Quasi-Static Testing Essay

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2 Quasi-static testing (Lateral compression test) The quasi-static testing was performed at Structure and Material lab II of University Technical Malaysia Malacca. These tests were done using an INSTRON model 5585 with a 150kN capacity of load cell. The cross-head speed was set at 2mm/minute, 5mm/minute, 10mm/minute, 15mm/minute, 20mm/minute. The specimen was placed on the stationary lower platen and it must be centered so that the load was effectively crushing the ring. The cross-head was then lowered until the upper platen was just touching the specimen. Using the software provided, and then balance load step was done to make sure that when the cross-head starting to crush the ring it is started from approximately 0N. The cross-head was then set into motion and the load and cross-head displacement were recorded from each test. Figure 3.3: Compression Testing Machine Objective 1. To obtain the relationship between compression load and compressive displacement. 2. To determine the elastic limit and plastic deformation when different compressive force apply on the circular rings. Procedure 1. Computer and Universal Testing Machine (UTM) were turned on. 2. Key in data into the “bluehill” software and save the parameter setting. 3. Maximum load was set as 150 kN. 4. Velocity or loading rate as 2mm/min, 5mm/min, 10mm/min, 15mm/min, 20mm/min. 5. Specimen placed on the Universal Testing Machine (UTM) between the rigid plates. 6. Adjust the rigid plate by using the Universal Testing Machine (UTM) controller. 7. Pre-load was act on the specimen, so that circular ring was fit in between the rigid plates. 8. “Start” button was press. And the rigid plate will start to compress the circular ring. 9. Pictures were taken. 10. Repeat the step 5 to step 8 by using a same dimension of circular ring. 11. Result printed and file “.raw” was saving for
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