Tunnelling

theGeotechnica – Issue No.35 November 2014

November 2014

– Geological Section Automation – Writing for theGeotechnica this month is Gary Logan, Director of Sales at Bentley Systems, a global leader dedicated to providing architects, engineers, geospatial professionals, constructors, and owner-operators with comprehensive software solutions for sustaining infrastructure. This month Gary discusses the use of gINT during geological section automation.

– Underground Utility Detection Standardisation – Writing for theGeotechnica this month is Piers Edgell, Senior Account Manager of Landmark® Information Group, a leading provider of land, property and environmental risk data and digital mapping. Piers looks at the introduction of the new PAS 128 specification that has been introduced to standardise underground utility detection, verification and location and looks at what it means to the industry.

– Driven Precast Concrete Piles – Writing for theGeotechnica this month is Bob Handley, an Engineer in the Piling Division of Per Aarsleff (UK) Ltd, a subsidiary of Per Aarsleff A/S, one of Denmark’s leading civil engineering contractors. In this article Bob reveals more about precast piles which were previously discussed in Issue 29 of theGeotechnica, back in April of this year.

– Pre-Drilling in Tunnel Works – Our fourth article this month comes from one of our regular contributors in DAT instruments, an Italian company that specialises in the design and production of advanced foundation instruments and software. In this article DAT instruments provide details on pre-drilling in tunnelling works and what equipment is out there to make the process easier.

To view this month’s issue of theGeotechnica as a Flipbook, click here…

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theGeotechnica – Issue No.34 October 2014

October 2014

– Natural gamma logging – Writing for theGeotechnica this month is Kim Beesley, Managing Director of European Geophysical Services, a multi-disciplinary team of Geophysics, geologists and geologging engineers providing a comprehensive wire-line service for borehole geophysical logging and video surveying. In this article Kim discusses how wire-line logging tools can be used to measure physical parameters down boreholes.

– Investigating Instability – Writing for theGeotechnica this month are Martyn Brocklesby and Elizabeth Withington, Director and Senior Manager at Geotechnical Engineering. Last month Pete Reading provided details of the recent survey works carried out on the English South Coast focussing on cliff instability. This month Martyn and Liz provide a perspective on Geotechnical Engineering’s ground investigation work carried out on the affected area at Barton on Sea.

– How are you investigating your pipes and tunnels? – Writing for theGeotechnica this month is Geoff Acland, Business Manager of Arrow Geophysics Limited, a geophysical consultancy established in 2004 that provides advice on geophysical risk reduction for UK construction projects. In this, the third of a series of articles, Geoff explains the development of a specific technique for locating and investigating pipelines and tunnels at depth.

– Adaptive Oedometer Testing – In this month’s issue of theGeotechnica we have Dr Sean Rees of GDS Instruments writing the first in a series of articles for us. This month’s offering sees Dr Rees discuss the automation of oedometer testing and determination of the end of primary consolidation.

To view this month’s issue of theGeotechnica as a Flipbook, click here…

To view this month’s issue of theGeotechnica as a PDF, click here…

 

theGeotechnica – Issue No.30 May 2014

May 2014

– Maccaferri Debris Flow Barriers protect Scotland’s A83, Rest and be Thankful Pass – Writing on behalf of geotechnical specialists Maccaferri is Jeff Laverack of Holmes Media. This month Jeff writes to theGeotechnica as Maccaferri complete their debris flow barriers that have been installed to protect Scotland’s A83, Rest and Be Thankful Pass.

– Preserving Britain’s Seasides: Piling on Worthing Pier – Following on from last month’s feature on precast piles, we have another article from Chris Primett, Managing Director of Aarsleff.In this month’s article, Chris carries out a case study on Aarsleff’s work at Worthing Pier, as they use their vast experience in the marine environment to help preserve the British coastline.

– Meridian Drilling completes landmark Allana Potash Project – Writing for theGeotechnica this month on behalf of Meridian Drilling is Claire Savage of Accord PR. In this article Claire presents a case study of Meridian’s recent landmark Allana Potash Project in Ethiopia.

– The use of drilling diagraphy systems in tunnelling works – Writing for theGeotechnica for the second time is Amedeo Valoroso, CEO of DAT instruments, an Italian company that specialises in the design and production of advanced foundation instruments and software. In this article Amedeo carries out a case study on the use of drilling diagraphy systems in tunnelling works.

To view this month’s issue of theGeotechnica as a Flipbook, click here…

To view this month’s issue of theGeotechnica as a PDF, click here…