## How do you calculate shear capacity bearing capacity of a bolt?

Bearing strength at bolt holes. At edges, Lc = 1.25 – hole diameter/2 = 1.25 – (3/4 + 1/16)/2 = 0.844 in. At other holes, s = 2.5 in, Lc = 2.5 – (3/4 +1/16) = 1.688 in. At edges, Lc = 1.25 – hole diameter/2 = 1.25 – (3/4 + 1/16)/2 = 0.844 in.

### What is polar moment of inertia in simple words?

Simply put, the polar moment of inertia is a shaft or beam’s resistance to being distorted by torsion, as a function of its shape. The greater the magnitude of the polar moment of inertia, the greater the torsional resistance of the object.

**What is the minimum pitch distance?**

Explanation: Pitch shall not be more than 16t or 200mm, whichever is less in tension member where t is thickness of thinner plate. Pitch shall not be more than 12t or 200mm, whichever is less in compression member, where t is thickness of thinner plate.

**How do you calculate bolt stress?**

For this reason, the tensile stress area is calculated through an empirical formula involving the nominal diameter of the fastener and the thread pitch. P = 120,000 psi x 0.3340 sq. in P = 40,080 lbs. As the fastener approaches the maximum strength of the threaded portion, it will permanently deform.

## How do you calculate the shear strength of a pin?

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- Shear Stress Equation Single Shear. Shear Stress Average = Applied Force / Area. or. Shear Stress ave.= F/( π r 2)
- Bearing Area Stress Equation for Plate and Bolt or Pin. Bt= F / (t d) Where:
- Factor of Safety. Factor of Safety = F.S = ultimate stress / allowable stress. Therefore:

### What is the strength of 20mm diameter bolt in double shear?

Strength of bolt in shear = Anbfub/(√3 x 1.25) = 156.83x400x10-3/1.25x√3 = 28.97kN. 5. What is the value of kb in nominal bearing strength for a bolt of 20mm diameter of grade 4.6? kb = minimum of (e/3d0 , p/3d0 -0.25, fub /fb, 1) = 0.5.

**How do you calculate bearing stress?**

To calculate bearing stress, divide the force over the contact area between the fastener and hole. Theoretically, it is often the simple area of the bearing surface.

**What is polar moment of inertia used for?**

Simply put, the polar moment of inertia is a shaft or beam’s resistance to being distorted by torsion, as a function of its shape. The rigidity comes from the object’s cross-sectional area only, and does not depend on its material composition or shear modulus.

## How is the polar moment of inertia calculated?

When you calculate polar moment of inertia for a bolt group or a screw group, the “area” of each bolt or screw is considered to be 1.0, with NO UNITS. That is why polar moment of inertia is in 2.

### How are moments of inertia of a bolt pattern related to?

It should be noted that this calculation is directly analogous to the calculation of the centroid of a cross section . The moments of inertia of a bolt pattern indicate the ability of the pattern to resist bending moments.

**How is the shear force of a bolt calculated?**

Shear Forces. The shear force on a bolt due to moment about the Z-axis is calculated as: where is the centroidal moment about the Z-axis and is the pattern’s polar moment of inertia. The value is the shortest distance between the bolt and the centroid and is calculated as . The shear force is then resolved into X-…

**What is the stress group for boltgrp calculator?**

‘BOLTGRP’ Program Bolt Group/Stress Analysis per AISC 9th Ed. (ASD) Bolt Data Bolt Stress Bolt Group(<=75) Bolt Group(<=25)