Creep (related software)

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Creep
Overview
Related Software
  • LARSA - Finite-element-based analysis and design software for structural and earthquake engineering.
  • LUSAS Civil & Structural - Structural engineering analysis software with comprehensive facilities for all types of civil and structural analysis including linear, nonlinear, staged construction, creep, prestress, post tensioning, seismic, blast, buckling, impact, fire and fatigue analysis.

    LUSAS Civil & Structural software is used on all types of structures from buildings, grandstands and towers through to dams, docks and tunnels.

    Software in available in 3 software levels with software options available to extend analysis capabilities to allow Vehicle Load Optimisation, Fast Multifrontal Solvers, Interactive Modal Dynamic Analysis, Nonlinear Analysis, Dynamic Analysis, Thermal / Field Analysis, Heat of Hydration Analysis, Rail Track Analysis.
  • SAP2000 - Integrated software for structural analysis and design.
  • SEGAN - Legacy software from 1978 for the analysis of curved segmentally erected prestressed concrete box girder bridges, including time dependent effects, so that deflections and stresses can be computed at any stage during the construction or service life of the bridge. Source code in FORTRAN and related reports can be downloaded from the earthquake engineering online archive maintained by University of California Berkeley.

    SEGAN: Analysis of Curved Segmentally Erected Prestressed Concrete Box Girder Bridges

    Van Zyl, Stefanus F.

    Department of Civil Engineering, University of California, Berkeley, 1978,

    This program permits the analysis of curved segmentally erected prestressed concrete box girder bridges, including time dependent effects, so that deflections and stresses can be computed at any stage during the construction or service life of the bridge. The segments can be either precast or cast in place. The bridge cross section must consist of a single box section with vertical or inclined webs and have cantilever flanges. Width and depth dimensions can vary along the bridge span. Time-dependent material changes, such as creep and shrinkage of concrete, as well as environmental effects such as humidity and temperature changes, are accounted for. However, other concrete material nonlinearities such as cracking or inelastic behavior and geometric nonlinearities are not included in the analysis. Prestressing in the longitudinal direction can be included in the analysis. Tendons can be located in either the webs or flanges and can have a linear or parabolic profile. Stressing and release operations, slip in of tendons, and restressing and removal of tendons are included. A procedure is included for specifying the structural configuration and the erection sequence. Operations used in segmental construction, such as addition of segments, prestressing, changing of support boundary conditions, application or removal of construction loads, and prescribed displacements can be analysed. At each construction stage, the current structure is analyzed and the incremental and total displacements, stresses, and strains are obtained. The complete structure can also be analyzed for a variety of live loads and time steps.
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