Table of Contents I 54

Civil Engineering April 2022 | Vol 30 No 3

FRONT COVER I
FROM THE PRESIDENT’S DESK 1
Are silos exacerbating the infrastructure maintenance backlog? 1
CONTENTS 2
ON THE COVER 4
Successful Keller basement project supports new V&A development 4
QUIZ 6
SAICE Know Your Sector Competition 6
LETTER FROM THE EDITOR 7
Patching holes, paying tolls 7
GEOTECHNICAL ENGINEERING 10
The “critical state” of our tailings dams 10
Stellenbosch University geotechnical research abstracts 17
Site investigations and road project cost overruns 17
Particle size and box dimensions in direct shear box testing 18
Limit equilibrium: method or parameters? 19
Tailings storage facility breach parameter predictions 20
Winners of distinctions granted by the Tailings Sub-Committee 22
Development of a geotechnical engineering database for South African engineers 25
INDUSTRY PERSPECTIVE 28
Effective implementation of PPPs is critical to address infrastructure deficit in Africa 28
TRENCHLESS TECHNOLOGY 29
Microtunnelling minimises disruption and ups safety in bulk sewer installation 29
PAVEMENT ENGINEERING 34
Prediction of carbonation depth during curing 34
CONSTRUCTION AND INSURANCE LAW 36
Recent influential court decisions and what they may mean for your business – Part 3 36
2022 BUDGET REFLECTIONS 39
SAICE calls for economy and capacity building 39
Top economist labels national budget “highly satisfactory” 40
SA cash strapped – CESA echoes minister’s sentiments 41
CEMENT AND CONCRETE 42
Careless curing can ruin the best concrete 42
State-of-the-art concrete repairs for water purification plant 43
IN BRIEF 44
Metals and engineering production expands but risks remain 44
Fast-track student block construction underway 44
CESA welcomes Gauteng budget, calls for tighter tendering processes 45
Surface miners ready for infrastructure boost 46
Milestone reached in new hospital development 46
Corobrik’s R800m Kwastina factory enters full production 47
An opportunity to tap into new standards 47
HISTORY AND HERITAGE 48
Book review: Much Water under Many Bridges 48
SAICE AND PROFESSIONAL NEWS 50
SAICE Training Calendar 2022 50
BACK COVER 54

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