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Cement and Concrete

Products impress local construction industry

20th May 2005 The advanced performance of the new EPM range of planetary pan mixers is fast attracting the attention of South Africa’s leading construction companies.? 

High steel prices hamper reinforcing market

By: Mariaan Webb     20th May 2005 The training committee of the South African Reinforced Concrete Engineers’ Association (Sarcea) has been particularly active over the past few years and, by the end of August, the association will have trained about 180 steel fixers. 

Admixtures are becoming more important

By: Mariaan Webb     20th May 2005 Concrete admixtures are fast becoming almost as essential as concrete itself on building sites, but there appears to be some ignorance about the role these construction chemicals play in formulating the correct concrete mix for specific applications. 

Housing project demonstrates benefits of concrete blocks

20th May 2005 A road grid on a new housing estate in the greater Pretoria area has proven the superiority of concrete block paving (CBP) as a road surface both in terms of aesthetic appeal and cost performance. 

R2,5m facelift for Rosebank building

By: Mariaan Webb     20th May 2005 Spec-con, a 12-year-old company specialising in fa 

Fibre reinforcement being widely used in cement market

By: Mariaan Webb     20th May 2005 Although fibre-reinforced concrete (FRC) is not a very recent technology, it is being more extensively used in many different areas of the South African concrete market. 

Stadiums for Africa with a French flair

By: abdul cook     6th May 2005 Johannesburg-based Ing 

Concretes adapted for use in foundries

By: Mariaan Webb     15th April 2005 Vereeniging-based refractory manufacturer Durocast has adapted high-technology concretes, normally used in blast furnace runners and steel plant ladles, to make them suitable for use in foundries. 

Upswing predicted for specialist-flooring market

By: Jade Davenport     15th April 2005 There is an upswing predicted for the specialist flooring market as companies are spending more capital on maintenance and upgrades and, more significantly, there are a number of projects planned this year requiring specialist systems. 

New steel grade increases construction-sector choice

By: elizabeth rebelo     18th March 2005 The introduction of a new-grade steel by South Africa’s second-largest steel maker, Highveld Steel & Vanadium, could be a platform for challenging the mainstream construction method, especially with regard to local high-rise buildings. 

Ready-mix concrete sector's quality audit complete this month

By: Nicola Mawson     4th February 2005 Handling ready-mix concrete (RMC) is a rather challenging aspect of this industry, with its own set of unusual logistical difficulties to overcome. 

High-tech products ensure efficient vibration

By: abdul cook     3rd December 2004 Gauteng-based Concrete Finishing Equipment (CFE) was awarded the contract to supply the high-frequency vibrators and convertors for the Coega project, near Port Elizabeth. 

Concrete institute issues fraud warning

6th October 2004 It is important that consumers be aware of what to consider when selecting the right cement for a particular application, says John Sheath, marketing manager of the Cement & Concrete Institute (C&CI). 

Concrete group in R25m expansion move

10th September 2004 Concrete admixture producer Chryso SA has announced that it is to spend R25-million on a new expanded plant and head office facility. 

New concrete technology centre at Rau

5th August 2004 Funding by Cement & Concrete Technology (C&CI) has enabled Rau University to establish a new technology centre at Rautek, in Auckland Park. 

Shortage of sand leads to plastering problems

21st June 2004 The Cement & Concrete Institute (C&CI), in Gauteng, is receiving an unprecedented high number of inquiries regarding plastering problems – mainly as a result of a decline in the availability of plaster sand that complies with the requirements of SABS 1090. 

New composite manufacturing plant for mining operation

By: elizabeth rebelo     11th June 2004 A new manufacturing plant, which has been opened by Concor Technicrete, is producing composite support packs for underground mining operations at Gold Fields’ Kloof mine’s No 4 shaft. 

Cement and concrete industry working to realise growth

By: lauren rota     21st May 2004 Information supplied by way of agglomerated sales figures of the Cement & Concrete Institute’s (C&CI) member producers reveals that regional growth in cement demand in the order of 17% was achieved in the first quarter of this year, compared to the same period in 2003, marketing manager... 

Ready-mix concrete makes gains on site batch-mixing

By: lauren rota     21st May 2004 The South African Ready-mix Association (Sarma) was reinstated in 2001 after the majority of the industry deemed it necessary. 

Concrete technology improves durability of structures

21st May 2004 It has become evident that reinforced concrete structures are not enjoying the maintenance-free life spans that owners and developers have come to expect. ? 

Concrete product helps with removal of graffiti

21st May 2004 A graffiti repellant supplied by abe Construction Chemicals has been applied to the concrete columns of a pedestrian bridge at Unisa on the outskirts of Pretoria.? 

Concrete waterproofing seals cracks

21st May 2004 A system for waterproofing concrete without using membranes is now available in South Africa. 

Tilt-up method speeds up construction process

21st May 2004 A local company has researched tilt-up construction by visiting facilities in the US and Australia, and has applied the technology locally in projects where rapid construction was desired.? 

Coal resources conserved by using scrap tyres in kilns

21st May 2004 The South African cement industry is set to embark on a multimillion rand project to replace some of the coal used in its kilns with alternative, waste-derived fuels. 

Stronger extended cement product affords greater structural safety

By: lauren rota     21st May 2004 One of South Africa’s four largest cement producers, Lafarge, has introduced a new classical extended product, Buildcrete 42,5, to its range. 

World concrete specialist to address SA conference

13th May 2004 One of the world’s leading authorities on concrete corrosion and degradation, Dr Carmen Andrade, of Spain, will be the keynote speaker at a major concrete conference in Midrand in October. 

Consumer demand behind cement-sales boom

By: Martin Czernowalow     7th May 2004 The South African domestic cement sales market is booming, driven mainly by the residential development sector, buoyed by interest rate cuts. 

Ngqura is 60% complete

By: elizabeth rebelo     30th April 2004 By the end of August the Port of Ngqura will be ready to receive its first ship, says Concor director of project development John Millward. 

Construction 65% complete

By: elizabeth rebelo     5th December 2003 Construction of Durban’s R700-million uShaka Marine World is already 65% complete, says Stocks Building Africa (SBA) executive director Johan Brink. 

Satellite-based medical pilot project completed

12th November 2003 South African technology group Sentech announced yesterday that the leveraging of South African medical skills has gone into orbit, following its Tele-Medicine pilot project, which reportedly delivered radiology expertise from Gauteng to previously-disadvantaged communities in remote areas. 

Group Five uses Brun pre-cast system in Angola

12th November 2003 Broad-based infrastructural company Group Five said yesterday that it is using its patented Brun pre-cast reservoir and tank system to construct three 2,5 megalitre and a 0,9 megalitre reservoirs on a 30 m-high tower at the Nova Vida site in Angola. 

News from the world of materials

By: Karel Smrcka     1st August 2003 What can happen when steel girders soften during a fire was sadly illustrated by the collapse of the twin towers of the World Trade Center in New York. 

Global cement group’s sales decline

25th July 2003 Building materials group Lafarge's first-half sales fell 11,9%, stung by a weaker dollar, but its shares rose on Wednesday as it kept its outlook and turned in better-than-expected internal growth. 

Skills upgrade in cement and concrete technology needed, says institute

By: candice haase     23rd May 2003 While there are continuous advances in cement and concrete technology and applications, it is the skills associated with the use of these materials that need to be upgraded as construction projects come on-line in South Africa. 

Institute plans to become more inclusive

By: candice haase     23rd May 2003 To create an industry association representative of a more diverse range of participants in the concrete sector, the Cement and Concrete Institute (C&CI) is in the process of being reconstituted. 

Manufacturers association warns on quality certification

23rd May 2003 The Concrete Manufacturers Association (CMA) warns the South African consumer that some manufacturers of concrete products are making false claims with regards to South African Bureau of Standards (SABS) certification. 

Sulphate research project underway

By: candice haase     23rd May 2003 Various test projects are underway at the Cement and Concrete Institute (C&CI) laboratory in Midrand. 

Mobile batching plant to enter market later this year

By: candice haase     23rd May 2003 The logistics and costs associated with the production and transportation of readymix concrete has hampered the development of small-, medium- and micro-enterprises (SMMEs), as well as historically disadvantaged individuals in this field, maintains Norton Construction Products MD Peter Norton. 

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