Matrix Stiffness Method (Unit Displacement Formulation) - Beams Problem 1. Given: EI-10,000 kip-ft Support A is fixed 32 kips w = 3 kips/ft Support B is a roller A B C Support C is fixed Neglect axial deformations 10-10 16- (A) HAND CALCULATIONS: Analyze the beam by the Matrix Stiffness Method (Unit Displacement Formulation) Evaluate the rotation at B (ri) Use superposition to evaluate the following reactions: MA, Mc, Ay, By, and Cy.