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 240
... caisson gates . Two details need to be verified : first , the provision of drainage from under the gate caisson so that no uplift can occur ; second , the connections at each side , where a sheet pile wall is usually extended well back ...
... caisson gates . Two details need to be verified : first , the provision of drainage from under the gate caisson so that no uplift can occur ; second , the connections at each side , where a sheet pile wall is usually extended well back ...
Page 251
... Caisson The next substage at the deep - water site is the con- struction of the domed roof of the base caisson . The construction of this domed roof , covering 10,000-20,000 m2 of area , covering over the 15- 30 cells , often requires ...
... Caisson The next substage at the deep - water site is the con- struction of the domed roof of the base caisson . The construction of this domed roof , covering 10,000-20,000 m2 of area , covering over the 15- 30 cells , often requires ...
Page 402
... caisson to a slight positive buoyancy . If structure does not break free , deballast one side more than the other so as to tip caisson off . Once caisson breaks free at one edge , water will enter and break all suction . Limit ...
... caisson to a slight positive buoyancy . If structure does not break free , deballast one side more than the other so as to tip caisson off . Once caisson breaks free at one edge , water will enter and break all suction . Limit ...
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