Geotechnical Design and FE Analysis

Our engineers have a thorough grounding in geotechnical engineering, with extensive knowledge of real soil behaviour and experience of site investigations and geotechnical construction projects. This all helps to ensure that our numerical models simulate real ground conditions as realistically as possible.

We specify and supervise site investigations and interpret the results to obtain appropriate input parameters for soil models. We also authored the popular NAFEMS guidebook "Obtaining parameters for geotechnical analysis" and the ICE textbook "Geotechnical Finite Element Analysis".

GEOFEM staff are performing an important role in the evolution of Eurocode 7, particularly to improve its use with numerical methods, and we are experienced in the implementation of Eurocode 7’

CASE STUDIES

Old War Office redevelopment

Old War Office redevelopment

GEOFEM performed a 3D finite element analysis of the proposed basement construction to predict deflections in the Grade II* listed building and to support the structural engineers in the design of the sub-structures, piled foundations and permanent dewatering.

Geotechnical Design and FE Analysis
Whitehall, London

Barts Square Development

Barts Square Development

A 3D finite element analysis was performed of the raft foundations to two buildings in this large redevelopment to predict settlements (including critical party wall settlements) and to provide structural forces and coefficients of subgrade reaction to support structural design of the raft foundation.

Geotechnical Design and FE Analysis
London

Battersea Dogs and Cats Home

Battersea Dogs and Cats Home

A 2D finite element analysis was performed to predict the future effects of construction of the Northern Line extension on the basement to the new Tealby Building and check that the design of the basement wall accommodated these effects.

Geotechnical Design and FE Analysis
New Tealby Building

Westgate Shopping Centre redevelopment

Westgate Shopping Centre redevelopment

Finite element analyses were performed of the existing and new foundations and basements to predict ground movements in particular between existing and proposed parts of shopping centre, and to provide subgrade reaction coefficients to support structural design of the raft foundations. Groundwater flow analyses were also undertaken to support the design of the permanent basement dewatering.

Geotechnical Design and FE Analysis
Oxford

The Tower

The Tower

GEOFEM performed a large pile group settlement analysis using 3D finite element analysis to predict differential settlements between The Tower and adjacent lightweight buildings as well as those resulting from re-use of under-reamed bearing piles and loading of new straight-shafted piles during the redevelopment.

Geotechnical Design and FE Analysis
Old Street, London

Marlborough School

Marlborough School

A ground movement analysis was performed for the proposed New Marlborough School development in Chelsea, London to predict the deflection of an underlying relief sewer and to support structural design of the substructures.

Geotechnical Design and FE Analysis
Chelsea, London

Welland Bio Power

Welland Bio Power

GEOFEM performed a 3D finite element analysis of the raft foundation to a new waste gasification plant to predict its settlement and distortion due to loading and adjacent earthworks, as well as to provide coefficients of subgrade reaction to support its structural design.

Geotechnical Design and FE Analysis
Northamptonshire

Hutton Hub

Hutton Hub

GEOFEM performed a 3D finite element analysis of a raft foundation on ground conditions consisting of intact chalk and highly variable solution feature infill. This was used to predict differential settlements in the sensitive glass-panelled structure and to support the structural design of the raft.

Geotechnical Design and FE Analysis
University of Hertfordshire

Forensic investigation, basement wall collapse

Forensic investigation, basement wall collapse

GEOFEM performed an on-site forensic investigation and finite element analysis to determine the cause of collapse of a 10m high King-pile basement retaining wall adjacent to an existing building in the centre of Nicosia.

Geotechnical Design and FE Analysis
Nicosia, Cyprus

River Plate House

River Plate House

GEOFEM performed an assessment of various foundation options for a new structure to be built on the site. The aim was to reuse as many as possible of the 130 existing under-reamed piles, but the new proposed structure had a significantly different load distribution compared with the existing structure, and some changes to the basement geometry were also proposed. This all required a complex model in Plaxis 3D to be set up, simulating construction of the existing basement, piles and loading as well as its demolition and subsequent construction of the various foundation options.

Geotechnical Design and FE Analysis
London, UK

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