Respuesta :

Answer:

The answer is "24.5333334 MPa"

Explanation:

The flexure intensity of standard concrete is estimated approximately by increasing a pressure distribution to ([tex]\frac{2}{3}[/tex]).  

The frequency of the pressure = 20 MPa

[tex]\ Flexure \ strength = 2.3 \times (16)\times \frac{2}{3} \ MPa\\\\[/tex]

                            [tex]= 2.3 \times \frac{32}{3} \ MPa\\\\= 2.3 \times 10.6666667 \ MPa\\\\= 24.5333334 \ MPa\\\\[/tex]