Pile tip overestimated, shaft friction underestimated A pile system obtains its load-bearing capacity from a combination of the point force and the shaft friction. Current Dutch standards and guidelines historically rely too much on the point force. The shaft friction, on the other hand, is often significantly underestimated and, moreover, it is considerably disadvantaged by limiting the cone resistance. Unjustifiably, [...]
Gebr. De Koning is 125 years old. A history that has always been connected to activities on the border of land and water. For the first sources dating from around 1680 tell of the De Koning ancestors (then called Coninck or Keuning) who earned their living trading in brushwood in the area [...].
The historic Veerhaven harbor in Puttershoek is undergoing a major renovation this year. The harbor has a rich history going back to the time of the ferry services and is being substantially refurbished to make the harbor safer and more sustainable, but also to preserve the charm of this historic piece of Puttershoek for the future. A complex project that [...]
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