A rectangular beam has the following properties: fc'=28MPa fy=270MPa b=300mm d=450mm As=4 of 36mm diameter bars Compute For: 1.) If the fc' is reduced by 50%, the difference in the magnitude of the ultimate moment capacity is Blank 1kN.m.

Problem III. From the given fixed beam at both ends, solve the following questions using constant EI. a. Reactions at A b. Reactions at B c. Slope at 6m from B in radians d. Displacement at 4m from A in mm 4kN/m 4m -6m 12kN/m

Analyze the loaded beam as shown. Be guided as follows: Solve for the reactions at supports Draw Shear and Moment Diagrams Compute for deflection at A (AA) and slope at C (0c) using Conjugate Beam Method a. b. С. 50 kN 90 kN D A C 6 m 9 m 9 m El = constant E = 70 GPa %3D I = 95 (106) mm4

150 mm 60 mn 300 nm 000 m 50 mm 5 m B 25 kNm 5 m 10 KN A beam is created by nailing 3 planks together with 2 rows of nails as shown above. The beam exhibits a pin support at A and is suspended by a cable at B. A concentrated load of 10 kN is applied at the free end while a moment of 25 kNm is applied at location B. a) Determine the second moment of area (I) of the cross-section b) Draw the free body diagram, shear force diagram, and bending moment diagram of the beam c) For the maximum shear force on your SFD, determine the maximum and minimum shear stresses at the interface between the horizontal and vertical planks d) For the maximum shear force on your SFD, Determine the shear stress at the neutral axis