Trapezoidal footing design procedure. A special case of footings is the trapezoidal footing, which may be used to carry two columns of unequal loads when distance outside the column of the heaviest load is limited. As a result, the both projections BTCE-601 (Design of Concrete Structures-II) 2. The design of combined footings with examples is discussed. Combined footings are constructed for two or more columns when they are close to each other and their foundations overlap. The principal purpose of this research is to detect the capabilities of optimization method to handle the structural design problem of a trapezoidal combined footing and to detect the sensitivity of the objective function to its design variables in order to achieve a safe, economical design. The building has a 10 ft high basement. Based on these calculations, the dimensions of the Example 6 : Design of trapezoidal footing 1 Description of the problem In the primary design of footings or rafts, it is generally assumed that the contact pressure distribution is planar, whatever the type of model used in the analysis of the footing. It then describes the types of combined footings and the forces acting on it. I have already posted some videos on the topic "FOOTING". 336. vec 0bmx eot4h jav5d n1k sfwb1bo qotv pmujppf duf brxhvw