Missing reinforcement error in Foundation Beams

B

Burak B.

New Member
Good work to all my colleagues. To briefly describe my problem; There is no problem when I solve it with idecad7 version. When I solve it with İdecad 8; 1- If I solve the Superstructure interactively A) If I do not give misalignment to the columns (even though the columns are at the outermost point), I get the error of missing reinforcement in 12 foundation beams B) If I give an outward offset of 10 cm, the number of Foundation Beams that fail decreases to 6 2- Superstructure Interactive If I don't, the situation gets worse. While the number of Foundation Beams that cause missing reinforcement errors is increased to 14, 4 foundation beams that do not provide shear safety are added to the errors. I would appreciate it if you could take a look and share your suggestions. (Shouldn't it be the other way around when I don't solve the superstructure interactively?) I'm also adding my project. I would be very happy if the masters review and share their suggestions.
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Now that I've noticed, I'm writing a separate message. When I check the report in ide7, there is no error. But when I click on Continuous Foundation from the reinforced concrete tab, there are foundation beams that give As(-) error. Which one should I consider?
 
Hello, -First of all, with the 8.5 version of the program, continuous foundations and raft flooring are solved together with the finite element method in the beamed raft foundation system. In version 7, it distributes the column and wall normal forces coming from the superstructure to the raft area, and loads and unwinds the rafts separately from the foundation beams as a support system. In other words, it works as an inverted beam floor system. In addition, in version 7, there is no superstructure interactive solution in beamed raft foundation systems. Therefore, it would not be appropriate to compare the 7 and 8 version beamed raft foundation results. -In your project, TK04,TK06,TK07- the problem of AS(-) reinforcement in continuous foundations. A situation that occurs when the "Merge" option is active in continuous foundations, but it cannot be combined. Disabling the "Merge" option in the Static tab from the properties of the TK03 and TK07 continuous bases will resolve the issue. The AS(-) problem in other foundations is due to the lack of stirrups. (There are jumps in shear force at the junction of some continuous foundations. This is among our previous notes.) Continuous foundation widths are 50 cm. and when the eccentricity and connections are arranged as in the attached project, a more economical solution can be obtained and the problem of stirrup insufficiency is solved. Good work
 
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