Poroelasticity involves two stresses: The distance from the intersection point between the Mohr-Coulomb failure line and the normal stress axis is called and ----
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- If the principal stresses are of opposite signs, then failure occurs in the plane. True or false?In the state of loading as made of brittle material tensile and compression fracture values of the exposed arm, respectively. σUT=200 MPa and σUC=800 MPa and factor of safety n=4 as it is; a) First reduce the applied forces to point B, b) By determining the critical point of the critical section and stresses Calculate it and show it on the stress element. c) Calculate the diameter of the AB part according to the Coulomb criterion. Note: Neglect the effect of cutting forces.The ply stress σα was calculated for AS1/3501-6 Graphite/Epoxy laminates [0/+-45]s under load with N1=10,000 N/m and N2=N6=0. When the strength of this material is as follows, determine the stability of the laminate according to the maximum stress theory.
- An AISI 1035 CD steel tube has an OD = 45 mm and a wall thickness of 5 mm. What maximum external pressure can this tube withstand if the largest principal normal stress is not to exceed 80 % of the minimum yield strength of the material? Assume ?? = 0.What will be the minimum diameter of a steel wire, which is used to raise a load of 4000N if the stress in the rod is not to exceed 95 MN/m²?DRAW THE STRESS-STRAIN DIAGRAM AND LABEL IT PROPERLY.
- Do the principal stresses represent the maximum and minimum normal stress?-Determine the safe tensile load for bolts of M20 and M42 . Assume that the bolts are not initially stressed and take the safe tensile stręss as 2000 kg/cm" . 2- An eye bolt carries a tensile load of 2000 kg. Find the size of the bolt, if the tensile stress is not to exceed 1000 kg/cm. Also draw a neat proportioned figure for the bolt orCalculate the maximum stress in the steel ring if a copper ring with a thread diameter of 2000 mm and a thickness of 20 mm and a steel ring with an inner diameter of 2000 mm and a thickness of 10 mm are interlocked and heated to 100°C. Scale= 100 GPa, Eçelik= 200 GPa, copper= 16.106/°C, steel= 12.10-6/°C a-) 20 MPa b-) 40 MPa c-) 50MPa d-) 60 MPa e-) 30 MPa
- What is the tensile strength of the bar if the yield stress is equal to 275MPa?Two rods are connected to each other and are restrained at top and bottom. The top portion is steel with modulus of elasticity equal to 200x10^3 MPa and coefficient of thermal expansion equal to 11.7x10^-6/C, the bottom is made up of brass with modulus of elasticity equal to 105x10^3 MPa coefficient of thermal expansion equal to 20.9x10^-6/"C. The temperaturé rose to 50°C from normal condition introducing stresses in the bar. Determine the force induced in the bar. Note: Final Answer in 4 decimal places.The cylinder head of the gas engine has a dimension of a 254 mm x 450 mm. There are ten (10) bolts on the block. The explosion pressure is 14 kg/cm² and the studs are made of ordinary bolt material, with Sy = 606,760 kPa Find the stress area in in².