Table 4. Summary of key aspects of...

Table 4.

Summary of key aspects of centrifuge testing

Test number	Sand relative density, D_r: %	Saturation condition	Pore fluid viscosity: cP	Actuator towing speed: m/h	Scaled plough velocity: m/h	Model target depth: mm	Prototype target depth: m
SR1	44	Dry	—	22	—	23	1·15
SR2	26	Dry	—	22	—	23	1·15
SR3	84	Dry	—	22	—	23	1·15
SR4	25	Dry	—	22	—	31	1·55
SR5	26	Dry	—	22	—	16	0·80
SR6	85	Dry	—	22	—	16	0·80
SR7	27	Dry	—	22	—	35	1·75
SR8	85	Dry	—	22	—	35	1·75
SR9	46	Dry	—	22	—	35	1·75
SR10	47	Dry	—	22	—	16	0·80
SR11	85	Saturated	1	48	1	35	1·75
SR12	44	Saturated	1	48	1	35	1·75
SR14	82	Saturated	1	48	1	23	1·15
SR15	84	Saturated	100	48	96	23	1·15
SR16	88	Saturated	102	47	97	35	1·75
SR17	87	Saturated	202	47	192	35	1·75
SR18	81	Saturated	204	48	195	23	1·15
SR19	47	Saturated	201	47	191	35	1·75
SR20	45	Saturated	99	48	95	35	1·75
SR21	78	Saturated	303	96^a	580	35	1·75
SR22	79	Saturated	198	96^a	382	35	1·75
SR23	81	Saturated	1	101^a	2	16	0·80

Test number	Sand relative density, D_r: %	Saturation condition	Pore fluid viscosity: cP	Actuator towing speed: m/h	Scaled plough velocity: m/h	Model target depth: mm	Prototype target depth: m
SR1	44	Dry	—	22	—	23	1·15
SR2	26	Dry	—	22	—	23	1·15
SR3	84	Dry	—	22	—	23	1·15
SR4	25	Dry	—	22	—	31	1·55
SR5	26	Dry	—	22	—	16	0·80
SR6	85	Dry	—	22	—	16	0·80
SR7	27	Dry	—	22	—	35	1·75
SR8	85	Dry	—	22	—	35	1·75
SR9	46	Dry	—	22	—	35	1·75
SR10	47	Dry	—	22	—	16	0·80
SR11	85	Saturated	1	48	1	35	1·75
SR12	44	Saturated	1	48	1	35	1·75
SR14	82	Saturated	1	48	1	23	1·15
SR15	84	Saturated	100	48	96	23	1·15
SR16	88	Saturated	102	47	97	35	1·75
SR17	87	Saturated	202	47	192	35	1·75
SR18	81	Saturated	204	48	195	23	1·15
SR19	47	Saturated	201	47	191	35	1·75
SR20	45	Saturated	99	48	95	35	1·75
SR21	78	Saturated	303	96^a	580	35	1·75
SR22	79	Saturated	198	96^a	382	35	1·75
SR23	81	Saturated	1	101^a	2	16	0·80

Tests were conducted using reduced actuator gear ratio of 1 to allow higher towing speeds

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