3 years ago

Método de Programación lineal utilizado para resolver problemas en teoría de redes?

Engineering

1 answer:

atroni [7]3 years ago

5 0

Answer:

not sur

Explanation:

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An asphalt concrete mixture includes 94% aggregates by weight. The specific gravity of aggregate and asphalt are 2.7 and 1.0, re

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Answer:

The correct solution is "5.74%".

Explanation:

The given values are:

Gravity of aggregate,

$G_{agg}=2.7$

Gravity of asphalt,

$G_{asp}=1.0$

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$W_{agg}=0.94 \ W_m$

We know that,

$W_{asp}=W_m-W_{agg}$

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Now,

The theoretical specific gravity of mix,

⇒ $G_t=\frac{W_{agg}+W_{asp}}{\frac{W_{agg}}{G_{agg}} +\frac{W_{asp}}{G_{asp}} }$

By putting the values, we get

$=\frac{0.94 \ Wm+0.06 \ Wm}{\frac{0.94 \ Wm}{2.7} +\frac{0.06 \ Wm}{1} }$

$=2.45$

hence,

The percentage of voids will be:

⇒ %V = $\frac{G_t-G_m}{G_t}\times 100$

= $\frac{2.45-2.317}{2.45}\times 100$

= $\frac{0.133}{2.317}\times 100$

= $5.74$ (%)

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3 years ago

I don’t understand this question , help? thanks.

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Answer:

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Explanation:

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A Charpy V Notch test was conducted for an ASTM A572 Grade 50 bridge steel. The average values of the test results at four diffe

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