John Davis EurGeol CGeol MSc DIC - Geotechnical Consulting Group

Photo of John Davis

John was seconded to the Chief Engineers Group within Crossrail from Geotechnical Consulting Group LLP from 2009 until July 2016.

Within the Chief Engineers Group John was responsible for all Crossrail geotechnical matters east of Farringdon. Whilst at Crossrail John was also closely involved with the production of Geotechnical Baseline Reports for all the major Civils contracts. Prior to Crossrail John spent 20+ years as a geotechnical designer working on a diverse range of structures across the world, these included deep basements, embankments, tunnels, slopes and retaining walls. John was seconded to London Underground for a couple of years in the mid 90’s where he led a research programme on the impact of rising groundwater on the tube network.

http://www.gcg.co.uk

Summary
Publication Date
The transport and beneficial re-use of Crossrail excavated material
The transport and beneficial re-use of Crossrail excavated material

This paper is a version of a paper presented at a conference held by the Italian Tunnelling Society in Verona in May 2014[1]. As such it...

07/09/2015
Figure 1. Geological section along southeast branch of the Crossrail tunnel alignment
The Geology and Geotechnical Properties of the Thanet Sand Formation – an Update from the Crossrail Project.

Crossrail will provide a high frequency, high capacity train service serving 40 stations and linking Reading and Heathrow to Shenfield and Abbey Wo...

07/09/2015
A Geology of London for Tunnellers and Engineers
A Geology of London for Tunnellers and Engineers

The idea for this short paper arose from the views and encouragement of colleagues working on the Crossrail Project. The geological sequences under...

31/08/2016
Crossrail Tunnel Cross Passages – Construction methods and geology
Crossrail Tunnel Cross Passages – Construction methods and geology

19 cross passages have been constructed between the two Crossrail running tunnels. Information about the geological conditions, the form of constru...

27/09/2016
Crossrail Tunnel Boring Machine launch and reception arrangements
Crossrail Tunnel Boring Machine launch and reception arrangements

This report sets out the geological conditions at each Crossrail TBM launch or reception location and summarises any ground treatment and/or dewate...

31/10/2016
Crossrail Dewatering Works Close-out Report
Crossrail Dewatering Works Close-out Report

Temporary dewatering was necessary at some Station, Portal, Shaft and Cross Passage construction sites to ensure ground stability, to control inflo...

14/03/2017
Crossrail Geological Long Section: Post-Construction Update
Crossrail Geological Long Section: Post-Construction Update

The links provide access to two documents produced by GCG for Crossrail; a geological long section along the Crossrail alignment in London; and a r...

14/03/2017
Crossrail’s Experience of Geotechnical Baseline Reports
Crossrail’s Experience of Geotechnical Baseline Reports

This document sets out to record Crossrail’s experience of the use of Geotechnical Baseline Reports (GBRs) in its construction contracts. In read...

30/09/2017
Crossrail’s Experience of Geotechnical Baseline Reports – A Client’s Perspective – Presentation
Crossrail’s Experience of Geotechnical Baseline Reports – A Client’s Perspective – Presentation

This recorded presentation describes Crossrail’s experience of GBRs from the client’s perspective. It covers why Crossrail adopted GBRs, where ...

17/05/2018
Tunnelling out of a drift filled hollow under Moorgate
Tunnelling out of a drift filled hollow under Moorgate

A suspected and previously unknown Drift Filled Hollow (DFH) was tentatively identified during the site investigation works for the Crossrail proje...

09/07/2018