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  #1  
Old 11-19-2005, 09:52 AM
harrison harrison is offline
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Default brick testiing

My science project is to determine which sand particle used to make bricks makes the strongest brick. I need help to measure the different strengths of the bricks.
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  #2  
Old 11-20-2005, 08:08 AM
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Default Please also state your grade in your title

For us to help you effectively, we need to know what grade you're in.
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Old 11-20-2005, 10:45 AM
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Default

Quote:
Originally Posted by Mad Scientist
For us to help you effectively, we need to know what grade you're in.
6th. grade
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  #4  
Old 11-21-2005, 04:49 AM
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Default Measuring the strength of bricks

Firstly, we need to be certain what you're trying measure. Durability is quite
different from strength. As for strength, you have to be clear whether you're thinking of compressive, tensile or torsional strength. The durability of a brick does depend on the amount of weathering.

I'll assume that you're thinking of testing a brick's compressive strength.

For that, you'll just need a press to "squash" the brick. Keep applying pressure until it shatters. Record the peak pressure for that type of brick, and compare it with other types. You could get access to a machine for appyling pressure possibly from a concrete supply, as they would probably need to do their own testing to ensure that their concrete mixes are of adequate stregth.

Alternatively, you could use a hydraulic press. Be sure to wear safety goggles to avoid being hurt by flying bits of bricks.
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Old 12-21-2005, 12:17 PM
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Default

you could drop the bricks on your foot Just Kidding!
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Last edited by Mad Scientist; 12-22-2005 at 08:17 AM..
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Old 12-28-2005, 01:09 PM
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Default well

for pressure u add. would it be like sudden pressure. or like pressure that's being added 2? u could use a sharp odject or a dull one 2 apply pressure onto. Is thist 4 science fair?cause if it is. i feel ur pain. u could try putting weights on top of the bricks. but that might end up bad.
p.s.
u shouldn't listen 2 me. im only in the same grade as you are.lol.
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Old 12-28-2005, 01:11 PM
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Default mad scientist

i think it's awesome how your always helping. and heres what i think. i cant really understand what ur saying most of the time. it's like in another language. some of the people aren't as smart as u r so could u try 2 keep it simple? i might be the only one who feels this way, but oh well. sry if it sounds rude but. i dont have a big vocabulary.
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Old 12-28-2005, 01:47 PM
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Red face mad sci.

i can understand what your saying, but i agree. I have noticed this when you are answering questions in the K-5 level and it is important that they can understand you.
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Old 12-29-2005, 10:42 AM
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Default lol

i cant understand much though.lol. so it's all evened out.
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  #10  
Old 01-04-2006, 02:17 PM
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Default just 4 fun

Anyone got a cool project focusing on momentum?
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