Rebar in beam LT (91)

Not version-specific

Tekla Structures

Environment

Not environment-specific

System component Rebar in beam LT (91) is the simplified version of the Rebar in beam (90). It can be used for creating full adaptive reinforcement in concrete beams and columns with complex shapes.

Objects created

Top bars
Bottom bars
Side bars
Stirrups

Use for

Situation
Image	Image
Image	Image
Image	Image
Image	Image

Before you start

Create a concrete beam or column.

Selection order

Activate the component.
Select a beam or column.
Pick 2 positions.
The reinforcement is created.

Part identification key

	Part
1	Concrete beam
2	Bottom bar
3	Top bar
4	Side bars
5	Stirrups

Primary bottom bars tab

In the Primary bottom bars tab the shapes, sizes and all other properties of the primary bottom bars can be defined.

Rebar creation

Option	Description
Method	Select method of bars creation. The options are: ● No rebars. No rebars will be created. ● Number of bars. Define number rebars in the field Number below. ● By spacing. Bars are created according to defined spacing in the Spacing field below. ● By distance list. Multiple distances can be defined for rebars creation. If this option is selected, another field appears. Here we can define, where the distribution of the rebars will start. The options are: ○ Middle ○ Right ○ Left ● By number, single ● By spacings, single ● Distance list, single
Number	Define the number of created bars. Available only if corresponding method is selected.
Spacing	Define the spacing between the created bars. Available only if corresponding method is selected.
Grade / Size	Define the grade and the size of the bars.
Name	Define the name of the bars.
Class	Define the class of the bars.
Numbering	Define the numbering for the bars.
Comment	Define comment.
Attach to	Select if the bars will be attached to the primary part or to the neighbor part. The options are: ● Primary ● Neighbor. This part can be specified in the Configuration tab page, section Find neighbor.
Direction	Select the direction of bars creation. The options are: ● Global ● X axis ● Y axis ● Z axis ● Max (Dx23, Dy23, Dz23) ● X workplane
Exclude	Select which bars will not be created. The options are: ● None ● First ● Last ● First and last

Geometry

Option	Description
Sides	Select on which side of the beam the bars are created.
	Image	Bottom bars will be created.
	Image	Left side bars will be created.
	Image	Top bars will be created.
	Image	Right side bars will be created.
	Image	Top and bottom bars will be created.
	Image	Left and right side bars will be created.
	Image	Only specific bars, defined in the Side number field below, will be created.
	Image	All bars will be created.
Side number	Select numbers of bars which should be created. Active only if corresponding option is selected in the Sides field.

Option	Description
Geometry	Select which geometry section is used for bars distribution.
	Image	Beam bounding box.
	Image	Beam real section.
	Image	Beam real section at top and bottom.
	Image	Beam real common section at top and bottom.
	Image	Beam real common web section.
	Image	Beam real section at bottom.
	Part	Section is taken from picked part.
	Cast unit	Section is taken from picked part cast unit.

Option	Description
Extend by	Use for extending geometry section by picked points.
	Image	No extension.
	Image	Extend section bottom to the point nr.2.
	Image	Extend section top to the point nr.2.
	Image	Extend section right to the point nr.2.
	Image	Extend section left to the point nr.2.
	Image	Extend section bottom to the point nr.3.
	Image	Extend section top to the point nr.3.
	Image	Extend section right to the point nr.3.
	Image	Extend section left to the point nr.3.
	Image	Extend section vertically between points nr. 2 - 3.
	Image	Extend section horizontally between points nr. 2 - 3.

Side view

Option	Description
1	Specify the position of the reference start and end point of the bars.
	Image	Beam bounding box.	Image
	Image	Beam reference point.	Image
	Image	Picked points.	Image
	Image	First complete section.	Image
	Image	First collision section.	Image
	Image	Beam middle point.	Image
	Image	Last complete section.	Image
	Image	Last collision section.	Image
	Image	Picked points.	Image
	Image	Real collision section.	Image

Option	Description
2	Specify the bar dimension in vertical direction.
	Upper side.	Image
	Bottom side.	Image

Option	Description
3	Options for the bar shape at start and end.
	Image	Straight.	Image
	Image	L shape with bending.	Image
	Image	U Shape with bending.	Image
	Image	U Shape.	Image
	Image	L shape.	Image
	Image	I shape horizontal.	Image
	Image	I shape vertical.	Image
	Image	Shear shape with bending.	Image
	Image	Shear shape.	Image
	Image	No bar created.	Image
	Image	Splice I shape horizontal.	Image
	Image	Splice L shape.	Image
	Image	Splice U shape.	Image
	Image	Splice shear shape.	Image

Option	Description
4	Options for opening consideration.
	Image	Ignore openings.
	Image	Consider openings and split bars. The options are: ● Single bars ● Tapered group
	Image	Consider openings and split bars and create hooks. Specify length of hook. The options are: ● Single bars ● Tapered group
	Image	Consider openings and split bars and create hooks. Specify the cover thickness of hook. The options are: ● Single bars ● Tapered group
5	Shape parameters for left and right side bars and their end conditions.
	a - t	Bar dimensions. Availability depends on the selected side bar at option 3.
	End condition	Select end condition for start and end of the bars. The options are: Image
	Bend length	Define the length of the start and end of the bar. Available only if some bend in End condition is selected.

Splicing and cover

Option	Description
6	Image	Options for splicing.
7	Image	● Cover thickness from the edge of the bar. ● Cover thickness from the center of the bar.
8	Image	Define the splicing attributes for different bars. N, L1, V D: Fields for dimensions, availability depends on the selected option: ● N: Number of bars. ● L1: Length of each bar. ● V: Overlap distance. ● D: Length of bars by distance list.
9	Image	Set an additional distance of bars overlapping for each odd or even bars.

Primary top bars tab

In the Primary top bars tab the shapes, sizes and all other properties of the primary top bars can be defined.

Please see page Primary bottom bars tab for explanation.

Stirrups tab

In the Stirrups tab the shapes, sizes and all other properties of the stirrups can be defined.

Rebar creation

Option	Description
Method	Select the direction of the stirrup creation. The options are: ● Global ● X axis ● Y axis ● Z axis
Grade / Size	Define the grade and the size of the stirrups.
Name	Define the name of the stirrups.
Class	Define the class of the stirrups.
Numbering	Define the numbering for the stirrups.
Comment	Define comment.
Attach to	Select if the stirrups will be attached to the primary part or to the neighbor part. The options are: ● Primary ● Neighbor. This part can be specified in the Configuration tab page, section Find neighbor.

Geometry

Option	Description
Seat Orientation	Image	Select the rotation of the stirrups.
Geometry	Image	Select which geometry section is used for the stirrup distribution. Similar to Geometry in the Primary bottom bars tab.
	Part	Section is taken from the picked part.
	Cast unit	Section is taken from the picked cast unit.
Extend by	Image	Use for extending geometry section by picked points. Similar to Extended by in the Primary bottom bars tab.
Angle:	Stirrup inclination.

Stirrup shape

Option	Description
Image	Stirrup shapes.
End condition	Select end condition for stirrups. The options are: Image
Bend length	Define the length of the stirrups. Available only if some bend in End condition is selected.
Nr corner	Set the corner of the stirrup. Available only if specific Stirrup shape is selected.
Nr sides	Set the side of the stirrup. Available only if specific Stirrup shape is selected.
Concrete cover	Specify the cover thickness.
Calculate cover	Define the cover thickness calculation. The options are: ● Given values ● Along long bars hor ● Along long bars vert ● Along long bars
Stirrup type	Select the stirrup type. Two types of sets are available, depending on the selected Stirrup shape. Image Image
Shape parameters	a: - e: Set the dimensions of the corresponding shape letter. Availability depends on the selected Stirrup shape.

Stirrup spacing tab

In the Stirrup spacing tab the spacing of the stirrups can be defined.

Distribution

Option	Description
1	Select the desired type of stirrup spacing: Image Available for left and right side.
2	Specify the offsets from the start and end reference point.
3	Select the direction of the spacing: Image
4	Options for opening consideration: Image
5	Zone 1 - Zone 10	Specify the setting for each zone.
	Cut zone	Specify the setting for the zone with cut.
	Number of spacings Number of stirrups	Specify the number of spacings or the number of stirrups.
	Space	Define the spacing between the stirrups.
	Length Percentage	Define the zone length by the length or by percentage of the beam length.
	Diameter	Define the diameter of stirrups.
	Class	Define the class of the stirrups.

Grouping

Option	Description
Diameter Diameter and spacing	Select if stirrups are grouped by diameter or by diameter and spacing.
Image	Select the grouping type.
Stirrups per group Number of groups	Define the number of stirrups per group or the number of groups.

Option

Description

Diameter

Diameter and spacing

Select if stirrups are grouped by diameter or by diameter and spacing.

Select the grouping type.

Stirrups per group

Number of groups

Define the number of stirrups per group or the number of groups.

Options

Option	Description
Spacing type	Select the type of spacing. The options are: ● By exact spacing ● By exact spacing value with flexible first and last space ● Equal distribution by target spacing value
Exclude	Select the excluded stirrups. The options are: ● None ● First ● Last ● First and last
Extra spacing	Select if extra spacing will be used. The options are: ● No ● Yes
Spaces between stirrups	Select the spaces between the stirrups. The options are: ● Standard ● Along grid locations ● On fixed distances
Grid distance	Set the grid distance of the stirrups. Available only if the option Along grid locations in Spaces between stirrups is selected.
Calculate cover	Calculate the cover thickness. Available only if option Along grid locations or On fixed distances in Spaces between stirrups is selected. The options are: ● Fix cover thickness at start ● Fix cover thickness at end ● Fix cover thickness at start and end

Extra spacing tab

In the Extra spacing tab the shapes, sizes and all other properties of the extra stirrup group can be defined.

Option	Description
1.	Zone 1 - Zone 3	Three different stirrups zones.
	Number of stirrups	Define the number of stirrups.
	Space	Define the spacings between stirrups.
	Diameter	Define the diameter of stirrups.
	Name	Define the name of the extra beam or antimaterial.
	Class	Define the class of the extra beam or antimaterial.
2.	Image	Select the type of stirrup distribution.
Create as loose group	Select how create stirrups. The options are: ●Yes ● No
Extra stirrups	Define extra stirrups properties: ● Comment ● Name ● Class ● Serie ● Start number

Advanced tab

In the Advanced tab the advanced properties can be defined.

Option	Description
Standard cover thicknesses	Image	Set value or calculation formula to set the cover thickness from the side to the stirrup
	Image	Set value or calculation formula to set the cover thickness from the bottom to the bar
	Image	Set value or calculation formula to set the cover thickness from the side to the bar
Cover thicknesses openings	Define the common cover thickness in openings for all bars and stirrups. The options are: ● Longitudinal bars ● Min. length ● Stirrups ● Min. spacing
Bending radius primary Bending radius sec	Select the bending radius type: Image ● Main radius: Value of main radius. ● Hook radius: Value of hook radius.
Define anchor length	Image Formula for the anchor length calculation.
Global direction rebars	Set the direction of the rebars: Image Shape of the bars: Image

Configuration tab

In the Configuration tab the general attributes can be defined.

Option	Description
Print info	Show additional information in the console window. The options are: ● Yes ● No
Show ref border number	Specify the position where the reference border numbers will be drawn in the model. The options are: Image Distance: Select the distance. Availability depends on the selected option. Angle: Select the angle. Direction: Select the direction. Image Number of borders to skip: Set which border will be skipped.
Create points on corner	Specify the position where section corner points will be drawn in the model. The options are: Image Distance: Select the distance. Availability depends on the selected option. Angle: Select the angle. Direction: Select the direction. Image Number of corners to skip: Set which corner will be skipped.
Different stirrup sections	Specify the polygon from which the stirrup shape will be calculated. The options are: Image
Scan stirrup polygons	Specify the position where the stirrup polygons will be scanned. The options are: Image
Linearization tolerance of geometry	Specify the tolerance for linearization stirrup geometry.
Find neighbor	Specify the neighbor who will be father part of reinforcement. By default, the picked part is father part. The options are: ● Class ● Name
Geometry	Select the common settings for the position of reference start and end point of the bars. Start End Image Select the common settings for the geometry section which is used for the bars distribution. Section Image
Reference border along	Specify the start position of the reference border number. Options: Image
Ignore cutout classes or name	Specify which cuts will be ignored when consider openings option is used.

Rebar assembly tab

In the Rebar assembly tab you can create an assembly from rebars and stirrups.

Option	Description
Create as rebar assembly	Select if rebar the assembly will be created. The options are: ● Yes ● No
Rebar assembly type	Specify the type of assembly. The options are: Image
Name, Prefix, Start number	Define the name, prefix and start number of the assembly.
Include in rebar assembly	Select which objects will be added to assembly.
Longitudinal rebars	Select the type of longitudinal rebars to be included in the assembly for Primary bottom bars and Primary top bars. The options are: ● Yes ● No
Stirrups	Select if rebars will be included in the assembly for Stirrups. The options are: ● Yes ● No

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