1996 Volume 61 Issue 486 Pages 43-51
Laboratory model tests on Dynamic Consolidation Method in a loose sand was carried out to investigate the impact load - settlement characteristics. The main conclusions are summarized as follows. (1) The dynamic settlement characteristics of the ground are shown in the impact load-settlement curve. (2) The maximum impact load is proportional to the impact velocity at the first blow. But when blow is repeated, the maximum impact load increases in spite of a fixed impact velocity. (3) The maximum impact load is equivalent to the maximum pre-load in the static loading test. (4) The soil improvement effect is governed by the maximum impact load and the number of blows.
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