Determination of the mechanical properties of mortar specimens (w/c/s=0.485/1.0/2.75) subjected to uniaxial compression according to the ASTM C349-18. ➤ Create a graph in excel for: 1. Load (kN) - Deflection (mm) 2. Stress (MPa) – Strain (mm/mm) h=80 mm - _d=40 mm_ ➤ For the graphs, calculate the parameters using the experimental data: 1. Compressive strength (MPa) 2. Young's Modulus (GPa): Secant Modulus Chord Modulus Tangent Modulus Dynamic Modulus Use: Where: PA b=40 mm 3 ΔΙ Lo • Where: ε = strain (mm/mm) Al Deflection (mm) Lo = Height of cylinder • σ = stress (MPa) P = Load (N) • • A = Cross sectional area of the cylinder (л.d²/4), (d is the diameter, л=3.14) The Load-Deflection data is included in the attached (Data)
Determination of the mechanical properties of mortar specimens (w/c/s=0.485/1.0/2.75) subjected to uniaxial compression according to the ASTM C349-18. ➤ Create a graph in excel for: 1. Load (kN) - Deflection (mm) 2. Stress (MPa) – Strain (mm/mm) h=80 mm - _d=40 mm_ ➤ For the graphs, calculate the parameters using the experimental data: 1. Compressive strength (MPa) 2. Young's Modulus (GPa): Secant Modulus Chord Modulus Tangent Modulus Dynamic Modulus Use: Where: PA b=40 mm 3 ΔΙ Lo • Where: ε = strain (mm/mm) Al Deflection (mm) Lo = Height of cylinder • σ = stress (MPa) P = Load (N) • • A = Cross sectional area of the cylinder (л.d²/4), (d is the diameter, л=3.14) The Load-Deflection data is included in the attached (Data)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
| Load (N) | Deflection (mm) | |
| 0 | 0 | |
| 4.903034 | 0.000346 | |
| 11.416539 | 0.000802 | |
| 18.337648 | 0.001251 | |
| 25.050375 | 0.001727 | |
| 29.707962 | 0.002173 | |
| 31.75 | 0.002634 | |
| 29.888114 | 0.003094 | |
Transcribed Image Text:Determination of the mechanical properties of mortar specimens (w/c/s=0.485/1.0/2.75) subjected to
uniaxial compression according to the ASTM C349-18.
➤ Create a graph in excel for:
1. Load (kN) - Deflection (mm)
2. Stress (MPa) – Strain (mm/mm)
h=80 mm
-
_d=40 mm_
➤ For the graphs, calculate the parameters
using the experimental data:
1. Compressive strength (MPa)
2. Young's Modulus (GPa):
Secant Modulus
Chord Modulus
Tangent Modulus
Dynamic Modulus
Use:
Where:
PA
b=40 mm
3
ΔΙ
Lo
•
Where:
ε = strain (mm/mm)
Al Deflection (mm)
Lo = Height of cylinder
•
σ = stress (MPa)
P = Load (N)
•
•
A = Cross sectional area of the cylinder (л.d²/4),
(d is the diameter, л=3.14)
The Load-Deflection data is included in the attached (Data)
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