# Work related problem: Yield strength as well as max load

• kardai
In summary, the author is looking to determine the maximum load capacity and yield strength of a bracket that is attached to a street pole using metal bands.
kardai
TL;DR Summary
Yield Strength value as well as maximum load capacity. Need equations and possibly a break down on how to solve the issue.
Summary: Yield Strength value as well as maximum load capacity. Need equations and possibly a break down on how to solve the issue.

So let's say I have a Wooden Street pole and I want to mount a steel bracket using metal bands to the street pole. The bracket will be mounted to the beam using 4 steel bolts with washers. The bracket will have a perpendicular steel beam attached. I'm looking to measure the max load capacity the bracket can withstand as well as the yield strength at various load capacities. Analyzing the stress and areas of weaknesses. The load will be various wind speeds. Please include equations on how to determine these results.

Welcome to the PF.

Does the city know that you are going to be mounting something to one of their poles? What kind of load are you wanting to support? What will be below the load in case the support fails (people?).

russ_watters
This is a hypothetical. Nothing will be actually mounted to city poles. The load will need to take into account the beam connected to the bracket as well as high wind speed loads.

It sure sounds more than hypothetical with exactly 4 bolts.

It is also self-contradictory. It says the bracket is mounted with bolts, and that it is mounted with bands. Which is it?

If you are expecting equations so that you can plug numbers into a formula and calculate an answer on a calculator, then your understanding of mechanical analysis is not good enough.

How about you just tell us what you are trying to accomplish and see if we can help?

If it is homework, then it should be posted on a homework forum and you need to show us your work.

russ_watters
Please provide a diagram showing what you think the forces/loads/reactions might be on your purposed structure; and we will then go from there.

## 1. What is yield strength and why is it important in work related problems?

Yield strength is the amount of stress a material can withstand before it begins to deform permanently. It is an important factor in work related problems because it helps determine the maximum load a material can handle without breaking or becoming damaged.

## 2. How is yield strength measured and what units is it typically expressed in?

Yield strength is typically measured by applying a controlled amount of stress to a material and measuring the point at which it begins to deform. It is expressed in units of force per unit area, such as pounds per square inch (psi) or megapascals (MPa).

## 3. What factors can affect the yield strength of a material?

The yield strength of a material can be affected by various factors, including the type and composition of the material, its processing and treatment, and external conditions such as temperature and pressure.

## 4. How does yield strength differ from maximum load and why is it important to consider both in work related problems?

Maximum load refers to the maximum amount of stress a material can withstand before it fails completely. Yield strength, on the other hand, is the point at which the material begins to deform permanently. It is important to consider both in work related problems because they provide different information about the strength and durability of a material under different conditions.

## 5. What are some common methods for improving yield strength in materials?

There are several methods for improving yield strength in materials, including alloying (mixing with other elements), heat treatment, and cold working (deforming the material at low temperatures). Additionally, using materials with a higher inherent yield strength can also improve the overall strength of a structure or product.

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