Additionally, a comparison between the strutandtie method and standard sectional design practices will be performed for a typical hammerhead. Pdf comparative analysis of castinplace posttensioned. Analysis of bridge hammerhead pier 1 modeling of pier footing. For common bridges with standard detailing of bridge piers and the same design compressive strength of the column and the footing. This suite handles input and will completely analyze and design a reinforced concrete, multiple column, rigid frame bridge pier of up to six columns, or a singlecolumn, hammerhead bridge. Bridge design, steel girder, load and resistance factor this report is available to the public from the design, lrfd, concrete deck, bolted field splice, national technical information service in hammerhead pier, cantilever abutment. Consplice, rcpier, andor geomath to leap bridge concrete now. Vbent software vbent is a powerful software tool created specifically to assist the bridge engineer in simplifying the pier design process.
Ence 717 bridge engineering university of maryland. C pierrun pier analysis program is a control program for a software suite that also provides data to three other subprograms. Concrete bridge design, analysis software leap bridge. Vbents capabilities include integral or nonintegral pier types the industrys first.
Chapter 3 discussion of proposed lrfd bridge design pier. Analysis and design of hammerhead bridge pier using a. Pier design software for engineers from viathor vbent. Piers are designed to resist the vertical loads from the superstructure, as well as the horizontal superstructure loads not resisted by the abutments.
This allows you to use drilled castinplace concrete piers spaced in a single row along the length of the wall. This comprehensive bridge application offers a synthesis of geo. In all cases, the appropriate multiple presence factor is applied. I am using leaps rc pierla program for the solid pier design, but it. Fbmultipier is a nonlinear finite element analysis program capable of analyzing multiple bridge pier structures interconnected by bridge spans.
This pier design example is based on aashto lrfd bridge design. Want concrete bridge design software that does it all. Mndot fracture critical system analysis for steel bridges june 2016 6. The primary intent of this example is to illustrate the use of rcpier, not to show every aspect of a pier design. Analysis and design of reinforced concrete abutments, piers, and foundations. Design criteria for piers 1979, design criteria for piers metric version 1996, and the previous bridge design manual piers section based on the aashto standard specifications. Which is the best bridge design software for a beginner and which one is. This tutorial teach you to analyse a hammerhead pier commonly encountered in the design of bridge structures.
Leap rcpier allows users to design multicolumn and hammerhead piers, straight, tapered or variable caps. Leap bridge concrete is design and analysis software for concrete bridges of all types. Bridge pier analysis system brass pierlrfd version 2. So if you have a lateral load with eccentricity or a cantilever sign foundation, among others, drilled pier bored pile software will compute the torsional moment capacities. Analysis of bridge hammerhead pier 1 modeling of pier. By incorporating both lfd and lrfd specifications in one interface, leap rcpier makes the transition to lrfd simple and efficient. Lrfd bridge design specifications developed by aashto provide values for. In addition, since many states customize their approach to pier. Leap rcpier is an integrated tool for the aashto standard and lrfd analysis and design of reinforced concrete bridge substructures and foundations.
The column is 60 x 300 at the bottom of cap, and tapers transversely at 1. Concrete strength, concrete density, reinforcing steel strength, superstructure information, span information, required pier height select optimum pier type design step 8. Based on the design studies, a welldefined procedure for designing a hammerhead pier utilizing the strutandtie model was established that may be used by bridge engineers. A comprehensive study using 20 models derived from the pierpile design example presented by fhwa is developed for the finite element analysis using computer software. Bridge design and aashtoware bridge rating are fullylinked. The reaction from that lane is moved across the width. Lrfd design example for steel girder superstructure bridge. Proposed lrfd bridge design pier protec tion specifications provides preliminary proposed guidelines for bridge pier protection for consideration in a future edi tion of.
It augments the existing aashto standard specifications for bridge lfd design module in use within the department by using leap conspan and leap rcpier for lrfd design of both super and substructure components. Analysis of bridge hammerhead pier 2 modeling of pier. The best center university of maryland december 2008 function of abutments abutments are used at the ends of bridges to retain the embankment and carry the vertical and horizontal forces from the superstructure. To illustrate, consider a solid shaft hammer head pier, figure 2. The control system cs software is a new component in the automated bridge design and drafting process at wisconsin dot. They could be designed as piers or retaining walls and they should. This software is a tool for the design or analysis of structures. The aashtoware bridge design analytical software allows users to perform bridge design using a stateoftheart tool for superstructure and substructure design. In further examples for the design of structural concrete with strutandtie models 273 sp ed. The series replaces three previous bridges and structures bureaudocuments. The analysis that served as the basis for this design example was performed using the aashto opis software.
Hammerhead piers with a rectangular cross section should be considered on higher structures. A sample of features and algorithms within vbent that assist the bridge engineer with simplifying the design process include. Etpier highway bridge piers, bents, and abutments design and. Each pier structure is composed of pier columns and a cap. Solid shaft piers, usually referred to as hammerhead piers, have a single solid concrete cross section that supports the cap. For this design example, a single column hammerhead pier was chosen. Hammerhead piers are typically used where column lengths on. Design step 7 design of substructure prestressed concrete bridge design example task order dtfh6102t63032 739 supported on the girders. Bridge pier design programs structural engineering. Models the entire pierbent frame cap, column, footings. Integralmonolithic bents where the bent is monolithic with the superstructure further complicate the pier design due to the longitudinal moment interaction at the top of the bent.
Shrinkage, stress concentration or some erection condition may be a few of them. Drilled pier bored pile software soilstructure software. In order to accurately distribute forces throughout the pier, this interaction must be accounted for. It augments the existing aashto standard specifications for bridge lfd design module in use within the department by using leap conspan and leap rc pier for lrfd design of both super and substructure components. New york state department of transportation coordinates operation of transportation facilities and services including highway, bridges, railroad, mass transit, port, waterway and. Lrfd steel girder superstructure design example pier design example design step 8. Etpier is a highperformance windowsbased program for the design and analysis of highway bridge piers, bents, and abutments. A summary of the steel hpile design values used for the staad program are as. Bridge pier design programs johnce920 structural op 18 sep 17 16. G values recommended by aashto for the pier footing on multiple rows of endbearing piles case. Mndot fracture critical system analysis for steel bridges. Pro is more of a general purpose fea package using which you can model pretty much anything under the sun but we do have great bridge design solutions like leap bridge concrete which are specifically geared towards bridge analysisdesign and which can design bridges and each of its components including piers and caps. Aashto specifications either aashto load resistance factor design lrfd or the standard specifications for highway bridges lfd can be selected for analysis. The full structure can be subject to a full array of aashto load types in a static analysis or time varying load functions in a dynamic analysis.
There could be numerous reasons for the crack to develop. A hammerhead pier cap typically bears on a single column with several of the main bridge. Olan is a free software for the design, drawing and viewing of aerobatic sequences. This white paper outlines how the combined solutions enable you to. Abdul kadir bin ahyat a project report submitted in partial fulfillment of the requirements for the award of the degree of master of engineering civil structure faculty of civil engineering universiti teknologi malaysia. The iowa dot bridge design manual shall be consulted for the most. The pier has a single column, with a hammerhead cap. Aashtoware bridge features several modules that will help you manage every aspect of bridge construction and management. Etpier seamlessly combines the functionality of a stateoftheart structural analysis engine with concrete column, beam, and footing design capabilities.
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