> For the complete documentation index, see [llms.txt](https://docs.besmart.software/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.besmart.software/3d-modeling-and-design/precast-concrete/feature-descriptions/wall-reinforcement/configuration-settings/l-corner-reinforcement.md).

# L Corner Reinforcement

{% embed url="<https://www.youtube.com/watch?index=5&list=PLzDqpnw6ReoO9uB1YIUWTJ-aobaNj3UAI&v=6koVLxCW_90>" %}

This feature works with single layer walls. It has options to automatically place selected rebar shapes in 90-degree-wall joints based on your configurations.

<figure><img src="https://239424168-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FqtUsszuAWXIZhQhrvjnb%2Fuploads%2FxdLnr1BYsUDgjffnbs46%2FL%20Connection.png?alt=media&amp;token=5efb9ccf-a25d-4600-82d6-da06cd7974c2" alt=""><figcaption><p>L Connection</p></figcaption></figure>

There are a few tabs for defining reinforcement for different situations.

The external faces of the joined walls determine whether it is an outer or inner corner. Select a wall in the Revit plan to see opposing arrows visible on the external side of the wall.

Select a wall in the plan to see whether it is an L or B wall. The blue color will indicate how the walls are joined.

<figure><img src="https://239424168-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FqtUsszuAWXIZhQhrvjnb%2Fuploads%2FuJy5cIR2jTTNFTdJ2pOe%2F0.jpeg?alt=media" alt=""><figcaption></figcaption></figure>

Settings of rebar shape, covers, and lengths are based on the pictures of each currently available rebar shape:

<figure><img src="https://239424168-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FqtUsszuAWXIZhQhrvjnb%2Fuploads%2FEhScunEcUb37xv8ZZnly%2FL%20Connection%202.png?alt=media&amp;token=f34c6265-af4f-4af1-b69a-b5aad01fbeee" alt=""><figcaption></figcaption></figure>

**Bar Shapes - Bar1 and Bar2 -** options to extend Horizontal bars, defined in **External/Internal Reinforcement** settings.

Other shapes will create new rebars in the corners of the walls.

**New item** - adds an additional row to define shape and layout for selected rebar shape.

**CI, CE, LI, LE, a, b** - cover and length settings presented in the picture

**Layout direction** - vertical layout rule for selected rebar shape

* **Start** - rebars will be placed from the bottom of the wall by the defined Spacing starting with the Start offset value from the wall bottom. No bars will be created within the End offset limit.
* **End** - rebars will be placed from the top of the wall by the defined Spacing starting with the End offset value from the wall top. No bars will be created within the Start offset limit.
* **Start End** - similar to Start, but additional rebar will always be created at End offset position.
* **Center** - layout will be centered based on wall height. Start offset will serve as a limit where bars will not be created, at the top and bottom of the wall.

**Max Gap** - Measures the distance between walls and, if it exceeds in the model, prevents rebar creation at those connections.

![](https://239424168-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FqtUsszuAWXIZhQhrvjnb%2Fuploads%2FLmJkobbVGUBOib20Y7Nn%2F3.jpeg?alt=media)![](https://239424168-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FqtUsszuAWXIZhQhrvjnb%2Fuploads%2FWj7RJEIVavVlpGcdJw8E%2F4.jpeg?alt=media)

<div align="left"><img src="https://239424168-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FqtUsszuAWXIZhQhrvjnb%2Fuploads%2F1aZllIOF0Z7EwGq94UC4%2F5.jpeg?alt=media" alt=""></div>

![](https://239424168-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FqtUsszuAWXIZhQhrvjnb%2Fuploads%2F7BBjtE9nTHDj6108dwv2%2F7.png?alt=media)


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