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The bolt shear connector skills
time2012/02/29
Bolts and other types of shear connector structure, the strength of structural load and unload. Affect the strength of the bolt is one of the shear stress. When a bolt connecting two or more parts, each part on the bolt can be taught independent force, often in different directions. On the results of the opposition forces in the bolt through the connecting parts between the two bolts plane shear stress. If the high shear stress in the bolts, the bolts can break. Cut an extreme example of this is to use bolt cutters bolt. The two opposing forces blade tool to teach the bolts on a single plane, the cut-off bolts. Shear stress to determine the bolt is a simple calculation, only a few input.
This is your ruler or digital calipers
Calculator
1, using a ruler or calipers measure the shear connector of each part of the bolt assembly. Marked each thickness of T1, T2, T3, and so on.
2, the formula to calculate the shear stress τ is = F / (D * (T1 + T2)) If the bolts to connect two plates, each plate by a force (F) in the opposite direction. This load case, known as simple shear. For example, if two 1-inch thickness with a diameter of 1 inch (d) The strength bolted connections, 100 pounds per plate, τ = 50 lbs.
3, the formula to calculate the shear connector stress τ = F / (2D * (T1 + T2 + T3)) If the bolts connecting three plates, center plate has gone through a direction of force and the other two plates encountered entry into force of the other direction. This load case is considered to be a double cut, cut bolts occurred in two different aircraft. For example, if the three plate thickness of 1 inch diameter is 1 inch (four) and the bolt connection plate to withstand 100 lbs of force, then τ = 16.7 lbs.
This is your ruler or digital calipers
Calculator
1, using a ruler or calipers measure the shear connector of each part of the bolt assembly. Marked each thickness of T1, T2, T3, and so on.
2, the formula to calculate the shear stress τ is = F / (D * (T1 + T2)) If the bolts to connect two plates, each plate by a force (F) in the opposite direction. This load case, known as simple shear. For example, if two 1-inch thickness with a diameter of 1 inch (d) The strength bolted connections, 100 pounds per plate, τ = 50 lbs.
3, the formula to calculate the shear connector stress τ = F / (2D * (T1 + T2 + T3)) If the bolts connecting three plates, center plate has gone through a direction of force and the other two plates encountered entry into force of the other direction. This load case is considered to be a double cut, cut bolts occurred in two different aircraft. For example, if the three plate thickness of 1 inch diameter is 1 inch (four) and the bolt connection plate to withstand 100 lbs of force, then τ = 16.7 lbs.