Deformation of soils and settlement of reference points at the zone where a caisson is sunk

The resistance offered by the soil to the cutting edge of a caisson and soil flow around the cutting edge will vary continuously during sinking. In this study, a series of 1g model tests have been carried out to investigate the load–penetration response and the soil flow mechanism in sand around the cutting edge of a circular open caisson. Full- and half-open caisson tests have been conducted considering different tapered angles of the cutting edge. The load–penetration response is investigated using the full-open caisson tests with different (a) tapered angles of the cutting edge, (b) types of penetration and (c) depths of sinking. The soil flow mechanism is investigated using the half-open caisson tests with different (a) tapered angles of the cutting edge, (b) magnitudes of penetration and (c) depths of sinking. The soil flow mechanism is evaluated using image-based deformation measurement techniques. The results of the study presented in the form of load–penetration response and soil flow mechanism are useful in addressing the interaction between the cutting edge of the caisson and soil during the sinking operation.

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Deformation of soils and settlement of reference points at the zone where a caisson is sunk

Cited by 3 publications

References 0 publications

Ground movements induced by installation of twin large diameter deeply-buried caissons: 3D numerical modeling

Ground movements induced by installation of twin large diameter deeply-buried caissons: 3D numerical modeling

A new installation technology of large diameter deeply-buried caissons: Practical application and observed performance

Experimental studies on a circular open caisson

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