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Published By Lankelma

Lankelma is the foremost contractor for onshore in-situ soil testing in the UK. An acknowledged specialist in CPT, Lankelma also offers a worldwide consultancy and training service.

A.P. van den Berg develops, designs and manufactures geotechnical and environmental soil investigation equipment for onshore and offshore applications. Specialists in CPT systems and equipment.


Gardline Geosciences offers worldwide marine geotechnics, in-house consutancy and services with marine investigations ranging from nearshore to full ocean depth (down to 3000m).

About the Author

Hans Brouwer studied civil engineering at Delft University in The Netherlands. He has worked as a part-time lecturer at Amsterdam Polytechnic and was senior partner in a structural engineering consultancy. He has written a standard textbook in Dutch about the design of building foundations. He now lives in England where he writes technical textbooks in English, hopefully to reach a bigger readership.

Chapter 1



There are many manufacturers and suppliers of CPT tools. Some
descriptions and photographs in this book are taken, with their approval,
from their websites. The addresses of the websites are given under
‘References’ at the end of the guide.

The book Cone penetration testing in geotechnical practice* is still the
best guide, in which the many chapters and examples present the
knowledge and experience that have been acquired all over the world. It
tells where to find more detailed information about ‘In-situ soil testing’.

A book like this can only be written with help from the industry. Lankelma
Limited came up with all the inside information needed. Many thanks for
all the advice given by their engineers and operators.
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