Pre-size and calculate the forces as well as their location to check slip stability and reinforcement. From a reinforced concrete abutment of 8.00 m. height for resistance state 1(n=1.05) with fixed support for the following conditions: Light: 18.00 m Height of Main Beams: 1.30m Width of main beams: 0.40m Space Beam (S): 2.20 m. center to center No. of beams: 4.00 un. Slab thickness: 0.20m. Road width: 8.00m. Sidewalks on each side: 0.75m. Dist. axis of support to Ext. of beams: 0.25m. Expansion Joint: 0.05 m. Support plate thickness: 0.05m. Asphalt layer thickness: 0.05m. Highway pumping: 2.00% Overload: HL-93 Impact: 33% Admissible pressure: 2.50 kg/cm2 ang. internal friction flat fill(): 25 =0/2 Coef. Friction: 0.5 Filling Esp. Weight (ys): 1800 kg/m3 Cyclopean Concrete Spec. Weight (yc): 2500 kg/m3 D (dead load): 30 tn/beam (assume the 4 equal beams) L (live load): 25tn/beam (assume the 4 equal beams) a. Draw the section well bounded b. In graph locate and calculate the type of loads with your lever arm c. Define load combinations d. Verify the stability conditions, proposing if necessary the necessary adjustments, present final design and. Calculate the reinforcement and propose a scheme of its distribution by means of a sketch.