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sap2000 can do blast resistance design. first you need to know the charge weight and distance and you must calculate the blast loads on different elements of the structure. this can not be done by sap2000 and there are some programs that can like BLASTX. then you need to know the level of...

stressed Thanks for your good help

Hey from the manual : "For concrete Sections, the reinforcing steel must be explicitly defined, or else the section must have already been designed by the program before nonlinear analysis is performed" I also tried to change the amount of reinforcement but the program did not change the yield...

Thanks stressed but when I do this I can not build a model using the wizard from "new model" menu

Hi Suppose I want to pass definition from one job to a new one Like section properties etc. Is it possible and what is the way to do it? 10x

You don't need FE analysis you can use single degree of freedom system for modelling concrete elements softwear like SBEDS can do the job

Make sure that the slab period of free vibration (including the mass of the pumps) is much different from the period of the pumps excitation

Usually those sandwich panels are not structural elements and they just cover the roof. I think that you don't need to midel them but to transfer their weight loads to the beams and joists.

Thanks a lot stressed I think I got what was wrong I set the seismic coeffitions Ca and Cv to 0.4 for both methods. But I missed another factor called overstrength factor R in the static method. this factor relates to the ductility of the structure and playing with this factor can change the...

Hey In order to compare analyzing response spectrum vs. automated lateral EQ force for UBC97 standard , I modeled a plane RC frame with sap2000 v14 The parameters needed were taken to be the default in the program The lateral max. deflection was about 13 times bigger in the response spectrum...

BA The government supports only one story (tax free) It still can be economic to build more then one story, but according to laws you must provide parking space for each apartment and this can be mission impossible

BA Where I come from there is not enough land and building above old building is very economic. Here you kill few birds in one shot. The initiator gets the rights to build above the roof of the old building and in return he reinforces the structure against EQ. By the way he renovates the old...

Thanks for your comments The idea is not to add loads to the old structure but to support the new story on columns and shear walls that will be built along the perimeter of the old structure. The old building will continue to carry vertical loads as usual, but in case of strong EQ the new...

Hey everybody My project is to design raising an old building of 4 stories to 5 or 6 stories and to reinforce the structure against earthquake. The old structure is a residential concrete building with a 20x20 m' area. The walls are made of cement blocks where the floors and the columns are made...