Using ferromagnetism in reinforced concrete

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SUMMARY

This discussion explores the potential of using ferromagnetic particles in reinforced concrete to enhance the adherence between structural steel and concrete. The idea posits that magnetizing the structural steel while the concrete is still in a liquid state could improve the bonding strength. Although magnetic forces are relatively weak compared to the overall structural strength of concrete, the concept suggests that these forces may assist in the initial adherence process before the concrete hardens. The feasibility of this approach remains uncertain, but it presents an intriguing avenue for further investigation in civil engineering.

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  • Understanding of reinforced concrete design principles
  • Knowledge of ferromagnetism and its properties
  • Familiarity with concrete mixing techniques
  • Basic principles of structural engineering
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  • Research the effects of ferromagnetic materials on concrete properties
  • Investigate methods for magnetizing structural steel
  • Explore advanced concrete mixing techniques for enhanced bonding
  • Study the mechanical properties of reinforced concrete with additives
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Civil engineering students, structural engineers, materials scientists, and professionals interested in innovative concrete applications.

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Hey there,

I am currently majoring in civil engineering. A while ago when I was wondering about ferromagnetism an idea occurred to me:

In reinforced concrete design adherence between structural steel and concrete is a very important feature. Simply, if we could enhance the adherence, this would lead an increase in strenght.

My idea is, what if we add ferromagnetic particles to the concrete mixture and somehow magnetise the structural steel while the concrete is still in a liquid form. Is this possible? Do you think this would enhance the adherence between steel and the concrete? Or else what do you think would happen?
 
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Magnetic forces are tiny compared to the structural strength of reinforced concrete and its components.
 
mfb said:
Magnetic forces are tiny compared to the structural strength of reinforced concrete and its components.

Of course they are, when the concrete gets hardened the forces generated by magnetism would be negligable. But before the concrete gets hardened, when it's still in a liquid form wouldn't those magnetic forces help the concrete to better converge with the structural steel, ultimately increasing the adherence after the concrete gets hardened?
 
Ah, that way.
Would surprise me, but I cannot rule it out.
 

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