2017 Table of Contents

Rebar coupler

Added June 1, 2017 by Tekla User Assistance tekla.documentation@trimble.com

Software version: 

Rebar coupler

Rebar coupler

Rebar coupler creates couplers to split reinforcing bars and bar groups, or to bars and bar groups whose ends are in contact and parallel.

Rebar coupler is a part of Rebar Coupler and Anchor Tools. Rebar Coupler and Anchor Tools is a set of four components that help to model and manage

  • 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.

    couplers that connect two bars
  • end anchors that are devices at the unreserved end of the bar.

The following components belong to Rebar Coupler and Anchor Tools :

In addition, you can manage the user-defined attributes (UDAs) of the Rebar Coupler and Anchor Tools with the Rebar Coupler and Anchor Tools: Update rebar attributes component.

Objects created

  • Round parts

    The parts are connected between two reinforcing bar groups.

Use for

Situation Description

Couplers with split reinforcing bars.

Before you start

Couplers can be created between reinforcing bar groups or single reinforcing bars and reinforcement meshes. The two selected reinforcement objects can be of different type and they can even have different number of bars. The only requirement is that one or more bar ends are in contact and parallel.

Selection order

  1. Select the first bar or bar group.
  2. Select the second bar or bar group.

Couplers are created at each location where

  • the bar ends are parallel enough (angle < 5 degree) and
  • the gapany space between two objects

    The term gap is used in its general sense in Tekla Structures.

    along the bar end is less than the length of the coupler and
  • the offset perpendicular to the bar end legs is less than the diameter of the bars

When there is no valid and no parallel end-to-end location between the selected bars, the component creates a dummy part that identifies the unsuccessful coupler insertion.

All couplers are automatically added to the parent part of the reinforcing bar. This allows them to be shown in reports and drawings because they are added to the sub-assemblyassembly in a nested assembly that is subordinate to a parent assembly

of the cast unit.

In some cases the reinforcing bars can move outside of the concrete. This may happen with reinforcing bars that are modeled with two points (straight bars and straight bars with hooks). If the reinforcing bars move outside of the concrete, change the cover thickness to either a negative or a positive value depending on what is required.

Two report templates Rebar Extra Fabrication Length.rpt and Rebar Thread Length.rpt can be used to inquire Threaded Length and Extra Fab. Length of the reinforcing bars in the BOMs or BOQs.

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