Programme and registration form

International Conference on
Ground Anchorages and Anchored
Structures in Service 2007
26th and 27th November 2007 Venue: Institution of Civil Engineers, London, UK
Who should attend?
n Civil engineering consultantsn Structural engineering consultantsn Specialist geotechnical contractors
n Senior Environment Agency engineersn Senior engineers in water authoritiesn Dam owners
n Network Rail engineersn Specialists in corrosion and corrosion

monitoringn Academics in the fields of geotechnicalengineeringn Academics in the fields of non-destructive

testing

Why should you attend?
n Hear the very latest information on groundanchorages and anchored structures inservicen Benefit from the knowledge andexperiences of key international speakers
n Network with colleagues in the industry andgain knowledge and contacts for the futuren Gain valuable CPD points and advance yourcareerSponsored by

Co-sponsored by

International Conference on Ground Anchorages and Anchored Structures in Service 2007

International
Conferenceon GroundAnchorages
and Anchored
Structures in
Service 2007

Millions of ground anchorages have been installed over the
past 80 years with relatively few recorded failures.  However,as permanent anchorages in service become older, the subject
is of growing importance, particularly for anchorages installedover 30 years ago: many of which have been designed withcorrosion protection considered inadequate by today’s
standards.
Water levels reached 150-year highs in 2002 with associatedflooding across Central and Eastern Europe, so the importanceof anchored river and seawalls cannot be overemphasised.
Winter storms are now judged by the insurance industry torepresent the largest potential event loss in Europe. Elsewherein the world, the highest potential losses are associated withearthquakes and typhoons, where anchored slopes are vital inresisting landslides and rock avalanches.
Routine programmes of inspection and monitoring can extend
the service life of the anchored structures that represent key
elements of a country’s infrastructure. Where inspection
highlights unacceptable tendon corrosion or over-stressing,
the results provide early warning of the need for precautionaryor remedial measures, in order to safeguard the integrity of
the anchored structure.

This two-day conference will provide
guidelines on good practice inmaintenance testing and service
behaviour monitoring of individual
ground anchorages and anchoredIn spite of these benefits, sufficient attention is not currently
paid to routine maintenance inspections and service behaviour
monitoring. The potential consequences should not beignored.
Papers for this conference will cover a wide range of topics
including:n Inspection procedures and physical condition recorded inservicestructures. It will seek to illustrate then Service behaviour monitoring procedures and performance

performance of anchorages in practicen Dam rehabilitation

via case histories, together with recentn Rock bolts in tunnels and mines

developments in non-destructive
testing and corrosion protection.

in servicen Non-destructive integrity testingn Corrosion monitoring and corrosion protection systemsn Case histories of satisfactory performance, shortcomings

and failures in servicen Recommendations and standards of practice related toinspection and monitoring26th and 27th November 2007

Organising committee:

Technical Committee
Professor Stuart Littlejohn
University of Bradford (Chairman)

Professor Stuart Littlejohn
University of Bradford (Chairman)

Tony Barley
SBMA Ltd

Raymond Coe
Black & Veatch Ltd

Dr Donald Bruce
Geosystems L.P., USA

Mike Crilly
British Geotechnical Association

John Finnis
Dywidag Systems International
Dr Gareth JohnCAPCIS LtdJohn Graham
Keller Ground Engineering Ltd

Hiroaki Kubo
Japan Anchor Association

Roger Margerison
AMEC Group Ltd

Dr Ursula Lawrence
Engineering Group of the Geological Society of London

Dr Caeser Merrifield
Coffey Geotechnics

Yves Legendre
Bachy Soletanche, France
Paul McBarron
Austress Menard, Australia

Dr Devon MothersilleGeoserve Global Ltd

Exhibition and sponsorship opportunities
Become involved as a sponsor or exhibitor and gain a competitive edge. Opportunities available to you are:n Exhibition stand sponsorshipnnInserts in delegate packs

conference lunch sponsorship

For the above or packages tailored to meet your needs, please contact Vidya Gunapala ont +44 (0)20 7665 2310 or  e vidya.gunapala@ice.org.uk.

International Conference on Ground Anchorages and Anchored Structures in Service 2007

Programme (subject to amendment)
Monday 26th November 2007
08:30

Registration

09:20

Opening remarks by the Chairman

Investigation of ground anchors in Japanese
Expressways
Katsumi Okubo, Masaru Takemoto, NEXCO Expressway
Research Institute and Hiroshi Yamada, Nittoc Construction
Co. Ltd, Japan

Professor Stuart Littlejohn, University of Bradford

Monitoring of multi-strand ground anchors at theCity of Manchester stadium

Session One: Inspection procedures and physicalcondition recorded in service
09:30

Lee Jordan, Arup Ltd, UKA case study of inspection, integrity investigation
and repair of anchors used to stabilise slopes arounddam lake

Repeated lift-off testing of single bore multiple
anchors for dam retaining wall over a five year
periodMinoru Okuno and Takahiro Takemata, Japan Anchor
Association, Japan

Mary Ellen Bruce, geotechnica, s.a and Jesús Gómez,Schnabel Engineering, USA

Inspection of anchorages supporting waterside
structures
Devon Mothersille, Geoserve Global Ltd and Tony Barley,
Single Bore Multiple Anchor Ltd, UK

The instrumentation and performance of grout
injection bored hollow thread bar anchors

12:30

Questions and discussion

12:50

Lunch and networking

Session Three: North American Dam rehabilitation
13:50

Horst Aschenbroich, Con-Tech Systems Ltd, Canada andErnst Ischebeck, Ischebeck-Titan, Germany

Donald Bruce, Geosystems, L.P. and John Wolfhope, Freeseand Nichols, Inc, USA

Inspection, integrity investigation and repair of
30-year old anchors

Post-tensioned rehabilitation applied to hydropower
dams: continuously improving on an anchor program

Yukio Fuseya and Hiroyuki Takeda, Nittoc Co. Ltd, Japan

John Wolfhope, Freese and Nichols, Inc. Donald Bruce,
Geosystems, L.P, Gregor Forbes, Lower Colorado River
Authority and Leslie Boyd, Freese & Nichols Inc, USA

Performance and condition assessment of 30 year old
anchorages, River Clyde, Glasgow

Case histories of high capacity anchors for dams in
CanadaDevon Mothersille, Geoserve Global Ltd, Stuart Jackman,
Ritchies, and Jim Ferrier, Glasgow City Council, UK

Horst Aschenbroich, Con-Tech Systems Ltd, Canada

Some examples of the poor application of electricallyisolated prestressed ground anchors in Slovenia

The stabilization of Gilboa Dam, New York using
high capacity rock anchors: addressing service
performance issues

Iztok Klemenc and Viljem Kuhar, Slovenian National
Building and Civil Engineering Institute, Slovenia

Donald Bruce, Geosystems, L.P. Robert Kline and Kessi
Zicko, Gannett Fleming Inc, USA

Maintenance control of ground anchors constructedin Japanese Expressways

The performance of Pacoima Dam in two major
earthquakes, with and without post-tensioned
anchors

Masahiro Yoshimura, Masaru Takemoto and Kiyoyuki
Amano, NEXCO Expressway Research Institute, Japan

10:40

Questions and discussion

11:00

Morning tea and networking

Session Two: Service behaviour monitoring proceduresand performance in service
11:30

Rock anchors for North American dams: conclusions
from the national research programLong term monitoring and routine maintenance ofground anchorages at Devonport Royal Dockyard,
Plymouth UK

Mark Schultz, Shawn Jones and Jeff Howard, California
Department of Water Resources, USA

14:40

Questions and discussion

15:00

Afternoon tea and networking

Session Four: Rock bolts in tunnels and mines
15:30

Michael Whitworth, Devonport Royal Dockyard Ltd andSteve Parrish, Jacobs, UKA review of glass fibre reinforced polymer (GFRP) for
rock bolting in tunnels
Alison Littlejohn, Ramboll Whitbybird, UK

Design and construction of large rock caverns
supported by ground anchorages

A review of the performance of permanent groundanchors installed as part of the Thames Barrier
project

Kenjii Aoki, Kyoto University, Japan

Mike Turner, Applied Geotechnical Engineering Ltd andDavid Richards, Ken Rush Associates, UK

Monitoring and testing of mine anchor systems:
cases studies and applications to the civil industry

25 years monitoring of rock anchors installed forlandslide stabilisation at Nantgarw, South WalesPeter Altounyan, David Bigby and Lorraine Kent, RockMechanics Technology, UK

Hugo Wood and Peter Martin, High-Point Rendel, UK

16:00

Question and discussion

26th and 27th November 2007

Session Five: Non-destructive integrity testing
16:10

Common anchorage issues addressed by numericalmodelling

Tuesday 27th November 2007
08:45

Registration

09:15

Opening remarks by the chairman

Ana Ivanovic, Richard Neilson, Andrew Starkey and Albert
Rodger, University of Aberdeen, UK

Non-destructive testing of mine anchorages
Andrew Starkey, Richard Neilson, Ana Ivanovic and Albert
Rodger, University of Aberdeen, UK

Professor Stuart Littlejohn, University of Bradford

Session Six: Corrosion monitoring and corrosion
protection systems
09:20

Ultrasonic technique for rock bolt and rock mass
bond quality control

Durability of buried and encased ground anchorages
and structural components – requirements forcorrosivity assessment and protection to ensureservice life

Takayuki Mori, Makoto Nakajima, Kajima Corporation andTohru Tsutsui, Tsutsui Denshi Co. Ltd, Japan

Gareth John, CAPCIS Ltd. and Stuart Littlejohn, University ofBradford, UK

The development of the method of detecting theanchor tensile force to impact elastic wave

Application of linear polarisation resistancemeasurements and system modelling to corrosion
assessment of high capacity rock anchorages

Kuniyasu Tanaka, Shikoku Electric Power Co. Inc, Hidenobu
Okada, Ikata Civil & Architectural Engineering JV and
Masayasu Izakura, Shikoku Electric Power Co. Inc, Japan

Gareth John and Petra Ernst, CAPCIS Ltd, UK

Corrosion protection options for permanent groundanchorages

Development of loading apparatus and test
procedure of rapid load test for ground anchors

Chris Irvin, Dywidag-Systems International and Devon
Mothersille, Geoserve Global Ltd, UK

Tatsuro Sueyoshi, Raito Kogyo Co. Ltd. and Kazuo Tani,
Yokohama National University, Japan

17:10

Question and discussion

17:30

Close of day one

20.00

Conference dinner

Replenishment of underhead protection
Kouichi Suga, Akira Yonemura and Yoshio Iwaida, Japan
Anchor Association, Japan

Durability of ground anchors in concrete
reinforcement steel quality subject to new European
regulations
Dieter Jungwirth, Technische Universitat Munchen and
Susanne Adler, Stahlwerk Annahutte Max Aicher GmbH &Co. KG, Germany

A case study of corrosion protection effect of using
field-mixed resin as tie-back anchors’ grout material
for retaining wall and its inspection method
Chihping Kuo and Hung-Jiun Liao, National Taiwan
University of Science and Technology, Taiwan

10:30

Questions and discussion

10:50

Morning tea and networking

11:20

Durability of carbon fibre reinforced polymer (CFRP)
strand for use in high capacity ground anchors
Matthew Sentry, Abdelmalek Bouazza, Riadh Al-Mahaidi,
Monash University, Darren Loidl, Chris Bluff and Len
Carrigan, Geotech Pty Ltd, Australia

Carbon fibre reinforced polymer (CFRP) strand– grout adhesion for applications in high capacity
ground anchors
Matthew Sentry, Abdelmalek Bouazza, Riadh Al-Mahaidi,
Monash University, Darren Loidl, Chris Bluff and Len
Carrigan, Geotech Pty Ltd, Australia

International Conference on Ground Anchorages and Anchored Structures in Service 2007

Programme (subject to amendment)
Advancements in ground anchors: carbon fibre
reinforced polymer (CFRP) strands

Arduous conditions: a review of ground anchor headdesign and performance requirements (and failuresin service)

Matthew Sentry, Abdelmalek Bouazza, Riadh Al-Mahaidi,
Monash University, Darren Loidl, Chris Bluff and Len
Carrigan, Geotech Pty Ltd, Australia

Mike Turner and Garry Cooper, Applied GeotechnicalEngineering Ltd, UK

Ground anchor tendons of carbon fibre
John Hartley, Fibreforce Composites Ltd, UK

The performance of anchored slopes subjected toseismic loading

Ground anchor made of new materials applicable forhighly corrosive environments

Jiro Takemura, Tokyo Institute of Technology, Hiroaki Kubo,
Japan Anchor Association and Junichi Tamazaki, Sanshin
Corporation, Japan

Tsuyoshi Enomoto, Tokyo Rope Mfg. Co. Ltd, Toshio
Sugisaki, Sekisui Chemical Co. Ltd, Kouichi Suga, Nittoc
Construction Co. Ltd. and Tatsuro Sueyoshi, Raito Kogyo Co.
Ltd, Japan

New developments of low relaxation epoxy coatedstrand

15:00

Questions and discussion

15:20

Morning tea and networking

15:50

Rehabilitation of failing anchored retaining wall
Thomas Richards and Daniel Thome, Nicholson Construction
Company, USA

Tiger Kido, Takayuki Yamagiwa, Toshihiko Niki and
Yoshihiko Touda, Sumitomo (SEI) Steel Wire Corporation,
Japan

12:20

Questions and discussion

12:40

Lunch and networking

Predicted and observed performance of an anchoredretaining wall in granite
Abid Adekunte, Douglas Madsen, Neil Margetson, Parsons
Brinckerhoff Ltd, Ireland and Liam Quinn, Quinn Piling Ltd,UK

Freeport mine soil anchors in service

Session Seven: Case histories of satisfactory
performance, shortcomings and failures in service
13:40

Paul McBarron and Philippe Vincent, Austress Menard,
Australia

Performance of cement grout cover as sole corrosion
protection of permanent tensioned steel tendons

The design, installation and monitoring of highcapacity antiflotation bar anchors to restrain deep
basements in Dublin

Stuart Littlejohn, University of Bradford, UK

Jim Martin, Byland Engineering Ltd, UK, Philip Daynes,
Atkins China Ltd, Cathal McDonnell, Carew White Young
Green, Ireland and Martin Pedley, Cementation Foundations
Skanska Ltd, UK

The failure of an anchorage at Devonport RoyalDockyard, Plymouth; lessons learnt
Michael Whitworth, Devonport Royal Dockyard Ltd. andSteve Parrish, Jacobs, UK

Engineering shortcomings in anchor performance –The importance of high quality ground investigation
for the design of anchors in stiff clays to weak
mudstones
Tony Barley, Single Bore Multiple Anchor Ltd. and John
Judge, Corus Engineering, UK

16:50

Session Eight : Recommendations and standards forinspection, monitoring and repair
17:00

Performance of multiple anchors in difficult groundconditions for both permanent and temporary
removable usage

A new manual for ground anchor inspection,
integrity investigation and remedial measures
Hiroaki Miyatake, Takeshi Oshita, Public Works ResearchInstitute, Hiroaki Kubo and Mitsunari Takeyama, Japan
Anchor Association, Japan

Investigation of the failure of permanent anchorages
adjacent to a tidal surge barrier
Tony Barley, Single Bore Multiple Anchor Ltd, Devon
Mothersille, Geoserve Global Ltd, UK and Peter Chamley,
Arup & Partners, USA

Hung-Jiun Liao, Jianye Ching and Chia-Wei Sue, National
Taiwan University of Science and Technology, Taiwan

Engineering assessment of the grease-filled annulusof sheathed prestressing strand for use in permanent
ground anchorages
Tony Barley, Single Bore Multiple Anchor Ltd. and Devon
Mothersille, Geoserve Global Ltd, UK

Tony Barley, Single Bore Multiple Anchor Ltd. and Mark
Edwards, Keller Ground Engineering, UK

Reliability-based failure probability and resistancefactor of flush-drilled anchors in Taipei Basin

Question and discussion

Structural integrity and durability of ground anchors– general programme of research in Japan
Junichi Yamazaki, Tatsuro Sueyoshi and Nobuyuki Urakawa,Japan Anchor Association, Japan

17:20

Question and discussion

17:30

Closing remarks by the chairman

26th and 27th November 2007

Introducing our sponsors

Terms and conditions
Booking Conditions

A confirmation letter will be sent to you on receipt of your booking. If you haverequested an invoice one will be sent to you from Thomas Telford Ltd, a wholly-owned
subsidiary of the Institution of Civil Engineers. Payment must be received before theconference date. If payment is not received, delegates will be asked to guarantee
payment with a personal credit card.

Dywidag-Systems are specialist manufacturers and suppliersof geotechnical products for ground engineering applications.  
The company has specialised in the production of groundanchors for over 40 years and leads the market in the
manufacture of permanent anchors with double corrosion
protection (bar or strand), high capacity strand anchors fordams and large diameter bar anchors for uplift resistance.  
The range of ground anchors includes: Temporary andPermanent Ground Anchors with Double Corrosion Protectionin accordance with BS8081 and EN1537.  Multi-Stage GroundAnchors for weak ground and Removable Ground Anchors forinner city locations.  Other products include:  Soil Nails, SelfDrilling Hollow Bars, Micro Piles, Driven Piles, Stressing andTesting Services.
Recent projects include: Clunie Dam, Castlewood Reservoir,
Limerick Tunnel, Devonport Dockyard, Heathrow T5, Spencer
Dock Dublin, M4 Widening Wales, A2 Widening Kent,
Ballymena Slope Stabilisation, A3 Hindhead Tunnel.

Joining Instructions

Joining instructions will be issued subject to receipt of payment. We cannot be held
responsible for the non-arrival of registration information. If you have not heard fromus within 14 days of the conference date, please contact The Events Team.
Cancellations / Substitutions

Cancellations and substitutions must be made in writing. Cancellations made fourweeks before the event will be charged at 10% of the invoice total (minimum charge£75 plus VAT). Cancellations made between four weeks and two weeks will becharged at 50% of the invoice total. Cancellations made after this period will becharged the full invoice amount. However, you can send a substitute delegate at any
time. Bookings received less than two weeks before the conference date can only be
paid by credit card. Cancellations and substitutions must be made in writing. Nonattendance at the event will be considered a late cancellation and the full fee will bepayable.
It may be necessary for reasons beyond the control of the organisers to alter thecontent and the timing of the programme or the identity of the speakers. In theevent that the conference has to be cancelled you will be entitled to a full refund ofyour delegate fees. The Institution of Civil Engineers will not be responsible for the
reimbursement of any other costs incurred by potential delegates.
Liability

The Organisers do not accept responsibility for any loss of, or damage to personal
property, however, the Delegate will be responsible for damage to the property of thevenue or the Organisers caused by themselves or their guests during an event and willagree to make good or pay full restitution for the making good of any such damage.  
Personal injury or any kind of liability which may arise from the use of the venue causedby the Delegate or guests of the Delegate in any part of the venue will not be theresponsibility of the organisers.
The Delegate will agree not to bring beverages or food of any kind into the venue andnot to cause or permit the guests or invitees to do so.  In the event of this happening
the venue will require immediate recompense.

Single Bore Multiple Anchor Ltd andGeotechnical Monitoring Group Europe Ltd
SBMA Ltd is a world wide specialist in the design andinstallation of the patented anchor Systems. The Multiple
Anchors provide ultra high capacity in soils, and whererequired are Totally Removable. They are supplemented by
new Carbon Fibre Tendons and Actively Stressed Soil Nails.
SBMA Ltd and their sister Company (GMG Europe) provide
combined service to stabilise, and carry out Real Time
Monitoring of slopes or geotechnical structures.

The Japan Anchor Association was established in 1970
for the purpose of improving and promoting technology
relating to ground anchors and the conservation of land. In
Japan, about 3,600 ground anchors are installed annually forlandslide prevention, slope stabilization and reinforcementof structures.  The total length of the anchors installed eachyear is approximately 2,500km.  The JAA presently has 243
member companies.

The Organisers shall not be liable to the Delegate for any loss or damage (whether
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circumstance or events beyond the Organiser’s control including but not limited toacts of God, war, riot, strike, lock-out, trade dispute or labour disturbance, accident,
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regulation, direction or request made by a Government authority.
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may request an invoice and requests must be endorsed with either a purchase ordernumber or by an authorised signatory. For your reference our VAT registration number
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International Conference on Ground Anchorages and Anchored Structures in Service 2007
2 6 t h a n d 2 7 t h November 2007

Venue: Institution of Civil Engineers, London, UK

www.groundanchorages2007.com
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