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CONCRETEFiX 3:6

CRACKING IN CONCRETE (BASED ON CHAPTER 14 IN FULTON’S CONCRETE TECHNOLOGY, 10TH ED, 2021)

by Dr Roderick Rankine

Cracking in concrete needs to be minimised as far as possible, or at least controlled to within acceptable limits to minimise costly repairs and to enhance durability. The correct classification of cracks will determine the remedial measures to be taken which can often be very challenging.

SEASON 3

Watch Past Episodes

S3: E1 - MIXING WATER FOR CONCRETE

Thursday, 20 January 2022

The presentation is based on Chapter 5 in Fulton’s Concrete Technology, 10th Edition, and address:

  • Common substances in mixing water that could influence concrete
  • Use of natural waters occurring in SA
  • Water samples for testing in accordance with SANS 51008

Attendees can claim their CPD points here: CPD Records

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S3: E2 – CONTROL OF CONCRETE QUALITY AND QUALITY SYSTEMS

Thursday, 17 February 2022

Presented by Mike McDonald (AfriSam)

The presentation is based on Chapter 23 in Fulton’s Concrete Technology, 10th Edition, to address:

  • Codes & Specifications
  • Practical Quality Control
  • Non-conformity and Adjustment of Mixes
  • Quality Systems

Attendees can claim their CPD points here: CPD Records

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S3: E3 - Autoclaved Aerated Concrete (AAC): Properties, Uses and Ecology

Thursday, 24 February 2022

Presented by Karl-Guenter Lange, an AAC Specialist based in Lueneburg, Germany

Karl-Guenter talks about the following:

  • General Remarks
  • Autoclaved Aerated Concrete – raw materials, production and properties
  • AAC Building System
  • Using AAC-products on Site
  • Ecological Aspects of AAC Products and
  • Benefits of AAC-products

Attendees can claim their CPD points here: CPD Records

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S3: E4 - Improving Concrete Durability with Colloidal Silica

Thursday, 17 March 2022

Presented by Brent Rollins, Vice President of Business Development: Spray-Lock Concrete Protection, Chattanooga, TN

Brent talks about the following:
Research, coupled with widespread use of colloidal silica during the last decade, have found that it has the potential to increase strength and durability of concrete. One of the key benefits of using colloidal silica is the available surface area of the reactive silica.

Attendees can claim their CPD points here: CPD Records

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S3: E5 - AGGREGATES FOR CONCRETE

Thursday, 21 April 2022

by Emeritus Prof Mark Alexander

The presentation is based on Chapter 4 in Fulton’s Concrete Technology, 10th Edition, and covers a basic understanding of the important properties of aggregates, including the assessment of aggregates derived from non-conventional sources such as industrial sources and construction excavation and demolition materials.

Attendees can claim their CPD points here: CPD Records

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S3: E6 - CRACKING IN CONCRETE

Thursday, 19 May 2022

by Dr Roderick Rankine

Cracking in concrete needs to be minimised as far as possible, or at least controlled to within acceptable limits to minimise costly repairs and to enhance durability. The correct classification of cracks will determine the remedial measures to be taken which can often be very challenging.

Attendees can claim their CPD points here: CPD Records

Watch this episode