Foundation model tests
Equipment
The foundation model tests are carried out using a versatile set-up for conducting tests on models of foundation elements, developed specially for the purpose of tests on shell footings. The image describes the set-up of this test that was done by the Department of Civil Engineering in IIT Madras. A funnel and hose assembly for pouring dry sand, mounted on the vertical post, can be raised or lowered at will, permitting consistent fall of sand. The sand bed is vibro –compacted in layers using a shutter vibrator moving on a plank. The falling weight penetrometer helps to check the uniformity of compaction of the sand bed formed. The load on the footing is applied through a motorised multi-speed reversible screw jack, mounted on the upper cross-head.
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