of a beam subjected to increasing bending moments and to discover the stress distribution in the beam for both the direct and shear stresses. This was done by applying a known load to the beam and recording the deflection of the loading points. These readings were then analysed to give the axial direct strains and stresses as well as the shear strains as stresses at the sites of the strain gauges. As a result‚ the stress distribution of the beam can be calculated. The aluminium alloy beam was
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STEEL BEAM DESIGN Laterally Unrestrained Beam Dr. A Aziz Saim 2010 EC3 Unrestrained Beam 1 Non-dimensional slenderness Beam behaviour analogous to yielding/buckling of columns. M Wyfy Material yielding (in-plane bending) MEd MEd Elastic member buckling Mcr Lcr 1.0 Dr. A Aziz Saim 2010 EC3 Non-dimensional slenderness Unrestrained Beam LT 2 Lateral torsional buckling Lateral torsional buckling Lateral torsional buckling is the member buckling mode
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conducted to understand the behaviour of a simple structure with a rectangular cross-section. The test was completed succesfully although some mistakes occured between theoretical and empirical results. The second experiment consited of an unsymmetrical beam‚ of which the determination of its principal axes was made. Then the third experiment‚ shear centre‚ was conducted in order to find the shear centre. Finally‚ all the experiments were completed‚ and the objectives were met‚ even with the presence of
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_________________________________________________________________________ Keywords: Beam‚ Truss‚ Rigid Frames‚ Equilibrium‚ Determinate‚ Stable‚ Shear Force‚ Axial Force‚ Bending Moment‚ Free Body Diagram‚ Axial Force Diagram‚ Shear Force Diagram. Objectives: Students should be able to • Understand the principle of equilibrium of forces as applies to determinate structures • Construct the free-body diagram for determinate beams‚ trusses and rigid frames • Draw the bending moment‚ shear force and axial force diagrams. Reference
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(h) (i) (j) 2 2. A rectangular beam with a cross section 200 mm x 100 mm spans 6 metres and carries a uniform load of 2 kN/m. a) Calculate the reactions. b) Draw the shear force and bending moment diagrams. c) Calculate I for the cross section‚ about the axis of bending. d) Calculate the maximum compressive stress in the beam‚ and show where it occurs along the length‚ and on the cross section. e) Calculate the maximum tensile stress in the beam‚ and show where it occurs along the length
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or more points by cables extending from one or more tower is known as cable stayed bridge. The cable-stayed bridge is one of the most modern bridges. It consists of a continuous strong beam (girder) with one or more pillars or towers (pylons) in the middle Cables stretch diagonally between these pylons and the beam‚ these cables forms intermediate supports for deck and the cables are anchored in the tower rather than at the end. Most of the cable stayed bridges have been build across the navigable
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(fy) 16 Shear force diagrams – Y-direction (fZ) 17 Bending moment diagrams – x-direction (MZ) 18 Bending moment diagrams – y-direction (My) 19 Reactions (fx) 20 3.2 Running the earthquake 21 Eigenvalues 22 Shear force diagrams 23 Bending moment diagrams 24 Displacement 25 3.3 Second model – static analysis 26 Shear force diagrams – x-direction (fy) 27 Shear force diagrams – z-direction (fz) 28 Bending moment diagrams – x-direction (mz) 29 Bending moment diagrams – y-direction (my) 30 Displacement
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Experiment AM1.4--Bending moments in a simply supported beam Student name JunJie Liu Student ID 1512042 Experiment Date 24 Nov 2014 Lab group Mech 7 Introduction In this lab report we show the basic methods of measuring bending moment at the “cut” assuming only simply supported beam with point loads (showed in figure 1) and illustrate the relationship among bending moment and distance between
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UNIVERSITI TUN HUSSEIN ONN MALAYSIA Faculty of Mechanical and Manufacturing Engineering __________________________________________________________________ COURSE INFORMATION COURSE TITLE: ENGINEERING LABORATORY III (BDA 27101) TOPIC 1: TENSILE TEST 1. INTRODUCTION The tensile experiment is the most common mechanical test that reveals several important mechanical properties‚ such as: modulus of elasticity‚ yield strength‚ ultimate tensile strength‚ ductility‚ and toughness. The material
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ENGG209 Solids and Structures 2 Lecture 1 Introduction Shear Centre Dr Schleyer Overview of this lecture • • • • • • • • Lecture rules Schedule Assessment Syllabus (Sem. 1) Objectives Labs Revision Shear of open section beams Lecture Rules 1. Start promptly 2. Come prepared 3. Listen carefully 4. Behave respectfully The module (ENGG209) • • • • 15 credit module – whole session Lectures weekly: Tuesday 1.30-3pm (Sem. 1) Dr Schleyer (Sem. 1) / Prof
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