A series of reinforced concrete beams spaced at 7ft 10 in. on centers have a simply supported span of 15 ft. The beams support a reinforced concrete floor slab 3 in. thick. The dimension and reinforcement of the beams are shown in the following figure. Using fy = 60 ksi and f = 3 ksi, determine the design moment strength &M, of a typical interior beam. A 12" 10" 3 #14 7' 10"- 7' 0"- -7' 10"- 7' 10" 10" 3 #14 -7' 10" & -7' 0" 15' 0" 10" A 3 #14

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Methods to Determine Vertical Stress

The load applied to the soil is transferred to the underground. The presence of water at soil pores and solid grains above the soil are the primary components that are responsible for the effective load transfer. Due to the load acting, the internal component of the soil or the underground formations undergoes deformations or a tectonic shift. The amount of deformation depends upon the amount of load acting on the soil surface, which indeed, depends on the weight of everything present above the soil. Due to this, the underground soil element develops internal stresses which try to resist the tectonic changes.