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RAM | STAAD | ADINA Wiki RAM SS V14.03 Release Notes
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    RAM SS V14.03 Release Notes

    Release Date: October 6, 2010

    This document contains important information regarding changes to the RAM Structural System. It is important that all users are aware of these changes. Please distribute these release notes and make them available to all users of the RAM Structural System.

    RAM Structural System V8i is part of the Bentley Systems V8i family of products. It is part of a coordinated release of the entire suite of Bentley programs. Its intent is to create a common identity between all of the Bentley programs, indicating the growing integration between these programs. V8i is not a reference to a version number; this is Release 14.03, or Version 14.03, of the RAM Structural System.

    Tutorial

    The Tutorial Manual has not been updated but is still valid. The appearance of some parts of the program in this version may differ from that shown in the Tutorial.

    Important Notices

    Version 14.03 automatically converts databases created in previous versions to the new database format. Note that a backup file is created automatically when a database is converted; the name of the database is the same, with “Orig” and the version number appended to the name. The file has an extension of “.zip” and is located in the same directory as the original database.

    Version 14.03 may give slightly different results than V14.02.

    The previous steel tables and load combination templates supplied with the program will be replaced with new tables and templates of the same name. If you have customized any Master or Design tables or load combination templates supplied with the program without changing the file names, those file names should be renamed from the original RAM table names prior to installation to prevent your changes from being lost.

    Installation Instructions

    This version can only be installed by downloading the installation file from the Bentley SELECT web site. It can be found on the Bentley SELECT Services Downloads and Updates web page at:
    http://selectservices.bentley.com/en-US/Support/Downloads+And+Updates/
    Select “Search Downloads” and log in using your User Name and Password. Perform a Search by searching for the “RAM Products”, and select the latest version of the RAM Structural System.

    Installation Directories

    If a previous version of the RAM Structural System was installed on a computer with the Windows 7 or Windows Vista operating system some components of the program may have been installed in directories that were not ideal for those systems. In particular, they may have been installed in directories that required Administrator privileges in order to write to those files. Issues could also arise on XP or older operating systems if strict user policies have been set. As a result, the default directories used in the latest installation program have been revised to use locations as recommended by Microsoft for each operating system. It is recommended that the directories that can contain writable files be moved, if necessary, as explained below.

    The RAMIS.INI File

    The ramis.ini file contains all of the user-specified program defaults, including the directory paths for all of the program and data files. That file was previously located in the C:\Windows directory. If it is there, it should be moved to the following location, based on the operating system:

    Windows 7 and Windows Vista: C:\ProgramData\Bentley\Engineering\RAM Structural System

    XP: C:\Documents and Settings\All Users\Application Data\Bentley\Engineering\RAM Structural System

    Default Directories

    The current location of the directories can be seen by opening the ramis.ini file in Notepad.exe. The [Directories] section of that file shows the location of the directories used by the RAM Structural System. The figure below shows an example of the [Directories] section of a ramins.ini file. The directories shown highlighted in yellow in that figure contain (or potentially contain) writeable files. That is, the data, tutorial, dxf, reports, cimsteel, tables and working directories are used to store files that may be written to by the program. If any of those directories are located under C:\Program Files, C:\Program Files (x86) or any other directory that restricts writable access to files for standard users, it is recommended that the files be relocated. Note that the program and manuals directories can remain located under write-restricted locations because they do not contain writable files.

    To relocate the files manually, do the following:

    1. Determine the proper location for the directories.
      The directories that are shown highlighted in the figure above are based on the new default locations for the directories for Windows 7 and Windows Vista. For these and the other operating systems, the default root directory for these directories is the same as the location of the ramis.ini file listed above. So the default locations for each of the directories for each of the operating systems are:

      Windows 7 and Windows Vista:
      data = C:\ProgramData\Bentley\Engineering\RAM Structural System\data
      tutorial = C:\ProgramData\Bentley\Engineering\RAM Structural System\data\tutorial
      dxf = C:\ProgramData\Bentley\Engineering\RAM Structural System\DXF
      reports = C:\ProgramData\Bentley\Engineering\RAM Structural System\Reports
      cimsteel = C:\ProgramData\Bentley\Engineering\RAM Structural System\cimsteel
      tables = C:\ProgramData\Bentley\Engineering\RAM Structural System\Tables
      working = C:\ProgramData\Bentley\Engineering\RAM Structural System\data\working

      Windows XP:
      data = C:\Documents and Settings\All Users\Application Data\Bentley\Engineering\RAM Structural System\data
      tutorial = C:\Documents and Settings\All Users\Application Data\Bentley\Engineering\RAM Structural System\data\tutorial
      dxf = C:\Documents and Settings\All Users\Application Data\Bentley\Engineering\RAM Structural System\ DXF
      reports = C:\Documents and Settings\All Users\Application Data\Bentley\Engineering\RAM Structural System\ Reports
      cimsteel = C:\Documents and Settings\All Users\Application Data\Bentley\Engineering\RAM Structural System\ cimsteel
      tables = C:\Documents and Settings\All Users\Application Data\Bentley\Engineering\RAM Structural System\ Tables
      working = C:\Documents and Settings\All Users\Application Data\Bentley\Engineering\RAM Structural System\data\working

      Note that it is not mandatory that the directories be located in these locations; these are merely the default locations used by the installation program. They can be located anywhere on the computer or on a network that permits write access to all users.

      We do, however, strongly recommend that the working directory remain on the local computer, not over the network on a server.

    2. Create the new directories.
    3. Copy the files from the old directories to the new directories.
    4. Delete the old directories.
    5. Edit the RAMIS.INI file to point to the new directory locations.

    The root directory entry in the ramis.ini file is no longer used and can be deleted.

    Note that extreme care must be exercised in performing these steps in order to avoid loss of data files or program functionality. It may be advisable to backup any data files before proceeding with these steps.

    Also note that Steps 2 and 5 (and most of Step 3) can be accomplished by re-running the Installation program and specifying the directories there. Then the data files (in the Data directory) and only any user-customized tables (in the Tables directory) would need to be copied over as part of Step 3, since the standard tables will have been installed in the new Tables directory location.

    A final note, if you are not experiencing any problems associated with restricted write privileges with the current installation, you may choose not to make these changes.

    Structural Dashboard V8i

    The Structural Dashboard is a free program from Bentley Systems, Inc. that assists in managing the data and workflow of projects from start to finish. The Structural Dashboard provides a single interface to utilize Bentley's integrated products for a complete project workflow.

    • Manage workflows for common project type (including building workflows and plant workflows)
    • Use a unified interface to launch all your Structural applications
    • Create customized workflows specific to your projects
    • Receive Structural News from customizable RSS feeds
    • Join Structural online community and access blogs, wikis and forums
    • Download product upgrades from Bentley's SELECTservices Center
    • Manage project files and links within your workflow
    • Consolidate common project information and dynamic links to project documents

    The Structural Dashboard can be automatically launched when the RAM Structural System is invoked, or it can be launched from within the RAM Structural System using the File – Structural Dashboard command or by clicking on the Bentley logo icon on the left of the RAM Manager screen.

    The autolaunch feature can be set or disabled within the Structural Dashboard itself. To disable the autolaunch, select the Edit Settings command at the lower right of the window and deselect the option to “Automatically start with Structural applications” on the General tab. 

    For more information on the Structural Dashboard, go to:
    http://communities.bentley.com/products/structural/structural_analysis___design/w/Structural_Analysis_and_Design__Wiki/structural-integration.aspx

    To download the Structural Dashboard, go to:
    http://www.bentley.com/en-US/Promo/ISM/downloads.htm#dashboard


    New Features and Enhancements

    For details on these new features and enhancements, refer to the manual .pdf files available from the Help menu in each module or from the Manuals folder on your hard drive.

    CMC Smartbeam Update

    • Smartbeam design has been updated to conform to the requirements of AISC 360-05.
    • The View/Update command has been enhanced to optimize the opening diameter and range of spacing (for Cellular beams) or dt and range of e (for Castellated beams) rather than requiring the user to specify those values when selecting a specific size.
    • Graphics have been added to the View/Update to show the actual opening configuration.
    • The Freeze Design command now works for Smartbeams.
    • Infills can be specified.

    Note: it is recommended by CMC, the producers of Smartbeams, that the criteria for Increment of e (for Castellated beams) and Increment of Do and S (for Cellular beams) be modified to use 0.25” rather than 0.125”. The default for dt should remain as 0.125”. For existing models these criteria can be specified in the Criteria – Smartbeams command in the RAM Steel Beam module. For new models the defaults can be changed using the RAM Defaults Utility in the Tools menu in the RAM Manager (or during installation). This will enhance the performance (speed) of the program.

    Shear Wall Coupling Beam Design

    • Shear Wall coupling beams can be designated and designed in the RAM Concrete Shear Wall module. Reinforcement can be optimized or modified, specified and analyzed.

    Partition Loads as Unreducible Live Loads

    • In the definition of the floor loads, Partition Loads can now be explicitly specified, separate from the other Live Loads. Such loads are treated as unreducible Live Loads even if the rest of the Live Load is reducible.

    Note that some Codes may explicitly require that Partition Loads be treated as unreducible. Furthermore, for designs based on the IBC it is commonly interpreted that way; however a clarification from the International Code Council  regarding the IBC indicates that the Partition Load can be reduced when the Live Load is reducible:

    Q1: Section 1607.5 explicitly defines Partition Loads as Live Loads. Section 1607.9 defines the Live Load Reduction rules, with reference to loads listed in Table 1607.1. Partition loads are not listed in Table 1607.1. Must Partition Live Loads be treated as Unreduced Live Load in all cases, or can they simply be included with the other Live Loads and reduced according to the applicable Live Load Reduction rules for the Live Load assigned to that area?

    A1: The partition load, for partitions that are readily relocated, are considered a uniformly distributed live load and may be included with the uniformly distributed live load from Table 1607.1.
    The weight of any built-in partitions should be considered a dead load in accordance with the definition in Section 1602. Buildings where partitions are readily relocated must include a live load of 15 psf (0.74 kN/m2) if the uniform floor live load is 80 psf (3.83 kN/m2) or less. This partition allowance is included under live loads because of its variable nature.

    For further clarification the following exchange took place:

    Q: Your response “… and may be included with the uniformly distributed live load from Table 1607.1” seems to infer that they can be combined and reduced with those loads, but doesn’t clearly state that they can be reduced. Am I interpreting your response correctly, in that the partition loads can be combined with the distributed live load from Table 1607.1, and then reduced as allowed for that live load?
    A: Yes.

    Note the following disclaimer that accompanied these responses from ICC. Engineering judgment should be used, and the final resolution is at the discretion of the building official.

    This opinion is based on the information which you have provided.  We have made no independent effort to verify the accuracy of this information nor have we conducted a review beyond the scope of your question.  As this opinion is only advisory, the final decision is the responsibility of the designated authority charged with the administration and enforcement of this code.

    Thus based on this interpretation, under the IBC the Partition Loads can merely be included with the Live Load if desired and do not need to be specified separately. The user now has the option to have Partition Loads treated either way by the program, either reduced as part of the reducible Live Load (by including it with the Live Load) or as a distinct unreducible Live Load (by specifying it as a Partition load).

    Modeler

    • A Move Wall command (Layout – Walls – Move) has been implemented. After a wall has been modeled it can be shifted or rotated in plan or lengthened or shortened.
    • Align Columns and Align Walls commands have been implemented (Integrity – Align – Columns and Integrity – Align – Walls). These commands are useful when models have been imported into the RAM Structural System which have columns or walls that do not precisely align. Selecting a column or wall at a particular level produces a list of all columns, walls and grids at all levels in the vicinity (within a specified tolerance) of the coordinates of that selected member; the user can then specify that the corresponding columns and/or walls at all levels be moved to align vertically.
    • Options to view any layout type as a background reference level for other layout types have been implemented, using the Options – Reference Layout Types command. The Reference Layout type is displayed with dim colors behind the currently selected layout type and is useful for comparing two or more layouts. The elements of the Reference Layout Type can be specified as Snap Points using the Options – Set Snap Points command.
    • The Self-weight criteria specified in the RAM Manager are now displayed for reference in the PropTable – Loads commands.
    • There is now an option to show a tracking cursor as well as the snap cursor when in any command that uses Snap Points. This is invoked by selecting the Show cursor in snap mode option in the Options – User Interface command. The tracking cursor tracks the actual mouse movement while the snap cursor snaps to the nearest snap point. This option is now the default behavior but can be suppressed to only show the snap cursor.
    • The precision (number of decimal places) shown in the coordinates displayed in the Coordinates window on the status bar at the bottom right of the Modeler window can be specified using the Precision control in the Options – User Interface command.
    • An option to show concrete columns without fill has been implemented in the Options – User Interface command. This option is useful when the column fill is hiding something beneath.

    Eurocode EC 3 Steel and EC 4 Composite

    • The requirements of the Eurocode Pre-standard for steel and composite design have been replaced with the latest Eurocode requirements of EN 1993-1-1:2005 (including Corrigendum No. 1) and EN 1994-1-1:2004 (including corrigendum April 2009), including the UK National Annex.

    Chinese Code

    • The requirements of the Chinese concrete specification GB 50010 have been implemented. Note that some of the user interface and some of the reports are only available in Chinese.

    RAM Frame

    • The Criteria – Diaphragm command has been reorganized for clarity and enhanced to allow the user to specify the in-plane diaphragm rigidity (Rigid, Semi-rigid, etc.) independently of the out-of-plane stiffness. This now permits a diaphragm with a Two-way slab to be analyzed as a Rigid Diaphragm in the plane of the diaphragm, while meshing and analyzing the slab for the vertical loads.
    • The option in the Criteria - General command to use the Gravity Dead and Live Loads in the P-delta stiffness modification calculations (rather than using the Mass values) has been enhanced to use User-defined DL and LL values, if any, specified in the Loads – Gravity Loads command. Previously it used the calculated values for those P-delta modifications even if the user specified different Dead and Live Load values in that command.
    • The slab meshing algorithms have been improved to reduce meshing errors, and slab meshing error messages have been enhanced to better describe the location and/or cause of the error. A merge tolerance can be specified in Criteria – General which is used to merge close nodes.
    • Eccentricity values for User-defined Wind and Seismic load cases for semirigid diaphragms can now be specified as part of the User-defined load case definition.
    • Analysis Warnings are now given at the end of the Analysis process rather than during the Analysis process where they suspended the analysis.
    • The AISC 341-05 SMRF Panel Zone check has been enhanced. Previously the program did not reduce the demand on the panel zone in the SMRF panel zone check for the shear in the column. It now reduces the design shear by that amount. This is a correction to the example shown in first edition of the seismic manual. If a web plate (doubler) was required the calculated demand was higher than necessary and possibly conservative (thicker than necessary) web plate was designed. More economical web plates are now designed.

    RAM Concrete

    • Member Force Diagrams can now be viewed using the Process – Results – Member Forces command in Analysis mode.
    • A Vertical Reactions Summary Report is now available listing the total cumulative gravity loads at each level.
    • The slab meshing algorithms have been improved to reduce meshing errors, and slab meshing error messages have been enhanced to better describe the location and/or cause of the error.
    • When results are imported from RAM Concept, wall loads from walls in Concept are now applied as a uniform distribution to the supporting nodes rather than as a pair of reactions at the wall ends.

    UK Deck Table

    • The UK deck table, ramuk.dck, has been updated to include the new SMD TR80+ and SMD TR60+ profiles, produced by Structural Metal Decks Ltd. The old profiles, SMD TR80 and SMD TR60 are still listed in the table to maintain compatibility with existing models, but it is recommended that the new profiles be specified instead.

    Westok Cellular Beams

    • The View/Update dialog box for Westok Cellular Beams has been rearranged to fit better on the screen.

    3D Graphics

    • The graphics have been enhanced, with an option to ‘smooth’ the graphics. This is specified in the Other – 3D Viewer section of the RAM Defaults Utility in the RAM Manager’s Tools menu.
    • An option to set the default for showing decks or not has been added. This is specified in the Other – 3D Viewer section of the RAM Defaults Utility in the RAM Manager’s Tools menu.

    Menu Icons

    • Icons have been added to the menu items in Vista and Windows 7.

    Error Corrections

    Some program errors have been identified in V14.02.x and corrected for Version 14.03. Corrections made to graphics, reports, Modeler functions, program crashes, etc that were considered minor are not listed here. The noteworthy error corrections are listed here in order to notify you that they have been corrected or to assist you in determining the impact of those errors on previous designs. These errors were generally obscure and uncommon, affecting only a very small percentage of models, or had no impact on the results. The errors, when they occurred, were generally quite obvious. However, if there is any question, it may be advisable to reanalyze previous models to determine the impact, if any. In each case the error only occurred for the precise conditions indicated. Those errors that may have resulted in un-conservative designs are shown with an asterisk. We apologize for any inconvenience this may cause.

    Modeler

    ADD COLUMN: The Parallel/Perpendicular to X / Radial Grids options in Add Column were backwards for radial grids.
    Effect: When adding a column to a radial grid intersection, “Parallel to” performed the function of “Perpendicular to”, and vice versa.

    Framing Tables

    POINT LOADS ON WALLS*: User-specified gravity point loads applied direct to the wall end may not have been accounted for properly. In some cases they were applied twice, in other case they were not applied.
    Effect: Potentially incorrect wall loads.

    RAM Steel Beam

     DEFLECTION CRITERIA*: Deflection criteria other than the first "Default" criteria that were added using RAM Defaults Utility would not be assigned correctly to beams. They would be ignored and the Default criteria would be used. This error would not happen if the deflection criteria had been added or modified in the Steel Beam program before being assigned, it would only occur if the deflection criteria had previously been created using the RAM Defaults Utility.
    Effect: Beams may have been designed to the “Default” deflection criteria rather than the assigned criteria.

    CAMBER*: Cambering for composite Smartbeams and Westok Cellular beams were based on deflection values not amplified for shear effects. The deflection calculations were correct but the recommended camber was incorrect:
    Effect: Camber for composite Smartbeams and Westok Cellular beams may have been less than desired.

    RAM Steel Column

    THIN-WALLED HSS: Slender HSS sections were classified incorrectly when designing per AISC 360-05 resulting in incorrect moment capacities.
    Effect: Conservative moment capacity values where used in design for HSS sections.

    TAKE OFF REPORT: Improper listing of HSS shapes in Take Off report.
    Effect: HSS shapes were incorrectly listed under W shapes in the Take Off report.

    AISC 360-05 COLUMN SUMMARY HEADER: The column summary header for both AISC 360-05 LRFD and ASD displayed Pu, Mux, and Muy.
    Effect: Report error only. The AISC 360-05 ASD code displayed an incorrect header in the column summary report.

    COLUMN AXIAL DEAD LOAD*: If two or more columns framed down onto a column (as could only occur if one or more of those columns were sloping columns), the axial Dead Load in that supporting column did not include the self-weight of the sloping columns.
    Effect: The supporting column design did not include the column self-weight from the sloping column lines above. Note that the axial Dead Load from those sloping columns was correctly applied to the supporting column; only the self-weight was missing.

    SLOPING COLUMNS*: The eccentricity used in calculating the unbalanced moments may have been incorrect, it may have been based on an incorrect slope angle.
    Effect: Potentially incorrect unbalanced moments used in design. The amount of error will generally only have a minor impact, if any, on the column design.

    RAM Frame – Analysis

    NODAL LOADS ON PSEUDO-FLEXIBLE DIAPHRAGM*: When the diaphragm at a level was specified as Pseudo-Flexible, nodal loads on nodes that were located outside of the diaphragm were not included in the analysis even though they were on a frame.
    Effect: Loads on such nodes were not included in analysis.

    DISPLAYED FRAME STORY SHEARS*: The frame story shears displayed were incorrect if there were frame members were outside of a diaphragm; their shear was not included in the story shear values displayed.
    Effect: The reports and analysis results were correct. This error only affected the displayed values.

    DUPLICATE LINE AND POINT LOADS*: If a floor layout had both one-way and two-decks, user-specified line and point loads on Frame members supporting one-way deck were applied to those Frame members twice.
    Effect: Only for the condition indicated, user-specified line and point loads were applied to Frame members twice. This did not affect tributary loads, only user specified line and point loads.

    TRANSFER COLUMN LOADS *: Transfer column loads on two-way deck were not applied or incorrectly applied to the two-way deck.
    Effect: Member forces may have been incorrect in models with transfer columns supported by two-way deck. This error did not occur if the transfer column was supported by a girder or wall.

    DEAD LOAD ON FRAMES*: If a model had stack of walls sitting on a lateral beam which was supported by lateral columns then the lateral columns would have incorrect loads applied on them, the wall self-weight was incorrectly duplicated.
    Effect: The member forces may have been incorrect in such a case.

    SELF-WEIGHT AND MASS FOR SMARTBEAMS AND WESTOK BEAMS*: Self-weight and mass from Smartbeams and Westok Cellular beams were not included in gravity load values used in notional loads or in the diaphragm mass calculations.
    Effect: Analysis results for static load case (notional loads) and dynamic load case (Eigenvalue) did not include self-weight and mass contributed by Smartbeams and Westok beams.

    STUB CANTILEVER ON LATERAL COLUMN: If a Frame column had both a knee brace framing in along its height and a gravity stub cantilever framing in at the top, the stub cantilever moments were being applied to the column twice.
    Effect: Extra gravity moments applied to the Frame column for the condition indicated. The error did not occur if there was no knee brace or no stub cantilever, only if both occurred.

    RAM Frame – Steel Standard Provisions

    TEE CAPACITY PER AISC 360-05: The axial capacity of Tees in braces in compression was calculated incorrectly per AISC 360-05 ASD and LRFD. There was an error in the calculation of yo used in Eq (E4-7) and Eq (E4-8).
    Effect: Incorrect value for Fcr and, hence, Pn was calculated. The results were conservative.

    THIN-WALLED HSS: Slender HSS sections were classified incorrectly when designing per AISC 360-05 resulting in incorrect moment capacities.
    Effect: Conservative moment capacity values where used in design for HSS sections.

    RAM Concrete – Analysis

    TRANSFER POINT AND LINE LOADS*: Any user point or line loads applied to transfer walls sitting on two way decks were incorrectly applied (duplicated) in the analysis.
    Effect: The member forces may have been incorrect when walls were supported directly on the slab.

    TRANSFER POINT LOADS *: Any user point loads applied to transfer columns sitting on two way decks were not applied in the analysis.
    Effect: The member forces may have been incorrect when columns were supported directly on the slab.

    RAM Concrete – Beam

    BEAM DESIGN: The provided moment capacity for beam designs according to EN1992 (EC2), was reported as 0 in reports. The provided moment envelope did not appear in the V/U dialog.
    Effect: Report error only, the design was correct.

    BEAM DESIGN: Longitudinal reinforcement was not curtailed effectively along spans of beams designed to EN1992 (EC2).
    Effect: More reinforcement than necessary may have been called out.

    RAM Concrete – Shear Wall

    AUSTRALIA AS3600: When using the Australia design code (AS 3600), in View/Update and in the Section Cut Design Summary reports, the listed values for major axis shear capacity and the minor axis shear capacity were inverted.
    Effect: Report error only, the design was correct.

    AUSTRALIA AS3600*: When using the Australia design code (AS 3600), in the Section Cut Design Summary, the Minimum Horizontal Reinforcement Ratio limit was always shown as 0, even when walls were longer than 2500mm.
    Effect: The code requirement for minimum horizontal reinforcement for walls longer than 2500mm was not imposed.

    • RAM Structural System
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    • jeremyhoesly Created by Bentley Colleague jeremyhoesly
    • When: Mon, Oct 11 2010 5:15 PM
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    • When: Mon, Oct 11 2010 5:44 PM
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