Calculation: T = (2Pmax)/(TtLd) Where: T= splitting tensile strength, psi (MPa) Pmax = maximum applied load, Ib-force (N) L = length, in. (mm) d = diameter, in. (mm) Tabulated Data and Result L= 300mm, d = 150mm Sample No. P (N) T (MPa) 1 200000 2 220000 3 210000

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Calculation:
T = (2Pmax)/(TtLd)
Where:
T= splitting tensile strength, psi (MPa)
Pmax = maximum applied load, Ib-force (N)
L = length, in. (mm)
d = diameter, in. (mm)
Tabulated Data and Result
L= 300mm, d = 150mm
Sample No.
P (N)
T (MPa)
1
200000
2
220000
3
210000
Transcribed Image Text:Calculation: T = (2Pmax)/(TtLd) Where: T= splitting tensile strength, psi (MPa) Pmax = maximum applied load, Ib-force (N) L = length, in. (mm) d = diameter, in. (mm) Tabulated Data and Result L= 300mm, d = 150mm Sample No. P (N) T (MPa) 1 200000 2 220000 3 210000
Procedure:
1. Measure the dimension of the cylinder. Determine the diameter of the specimen to the
nearest 0.01 in (0.25 mm) by averaging three diameters measured near the ends and
the middle of the specimen and lying in the plane containing the lines marked on the
two ends.
2. Determine the length of the specimen to the nearest 0.1 inch (2.5 mm) by averaging at
least two length measurements taken in the plane containing the lines marked on the
two ends.
3. Center one of the plywood strips along the center of the lower bearing block of the
testing machine. Place the cylinder on the plywood strip and align so that the lines
marked on the ends of the specimen are vertical and centered over the plywood strip.
4. Place the second plywood strip lengthwise on the cylinder and place a 2" x 2" x 14 steel
bar over the plywood strip.
5. Lower the upper loading head until the assembly is secured in the machine.
6. Apply the compressive load slowly and continuously until failure. The rate at which the
specimen should be loaded is 100 to 200 psi (690 to 1380kPa) per minute.
7. Record the maximum load applied, the type of failure and appearance of the concrete
specimen.
Transcribed Image Text:Procedure: 1. Measure the dimension of the cylinder. Determine the diameter of the specimen to the nearest 0.01 in (0.25 mm) by averaging three diameters measured near the ends and the middle of the specimen and lying in the plane containing the lines marked on the two ends. 2. Determine the length of the specimen to the nearest 0.1 inch (2.5 mm) by averaging at least two length measurements taken in the plane containing the lines marked on the two ends. 3. Center one of the plywood strips along the center of the lower bearing block of the testing machine. Place the cylinder on the plywood strip and align so that the lines marked on the ends of the specimen are vertical and centered over the plywood strip. 4. Place the second plywood strip lengthwise on the cylinder and place a 2" x 2" x 14 steel bar over the plywood strip. 5. Lower the upper loading head until the assembly is secured in the machine. 6. Apply the compressive load slowly and continuously until failure. The rate at which the specimen should be loaded is 100 to 200 psi (690 to 1380kPa) per minute. 7. Record the maximum load applied, the type of failure and appearance of the concrete specimen.
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