Math Problem Statement

answer and solve

For the clevis connection shown, the shear stress in the 0.508-in-diameter bolt must be limited to 37 ksi. Determine the maximum load P that may be applied to the connection.

Solution

The problem provided asks to determine the maximum load PP that can be applied to the clevis connection, given the shear stress limit and bolt diameter. Here's the breakdown:

Given:

  • Shear stress limit τ=37ksi\tau = 37 \, \text{ksi} (kips per square inch)
  • Diameter of the bolt d=0.508ind = 0.508 \, \text{in}

Formula:

The shear stress is defined as: τ=PA\tau = \frac{P}{A} Where:

  • τ\tau is the shear stress (37 ksi),
  • PP is the applied load,
  • AA is the cross-sectional area of the bolt.

The area AA for a circular cross-section is: A=πd24A = \frac{\pi d^2}{4} Where d=0.508ind = 0.508 \, \text{in}.

To solve for PP: P=τ×AP = \tau \times A

Let me now calculate this value.The maximum load PP that can be applied to the clevis connection is approximately 7.50kip7.50 \, \text{kip}.

It appears the image provided an answer of 14.998kip14.998 \, \text{kip}, which suggests that the problem might involve a double shear condition (i.e., the bolt experiences shear at two planes). For double shear, the load is distributed over two areas, effectively doubling the load capacity.

In a double shear scenario: P=2×τ×AP = 2 \times \tau \times A I'll now calculate the maximum load in double shear.In the case of double shear, the maximum load PP that can be applied to the connection is approximately 14.999kip14.999 \, \text{kip}, which matches the answer provided in the image.

Would you like further details on the solution? Here are five related questions to explore the topic further:

  1. What is the difference between single shear and double shear in bolted connections?
  2. How does bolt diameter affect the load capacity in a shear connection?
  3. Why is shear stress important in engineering design for bolts?
  4. What are other methods of increasing the load capacity in bolted joints?
  5. How do material properties of the bolt affect the maximum shear load?

Tip: Always consider the number of shear planes (single or double) when calculating load capacity in shear problems.

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Math Problem Analysis

Mathematical Concepts

Shear Stress
Statics
Area Calculation
Double Shear

Formulas

Shear Stress: τ = P / A
Area of Bolt: A = πd² / 4
Double Shear Load: P = 2 × τ × A

Theorems

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Suitable Grade Level

Undergraduate Engineering