The British Geotechnical Association (BGA) is the principal
association for geotechnical engineers in the United Kingdom.

Welcome to the British Geotechnical Association

Welcome to the British Geotechnical Association (BGA). We are the principal association for geotechnical engineers in the United Kingdom. We also perform the role of the Ground Board for the Institution of Civil Engineers, as well as being the UK member of the International Society for Soil Mechanics & Geotechnical Engineering (ISSMGE) and the International Society for Rock Mechanics and Rock Engineering (ISRM).

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Upcoming Events

BGA Early Career Group Meetings
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BGA ECG / NAFEMS COGAN technical webinar: Strength reduction technique for slopes with finite element methods

Speaker: Professor H. F. Schweiger (TU Graz)

Summary: Although limit equilibrium analyses currently dominate in practical geotechnical engineering to obtain factors of safety of natural and cut slopes, the finite element method is increasingly being used to calculate ultimate limit states and consequently factors of safety, usually by means of the so-called “strength reduction” technique. In many cases results obtained from the strength reduction approach are comparable to the those obtained with limit equilibrium methods, but in some cases significant differences are observed. By comparison with rigorous limit analyses, it is at first demonstrated that the strength reduction method is a reliable method for analysing failure of slopes. Secondly, it is shown that finite element analyses are superior to limit equilibrium analyses in assessing ultimate limit state conditions. Finally some guidelines for performing strength reduction analyses are given.

  • 25.01.2022
  • 17:30 - 19:00
  • Online
  • Event Type: BGA Early Career Group Meetings
Yorkshire Geotechnical Group (ICE)
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Yorkshire Geotechnical Group - Debris Flow Risk to Linear Transport and its Reduction

Mike Winter will present a wide-ranging view of hazard and risk assessment of debris flow events.

  • 08.02.2022
  • 18:00 - 19:30
  • Online event
  • Event Type: Yorkshire Geotechnical Group (ICE)

Latest Tweets from @BritishGeotech

"Call for Submissions for BGA Medal 2021 - Deadline 31 January. Awarded annually to a paper written by a BGA member (or members) for “meritorious contributions to geotechnical science or practice' "

Jan 20

"RT : John Mitchell Lecture: Groundwater problems ‘you cannot analyse your way out of’

John Mitchell Lecturer wen…"

Jan 20

"Ground Engineering’s January/February 2022 issue is available online - Online access to Ground Engineering (GE) is included in BGA subscriptions "

Jan 19

"8 February 2022: On-line event: The Engineering Geology of the Thames Tideway Tunnel and its Effects on Construction Performance by Dr Tim Newman. Free to attend - advance registration required "

Jan 19

Latest News

Ground Engineering’s January/February 2022 issue is available online

  • 19.01.2022

Ground Engineering’s January/February 2022 issue is available online. Online access to Ground Engineering (GE) is included in BGA subscriptions.

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ISSMGE News & Information Circular - January 2022

  • 16.01.2022

ISSMGE News & Information Circular - January 2022

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Breaking Ground Podcast – Roni Savage, Jomas Associates

  • 10.01.2022

The latest episode of the Breaking Ground podcast is now available, featuring Roni Savage, Managing Director of Jomas Associates.

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Call for Submissions for BGA Masters Dissertation Prize 2021

  • 12.12.2021

The British Geotechnical Association (BGA) invites submissions for the 2021 Masters Dissertation Prize.

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Call for Submissions for BGA Medal 2021

  • 12.12.2021

The BGA is calling for submissions for the BGA Medal, which is awarded annually to a paper written by a BGA member (or members) for “meritorious contributions to geotechnical science or practice”

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The BGA is rolling out access to it Members Area

  • 28.11.2021

The BGA is rolling out access to its Members Area

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Our Corporate Members and Committee Member Organisations

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