Construction of Offshore StructuresBrings together, in a coherent body of work, state-of-the-art knowledge in the many engineering disciplines related to offshore construction. Covers the conception, planning, preparation, and execution of a wide variety of offshore structures while considering the impact of environmental conditions affecting projects, from tropical to arctic, coastal to deep sea. Also recognizes ecological, political, and social constraints as well as primary technical and economical requirements. Structures considered include offshore platforms in steel and concrete, submarine pipelines, ocean moorings, deep-water bridge piers, and submerged templates. Several hundred sketches and photographs and selected bibliography enhance its practical value. |
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Page 188
... hole somewhat larger than the drill di- ameter , enabling the pile to be driven through . A rotary drill will drill a more regular hole . In very hard rock , it may be necessary to use underreamers in order for the pile to be driven ...
... hole somewhat larger than the drill di- ameter , enabling the pile to be driven through . A rotary drill will drill a more regular hole . In very hard rock , it may be necessary to use underreamers in order for the pile to be driven ...
Page 191
... hole is drilled ahead using either direct or reverse circulation . See Figure 8.10.1 . Since the piles and hence the casings for offshore piles are usually of relatively large diameter ( e.g. , 1-2 m ) , normal direct circulation will ...
... hole is drilled ahead using either direct or reverse circulation . See Figure 8.10.1 . Since the piles and hence the casings for offshore piles are usually of relatively large diameter ( e.g. , 1-2 m ) , normal direct circulation will ...
Page 513
... hole for drilled and grouted piles may be accomplished with or without drilling mud to facilitate maintaining an open hole . Drilling mud may be detrimental to the surface of some soils . If used , consideration should be given to ...
... hole for drilled and grouted piles may be accomplished with or without drilling mud to facilitate maintaining an open hole . Drilling mud may be detrimental to the surface of some soils . If used , consideration should be given to ...
Contents
Introduction | 5 |
Physical Environmental Aspects of Offshore | 12 |
Seafloor Soils | 38 |
Copyright | |
26 other sections not shown
Common terms and phrases
anchor Arctic areas ballast base Beaufort Sea boat buoy buoyancy caisson cement concrete Condeep construction contractor Courtesy crane barge damage deck depth derrick barge developed diameter diver dredge drilling drilling mud driving dynamic effect ensure equipment fabrication Figure floating forces grout hammer heave compensator hole hydraulic hydrostatic insert pile installation jack-up jacket legs jet sled launching length lifting load lower material metacentric height method module mooring lines North Sea offshore construction offshore structures Oosterschelde operations padeyes penetration pipe pipeline placed platform plug position pressure prestressed concrete prestressing prevent procedures pull pumped reinforcing resistance riser rock sand scour seafloor shallow water shear skirts sleeves slings soil spuds stability Statfjord steel storm strength stresses submerged surface tanks temperature template tension tests tion trench tugs typical underbase underwater usually vertical vessel wave weight welding winch wind wire