Hole creation and reinforcement (85)

Hole creation and reinforcement (85) creates a hole in a concrete part and reinforcement around the hole.

Bars created


Situation	More information
	Rectangular hole, stirrups on each side of the hole, no Z-shaped bars.
	Round hole, Z-shaped bars, no stirrups around the hole.
Concrete beams or columns
Round or rectangular holes	Hole only. No additional reinforcement around it.
With or without Z-shaped bars or stirrups

Parts that have round or irregular cross sections.

Use the Picture tab to define hole properties, bar dimensions and locations, concrete cover thickness, and angle of Z-shaped bars.

Use these options to create holes and additional reinforcement:


Option	Description
	Creates a hole and additional reinforcement around it.
	Only creates a hole, no reinforcement.

Use these options to define the direction of holes:


Option	Description
	Hole along the local y direction of the part.
	Hole along the local z direction of the part.

Use these options to define Z-shaped bars around round holes:


Option	Description
	Concrete cover measured in the direction of the radius of the hole.
	Concrete cover measured from the corner of the bounding box around the hole.

Use these options to define the direction of Z-shaped bars:


Option	Description

Use the Bars tab to define bar properties.


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

Use the Stirrups tab to define stirrups properties and additional settings.

Use these options to define the stirrups around holes:


Option	Description
	Single stirrups
	Bundled stirrups


Option	Description
	135-degree hooks
	90-degree hooks