I have to lay 2.5 m dia steel pipe encased in concrete, 12m below GL, GWT at GL.
i have only 15 m wide flat ground in between 2 hills. base width reqd for the trench 4m. The soil medium is a combination of silty sand(SM)phi 30-35, clayey silty sand (SC) phi 26 & sandy clayey silt (CI) c-0.15 to 0.25, with SPT N values range 10 - 35.
How can I do the trench excavation under GWT?
Is sheet piling possible upto for 12 m depth trench? how much embedment into ground is required?
the site is in Munnar, kerala. Is there any indian company which can undertake the work? what will be the cost?
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