Adapt-ABI

3 06 2009

[Overview]

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ADAPT-ABI/BRIDGE DESIGN

<!– Promo Limited Time Offer!
Through June 30, 2005, ADAPT is offering promotional pricing on ADAPT-ABI
– Purchase ADAPT-ABI Basic (Standard Edition) with Gen module for only $4,900.

ADAPT-ABI is a powerful program for the analysis and design of segmentally constructed bridges.

–>Product Overview
ADAPT-ABI 2009 is a special-purpose program developed for the design and analysis of prestressed concrete bridges built either segmentally or conventionally. It provides information for geometry and stress control during construction, as well as design values for service load. ADAPT-ABI has been serving bridge design engineers worldwide for over fifteen years, and has provided the foundation for analysis of many notable bridges

Product Details
ADAPT-ABI is a general finite element program which performs time-dependent analysis of concrete bridges and frames during and after the construction phase. ABI can investigate the effect of newly placed concrete, creep, shrinkage, and relaxation in prestressing over time, aging of concrete, and variation in temperature. Its excellent graphical interface can display moments, shears, stresses, and deformations for various stages of construction. The software can handle nonprestressed concrete, precast, cast-in-place, pre-tensioned or post-tensioned frames. The software is intended for incrementally constructed bridges and frames; retrofit of concrete frames where new concrete is added, new members are added or existing members are modified; and demolition (reverse construction) of frames. Other applications include composite construction and cable-stay structures. The basic module of the software (ADAPT-ABI Basic) is self-contained and complete. Other modules enhance the capabilities of the basic program.

These are:
ADAPT-Gen Module
ADAPT-Gen enables the user to (i) break the structure into spans and columns; (ii) display and tabulate the solution in a span-and-column format; (iii) include automatic pattern loading; and (iv) combine different loading conditions and compile envelopes of load cases. Other features are directed toward making the software an effective production tool.

ADAPT-Moving Load Module
The moving load module is developed primarily for bridge construction. Using the software’s library of the most common truck or train loads, or a user-defined library, the program automatically moves the loading along a user-defined path and generates an envelope of sectional actions for combination with other loading. The moving load module of ABI is general and comprehensive. It is designed to cover all foreseeable conditions in bridge design.

Versatile Moving Load Generator

  • Virtually any arrangement of moving loads
  • Multiple travel paths, continuous or interrupted
  • Multiple lanes
  • Pre-defined moving load libraries
    • AASHTO library
    • BS 5400
    • European code and other libraries
    • Locomotives
    • Trains
    • Exceptional wagons
    • Permit loads
  • User defined load library
  • Each load can have its own distribution and impact factor
  • Ability to disregard unfavorable contribution of wheel loads
  • Envelope of maximum moment with associated shear
  • Combination of moving load with self-weight, superimposed dead load and other load
  • Influence lines for deflection, moment, shear and axial loading
  • Comprehensive and clear manual

ADAPT- Elongation Module (includes friction and stress loss)
At the completion of an ADAPT-ABI computer run, and without any additional input data, this module calculates the elongation of each of the tendons at stressing and the associated stress losses. The stress losses include the effects of friction and the time-dependent parameters of creep, shrinkage, and relaxation in prestressing.

[Features]

ADAPT-ABI Features V 5.0

ADAPT-ABI capabilities can be enhanced with the following modules:

  • ADAPT-Gen
  • ADAPT-Moving Load
  • ADAPT-Elongation

Complete analysis of the construction phase and in-service performance, including safety checks for:

  • Balanced cantilever bridges (Cast-in-place or Precast)
  • Incrementally launched bridges
  • Span-by-span bridges
  • Cable-stayed bridges
  • Precast-prestressed girder bridges with field splicing and topping slab
  • Box girder bridges
  • Bridge rehabilitation with external post-tensioning
  • Full analysis, from casting date to 30 years and longer in-service, including moving load generation, code combinations, enveloping, construction loads, creep, shrinkage, relaxation of the prestressing steel, aging of the concrete, and temperature effects

[Requirement]

Minimal System Requirement

  • PC compatible computer
  • Windows operating system
  • Minimum of 128 MB RAM
  • 10 GB hard drive

[Gallery]

สาธิตการใช้โปรแกรม ADAPT ABI 2009 แบบออนไลน์

ADAPT – ABI Screen Shots

ADAPT-ABI is the versatile, easy-to-use and proven tool for the analysis and design of segmentally constructed bridges and frames. Thousands of notable bridges worldwide have been designed using ABI. Consultants concerned about geometry control during and after construction choose ADAPT-ABI for its advanced segmental construction options including the ability to accurately model construction sequencing and time-dependent effects of creep, shrinkage, aging of concrete and relaxation in prestressing. Its flexible moving load generator simplifies the process of defining applied load conditions.

Image 1. Typical Spliced Girder Bridge Designed Using ABI
With ADAPT-ABI you can easily model spliced girders in precast prestressed bridges with or without integral abutments from the moment the girder is in the casting yard until its completion.

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Image 2. Model of Segmentally Constructed Spliced Girder
With ADAPT-ABI you can quickly and accurately model your bridge model. In this segmentally constructed spliced girder, the pre-tensioning tendons terminate at the face of the splice. The post-tensioning tendons added subsequent to the casting of the splice provide the continuity and added strength. Stresses at any location are readily checked with the click of a mouse.

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Image 3. Model of Concrete Arch Bridge Under Construction
In this arch bridge project, an ADAPT-ABI model of the temporary towers, stays and form travelers is used to keep stresses within allowable limits at every stage of the construction sequence.

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Image 4. Model of Non-Symmetrical Cable Stayed Bridge
This non-symmetrical cable stayed bridge is made up of a composite deck. ADAPT-ABI simulates the construction phase for control of the deck geometry and forces in the stays. The diagram shows the isolated compression in the girders.

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Image 5. Model of Balanced Cantilever Bridge
This ADAPT-ABI model simulates the construction phasing of a balanced cantilever bridge. The model incorporates all relevant details of the bridge, including prestressing, construction equipment and loads. The user can easily check actions in the bridge, such as the moments shown, at every construction stage and during the bridge’s service life.

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Image 6. Moment Envelope from Moving Loads
ADAPT-ABI can determine the envelope of design moments and shears due code specified moving loads, such as AASHTO, or any user defined load train. The model above shows the moment envelope in a two span post-tensioned box girder bridge.

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