If the sag-to-span ratio is small, this curve closely approximates aĮxample 2: The cable in Fig 5(a) supports a girder which weighsġ2 kN/m.A cable subjected to its own weight will take the form of a catenary curve. ![]() The maximum tension in the cable occurs when is maximum, i. Integrating eqn5, realizing that at x= 0, Tsin= 0 we have: dT(sin) wdxo Which means that the horizontal component of force atĪny point along the cable remains constant. Where FHis the horizontal component of the cable force. Integrating eqn5 and at x=0, T is horizontal, i. Also, what is the dimension h?ĭividing each of these eqnby xand taking the limit as x0, # EXAMPLE 1: Determine the tension in each segment of The cable force and sag, hcan be determined from availableĮquilibrium equation applied to points A through D # 5-2 Cable subjected to concentrated loads Sohel 5-1 Cables Cable is perfectly flexible & inextensible Due to its flexibility, cable offers no resistance to shear or bending The force acting in the cable is always tangent to the cable at points along its length To analyze the internal forces in arch structuresĭr. ![]() To analyze the forces and study the geometry of cables supporting loads Text book: Structural Analysis 7 thEdition ![]() Cables & Arches Topics Cables Cables subjected to Concentrated & distributed Loads Arches and Three-hinged Arch Solved examples and tutorials
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