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What is Plate Load Test? List the Limitations of Plate Load Test and Explain it with neat Sketch



What is Plate Load Test?
Plate load test is usually adopted to find out the Settlement and Engineering Properties of Soil such as Shear strength and Safe bearing Capacity. A plate of circular or Square in shape is placed in the bottom of the Experiment and load is applied incrementally. The Incremental load should be one fourth of the design load. By this test, settlement of load can be calculated and Load Settlement Curve and Time-Settlement Curve can be drawn.












Limitations of Plate Load Test:
(i) The Depth of Influence is Limited to certain extent
(ii) The determined bearing capacity is only for the soil that is up to 2 times of the diameter of the plate
(iii) Long time consolidation of soil can not be found out
(iv) To do this test, small amount of excavation is carried out and this may cause significant Ground Disturbance.
(v) If ground is disturbed, then the soil properties will be changed and this paves the way for wrong observation
(vi) The effect of Scale is very small

Tags: Load Test, Plate Load test, Plate loading test, Plate load test limitation, plate load test diagram, Foundation engineering important questions




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