Slab Reinforcement Tool

Slab Reinforcement Tool creates reinforcement to irregularly shaped concrete slabs. The reinforcement is created as reinforcing bar groups. It is also possible to splice the reinforcing bars.

Objects created

Reinforcement

Use for


Situation	Description
	Slab with reinforcement

Before you start

Create a slab.

Selection order

Select the main part (slab).
Pick points to define the direction of the reinforcing bars.
If the area to be reinforced is set to By polygon, pick the polygon points to define the reinforced area.

Parameters tab

Use the Parameters tab to control the reinforcement properties, cover thickness, and reinforcing bar spacing and area.

Reinforcing bars


Option	Description
Prefix	Define a prefix for the part position number.
Start number	Define a start number for the part position number.
Name	Define the name for the reinforcing bars. Tekla Structures uses the name in drawing and reports.
Size	Define the diameter of the reinforcing bar.
Grade	Define the strength of the steel used in the reinforcing bars.
Class	Use the Class to group reinforcement. For example, you can display reinforcement of different classes in different colors.

Cover thickness


Option	Description
Cover thickness	Define the concrete cover thickness on the different sides of the slab.
Depth	Define the concrete cover, either from the top or from the bottom of the slab.
Depth value	Define the depth value for concrete cover thickness.

Spacing and area


Option	Description
Spacing Method	Define the reinforcing bar spacing method.
Number of Bars	Define the number of reinforcing bars in a reinforcement.
Spacing	Define the space between the reinforcing bars.
Adjustment	Define how the reinforcing bars are placed in the slab. The placing is based on the slab width and the cover thickness at sides. Target spacing: The reinforcing bars are placed at even spacing. Exact spacing cover at left/right side: The reinforcing bars are placed starting from the left/right side. Exact spacing centered both covers: The reinforcing bars are centered and at equal distance from the sides.
Area to be Reinforced	Define the area to be reinforced in the slab. By part perimeter: The reinforcing bars are created in the whole area of the slab. By polygon: The reinforcing bars are created to a picked polygon shaped area in the slab.

Advanced tab

Use the Advanced tab to control the reinforcing bar end hooks, splicing, and opening properties.

Bar Ends


Option	Description
Start/End	Define the type of the hooks to be used at the reinforcing bar ends. If you select Custom Hook, you can define a custom hook’s Angle, Radius and Length.
Angle	Define the hook angle by entering a value between `–180` and `+180` degrees.
Radius	Define the internal bending radius of the hook.
Length	Define the length of the straight part of the hook.

Splicing


Option	Description
Splice Bars	Define whether the reinforcing bars are spliced or not.
Maximum Length of Bar	Define the maximum reinforcing bar length after which the bars are spliced.
Splicing in Same Cross Section	Define how many reinforcing bars can be spliced in the same location. 1/1 = all reinforcing bars are spliced in the same cross section. 1/2 = every second reinforcing bar is spliced in the same cross section. 1/3 = every third reinforcing bar is spliced in the same cross section. 1/4 = every fourth reinforcing bar is spliced in the same cross section.
Splicing Symmetry	Define the symmetry that is applied when the reinforcing bars are spliced. Not Symmetrical: The splice pattern of the reinforcing bar is not symmetrical and the uneven length is only at one side. Symmetrical with different lengths at sides: The splice pattern of the reinforcing bar is symmetrical with uneven lengths at the sides. Symmetrical with different length at center: The splice pattern of the reinforcing bar is symmetrical with uneven length in the center.
Splicing Offset	Define the offset of the splice center point from the point where the reinforcing bars originally met.
Minimum splitting distance	Define the minimum longitudinal distance between two splices in consecutive bars.
Splicing Type	Define the type of the splice.
Lapping Length	Define the length of the lapping connection.

Openings


Option	Description
Cut Bars at Opening	Define whether reinforcing bars are cut in slab openings.
Cover thickness for openings	Define the concrete cover thickness on the sides of the openings.
Minimum Size of Large Opening	Define the minimum size of an opening that is considered to be large. This field is available if you set Cut Bars at Opening to At Large Opening Only.