Slab thickness and Rebar insufficient warning

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c30umsu

New Member
hello friends, In my attached project, for the D14 and D02 balcony slabs, firstly, the warning "Slab thickness is insufficient" was given and the reinforcements were 8 pieces. Then I examined the slabs in 3D and according to the required As, I added 14 reinforcements for these balcony slabs. When I analyzed, I also got the "Insufficient reinforcement" warning for these tiles. I couldn't understand this situation. - How can I deal with the insufficient slab thickness warning? I checked the reports, it asks for a very high thickness. - According to what situation do we determine the working type for balcony flooring as two-way short, one-way short? - Should we always take the balcony flooring reinforcement type as a console? In what situations should we choose the others? - Finally, should we give the clear opening for thickness control? What should we determine? Many thanks in advance to my colleagues. My project is attached.
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"c30umsu":vyvc4zwg" said:
hello friends, In my attached project, for D14 and D02 balcony slabs, firstly, "The slab thickness was insufficient" warning was given and the reinforcements were 8. Then I examined the slabs in 3D and these balcony slabs according to the required As I threw 14 reinforcements for the slabs. When I analyzed, I also got the warning "Insufficient reinforcement" for these slabs. I could not understand this situation.
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Hello, In D02 and D14 slabs, a positive moment occurs at the bottom of the opening in the cantilever reinforcement axes with the effect of S3 and S17 columns With the Reinforced Concrete Account hanger edit command, you can edit the Reinforcement type as top + flat reinforcement at the bottom.
How can I handle the insufficient slab thickness warning? I have reviewed the reports, it requires a very high thickness.
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The slab thickness in the program is made according to the criteria in Ts 500. If You If you think the thickness is sufficient, you can edit the slab reinforcement type as upper + flat reinforcement at the bottom with the Reinforced Concrete calculation axis edit command. Thickness control will be made according to the laying conditions running in both directions.
"c30umsu":vyvc4zwg" said:
- According to what situation do we determine the working type for balcony flooring as two-way short, one-way short?
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Considering whether the working type of the flooring is the flooring that works in two or one direction in the program, Ts It is determined automatically according to 11.4. It is effective in determining the reinforcement type in the first stage. It has no effect on the slab analysis. There is no function of the working type in cantilever reinforcements.
"c30umsu":vyvc4zwg" said:
- Finally, should we give the clear opening for thickness control? ? How should we determine it?
Click to expand...
For rectangular slabs, the "clear opening value for thickness control" is automatically and accurately determined by the program. Under normal circumstances, you do not need to intervene. But it is possible that the tile geometries are not rectangular, etc. In such cases, the free opening value can be interfered with using the engineering initiative. Note: The slab edge is drawn under the K43 beam. Good work
 
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