In the ultrasound test performed in the axial direction on a 75x75x285 mm edge concrete prism weighing 850 g, it was measured that the sound passed through the 285 mm length in 78 microseconds. It was determined that a sample made of the aforementioned concrete made a unit shortening of 7.4x10-4 under 200 kgf/cm2 tension. The f - ε behavior of concrete is represented by the SMITH-YOUNG function. Calculate the possible compressive strength of the concrete in question. (Take the value of e as 2.71.) V= ?km/s δ= ? kg/dm³ E= ?kgf/cm² ε0= ?. x10-3 fc= kgf/cm² = MPa ?
In the ultrasound test performed in the axial direction on a 75x75x285 mm edge concrete prism weighing 850 g, it was measured that the sound passed through the 285 mm length in 78 microseconds. It was determined that a sample made of the aforementioned concrete made a unit shortening of 7.4x10-4 under 200 kgf/cm2 tension. The f - ε behavior of concrete is represented by the SMITH-YOUNG function. Calculate the possible compressive strength of the concrete in question. (Take the value of e as 2.71.) V= ?km/s δ= ? kg/dm³ E= ?kgf/cm² ε0= ?. x10-3 fc= kgf/cm² = MPa ?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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In the ultrasound test performed in the axial direction on a 75x75x285 mm edge concrete prism weighing 850 g, it was measured that the sound passed through the 285 mm length in 78 microseconds. It was determined that a sample made of the aforementioned concrete made a unit shortening of 7.4x10-4 under 200 kgf/cm2 tension. The f - ε behavior of concrete is represented by the SMITH-YOUNG function. Calculate the possible compressive strength of the concrete in question. (Take the value of e as 2.71.)
V= ?km/s
δ= ? kg/dm³
E= ?kgf/cm²
ε0= ?. x10-3
fc= kgf/cm² = MPa ?
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