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## How is Anchorage length calculated?

Anchorage length is provided if sufficient development length cannot be provided inside the support/fixed end. L value is generally considered as **8 times the diameter for a 90 degree bend**. While, 6 times the diameter for a 135 degree bend and 4 times the diameter of bar for a 180 degree bend.

## What is the formula for lapping length?

Normally, lapping position is at where near the minimum shear force is acting. Normally lap length is 50D meaning **50 times the bar diameter if both bars are** of same diameter. When lapping two bars of different diameters, the lap length is considered as 50 times the smaller diameter.

## What is Anchorage rebar?

Reinforced concrete [RC] is concrete in which reinforcement bars (“rebars”), reinforcement grids, **plates or fibers are embedded to create bond** and thus to strengthen the concrete in tension.

## What is the formula for splicing rebar?

A lap splice is when two pieces of rebar are tied together where the bars overlap. The length of the overlap is calculated by using the equation **30 times the bar diameter**. A minimum of four sets of ties are then evenly spaced along the lap length.

## What is Anchorage length of 135 degree bend?

Although the development length of the 135° hook was recommended to be extended to **8d**, by the design guidelines based on ultimate strength concepts [3], 6d is the length still used in the normal practice.

## What is anchorage failure?

Anchorage failure of hooked bar is considered as 3 types, that are **side split, local compressive and raking-out failure**. Among these failure types, raking-out failure tends to occur in case of lack of development length, which is focused in this study.