Basement Construction methods
In the Open Standard
Andrew PearceMember for 25 years 4 months
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I am currently reviewing a project £250M with a substantial basement 250000m3 8.0m deep with the lowest 1.0m within the water-table.
The design is quite open at this time options suggested include secant pile wall, together with steel plunge columns in combination with monopile foundations.
Or Steel sheet piled wall with plunge columns to facilitate top down basement construction.
The form of construction above basement slab is structural steel columns with insitu concrete floors and insitu concrete cores.
Any planners out there with any suggestions for method, sequence, programme advantages?
regards
Andy
The design is quite open at this time options suggested include secant pile wall, together with steel plunge columns in combination with monopile foundations.
Or Steel sheet piled wall with plunge columns to facilitate top down basement construction.
The form of construction above basement slab is structural steel columns with insitu concrete floors and insitu concrete cores.
Any planners out there with any suggestions for method, sequence, programme advantages?
regards
Andy
1 reply
Oldest first- 0Keith Lam ·Generally Speaking, Basement construction with watertable problems includes:
1) Diaghram Wall with high-strenght waterproofed concrete
2) Cavity Wall with sump-pit for drain out the water at basement (mostly recommended)and the construction should be carried out stage by stage
Sequence (Diaghram Wall)
1) Setup dewatering instruments around the basement
2) Start excavation to required depth
3) Install Diaghram Wall
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