PENGUJIAN KUAT GESER KAYU

Summary

The transcript describes a wood shear test procedure, detailing the preparation and measurement steps. The test involves a specimen with specific dimensions, which is tested for shear strength by applying a consistent load at a rate of 0.6 mm per minute. The results are recorded and analyzed, showing variations in measurements like 55.34 mm and 50.28 mm. A graphical representation of the test results is created, and the test is concluded with the calculation of shear strength, reaching a value of 13.27. The process is shown step-by-step, with focus on the precision and consistency of the measurements.

Takeaways

• 😀 The test is conducted to evaluate the shear strength of wood using specific dimensions for the test material.
• 😀 The wood sample has the following dimensions: height of 63 mm, width of 5 mm, depth of 13 mm, and thickness of 2 mm.
• 😀 The test material is positioned in the testing apparatus, ensuring it is aligned with the back wall of the machine.
• 😀 A constant load is applied at a speed of 0.6 mm per minute throughout the test.
• 😀 Displacement measurements are taken at different stages of the test, starting from 55.34 mm.
• 😀 Additional displacement readings recorded are 50.28 mm and 49.88 mm.
• 😀 The test includes two further readings, labeled as HH1 and H2, which provide more displacement data.
• 😀 The machine reaches the predetermined end value as the load is applied and measured continuously.
• 😀 Final shear strength is calculated from the displacement values obtained during the test.
• 😀 The final result indicates a shear strength value of 13.27, which reflects the material's ability to withstand shear forces.
• 😀 After the test, the test material is removed from the machine, and the results are printed for analysis.

Q & A

What is the focus of the procedure described in the transcript?

The procedure focuses on testing the shear strength of wood, with specific measurements of a wooden sample used to assess how it responds under pressure.

What are the dimensions of the test sample mentioned in the script?

The test sample has a height of 63 mm, a width of 5 mm, a thickness of 13 mm, and an additional width measurement of 9 mm.

What is the initial step in the testing process?

The initial step involves preparing the test sample by ensuring it has the specified dimensions, as outlined in the script.

How is the testing process measured?

The testing is measured by taking readings of the wooden sample's dimensions after applying pressure. The sample's measurements include the changes in height and width.

What is the speed of the applied load during the test?

The applied load moves at a constant speed of 0.6 mm per minute during the test.

What is the purpose of the pressure testing machine mentioned?

The pressure testing machine is used to apply a constant load to the wooden sample, helping to measure how the sample deforms or reacts under stress.

What does the 'G1' value represent in the script?

The 'G1' value represents the first set of measurement results recorded during the testing, specifically the dimensions of the sample after the initial load is applied.

What do the values 49.34 mm, 50.28 mm, and 49.88 mm represent?

These values represent the recorded measurements of the wooden sample's dimensions at different stages during the test.

How is the final result of the test reported?

The final result is reported by printing the test data, including the results of the applied shear strength, which is 13.27, as noted at the end of the script.

What is the significance of the shear strength value of 13.27?

The shear strength value of 13.27 indicates the resistance of the wood to shear forces during the test, providing insight into the material's durability and performance under stress.