Service load design sld or load factor design lfd specifications may be used. The intent is to provide guidance as well as an interpretation of aashto lrfd bridge design specifications specific to new mexico bridge design. The design of integral abutments is covered in ba 42, pd 66941 and a number of publications, such as integral abutments for prestressed beam bridges by b a nicholson, and composite highway bridge design document p356 by d c iles give guidance and examples. For mathcad problems, view our mathcad frequently asked questions page and visit the ptc mathcad community site. This software and other files are intended for use by consultants working for the bridges and structures bureau in their development of projects for the iowa department of transportation. Florida bridge software institute fbpier, brufem, shaftspt and more. Bridge abutment calculations spreadsheet download link. Design, fatigue and permit vehicles can be analyzed. This abutment and wingwall design example is based on aashto lrfd bridge design specifications through 2002 interims. Want concrete bridge design software that does it all. Winseisab is an analysis tool that allows the bridge engineer to keep pace with developments in seismic design of bridges. Some of these spreadsheets allow the user to determine typical pier loads based on the aashto lrfd code for use with the rcpier software.
Results can be requested anywhere along the span, as well as at abutment and bent supports. Exchange project information including bridge geometry, materials, loads, prestressing strand pattern, and shear reinforcement. July 2016 lrfd bridge design 1 parapet abutments should only be considered where integral and semiintegral abutment criteria cannot be met. This appication assists with design of traditional concrete decks on prestressed or steel beams aashto lrfd 2. All new retaining walls shall be designed using 2002 aashto lfd 17 th edition standard specifications. The abutment may be a spread footing with optional key or multiple pile footing. Bridgelink applications include pgsuper, pgsplice, betoolbox, and xbrate. Pile reaction determination the moment of inertia of the pile is insignificant in this calculation. Structure conceptual plan the structure conceptual plan is part of the designbuild.
A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Technical supplement 14qabutment design for small bridges. A pile design example reflecting the procedures in the guideline is included in the appendix. Concrete box and prestressed concrete tubgirders see section 5. Aashto specifications either aashto load resistance factor design lrfd or. Aashto lrfd bridge design specifications, section 11. Withiam 5 deflect structurally away from the retained soil i. The software update request form is located on the orderingupdatingsection.
Standard iowa dot design and standard construction control with wave equation weap for ordinary projects on state, county, or city highways. Slight curvature can be allowed, but must be considered on a casebycase basis. Abutment is an intuitive program for bridge abutments design overturning, translation, bearing capacity. Some spreadsheets may be used in the lrfd design of typical pier caps, pile footings, and steel laminated elastomeric bearings. Obtain pile forces for regular and irregular pile groups for multiple load combinations in a single spreadsheet. Integral abutments are used to eliminate expansion joints at the end of a bridge. The basic principal of the 2004 report was that integral abutment bridges would be allowed only under certain criteria. References made to specific sections in the aashto lrfd and dm4 code will be prefaced with an a and d, respectively. The aashto guide specifications for lrfd seismic bridge design referred to as lrfd seismic guide spec was approved in july 2007. To analyze or design a bridge abutment or a wing wall or gravity wall in accordance with the aashto lrfd bridge design specifications and. Area changed to the number of piles, so the formula reduces to. Survey form i was responsible for developing training materials and was an instructor for the nhi course lrfd for highway bridge substructures. Bridge design bridge abutment design example to british. Therefore, the weak axis of the piles shall be aligned with the primary bending.
Abutment design spreadsheet can be used to obtain design forces for abutment or retaining wall. Since then, more information has been collected that would suggest that integral abutment bridges can be used in almost every case. In order to work through a design example the designer will need the aashto lrfd specifications to determine the factored load and several sections from the bridge design manual to determine resistance factors, resistances, and appropriate plan notes. The ease with which all of these tasks can be accomplished makes csibridge the most versatile and productive software program available on the market today. Chapter 15 structural design requirements for design build contracts page 154 wsdot bridge design manual m 2350. It also determines pile force for abutments supported on piles. Deck on beam design 070918 substructure applications.
Design the fixed and free end cantilever abutments to the 20m span deck shown to carry ha and 45 units of hb loading. Penndots lrfd abutment and retaining wall analysis and design program ablrfd has been revised to correct several issues reported since the release of ablrfd v1. Concrete bridge design, analysis software leap bridge. The program capabilities include the analysis procedures specified in the 1996 aashto standard specifications for highway bridges division ia seismic design. The example covers the abutment backwall, stem, and footing design, using pile loads from design. This spreadsheet does not handle all abutment design tasks by itself, but it is a very flexible tool to determine forces acting on the abutment.
Etpier is a highperformance windowsbased program for the design and analysis of highway bridge piers, bents, and abutments. Comprehensive design example for prestressed concrete psc girder superstructure bridge design step 7 design of substructure design step 7. Eriksson technologies bridge design software for aashto lrfd and standard specs. Example 11 castinplace concrete cantilever retaining wall 2 2020 resistance factors when not provided in the projectspecific geotechnical. Jul 03, 2014 design of bridges excel sheets free download category. These mathcad sheets may be used for various portions of aashto. Prestressed concrete girder design for bridge structure spreadsheet 4 january 2018 off moving wheel loads analysis. Etpier is the most advanced software for the design and analysis of precast. Design for critical moments and shear in free abutment. Support multiple design codes, including us aashto lrfd and lfd, canadian chbdc, and indian irc working stress and limit states design. Ctabut is an lrfd compliant seat type bridge abutment analysis and design program that runs in the windows operating system. Aashto bridge abutment design minimum vertical abutment steel aashto bridge abutment design minimum vertical abutment steel pevt civilenvironmental. Where no reference is given the information is a preferred common practice or corrections to computer program glitches.
Chapter 15 structural design requirements for designbuild. Implementation of the aashto lrfd bridge design specifications j. This website offers tips gained from the experience of developing reusable technical spreadsheets by practicing bridge engineers. Software for the design, analysis and load rating of pretensioned prestressed concrete bridge beams according to the aashto lrfd and standard specification lfd codes. Chapter 15 structural design requirements for designbuild contracts page 152 wsdot bridge design manual m 2350. Concrete bridge design and analysis software improve decision making for design and construction while connecting and enhancing your workflow. The tracks are intended to fit different design and construction practice in iowa as noted. My sketch does not show all of the reinforcement or any of the connection details to the superstructure. Etpier seamlessly combines the functionality of a stateoftheart structural analysis engine with concrete column, beam, and footing design capabilities.
Design of bridges excel sheets free download category. Design of bridges excel sheets free download iamcivilengineer. Posttensioned concrete spliced girder design, analysis, and load rating current. Aashto lrfd design of psc box girder bridge by astra pro 20190329 a box girder bridge is a bridge in which the main beams comprise girders in the shape of a hollow box. In the meyerhof 1957 method, the bearing capacity formula takes the following form. All applicable loads that apply to the abutment and wingwall are either taken from design software or calculated herein. Lrfd compared with asd lrfd is supposed to be a more rational method imposing. Reinforced concrete walls are designed to bs 5400 part 4 clause 5. Evaluate existing test hole data not much before 1940.
Aashto lrfd bridge design specifications 8th edition. The design methods presented throughout the example are meant to be the most widely used in general bridge engineering practice. Etpier highway bridge piers, bents, and abutments design. Specifications, with the assumption that the specifications and software for these structures are mature at this time. Comprehensive design example for prestressed concrete psc. Throughout this guideline, the term lrfd, when followed by a section or table number, is used as a reference to. Design step 7 design of substructure prestressed concrete bridge design example task order dtfh6102t63032 72 one group of states design the piles of an integral abutment to resist only gravity loads applied to the abutment.
Modeling, analysis and design of bridge structures have been integrated into csibridge to create the ultimate in computerized engineering tools. The layout of the bridge design manual follows the general steps involved in the bridge. This page introduces the bridge design manual lrfd, which provides design methodology for bridges that considers load and resistance factors based on the known variability of applied loads and material properties. Indiana design manual idm and aashto lrfd bridge design specifications lrfd references have been added for convenience to identify how the software affects design requirements. In this document the us has been subdivided into four seismic design categories a, b, c, and d. Lrfd analysis and rating accepted software vendor consultant accepted aashtoware bridge design and rating, v6. Lrfd steel girder superstructure design example lrfd. All new culverts and other standard structures on which states initiate preliminary engineering after october 1, 2010, shall be designed by lrfd load and resistance factor design specifications, with the assumption that the specifications and software for these structures are mature at this time. Design and analyze superstructures and substructures use a. Spreadsheet design of mechanically stabilized earth walls. Civil engineering to provide a passage over an obstacle like a water body, a valley, canal or a road structure is built across that obstacle to span a space and allow the easy movement of the concerned bodies over those obstacles, such a structure is named as bridge. Structures design office programs library files and links fdot. Structures design office programs library files and links. The structures design office only supports those persons using this software in connection with florida dot related business.
Bridge abutment design doug parmerlee, pe department manager, bridge design, michigan. In addition, it will provide minimum design standards for structures in west virginia and provide interpretation and consistency in the application of the aashto specifications. May 30, 2019 bridge abutment calculations spreadsheet download link. Geotechnical and structural design of abutment supports shall be in accordance aashto lrfd. The state of california is mostly designated as seismic design category d, or sdc d for short. Winabud designs or checks a reinforced concrete abutment using the 1996 aashto with interims and revisions by caltrans. Any other use is at the sole discretion of the user. The design is intended to be cantilever abutment wall on a spread footing.
Aashto bridge abutment design minimum vertical abutment. Eriksson technologies bridge design software for aashto lrfd and standard specs expansion joint spacing design dynasoft free. Assemble load combinations from individual load cases in a flexible and efficient manner. Structures design and analysis programs new york state.
For now, although it may feel like a stretch, please assume these will be addressed adequately. Before each course we surveyed the host agency to learn about their implementation of the aashto lrfd. Model generation is included in winseisab to eliminate user specification of the numerous nodal points required to model the dynamic characteristics of a bridge subjected to earthquake. Aashto lrfd bridge design specifications 8th edition details view all editions these specifications are intended for the design, evaluation, and rehabilitation of both fixed and movable highway bridges. Technical supplement 14q abutment design for small bridges ts14q4 210vineh, august 2007 and in the aashto standard specification for highway bridges. The following zipped files contain mathcad version14 worksheets that analyze and design castinplace abutments and wing walls in accordance with the aashto lrfd specifications 2007 with 2008 interim revisions. A parapet abutment supported by a pile foundation can be used behind a mechanically stabilized earth mse retaining wall where high abutments. Winseisab analyzes bridge structures to determine the seismic demand placed on various bridge components. There are eleven design examples, which are arranged in three tracks as listed in the table below. Florida dot many design programs and mathcad sheets free. Bridge design manual wv department of transportation. This software and other files are intended for use by consultants working for the bridges and. Lrfd seismic bridge design, california example mark s. Mahan1 abstract the newly approved aashto guide specification for lrfd seismic bridge design referred to as lrfd seismic guide spec, july 2007, is greatly influenced by.
Lrfd bridge design software vbridge program features viathor. Chapter 12 abutments wisconsin department of transportation. Key program algorithms a sample of vbridges key algorithms. This section provides a brief description of each type of abutment support. It is not intended to replace the aashto lrfd bridge design specifications or any other design guide or regulatory code. Software for the integrated design and analysis of substructure elements according to the aashto lrfd and standard specification lfd codes. Etpier highway bridge piers, bents, and abutments design and. Lrfd bridge design software vbridge program features. Ablrfd update fee details penndot engineering programs. Design step 7 design of substructure prestressed concrete. Concrete bridge design, analysis software leap bridge concrete. Leap bridge concrete is design and analysis software for concrete bridges of all types. Analyzes and designs fixed or pinned bent caps, including lateral loads, in accordance with the aashto lrfd bridge design specifications. The bridge site is located south east of oxford to establish the range of shade air temperatures.