Strength of Materials Lecture-1 Example 1.2 Rigid bar ABC is supported by a pin at A and axial member (1), which has a cross-sectional area of 540 mm2. The weight of rigid bar ABC can be neglected. (Note: 1 kN = 1,000 N.) > Determine the normal stress in member (1) if a load of P = 8 kN is applied at C. > If the maximum normal stress in member (1) must be limited to 50 MPa, what is the maximum load magnitude P that may be applied to the rigid bar at C? (1) 1.6 m (1) 1.6 m 22m 22m Free-body diagram of rigid bar ABC.

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Asphalt Binders and Mixtures

Asphalt binders are subsidiary products procured during the refining process of petroleum while manufacturing gasoline, diesel, and similar petroleum products. Asphalt binders are obtained from the residue that remains after the distillation of petroleum, this residue is further subjected to steam distillation and oxidation to remove the traces of gas oil present in the residue. Certain additives or modifiers are also added to asphalt binders to alter them to suit different applications.