Behavior and Design of Steel - Chapter 4. This bridge design excel sheet contains 11 individual excel sheets which are supported with the most recent codes like ACI, AASHTO LRFD, and so on. permits Steel Truss Bridge Design Example. 5.2.4.5 Transparent Stay-In-Place Deck Forms 5.2.4.5.1 Analysis and design 5.2.4.5.1.1 Materials 5.2.4.5.2 Detailing. Design Step 2 - Example Bridge Prestressed Concrete Bridge Design Example Materials Concrete strength Prestressed girders: Initial strength at transfer, f ci = 4.8 ksi 28-day strength, f c = 6 ksi Deck slab: 4.0 ksi Substructure: 3.0 ksi Railings: 3.5 ksi Concrete elastic modulus (calculated using S5.4.2.4) A.2.1 Table A.1 Exposure Class XD1 used for bridge deck soffits. Use C32/40 concrete to BS 8500. Steel Bridge Decks Example 6 Type 9 - Deck Design 2022.pdf 194.0 KB Tags: Bridge Design Examples 5. C = 0.9 Zone 2 d = 0.006 ft . This manual has been prepared to provide Washington State Department of Transportation (WSDOT) bridge design engineers with a guide to the design criteria, analysis methods, and detailing procedures for the preparation of highway bridge and structure construction plans, specifications, and estimates. Bridge Railing Design. The first design step is to identify the appropriate design criteria. Continue Steel truss bridge design example pdf. The example illustrates bridge deck design in accordance with the AASHTO LRFD Bridge Design Specifications (AASHTO 2007) and California Amendments (Caltrans 2008a). The deck of the suspension bridge is the load-bearing element of the structure. and TxDOT LRFD Bridge Design Manual 8" Slab with std. Stringer Bridges and Making the Right Choices - Chapter 6. of 648. reinf. On page one of this example, we stated that our bridge was near Socorro, NM. These kinds supported bridge is the most responsible structure in conveying the free pro- 1.1.1. Empirical Design Method (AASHTO 9.7.2) This design example uses the Approximate Elastic Method (Equivalent Strip Method), in which the deck is divided into transverse strips, assumed to be supported on rigid supports at the center of the girders. 10.2 CONCRETE DECK TYPES There are two main types of concrete decks, cast-in-place, and precast. LRFD Design Examples NHI Course 130081 - Load Resistance Factor Design (LRFD) for Highway Bridge Superstructures, Design Examples (PDF, 7.8 mb) More Information Contact Lubin Gao Office of Bridges and Structures E-mail Lubin Updated: 09/27/2021 The bridge also contains pendulums that are designed. Design Step 2.17- Design Top Longitudinal Distribution Reinforcement Design Step 2.18- Design Longitudinal Reinforcement over Piers Design Step 2.19- Draw Schematic of Final Concrete Deck Design Design Step 2.1 - Obtain Design Criteria The first design step for a concrete bridge deck is to choose the correct design criteria. The analysis of the structure has been done by a complete mathematical modelling using STAAD-Pro analysis software, while the design is done manually in line with the procedure & parameters laid down in the following standards, IRC:6-2000. 5.2 Decks . Example 6 - Deck Design Including Type 10 Mash Rail . 10.2.3 - Design Examples 10.2.4 - Technical References Section 10.3 - Investigation 10.3.1 - Bridge Site Plans 10.3.2 - Hydraulic Analysis 10.3.3 - Geotechnical Investigation 10.3.4 - Bridge Inspection Program 10.3.5 - Deck Survey 10.3.6 - Bridges Within Resurfacing, Restoration, or Rehabilitation (RRR) Projects 10.3.7 - Field Reviews Deck slab design with example - Free download as PDF File (.pdf), Text File (.txt) or read online for free. U.S. Bridge builds custom bridge decks depending on the project, from concrete deck slabs to open grid steel decks to nail-laminated timber floors. Step 1. Web Thickness Minimum thickness of the web, bmin=200 mm without prestressing duct. Match case Limit results 1 per page. Bridge Deck Design Example will sometimes glitch and take you a long time to try different solutions. Prestressed Precast Concrete Beam Bridge Design. EXAMPLE NO.1: Concrete Bridge LRFD Specifications. 434. The bridge deck is designed for IRC Class AA loading tracked vehicle. Integrated analysis and design technique involves the provision of links between section - beam - analysis - and automated bridge loading procedures. BS 8500-1 cl. The longitudinal girders are designed by Courbon's . September 17, 2013. 5.14.1.3.1c] bars in one row are used:Assume 4 bars in one row are . 2.4.2 Design of Deck S lab . The objectives of the research were to verify the design and fabrication of the orthotropic deck details proposed for the lift bridge, for infinite fatigue life. The span of the deck is 12.0m centre to centre of bearings. Structural Steel Bridge Shop Drawings - Chapter 3. Steel Bridge Design Handbook. This document is a Technical Report with worked examples for a bridge structure designed following the Eurocodes. Example of a Suspension Bridge: Chromolithograph of the "Great East River Suspension Bridge", (Brooklyn Bridge), by Currier and Ives, 1883. bridge engineering. Use Grade B500B reinforcement to BS 4449. The work ported by using rays or heavy beams. Given: 500 ft bridge S = 0.03 S. x = 0.02 . As outlined in Article 9.6.1, the AASHTO LRFD Bridge Design Specifications, 8 th Ed. Design of deck reinforcement, including flexural resistance, limits of reinforcement, and control of cracking is based on AASHTO LRFD Bridge Design Specifications 5.7.3 (typical rectangular beam design).The following design method can be used for normal weight concrete with specified compressive strengths up to 15.0 ksi. The deck should also be designed to carry the SV80 model vehicle. Design Guides 3.2.1 - LRFD Deck Design May 2019 Page 3.2.1-1 3.2.1 LRFD Deck Design A standard deck is defined as a deck slab on longitudinal beams with main reinforcement placed perpendicular to traffic. Parsons Brinckerhoff Page 80. deck slab and girder design. CSI Bridge - Example Bridge. For greater span . Deck Drainage Considerations The design of a deck requires: Removing water from the driving surface using a crown cross-section to protect against potential hydroplaning. The design curves by M. Pigeaud, are used to get Moment Coefficients in two directions for the deck slab. Typical Section 1.1. LRFD Design Examples. The structure of a stereotypical suspension bridge looks very simple but the design is extremely effective. Post on 25-Nov-2015. The deck carries a 100mm depth of surfacing, together with a traffic load (LM1) udl of 5.5 kN/m 2 and tandem axle load of 100kN (300kN/3m lane width). W. p = 18 ft T = 10 ft n = 0.016 . The design methods presented throughout the example are meant to be the most widely used in general bridge engineering practice. The most commonly constructed deck is the concrete deck slab. widening and the bridge currently has a crashworthy. This article covers bridge decks designed by the AASHTO LRFD Specifications. The bridge was designed with a two-hinged stiffening girder system, allowing the. conc. Bridge List M 23-09. Simple suspension bridges, which lack vertical suspenders, have a long history in many mountainous parts of the world.. LoginAsk is here to help you access Bridge Deck Design Example quickly and handle each specific case you encounter. WisDOT Bridge Manual Chapter 17 - Superstructure - General July 2021 17-4 17.2 LRFD Requirements 17.2.1 General For superstructure member design, the component dimensions and the size and spacing of reinforcement shall be selected to satisfy the following equation for all appropriate limit states, as presented in LRFD [1.3.2.1] Q= i i Q i This paper deals with use of the voided slab for a bridge deck. Section 9 of the Bridge Design 9'-0" Beam Spacing, 3'-0" Overhang Deck Design (Traditional) [9.6.1] Use approximate elastic methods in [4.6.2.1] This document is offered in US Customary Units. Decks sup- river, abyss, highway or any other physical barrier [2]. cl. Documents. A two-phase experimental program was conducted where a control test set consistent with a typical Virginia Department of Transportation bridge deck design using Grade 60 steel (ASTM A615, fy = 60 ksi) and epoxy-coated reinforcing steel was compared to deck slab specimens where These structural slabs are designed to be between seven and nine inches thick and are reinforced with steel bars. By. The design example and commentary are intended to serve as a guide to aid bridge design engineers with the implementation of the AASHTOLRFD Bridge Design Specifications. 2013 INDOT - Bridge Railing and Deck Design. ST-02-207 Bridge Deck Design PDH-Pro.com 396 Washington Street, Suite 159, Wellesley, MA 02481 Telephone - (508) 298-4787 www.PDH-Pro.com This document is the course text. . Therefore the approximate elastic methods specified in [4.6.2.1] will be used. It is the intent of this chapter to establish the practices and specific requirements of the Structure and Bridge Division for the design and detailing of concrete deck slabs. Dr. Sougata Roy presents Cost Effective Design for Orthotropic Bridge Decks For related information, please view the report, Design and Fabrication of Orthotropic Deck Details. 1 m (3.3 ft). You may review this material at your leisure before or after you purchase the course. K sf = silt factor . It will also provide design aids and other sources of information along with cross references to other parts of this manual to assist in the design and preparation of plans. TL4 bridge railing, the existing railing need not be. Deck plate gression of traffic. This means that section properties, vehicle positions, analysis results, and design and code checking calculations can be linked together under the one seamless interface. The deck should also be designed to carry 30 units of HB load. 2.1(a)-(g) Bridge deck types Types of bridge deck General Prior to discussing the available methods of analysis for bridge decks, it is useful to consider the various types of deck used in . Traffic action on the bridge deck (LM 1) The maximum reactive forces from finite element analysis are as follows; Self weight = 276.288 kN Traffic UDL = 194.839 kN Traffic moving load = 320.762 kN These reactions are transmitted through the elastomeric pad bearing to the pier cap. The article replaces the previous Decks article that was based on the AASHTO Standard Specifications. Steel Bridge Fabrication - Chapter 2. The empirical design method specified in [9.7.2] is not allowed by ADOT Bridge Group. List of Steel Deck Design Standards: [Show] Eurocodes EN 1991-1-1: Actions on Structures - General Actions EN 1991-1-4: Actions on Structures - Wind Actions EN 1991-1-5: Actions on Structures - Thermal Actions EN 1991-1-7: Actions on Structures - Accidental Actions EN 1991-2: Actions on . not include bridgedeck replacement or deck. This pier design example is based on AASHTO LRFD Bridge Design Specifications (through 2002 interims). EXAMPLE 1 - TANGENT GRADE BRIDGE WITH NO INLETS REQUIRED . concrete bridge decks with corrosion-resistant reinforcing (CRR) bars. Channeling drainage water away from the bridge and features Welcome to the Texas Department of Transportation FTP Server The span of the deck is 12.0m centre to centre of bearings. IRC:21-2000. Drains on tangent grade(.xls or .mcd) is on the X: drive in the LRFD Design Aids, Section 2 folder. December 2003 FHWA NHI-04-041 LRFD Design Example for Steel Girder Superstructure Bridge Prepared for FHWA / National Highway Institute Washington, DC US Units Prepared by Michael Baker Jr Inc Moon Township, Pennsylvania. In present study a comparison of solid slab deck and voided slab deck is done for bridge span of 15m, 20m and 25m. Design Example - Washington State Department of Transportation Deck Thickness > 185mm =200mm > 185mm (Gs=3m) 200 220 1.2. . = 25kN/m 3 30 units of HB also to be considered. Selecting the Right Bridge Type - Chapter 5. View example in PDF format (Design Example 2) Download example as a Mathcad Workbook (Zip) Adhesive Anchor Examples. -. EVALUATION OF BRIDGE DECK CATHODIC PROTECTION A Final Report Carey L. Younger Principal Research Assistant March 1994 Prepared by New Jersey Department of Transportation Quality Assurance, Improvement, and Research In Cooperation With U.S. Department of Transportation Federa I Highway Administration Besides the bridge type most commonly called suspension bridges, covered in this . Civilax. To calculate the design response spectrum for our bridge, we will have to input a location by latitude-longitude or by zip code. IDM 4044.01 (05) For a minor bridge rehabilitation project which does. conc. Steel Truss Bridge Design Example Pdf. As such ADOT has modified some LRFD deck design criteria to reflect past performance of decks in Arizona. The design example and commentary are intended to serve as a guide to aid bridge design engineers with the implementation This document consists of a comprehensive steel girder bridge design example, with instructional commentary based on the AASHTO LRFD Bridge Design Specifications (Second Edition, 1998, including interims for 1999 through 2002). A.3 EXCEL or MATHCAD programs can be used to complete the design process. While typical RC deck life is about a half or less of the bridge design life of 75 years, deck replacement is almost always required more frequently than bridge replacement. View example in PDF Format (Design Example 1) Download example as a Mathcad Workbook (Zip) Cast-in-Place Flat Slab Bridge Design. Design: BRG Date: 9/2007 Hwy: Any Ck Dsn: BRG Date: 9/2007 SLAB DESIGN EXAMPLE Design: Using AASHTO LRFD Bridge Design Specifications - 4th Ed. A Reinforced Cement Concrete bridge deck is designed using the Indian Roads Congress (IRC) Bridge Code: IRC 21-1987. = 25kN/m 3 SV80 model vehicle also to be considered. Furthermore, you can find the "Troubleshooting Login Issues" section which can answer your unresolved problems and equip you . concrete deck, prestressed concrete I-girders, elastomeric bearing, integral abutments and wing walls, multi-column bent and . Bridge Steels and Their Mechanical Properties - Chapter 1. It summarizes important points of the Eurocodes for the design of concrete, steel and composite road bridges, including foundations and seismic design, utilizing a common bridge project as a basis. The detailed specifications of these spreadsheets are as follows: Bridge Concrete Girder: Prestressed Concrete Girder Design for Bridge Structure supported with AASHTO 17th Edition & ACI 318-11. resulting minimum deck slab thickness per ADOT guidelines is 8.00 inches. [AASHTO Art. 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