A concrete beam is reinforced by three steel rods placed as shown. The modulus of elasticity is 3 × 106 psi for the concrete and 29 × 106 psi for the steel. Using an allowable stress of 1342 psi for the concrete and 20 ksi for the steel, determine the largest allowable positive bending moment in the beam. 16 in. -in. diameter 8 in. 2 in. The largest allowable positive bending moment in the beam is kip-ft.

The reinforced concrete beam shown is subjected to a positive bend-ing moment of 175 kN·m. Knowing that the modulus of elasticity is 25 GPa for the concrete and 200 GPa for the steel, determine (a) the stress in the steel, (b) the maximum stress in the concrete.

A weight of 300KN is supported by a short concrete column of size 250x250mm. The column is strengthened by 4 steel bars in the corners of total cross section area 6000mm^2. If the modulus of elasticity for steel is 15 times that for concrete, find the stresses developed in steel and concrete

A rectangular concrete beam 320 mm wide and 449 mm deep is simply supported over a span of 11.75 m. the beam is reinforced with straight tendons situated 56 mm above the bottom of the beam under a prestressing force of 631 kN. Concrete weighs 23.12 kN/m3 with modulus of elasticity Ec=21,212.29 MPa. Assuming tension concrete does not crack, what is the midspan deflection due to the given loads.

A concrete slab is reinforced by 58 -in.-diameter steel rods placed on 7.5-in. centers as shown. The modulus of elasticity is 3 × 106 psi for the concrete and 29 × 106 psi for the steel. Using an allowable stress of 1400 psi for the concrete and 19.5 ksi for the steel, determine the largest bending moment in a portion of slab 1 ft wide.

A wood beam carries the loading shown in the figure. calculate the maximum bending stress (in Pa) if P = 4141 N, W = 1010 N/m, a = 1.15 m, b = 2.25 m, c = 1.2 m, L = 81 mm and h = 297 mm.

1. Calculate the moment of inertia of the section in mm . 2. Calculate the location of the neutral axis from the bottom of the beam in mm. 3. Calculate the maximum moment in the beam in kN.m. 4. Calculate the flexural stress at a section 75mm from A and 40mm from the bottom of the beam in MPa. 5. Calculate the maximum compressive flexural stress of the beam in MPa. 6. Calculate the maximum tensile flexural stress of the beam in MPa.   NOTE: Kindly answer all numbers with complete solution please. Needed ASAP.

For the following composite beam which is built up out of two wooden beams and three steel plates, what is the moment capacity of the section (Moment about Z axis)? Draw the stress profile for the section. Given :For wood : E = 15 GPa, σmax = 7.5 MPa For steel : E = 200 GPa, σmax = 150 MPa

A simply supported wood beam that is 12.9 m long carries a 30 kN concentrated load at B. The cross-sectional dimensions of the beam are b = 150 mm, d = 380 mm, a = 100 mm, and c = 35 mm. Section a–a is located at x = 2.2 m from B. (a) At section a–a, determine the magnitude of the shear stress in the beam at point H. (b) At section a–a, determine the magnitude of the shear stress in the beam at point K. (c) Determine the maximum horizontal shear stress that occurs in the beam at any location within the entire span. (d) Determine the maximum tensile bending stress that occurs in the beam at any location within the entire length.

A simply supported wood beam that is 9.0 m long carries a 30 kN concentrated load at B.  The cross-sectional dimensions of the beam are b = 140 mm, d = 420 mm, a = 105 mm, and c = 20 mm.  Section a–a is located at x = 1.5 m from B.(a) At section a–a, determine the magnitude of the shear stress in the beam at point H.(b) At section a–a, determine the magnitude of the shear stress in the beam at point K.(c) Determine the maximum horizontal shear stress that occurs in the beam at any location within the entire span.(d) Determine the maximum tensile bending stress that occurs in the beam at any location within the entire length.