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Summary

A short over-all picture will be given about the present boring methods in The Netherlands, for soil mechanical purposes. Special attention will be paid to the disadvantages of these methods.

To eliminate all these disadvantages, the Soil Mechanics Laboratory has developed a continuous sampling apparatus with which a sample with a length of ±20 m can be taken. The diameter of this sample is 29 mm and gives a complete, undisturbed picture of the stratification of the successive layers. To extrude highly undisturbed samples for testing in the laboratory a 66 mm diameter continuous sampler has been constructed.

Résumé

L’auteur donne en quelques mots un aperçu général des méthodes de forage actuels aux Pays-Bas pour la mécanique des sols. De l’attention spéciale est dévouée aux désavantages de ces méthodes.

Afin d’éliminer tous ces désavantages le laboratoire de la mécanique des sols à Delft a développé un appareil pour l’échantillonnage continu duquel on peut prendre des échantillons d’une longueur de 20 m et d’un diamètre de 29 mm. Ainsi on peut obtenir une image intégrale sans perturbation des couches successives. Pour l’extraction d’échantillons d’une grande précision déstiné à la recherche au laboratoire on a construit un appareil semblable d’un diamètre de 66 mm.

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Begemann, H.K.S.P. The delft continuous soilsampler. Bulletin of the International Association of Engineering Geology 10, 35–37 (1974). https://doi.org/10.1007/BF02634629

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  • DOI: https://doi.org/10.1007/BF02634629

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