For heavy marine constructions and deep foundation applications the piling wall often requires a very high bearing capacity and stiffness. Where a regular sheet pile wall is not sufficient, a combi wall system may be exactly what is needed to achieve the required properties.
PIPE PILES & SHEET PILES
Connectors are welded to the pipe piles to make the pipes connect with the sheet pile interlocks. Usually the pipes are driven first. By using a framework during the pipe installation there a better wall alignment and it’s easier to get the exact spacing between each pipe to allow the intermediate sheet pile section fit right between 2 pipes. A variety of different pipes and sheet piles can be used to reach the minimum required wall strength.
HZ KING PILE & SHEET PILES
Instead of using pipe piles, a combi wall design may specify wide flange king piles with sheet piles. The king piles are also equipped with sheet piles interlocks to make them compatible. Where the size of a pipe sometimes may be too large to install, a wide flange king pile can stay relatively compact and drivable while still meeting the required wall properties.
H-PILE WALL or PIPE PILE WALL
Extremely high wall strengths and stiffness can be reached by using only pipe piles or only wide flange beams. This kind of wall requires a lot of welding of connectors and it is only applied in very specific situations. High wall strengths are particularly required when there is a big difference in soil or water elevation on each side of the wall.
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