How to fix ** ERROR: IBC/UBC LOAD CASES MUST BE FIRST AND NO MORE THAN 8 CASES ARE PERMITTED. **. structure is irregular and unsymmetrical. 12 seismic load cases are required
STAAD SPACE START JOB INFORMATION ENGINEER DATE 11-May-23 END JOB INFORMATION INPUT WIDTH 79 UNIT METER KN JOINT COORDINATES 49 0 0 11; 50 4 0 11; 51 9 0 11; 52 14 0 11; 53 19 0 11; 54 22 0 11; 55 27.5 0 11; 56 33 0 11; 57 38 0 11; 58 43.5 0 11; 59 47…
Story stiffness calculation in staad?
Hi every one i have modelled staad with same number of columns and all the column sizes are same. so as per the staad literature the stiffness of columns calculated as 12EI/L^3. My member sizes are same and the floor heights are same in staad but the…
Design of Solid slab (Conventional slabs)
Hello Everyone
For a while, I was using an Advanced Concrete Design (RCDC) for the design of a solid slab. Today I tried to learn the RAM concept for the slab designs but I saw a design of strips that had never seen before (When I was using RCDC and…
Section properties not accurate
I am designing a steel frame and it has a member L3x3x3/8. The value of S and Z should be same for both minor and major axis. However STAAD Pro uses different values. Additionally, these values are not accurate with the AISC steel manual Table 1-7.
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