... boxcore and piston samphng in the very soft and soft shallow soils and pushed thin wall samphng in the deeper firm clays. Seabed and downhole Piezocone Penetrometer Tests (PCPT's) and seabedJdownhole in-situ vane teshng were also performed. Strength index tests were carned out on all clays. Unconsolidated...

...Offshore Slte Investlgatzon and Foundatron Behavlour '98 O SUT 1998 IMPROVED SEABED STRENGTH PROFILING . USING T-BAR PENETROMETER M.F. RANDOLPH" ', P.A HEFER' , J.M. GEISE~, P.G. WATSON~ ' Advanced Geomechamcs Fugro Engneers B.V. The University 4 Leura Street 10 Veurse Achterweg of Western Austraha...

..., in whch the dlameter, slurt length, sod-structure adhesion and inchnation of loading were varied, are presented. The soil was assumed to Offshore Site Investigation and Foundation Behaviour '98 O SUT 1998 be an isotropic soft clay with an undramed shear strength increasing with depth. Thls study forms...

... temporary support to the sides. Ploughs work most effectively in sand and clays giving good performance rates with minimal maintenance time. Their capability in rocks is highly dependant on fracture spacing and strength. While there is little experience of ploughing in rock, on most projects on which rock...

... designers workmg in the wave splash zone, in the authors' expenence this important effect has on many occasions been overlooked by pipehne foundahon designers and the writers of pipehne design software. ProviQng the soil has sufficient strength to resist this net upwards force then even a hght pipeline...