beam span

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mhmt_ali

New Member
Hi, I have to pass long spans with beams in the project I am working on at the moment, whose picture I have shared below. Can you help me with this.
 
I don't think anyone will understand anything from this picture and answer. Either give a bigger picture or send the project so that we can think more comfortably by looking at the general....
 
There was no information on how the formwork plan would be in the project you sent, you just drew the curtains and columns. The span you show in the drawing is about 13 m. But this place can be thought of as a 2m console. As in the attached picture, 2m cantilever flooring can be designed with cantilever beams coming out of the curtain. I also recommend that you model the entire core part as a curtain in the picture.
 
There is no work around. Your project does not give an idea as it is. There is a file with only columns. Not much can be said in this case, but I can roughly say this. It can be if you consider a connection to the end of the beams connected to the curtains, as in the picture. Continuity is of course also preferable. Otherwise it doesn't make much sense. We also recommend that you enter curtain columns with panel object such as 67, 68 and others.
 
Hi, the file I have given below has defined a cassette slab in the project I have sent because the beam span is high, but it gives the error that the slab thickness is low. I would be grateful if you could help me with what corrections I can make to such a system.
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about cassette slab Hi, I have defined cassette slab in the project I have sent because the beam span I have given below is too much, but it gives an error that the slab thickness is low. I would be grateful if you could help me with what corrections I can make to such a system.
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Dear mhmt_ali, First of all, write a topic only in one place. It's a must read and someone will make a comeback. Secondly, in such a system, it would be beneficial for all floors to be cassettes. Your problem is with the cassette dimensions: You made a 3m x 3m cassette size. The classical system was like a beamed floor. So is the production. So there is no cassette die of such a size. (you should research the cassette die sizes and have an idea) Instead, use small sized cassettes. The main logic of cassette flooring is to divide the system into small floor pieces and create a continuity network with abundant beams. In addition, there is a faulty slab formation in your system due to faulty beam combination (especially at the points where there are spring beams). You should get rid of this problem too. I don't know what building your building has 16 floors, but I guess for a structure with such a system, this should not be the load. You should also change the carrier system coefficient of behavior. Again, as I wrote before, it would be better to enter data using a panel object instead of a column object for curtains. The openings are huge. These beam sizes are not sufficient for these openings. You cannot overcome deflection problems with these dimensions. It is not possible for these column sizes to be sufficient. You also need to increase the cassette beam heights by 50 cm, but it saves. I'm sending it back to you with a little touch of your project for guidance. Good luck with.
 
Dear mhmt_ali, According to the information you have given for a building with several floors, maybe something general can be said. However, trying to obtain information with a picture or floor information for a building of this size will lead you to a big mistake. It looks like there are many more challenges to overcome with this project before reducing the problem to a beam or slab. I would like to state that I appreciate the efforts of Mr. Nedim and the forum administrators to help, despite the little information you have provided. I'm not about your structure, but I'll try to help you ask your question more engineered. When asking your question 1. Post your entire project and architectural floor plans in the forum. It is very difficult to make a recommendation without seeing them. For example, do you have to make the spring beams that you use in the project? Is this an architectural or static imperative. If there is an architectural concern in making these beams, can't something decorative be done instead? Are all columns continuous throughout the entire floor? etc. We don't know. 2. Specify the region where your building is located. 1. Degree or x. such as an earthquake zone. So that those who want to help you can ask you why the curtain ratio of the building you have built in such a high-rise first earthquake zone is so low. 3. Information about the floor of the building. Attention, I am not saying ground safety tension. Thus, those who want to help you can advise you on the ground on which this weighted structure will be carried. Maybe soil improvement or pile application suggestions can come. 4. Your building class. Making a suggestion to you without knowing whether your structure is a school, office building or residence may lead you to a misconception. For example, if your building is an office building, what kind of loads will come to the facade in a building of this size. 5. External loads acting on your structure. For example, during the construction of your building, will you put a tower crane on it? etc. What has happened so far is actually the general points that we should pay attention to before asking questions here. Of course, I do not say this for friends who have finished the building solution in general, but only stuck at some points. 6. As far as I know, you solve the dilatations separately and then combine them for a common foundation solution. Please investigate this situation 7. If you have not solved a structure of this size before. Benefit not only from the forum but also from colleagues around you whose knowledge you trust. Best regards
 
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