Inserting default reinforcement in slabs and waffle slabs
The "Predefined reinforcement" option, available in the "Panels" menu on the "Beam input" tab and also in the "Slabs/Waffle slabs" menu on the "Results" tab, allows the user to freely enter reinforcement in slabs and grid structures in any direction.
The predefined reinforcement, like the base reinforcement, is retained in subsequent redesigns, and its quantity is deducted from the required amount when analysing the reinforcement layout.
After clicking on this option, the "Predefined reinforcement" window opens, which contains the following options.
Enter predefined reinforcement
Use "Enter default reinforcement" to enter reinforcement for grid slabs and slabs in any direction.
After clicking on the option, in the window that appears, you must specify the position of the default reinforcement, whether it is an "Top reinforcement" or a "Bottom reinforcement", and select one of the available "Steels" (you can specify a different steel grade to the one selected for the main reinforcement of the panel). Define the "Reinforcement" by specifying the number of bars, their diameter and spacing, and indicate the length of the "Anchors if required".
After clicking "Accept", the start and end points of the first beam are marked on the floor plan, and then a third point is selected to indicate the width of the distribution zone for the reinforced concrete package.
Delete default formatting (Upper/Lower)
The options "Delete default reinforcement (Top)" and/or "Delete default reinforcement (Bottom)" appear if default reinforcement has previously been entered on the top and/or bottom face of the slab, and allow it to be removed.
Regenerate bars
If default reinforcement has been entered and a change to the floor plan requires this reinforcement to be modified, using the "Regenerate bars" option will cause the program to redraw the bars, performing operations such as extending them or anchoring them at the ends, where possible.
| Note: |
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| The program will deduct the default reinforcement from the analysed reinforcement, such that the average mechanical capacity of the default reinforcement entered (multiplied by the centre-to-centre distance in the case of a grid slab) will be subtracted from the analysed reinforcement. The average mechanical capacity of the default reinforcement is the result of dividing the total mechanical capacity of the entered default reinforcement by the width of the zone where that reinforcement has been entered. |
