Interactive Strength Challenger

Part 2b:

The ISC Machine-Tension

Review “Tension”– Write at least three (3) sentences

about how this applies to bridges

Tension Review

ISC – Bridge Design and Testing:In your Planner, Show The Research/documentation…

1. Learn to operate the ISC by testing an aluminum specimen for compression.

2. Show the physical remains of your can that you tested and discuss the strengths and weaknesses of their physical makeup.

3. Analyze test results from ISC testing and make predictions about which metal(s) and materials to use to build a bridge today, in your Word Document.

4. Insert a screen capture (Print Screen) of the ISC program results chart in your Word Document.

ISC – Bridge Design and Testing:In your Planner, Show The Research/documentation…

1. Learn to operate the ISC by stretching metal specimens for tension.

2. Show the physical remains of your metal specimens that you tested and discuss the strengths and weaknesses of their physical makeup.

3. Analyze test results from ISC testing and make predictions about which metal(s) and materials to use to build a bridge today, in your Word Document.

4. Insert a screen capture (Print Screen) of the ISC program results chart. Save to your Word Document.

ISC - Stress Analyzer

This is the ISC Interactive Strength

Challenger

ISC – Getting Started

The ISC power switch is located on the front of the machine near the power cord.

Turn the power ON before launching the ISC control software.

ISC – Getting Started

The ISC will be controlled with the PC Control software…

It will not be controlled manually with this control box and keypad.

For Tension

Follow these guidelines:– Ask Mr. Ochs for Metal Specimens– Analyze each specimen– In your Word Document, predict which

specimen you think will be the strongest.– Test each specimen.

Be sure to take pictures of each specimen.– Record your results in your Word

Document.

Install the lower tensile

strength adaptor…

Install the upper tensile

strength adaptor…

In order to use metals in particular applications, it is sometimes necessary to know their tensile strength.

To avoid structural failure, the right metal must be used for the job. Testing various metals before you use them will help you discover which ones are strongest.

Insert the pins to secure your test specimens

Tensile Strength Test

on Brass

Now let’s measure the elasticity of several structural materials.

Example of materials may include: cold-rolled steel, stainless steel, aluminum and brass.

For Tension

Follow these guidelines: Go to the ISC icon on the desktop. Start the software.

First Launch the ISC Control

Software

Select Test then

Configure menu

Select compression

or tension

Set the force rate to

1250

Select Peak Detect

Set the test rate to 1

Last thing Click OKSelect

compression or tension

Select Material

Find the materials

properties in the TLM page

D12

Put in the proper Cross

Area

Last Select OK

Click on TEST, then, Enter Comments

Enter the material you are testing

Last Click OK

Push the DOWN arrow

If you get this message…

Exit the ISC software, and start the software again and setup again.

You can see how much longer the

broken specimen is compared to the

original size.

It began to deform at point #2 and broke at

point #4.

Notice how much it

stretched

The modulus is the slope of the red line.The specimen

began to deform at point #2 and broke at point #4.

*Without the testing equipment of today, we would never realize the exact strength of some metals.

Below point #2 the test material is in an elastic state. If you stop the test the specimen will spring back to its original size and shape.

Above point #2 the test material is in a plastic state. It is permanently deformed and weakened.

ISC – Bridge Design & Testing Tension:Requirements

1. Show the physical remains of your metal specimens that you tested and discuss the strengths and weaknesses of their physical makeup.

2. Analyze test results from ISC testing and make predictions about which metal(s) and materials to use to build a bridge today, in your Word Document.

3. Insert a screen capture (Print Screen) of the ISC program results chart to your power point in your Word Document.

4. Discuss which metal was the strongest and weakest.

5. Discuss what happens at Points 2 and 4 in the specimens graph.