Proceedings of the First Southern African Geotechnical Conference: 1st Edition (Hardback) book cover

Proceedings of the First Southern African Geotechnical Conference

1st Edition

Edited by S.W. Jacobsz

CRC Press

394 pages

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pub: 2016-05-17
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The First Southern African Geotechnical Conference was organised by the Geotechnical Division of the South African Institution of Civil Engineering (SAICE) under the auspices of the International Society of Soil Mechanics and Geotechnical Engineering (ISSMGE) and took place at Sun City, South Africa on 5 and 6 May 2016. More than 60 papers were received from authors in South Africa, Botswana, Kenya, Tanzania, Uganda, Algeria, Austria, France, Germany, Switzerland and the United Kingdom. They represent consulting engineers and engineering geologists, contractors, academics and product specialists. The papers were grouped into the following themes: Foundations, Mining and Tailings, Modelling and Design, Site investigation, Soil Properties and Soil Reinforcement and Slopes. The wide range of topics is considered to be thoroughly representative of the current activities of the geotechnical industry in the Southern African Region.

Table of Contents


Capacity and performance of Franki enlarged-base piles

J.H. Engelbrecht & H. Kgole

Recent use of the internally-jacked pile test in South Africa

I. Luker

The use of strain measurements along the shaft of a pile being load tested

I. Luker

Execution & engineering principles of Control Modulus Column (CMC)

K. Coghlan, C. Plomteux & J. Racinais

Ageing of driven piles in silica sands

S. Rimoy

Stiffness considerations of local wind turbine gravity foundations

B.W. Mawer & D. Kalumba

Laboratory investigation of the performance of rammed sand columns

L. Sobhee-Beetul & D. Kalumba

The Movement Of Soil Moisture Under a Government Subsidy House

D.M. Bester, P.R. Stott & E. Theron

The design and construction of drilled and flush-grouted micropiles as covered by standard in the European Union (EU)

A.Y. Kayser & A. Bartkowiak-Higgo

Vibration associated with construction of DCIS enlarged-base piles

H.N. Chang & B.D. Markides

The influence of foundation stiffness on the load distribution below strip foundations

H.E. Lemmen, E.P. Kearsley & S.W. Jacobsz

Bored piles—Cased— and Uncased—Piles or CFA—Piles, their features and limitations

W. Schwarz

Foundation engineering on highly variable ground conditions

J. Potgieter & J. Breyl

Mining & tailings

Rehabilitation design options analysis and geotechnical investigation of an abandoned coal mine

E. du Toit

Rock fall risk with analytical hierarchy process

D.J. Avutia Pr Eng

Defining geotechnical design sectors: Apparent dip analysis at Jwaneng Mine, Botswana

I.J. Basson, P.K. Creus, K. Gabanakgosi, O. Mogorosi & M. Bester

Waste dump and stockpile management

D.A. Olivier

Geotechnical characterization and modelling of the Mandena heavy mineral sand deposit

L.I. Boshoff, A.B. Bracken & F. Hees

Tailings as a hazardous waste: implications on design and construction management

J. Thuysbaert & W. Kruger

Modelling and design

Geotechnical design using SANS 10160: A comparison with current practice

B.J. Barratt & P.W. Day

Semi-probabilistic geotechnical limit state design: Salient features and implementation roadmap for Southern Africa

M. Dithinde & J.V. Retief

Reliability-based tools for quantifying risk on geotechnical projects

S.M. Gover

Neuro-genetic approach for immersed CBR index prediction

M.A. Bourouis, A. Zadjaoui & A. Djedid

Numerical modelling rapid drawdown in riverbanks

C.J. MacRobert & M. van der Haar

FEM analysis of the behaviour of a flexible retaining wall

L. Hazout & A. Bouafia

Trapdoor experiments studying cavity propagation

S.W. Jacobsz

Site investigation

Discrete element analysis of granular soil recovery in a vibrocore

S.B. Wegener & D. Kalumba

Continuous surface wave testing in UK practice

J. Rigby-Jones & C.A. Milne

A method to derive hydrogeological information from geotechnical data

G.J. Du Toit & A. Huisamen

Aiding engineering and environmental problem solving using airborne geophysics

R. van Buren & O. Dingoko

Geotechnical investigations for low volume rural access roads

P. Paige-Green

Applicable station spacing for gravity surveys in Dolomitic Terrain

A.G. A’Bear, R.W. Day & L.R. Richer

An account of tunnel support systems for soft rock mass conditions

J.E. Ongodia, D. Kalumba & H.E. Mutikanga

Soil properties

Evaluation of dispersive soils in the Western Cape, South Africa

A. Mohamed & G.N. Davis

A case study of heave due to flooding

G.A Jones, H.A.C. Meintjes, P. Aucamp & J.R. Dutchman

Use of a chilled-mirror dew-point potentiometer to determine suction in a railway formation material

L. Rorke, S. Tripathy, L. Otter, C.R.I. Clayton & W. Powrie

Variations in cohesion/friction with strain and significance in design

K. O’Brien & A. Parrock

Variability in soil properties and its consequences for design

P.R. Stott & E. Theron

The effect of sample preparation and test procedure on the evaluation of tropical red soils

G. Brink & F. Hörtkorn

Evaluation of methods to determine reference void ratios

C.J. MacRobert & L.A. Torres-Cruz

Physical modelling of changes in soil fabric using soil-salt mixtures

C.J. MacRobert & P.W. Day

Interface shear: Towards understanding the significance in geotechnical structures

G.C. Howell & A.H. Kirsten

Determination of steady state lines for non-plastic platinum tailings

J.C. Hemer, N.L.M. Mincione & L.A. Torres-Cruz

Assessment of reliability of the hydrometer by examination of sediment

P.R. Stott, P.K. Monye & E. Theron

Untreated fine sands and lateritic materials in low volume sealed roads

F. Netterberg, M.I. Pinard & P. Paige-Green

Typical strength properties of South African soils

G. Heymann

Initial consumption of stabiliser testing—quo vadis?

P. Paige-Green

Measuring the tensile strength of gold tailings

T.A.V. Gaspar & S.W. Jacobsz

Effect of hydrometer type on particle size distribution of fine grained soil

A. Kaur & G.C. Fanourakis

Falling cone test apparatus as liquid limit determination option in South Africa

B.M. Du Plessis

Soil reinforcement and slopes

Energy considerations in intense-rainfall triggered shallow landslides

G.W. Waswa & S.A. Lorentz

Analysis of a slope failure above critical infrastructure

L. Newby, R. Armstrong & G. Maphanga

Stability of an undermined quay wall in Port Elizabeth

G. Wojtowitz & J.U.H. Beyers

Investigating the effect of reinforcing fine grained soils using shredded waste plastic

A.S. Chikasha, D. Kalumba & F. Okonta

Design and construction of a mining facility over weak soil using modern geogrid technology

J. Klompmaker, A. Post & S. Westhus

Optimal geogrid reinforcement of clay liners

D.H. Marx & S.W. Jacobsz

New results of high-tensile steel meshes tested in first large scale field test application

P. Baraniak, M. Stolz, B. Schoevaerts & C. Wendeler

Effect of water on the strength behaviour of fiber reinforced soils

V. Oderah & D. Kalumba

Utilizing Geotextile Tubes to extend the life of a Tailings Storage Facility

P.J. Assinder, M. Breytenbach, J. Wiemers & F. Hörtkorn

Geogrid reinforced load transfer platforms on piles—design, practice and measurement results

C. Psiorz, L. Vollmert, S. Westhus & A. Post

Long-term experience with a geogrid-reinforced landslide stabilization

D. Alexiew, P. Assinder & A. Plankel

About the Editor

SW Jacobsz graduated with a MEng degree from the University of Pretoria in 1996 and PhD from the University of Cambridge in 2002. He then worked on the Channel Tunnel Rail Link Project in London and a UK government funded collaboration between the University of Cambridge and the Massachusetts Institute of Technology on the development of wireless displacement sensors before returning to South Africa where he worked for Jones & Wagener Consulting as geotechnical engineer. He joined the University of Pretoria in 2010 and is an associate professor in the Department of Civil Engineering. His research interests include physical modelling of geotechnical and soil-structure interaction problems in the geotechnical centrifuge.

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