Pad footing reinforcement (77) creates reinforcement for a concrete pad footing.
Bars in two directions for the bottom surface of the pad footing
Lacer bars
Situation
More information
Rectangular footing, 90-degree hooks at the primary bar ends, 180-degree hooks at the secondary bar ends, no lacer bars.
Rectangular footing, three zones of primary bars with different spacing, straight bar ends, three lacer bars.
Footing skewed on two sides, two groups of lacer bars with different spacing.
Rectangular footings with or without cut corners, footings that are skewed on one or both sides
Pad footing and pile cap shapes
Use the Pad footing (77) to create reinforcement for the following shapes of foundations:
Shape
Description
Rectangular
Skewed on two sides
Skewed on one side
Rectangular with cut corners
Create the concrete pad footing.
Calculate the required area of reinforcement.
Select the concrete pad footing.
Tekla Structures inserts the lacer bar and bottom reinforcement in the pad footing.
Use the Picture tab to define the conrete cover thickness.
Enter the concrete cover thicknesses on the plane and from the plane.
Use Primary/Secondary bar tabs to define the bar properties.
In pad footings, you can arrange the main reinforcing bars into:
One zone of bars that have the same bar properties
Three zones of bars that have different bar properties
You set the options separately for primary and secondary bars. Select an option from the Arrangement list box.
Select to create hooks from Left end hook and Right end hook.
You can create the hooks as custom hooks from dropdown list.
Use the Lacer bar tab to define the lacer bar properties.
Lacer bars are reinforcing bars that loop around the sides of a concrete footing.
You can create up to six different groups of lacer bars in a footing. Each group can contain different values for:
Grade
Bar size
Number of bars
Spacing
Dimensions
To create lacer bars for a footing:
Open the footing reinforcement properties dialog box and click the Lacer bars tab.
In the Lacer bar option list box, select Yes to create lacer bars.
Enter properties for each lacer bar group:
Property
Quantity, spacing, and location of lacer bar groups.
Tekla Structures only uses information from some of the fields, in this order of priority:
Number of bars and Spacing
Number of bars , Start , and End
Spacing , Start , and End
Type
The number and location of laps. The options are:
Orientation
The options are Default , Front , and Back.
p1...p4
L1...L4
The exact locations and lengths of lacer bar laps. Locations are measured from the corner of the bar to the midpoints of laps.
The location of the topmost lacer bar, measured from the end of main bars.
Entering a value here overrides the location defined in the End field.
Use the Attributes tab to define numbering properties.
Field
Prefix
Prefix for the part position number.
Start number
Start number for the part position number.
Name
Tekla Structures uses the name in drawings and reports.
Class
Use the Class to group reinforcement.
For example, you can display reinforcement of different classes in different colors.