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Hello Sir Thank you sir Now I understood, Actually my doubt is that, if there is no load in between the footing and the structure is small and soil have sufficient bearing capacity, then why we we are design the tie beam too?? In all references, if the actual bearing pressure is nearer to the safe bearing capacity then there will be a chances of settlement, to avoid this settlement we can use some geotechnical method and we can design the suitable tie beam. As per this reference book, the sliding against footing and settlement calculation both are safe, but still client saying that to design the tie beam cause the sliding check is fail. That's why am trying to prove this calculation is correct or not.

Hello Sir Thank you for your great support. Yes I did the settlement calculation based on the applied load. Am using one foundation design manual as per British code. Here Am attaching that book. Structural foundation designer's manual - W.G CURTIN, G.SHAW, G.I PARKINSON & J.M.GOLDING revised by N.J.SEWARD. Please suggest me some solution for this. Note: The steel and concrete both design are based on BS codes.

Hello Sir Thanks for your kind replay. Node 1 V =28.055kN Node 2 V = 12.22kN H= 3.5kN H= -1.52kN Node 5 V = 24.9kN Node 6 V =2.756kN H= -4.47kN H =0.186kN Node 9 V = 14.72kN Node 10 V = 12.61kN H= 3.718kN H =-2.59kN These are the STAAD results, based on this i made settlement calculation as well as sliding check. Here by I attached that calculation. This structure is covering by a sand trap louver on 3 sides only and no roof. FYI.pdf

Hello Sir I have problem with this tie beam. will you please explain that in which situation we are going for a tie beam?? Actually i have designed one small steel framed structure (4m width, 11m(4.5+6.5) length , 3m height) structure size 1.2m x 1.2 m x02.m isolated footing pad size 0.25x0.25x0.8m pedestal for footing Max reaction load at two adjacent footing is 39.27kn and 34.85kn(factored) so i have total 6 footings as per this size, so is there any necessary to design the tie beam too?? Am using BS code for whole design.