9789058090829

Geotechnics for Developing Africa: Proceedings of the 12th regional conference for Africa on soil mechanics and geotechnical engineering, Durban, South Africa, 25-27 October 1999

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  • ISBN13:

    9789058090829

  • ISBN10:

    9058090825

  • Edition: 1st
  • Format: Hardcover
  • Copyright: 1999-01-01
  • Publisher: CRC Press

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Summary

The proceedings represent a valuable reference on geotechnical problems peculiar to Africa and for engineering solutions to local problems. Topics covered are: Foundation engineering and lateral support; Methods of design and analysis; Monitoring, laboratory and field testing; Municipal, industrial and mining waste and environmental geotechnics; Soil improvement; Transportation geotechnics; Case studies. The proceedings are also an invaluable source of data on the properties of African soils, the properties of residual and tropical soils, as well as climate related problems.

Table of Contents

Preface
Organisation
Hydraulic stability of sanitary landfills linersp. 3
Environmental geotechnics in the new millenniump. 9
The microlysimeter technique for measuring evapotranspiration losses from a soil surfacep. 23
Biochemical clogging of drainage systems in landfillsp. 29
Contribution of chemical hardening to strength gain of fly ashp. 35
A unique approach to evaluate the utility of landfill monitoring boreholesp. 43
Material selection and structural design, construction and maintenance of ramp roads in open pit minesp. 49
Static liquefaction of Merriespruit gold tailingsp. 61
Environmental geotechnics for an outfall sewer traversing a Ramsar wetland sitep. 73
Bearing capacity of surface footings resting on treated and reinforced fly ashp. 83
Evaporation from clay soils - A laboratory studyp. 89
Penstock failures on gold tailings dams in South Africap. 95
Long-term integrity of residue depositsp. 101
Design of soil covers to reduce infiltration on rehabilitated opencast coal minesp. 109
Interface stiffness effects on settlement of column-reinforced composite groundp. 123
Recent advances in design of shallow and deep foundationsp. 131
Theoretical analysis of the behaviour of clays around a pressuremeterp. 135
The design and performance of driven-cast-in-situ piles in Dar es Salaam, Tanzaniap. 143
Un cas d'instabilite de sol de fondation: Exemple des marnes gonflantes de Rufisque, Senegalp. 151
Possibilite d'utilisation de la boue rouge de Friguia dans la constructionp. 161
Reinforcement of subsoil with sand and geotextilep. 167
A geotechnical study of 'Hippo mud' in the Durban area, South Africap. 171
Experimental and numerical investigation of soil-nailed wall structuresp. 177
Behaviour of double footings resting on cemented sand underlain by clayp. 183
Experimental study of a strip footing on collapsible soilp. 189
Model footing tests on unsaturated soilsp. 195
Friction characteristics of sand/geotextile interfaces for three selected sand materialsp. 201
Reinforced Earth structures for headwalls to crushing plants in Africap. 207
Foundations engineering with the method of soil thermal stabilization by microwave energyp. 213
Long-term behaviour of soils stabilised with lime and with cementp. 219
Proprietes physico-mecaniques des materiaux locaux utilises dans les corps de chaussee en Cote d'Ivoirep. 233
Contribution a l'etude des chaussees sur sols gonflants - Etudes de casp. 241
A brief review of chemical soil stabilisation by labour intensive methods using sulphonated petroleum productsp. 249
Quelques correlations entre essais in situ et essais de laboratoire pour certaines argiles Algeriennesp. 255
Industrial liquid wastes and the integrity of calcareous sand from Ain Helwan, Cairop. 263
Calibrating pressure cells to measure pressures in structures retaining granular solidsp. 271
Apport de la modelisation en centrifugeuse a l'analyse des pieux charges lateralementp. 277
On the determination of vane shear strength of soft soilsp. 285
Electronic geotechnical data - Formatting for the futurep. 293
Assessing the stiffness of soils and weak rocksp. 303
Geotechnical properties of Qoz soilsp. 317
Deformations permanentes sous chargements repetes de trois graveleux lateritiques du Senegal Occidentalp. 321
The determination of soil-water characteristic curves from indicator testsp. 325
Block sampling of soil: Some practical considerationsp. 331
Assessing the dispersivity of soilsp. 341
Remedial measures for slope failure of canal system - A case studyp. 347
The effect of type of reinforcement on the pullout force in reinforced soilp. 353
Mobilised swelling pressure of an expansive soilp. 359
Influence of reconsolidation stress history and strain rate on the behaviour of kaolin over a wide range of strainp. 365
The bar linear shrinkage test - More useful than we think!p. 379
Use of the Osterberg Cell for pile load evaluationp. 389
The influence of pore water salt concentration on the measurement of soil suction using the filter paper methodp. 399
A new approach to the determination of the expansiveness of soilsp. 405
A pilot investigation into the clay-sized fractions of some typical natural soilsp. 415
The use of embedded pressure cells to monitor geotechnical structuresp. 421
Evaluation of risk factor for slope stability analysisp. 429
Resistance dynamique des pieux soumis a des actions horizontalesp. 435
Analysis of progressive failure of earth slopes by finite elementsp. 443
Design and construction of the asphaltic concrete core at Ceres Damp. 451
Influence de la rotation des axes principaux des contraintes et/ou des deformations sur la rheologie des sols et des materiaux routiersp. 459
Essais de cisaillement d'un gres sur un appareillage de petite et de grande dimensionp. 467
Dynamic analyses of the new Ceres Damp. 475
Utilisation des parametres de forage pour le calcul de la capacite portante d'un pieu forep. 483
Nonlinear finite element analysis of load-deformation of soil-culvert systemsp. 489
Osmotic pressures and effective stressesp. 495
A unified theory for clays, for students and practicep. 505
The design and construction of a dynamic soil replacement foundation in Mauritiusp. 517
Liquefaction et consolidation des sols sableux sous l'action des charges dynamiquesp. 527
Grouting of dispersive dam foundationsp. 539
Geosynthetics - An alternative method of soil improvementp. 551
Geosynthetic reinforcement of soft clay under highway embankmentsp. 559
Compaction grouting-application as a method of ground improvement for construction on dolomitep. 571
Soft soil treatment using stone columnsp. 579
Behaviour of Con-Aid treated fine grained Kenyan soilsp. 583
Properties and performance of lime kiln dust for stabilisation of soft clayp. 593
Analysis of the stability of reinforced hydraulic engineeringp. 599
Impact compaction trials: Assessment of depth and degree of improvement and methods of integrity testingp. 603
Lavumisa Dam, Swaziland - Interpretation and analysis of foundation seepage and groutingp. 615
The methodology used to prove the clay reserves at Maguga Dam, Swazilandp. 623
The stratigraphy and engineering geological characteristics of collapsible residual soils on the Southern Mozambique coastal plainp. 633
Case studies on the failure mechanism of embankment dams along the outlet conduit due to massive leakagep. 647
Failure and reconstruction of a small earth dam in residual granitesp. 657
Capacity of continuous flight auger piles in the Johannesburg CBDp. 665
Performance of a high road embankment over a deep zone of peatp. 675
Author indexp. 683
Table of Contents provided by Blackwell. All Rights Reserved.

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