RF-CONCRETE Surfaces – Online Manual Version 5

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RF-CONCRETE Surfaces – Online Manual Version 5

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Required Reinforcement Total

The maximum reinforcement areas of all analyzed surfaces are output, which are determined from the internal forces of the selected load cases, load combinations, and result combinations for the ultimate limit state design.

Figure 5.2 Window 2.1 Required Reinforcement Total
Surface No.

This column shows the numbers of the surfaces where the governing points are located.

Point No.

In these FE nodes or grid points, the greatest required reinforcement for each position and direction has been determined. The type of the reinforcement is indicated in column E, Symbol.

The FE mesh nodes M are generated automatically. In contrast to this, the grid points G can be controlled in RFEM, as user-defined result grids are possible for surfaces. The function is described in chapter 8.13 of the RFEM manual.

Point-Coordinates X/Y/Z

The three columns show the coordinates of the respective governing FE nodes or grid points.

Symbol

Column E displays the type of the reinforcement. For the four (or six) longitudinal reinforcements, it shows the direction (1, 2, and possibly 3) and the surface side (top and bottom).

The reinforcement directions were specified in window 1.4 Reinforcement in the Reinforcement Layout tab (see chapter 3.4.2).

Top and bottom position

The top reinforcement is located on the surface side in the direction of the negative local surface axis z (-z), the bottom reinforcement accordingly in the direction of the positive z-axis (+z). Figure 3.28 shows the axis systems of the surfaces.

The shear reinforcement is labelled asw.

Required Reinforcement

This column displays the reinforcement areas that are required for the ultimate limit state design.

Basic Reinforcement

This column shows the user-defined basic reinforcement specified in the Longitudinal Reinforcement tab of window 1.4 Reinforcement (see chapter 3.4.3).

Additional Reinforcement

If you only perform the ultimate limit state design, the Required column displays the difference between the required reinforcement (column F) and the provided basic reinforcement (column G).

If the serviceability limit state designs have also been performed, you can see the reinforcement areas that are required to fulfill the serviceability limit state designs with the specifications in the Longitudinal Reinforcement tab of window 1.4 Reinforcement (see chapter 3.4.3). The Provided column shows the reinforcement that is available as additional reinforcement for the serviceability limit state design according to the specification in the Longitudinal Reinforcement tab of window 1.4 Reinforcement.

Note

The final column indicates non-designable situations or notes referring to design issues. The numbers are clarified in the status bar.

The button shown on the left allows you to view all [Messages] of the current design case. A dialog box with an overview appears.

Figure 5.3 Error Messages or Notes dialog box

The buttons of window 2.1 are explained in chapter 6.