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Hello, I just converted a steel structure from Etabs to Sap2000, I have checked everything and the results almost matching, however when I specify nonprismatic steel section, I find a significant difference in moment value between the two models. Can anybody help? Using Sap2000 version 26 Etabs...

Hi guys, I have a water tank with a depth of 4 meter and planar dimensions of 9X4 meter squared the problem when it is filled with recycled water to a depth of 3.5 m, what happened in reality that the tank bloat and the walls tend to bend to the outside, I am thinking of a retrofitting method...

I have a circular base plate with a opening as in the picture, I need to find the neutral axis location for bending on the plate to design for the maximum tension force per bolt, I believe most of the bolts will be in tension and a block of the steel plate will take compression. can anyone...

Hello Engs. I have a connecction between two steel beams, one resting on another, it's bridging between two buildings so movement in 2 direction have to be considered. I had come to this detail where the bottom flange has a long slotted hole while the top flange of the other beam has oversized...

What is the difference between normal and destabilizizng load in BS 5950-1 as per below table. Can I assume DL, LL and Wind load as Normal loads?

Can you guys advise about the Lateral torsional buckling length for a cantilever beam in a lightweight roof, which is torsionally braced with knee bracing attached to purlins at interval of 3 meters. Shall I take LTB length as 3 m or shall I take it as a percentage of 8.7 m

Hello Engineers, I am working on a military building, and this building is required to tolerate blast, anyone knows which load combination should I use for Blast loading? are there any references which combine Blast load with other regular loads (Dead,live, Wind etc...) Thanks a lot

Hello Engineers, I have a steel freestanding stairs to design, is there any additional consideration I have to take into account rahter than designing a simply supported stairs? is it right that I need to apply 2-3 live load cases to give max tension in higher flight and max compression in the...

Hello Guys, I have a question regarding Wind load calculation using ASCE7-05 on a louver supporting system as shown in the attached picture, for this type of structure shall I treat it as an open sign & Lattice Frameworks and use the Cf factors in Figure 6-22 or shall I go for the Solid free...

For IBC 2006 TABLE 1604.3 DEFLECTION LIMITS, It states the limits for (S or W), in this case do I have to consider the effect of the wind load solely on the structure or I can calculate the deflection based on the criteria: D + 0.5L + 0.7W in Design Guide 3 ?

Hello Engineers, I have a question. For a composite slab I used to design the main girder's bottom flange to be unbraced for its whole length, but one engineer told me that this is extremely conservative and secondary joists with depths around >= 1/3 depth of Girder would provide bracing for...