North Morecambe Terminal, Barrow: pile design for seismic ...

North Morecambe Terminal, Barrow: pile design for seismic conditionsC. A. Raison,BEng,MSc,CEng,MICE,MASCE&Very poor ground conditions and soils thatwere susceptible to liquefaction to depthsof up to 20 m beneath the site were majorproblems for the construction of thelargest natural gas processing terminal inEurope. Foundations were required tocater for liquefaction and the need todesign for de ned magnitudes of earth-quake. An innovative foundation solutioncombining deep vibrocompaction withshort cast-in-place piles driven into thetreated soils was adopted as both cost- andprogramme-e ective. The design and buildproject included preliminary site prepara-tion and civils work comprising earth-works, drainage and road contract started in September 1991and was completed by October 1992, withthe process plant programmed to be onstream by October 1994. This paperpresents details of the unusual pile designand foundation solution proposed to over-come the earthquake : piles foundations; seismic engineeringIntroductionKeller Ground Engineering successfully bid forcivil and foundation works for the process plantat the British Gas North Morecambe Terminalsite in Barrow.

North Morecambe Terminal, Barrow: pile design for seismic conditions C. A. Raison,BEng,MSc,CEng,MICE,MASCE & Very poor ground conditions and soils that were susceptible to liquefaction to depths of up to 20 m beneath the site were major

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  North, Liquefaction, North morecambe, Morecambe

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