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A wall footing with an RC beam (of height greater than the thickness of footing slab) will have a greater stiffness than the one without beam. As such, it will have more capacity to resist longitudinal bending of wall / footing caused by any concentrated loads, as well as in spanning over some loose pockets existing within the soil beneath. Regards.

Tell me why are you not designing it using software to take care of all the forces for design? More over in my opinion, tie beam grade beam ground beam and plinth beam are not different necessarily. They are just terms to define the type of beam. Tie beam is a beam used to tie two columns for two movememts. Vertically and horizontaly by increasing stiffness of structure there. For example column A and column B are tied.if column B settles, the tie beam will offer a resistance to its settlement by transfering force to column A. Also if column B moves horizontaly, tie beam will tie column B with column A and hence offering a frame actiom to reduce horizontal deflectiom. Tie beams may be at any level. If these are at plinth evel they are called plinth beams where it also helps in soil retaining of inner house area and offer also as support for walls. Plinth beams my also be designed as tie beams or just as plinth beams to support walls etc. Grade beam is a beam cast against earth. If below plinth there is not brick foundation and plinth is supporting wall then this plinth beam also called as grade beam. And grade beam and ground beam is same.

I meant that.

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Hi Waqar, Whats in the article is correct. I did get mine too. Almost all engineers wear it. Thanks.