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James A. Cheney (1927 - 2019)

2 February 1927 – 22 November 2019 The following obituary is distributed by the United States Universities Council on Geotechnical Education and Research (USUCGER) James A Cheney served in the US...

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The oldest substance on Earth found in a meteorite

The oldest material on Earth was discovered in a meteorite that fell 50 years ago in Australia. The Murchison meteorite fell in Victoria State in south-eastern Australia back in 1969. The substances...

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New release of PLAXIS CONNECT Edition V20 Update 1

PLAXIS CONNECT Edition version 20.0  includes streamlined user experience, increased performance and productivity, advanced workflows, enhanced modeling capabilities, cloud enablement, and in-product...

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Geotechnical Engineering Online Library reaches 20,000+ free online publications!

We are very excited to announce that our Geotechnical Engineering Online Library now includes more than 20,000 documents in 41 different geotechnical categories! Our Geotech library provides links t...

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Taal volcano in the Philippines may erupt any time soon

According to seismologists, the Taal volcanο in the Philippines may erupt any time soon. The volcano is located about 70 kilometers south of Manila, the Philippines capital. It is the second most act...

Industry Section

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North American Keller's Companies joined together as KELLER

As of January 1, 2020, North America Keller companies Bencor, Case Atlantic, Case Foundation, Hayward Baker, HJ Foundation, Keller Canada, McKinney Drilling and Moretrench have joined together and re...

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Keller 141 Harley Street underground project

Keller UK handled the design and construction of the 141 Harley Street project in London, UK. Keller's specialist restricted access team designed and constructed a 73 linear meter secant piled retain...

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Intensive design-phase pile test program for the I-480 Valley View Bridge project near Cleveland, Ohio by GRL

The I-480 Valley View Bridge project near Cleveland, Ohio involved the construction of a third bridge structure between two existing structures. The design-build team of Walsh Construction and CH2M (...

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Keller returns to Egypt for the second phase of PVD project

Following the installation of more than 82.5 million meters of PVDs (Prefabricated Vertical Drains) in a vast industrial area near the city of Port Said in Egypt, Keller returns for the second phase...

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Get 15% off on the Plaxis Connect Edition until December 21st

By purchasing PLAXIS CONNECT Introductory Offer, until December 21st, 2019, you save 15%. With over 50 years of experience and hundreds of constitutive models, PLAXIS applications provide the support...

Editor's Pick

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Join the 2020 Geotechnical Business Directory today!

GeoWorld, with the support of the International Society for Soil Mechanics and Geotechnical Engineering (ISSMGE), is excited to prepare the publication of the 2020 Geotechnical Business Directory, th...

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Video Of The Day

Education

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Unconfined Compression Test

The Unconfined Compression Test is a laboratory test used to derive the Unconfirmed Compressive Strength (UCS) of a rock specimen. Unconfirmed Compressive Strength (UCS) stands for the maximum axia...

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A Rare Film of Karl Terzaghi featuring also Casagrande, Ruth Terzaghi, Schaffernak, and Forchheimer

Geoengineer.org is extremely pleased to make available to what is, to date, a rare film featuring Karl & Ruth Terzaghi and colleagues. The original material was provided by Prof. Bengt H. Felle...

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Photo of the 1st International Conference on Soil Mechanics and Foundation Engineering that was held in 1936 in Harvard

This is a photo of the attendees of the 1st International Conference on Soil Mechanics and Foundation Engineering that was held in 1936 in Harvard. This high-resolution photo was re-published in t...

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Guajataca Dam Spillway Failure

Contributed by: Alesandra C. Morales-Vélez (Assistant Professor, Department of Civil Engineering at UPRM). Hurricanes Irma and María were classified as category 5 hurricanes on the Saffir-Simpson hu...

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Bull’s Liver Soil

This is a video of rock flour, also known as Bull’s liver. Although it is fine grained, and is commonly confused to be clayey, it is essentially a silt, with particles of quartz grounded to small s...

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Reliability of Shallow Foundation Design Using the Standard Penetration Test

Download paper, available by permission of the publisher. Reference: Zekkos, D.P., Bray, J.D., Der Kiureghian, A. (2004), “Reliability of shallow foundation design using the standard penetration test...

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Atterberg Limits

The consistency and behavior of a clayey soil is different as are the engineering properties at varying degrees of moisture content. Thus, the boundary between each state can be defined based on a ch...

Geotechnical Companies in Korea

By Yoshi Kin, 07 Jan 2020

Simple Ways To Make Math Fun For Kids

By whitehatjr, 25 Dec 2019

geoworld ranking

By Piletest, 17 Dec 2019

Books

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2019 Geotechnical Business Directory

This unique annual business directory includes 9,000+ professionals and 700+ companies and organizations in the geotechnical engineering profession. Powered by GeoWorld, the professional network for g...

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Practical Soil Dynamics

The objective of this book is to fill some of the gaps in the existing engineering codes and standards related to soil dynamics, concerning issues in earthquake engineering and ground vibrations, by...

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Practical Guide to Green Technology for Ground Engineering

Over the last 50 years there has been rapid development of construction techniques, analytical methods and materials for use in ground engineering. One of the major techniques which has been developed...