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Rounding, step tapering, cranking, and other rebar set improvements

Last updated March 12, 2019 by Tekla User Assistance tekla.documentation@trimble.com

Software version: 
2019

Rounding, step tapering, cranking, and other rebar set improvements

Rounding, step tapering, cranking, and other rebar set improvements

Tekla Structures 2019 introduces many new settings and useful features related to rebar sets.

Rounding bar lengths in the model

Previously you could only round reinforcing barreinforcement that represents a steel bar used to reinforce a concrete structure

The steel bars are usually ribbed and they are used to increase the tensile strength of concrete.

lengths in report and drawing templates using the settings defined in the rebar_config.inp file.

Now you can round rebar set bar lengths in the model. The new rounding settings are available for the current modelmodel that is active in Tekla Structures

The current model can be a single-user model, a shared model or a working model.

in the Options dialog box , for entire rebar sets in the Rebar set properties , and for certain rebar set bars in the Rebar property modifier properties.

You can define separate settings for straight bars, first and last legs, and intermediate legs, and you can round bar lengths up, down, or to the nearest suitable number according to the rounding accuracy. There is also a separate setting for defining how the bar lengths are rounded up at splitterrebar set modifier that can be used to split the reinforcing bars in a rebar set and to create reinforcement splices

locations.

Report and drawing templates continue using the rounding settings in the rebar_config.inp file. If the rebar set bar lengths have already been rounded in the model, and the rounding settings in the model and in the rebar_config.inp file are in line, no additional rounding is done in templates.

Step tapering

You can now define whether rebar set bars are tapered at slanted part edges, for example, and how the tapering steps are created. There are new step tapering settings for the current model in the Options dialog box , for entire rebar sets in the Rebar set properties , and for certain rebar set bars in the Rebar property modifier properties.

You can define tapering step values separately for straight bars, first and last legs, and intermediate legs. Using the rebar set or property modifierrebar set modifier that can be used to locally change the properties of certain reinforcing bars in a rebar set

properties, you can also define the number of bars in the one tapering step.

Create rebar set modifiers using new contextual tab

You can now create rebar set modifiers for entire rebar sets, or for selected bar groups or bars. Use one of the three reinforcement selection switches to select the rebar set bars for which you want to create a modifierline or polyline that can be used to locally modify reinforcing bars in a rebar set

Rebar set modifiers can be rebar set property modifiers, end detail modifiers, or splitters. Also rebar set secondary guidelines behave like rebar set modifiers.

Polyline modifier may have corner chamfers. Each rebar set modifier only affects those rebar set reinforcing bars that its projection touches.

.

Then use the modifier commands on the new Rebar set contextual tab that appears at the right end of the ribbon. The contextual tab is only visible when you have rebar set bars selected.

The first button on the contextual tab is for defining how to place the modifier in the model and how many points to pick. In addition to the previous single point and multiple points picking modes, a new picking modeis now available for the selected rebar set bars. Click the Picking mode button to cycle through the three modes.

The Rebar set contextual tab also has commands for adding secondary guidelines and leg faces to rebar sets.

Splitter improvements

  • You can now define standard and custom lapping and cranking properties for rebar set bars using splitters. Use the new settings in the Rebar splitter properties in the property panecontrol element in Tekla Structures user interface in the form of a side pane window

    The property pane can be used to show and modify the properties of model objects.

    , for example Split type , Lapping type , and the entire Cranking section.

    The standard values of the lapping and cranking properties are read from the rebar_database.inp file in the environment, firm, and/or project folders.

  • The Bars to split setting is now Bars affected with the new additional 1/4 option.

  • The previous Lap type setting has been removed.

  • When you are adding a splitter or when you select a splitter, the lengths of the affected bars are now shown in the model.

  • If you want to create a splitter at a certain or rounded distance from a bar end, and the dimension shown is measured from the other bar end, hold down Shift when you place the splitter in the model to switch the measuring point to the other bar end.

Improvements in end detail modifiers

The following new settings are now available in the Rebar end detail modifier properties in the property pane:

  • Hook rotation : You can rotate bar end hooks out of the bar plane. For example:

  • Adjustment type : You can extend or shorten the bar length according to an end offsetpart property that is used to move the ends of a part, relative to the part’s reference line

    or a specified leg length.

  • The previous Threading section is now End preparations with some new settings.

  • The Custom properties section: Click the More button to access the user-defined attributes (UDAs) of the end detail modifiers.

New rebar display options on the ribbon

On the Concrete tab on the ribbon, there are now new commands for Rebar display options in the model:

  • Leg face visibility

    Click to show or hide the rebar set leg faces in the model.

    This is the same as setting the advanced option XS_REBARSET_SHOW_LEGFACES to TRUE or FALSE.

  • Rebar dimension visibility

    Click to show or hide the dimensions of a selected reinforcing bar, bar group, or rebar set in the model.

    This is the same as setting the advanced option XS_DISPLAY_DIMENSIONS_WHEN_SELECTING_REBARS to TRUE or FALSE.

  • Property modifier visibility

    Click to show or hide the rebar set property modifiers.

    This is the same as setting the advanced option XS_REBARSET_SHOW_PROPERTY_MODIFIERS to TRUE or FALSE.

  • End detail modifier visibility

    Click to show or hide the rebar set end detail modifiers.

    This is the same as setting the advanced option XS_REBARSET_SHOW_END_DETAIL_MODIFIERS to TRUE or FALSE.

  • Splitter visibility

    Click to show or hide the rebar set splitters.

    This is the same as setting the advanced option XS_REBARSET_SHOW_SPLITTERS to TRUE or FALSE.

  • Color rebar groups

    Click to use colors to indicate the bar groups within rebar sets instead of the rebar set classes.

    This is the same as setting the advanced option XS_REBARSET_COLOR_BARGROUPS to TRUE.

Improvements in modifying leg faces

When you modify rebar sets by dragging leg faces , the following new and improved methods are now available:

  • If you drag a leg faceplane that defines where the reinforcing bar legs are created in a rebar set

    Tekla Structures creates rebar set leg faces at the reinforced faces of concrete parts or pour objects, or according to the points picked when creating a rebar set.

    , the connected leg face planes remain intact.

  • If you hold down Alt and drag a leg face, the leg face size remains the same, but the connected leg face planes may change.

    This is what previously happened when you dragged a leg face.

  • If you hold down Shift and drag a leg face, the leg face is detached from the connected leg faces.

    This is what previously happened when you held down Alt and dragged a leg face.

  • If you hold down Ctrl and drag a leg face, a new parallel leg face is created.

Other improvements

  • When you create crossing rebar set bars, you can modify the distribution length of the bars by adjusting the length of the rebar set guidelinedefinition of the distribution and direction of the reinforcing bars in rebar sets

    The spacing of the reinforcing bars is measured along the rebar set guideline. The rebar set guideline can be a line, or a polyline that may have corner chamfers.

    before the bars are added to the model. When the Rebar set > Create crossing rebars command is running, click the new button on the contextual toolbarfloating toolbar that contains commands for modifying the most common object properties

    The user can customize the contextual toolbar.

    The term mini toolbar is used in Tekla Structures until version 21.1.

    and then shorten or lengthen the guidelinedefinition of the distribution and direction of the reinforcing bars in rebar sets

    The spacing of the reinforcing bars is measured along the rebar set guideline. The rebar set guideline can be a line, or a polyline that may have corner chamfers.

    by dragging its end handles.

  • You can now work with rebar set modifiers, splitters, guidelines, and leg faces also using the Select rebar groups selection switchswitch used for controlling which object types can be selected

    or the Select single rebars selection switch. Previously this was only possible using the Select rebar sets switch.

  • All rebar set modifiers including splitters have the following new settings:

    • Bars affected for defining how many bars can be modified in the same location.

      This is similar to the Bars to split setting that the splitters previously had, with the new additional 1/4 option.

    • First affected bar for defining which is the first bar to be modified, starting from the first end of the modifier.

  • An arrowhead symbolclose to the midpoint of each rebar set modifierline or polyline that can be used to locally modify reinforcing bars in a rebar set

    Rebar set modifiers can be rebar set property modifiers, end detail modifiers, or splitters. Also rebar set secondary guidelines behave like rebar set modifiers.

    Polyline modifier may have corner chamfers. Each rebar set modifier only affects those rebar set reinforcing bars that its projection touches.

    now indicates the direction of the modifier, and the left and right sides of a splitter, for example. The arrow points from the start towards the end of the modifier.

    The primary and secondary guidelines of rebar sets also have the direction arrow.

  • When you select a single rebar set bar or bar group, the modifiers and splitters that affect the selected bars are shown in the model. Also, the other bars that are not selected in the rebar set are shown as semi-transparent.

    When you select a modifier or splitter, the rebar set bars that are affected by this modifier or splitter are indicated in the model. The other, unaffected bars are shown as semi-transparent.

    With the renderingprocess of making the model object faces visible

    The rendered model object faces can be transparent or non-transparent

    option Show only selected part (Ctrl+5) , the affected bars are made visible when you select a modifier or splitter.

  • The rebar set modifiers are now shown more clearly in the model, using thicker and solid lines on top of other objects.

  • When you create rebar sets for concrete parts using the Create longitudinal rebars , Create crossing rebars , and Create planar rebars commands, Tekla Structures automatically cuts the new rebar sets using the existing cuts in the concrete parts. This means that you do not need to create separate cuts for new rebar sets.

    However, you can separately modify and delete the cuts of rebar sets and the cuts of concrete parts. Also, if you add a new cut to a concrete part with rebar set, the rebar sets are not automatically cut.

  • You can now create rebar set bars at the inner sides of cuts and hollow profiles.

  • It is now possible to inquire rebar set bar groups in the model and in drawings.

  • If rebar set group coloring is active, all rebar set bars whose group type is unknown are now colored using different colors.

  • New template attributes are available for reinforcement.

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