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Cement and Concrete

Alternative-fuels debate still simmering

By: khalid patel     19th May 2006 The use of alternative fuels in cement kilns continues to spark debate among industry, civil society and nongovernmental organisations. Cement production is characterised by an extremely-high-temperature combustion process, most commonly using fuels such as coal, natural gas and other... 

Upbeat outlook for SA ready-mix makers

By: khalid patel     19th May 2006 “The future of the ready-mix concrete industry looks positive, especially so when one considers the 2010 soccer world cup and an increase in demand for housing”, says SARMA (South Africa Ready-mix Association) director Nico Pienaar. 

Blitz Concrete International prides itself in the rapid delivery of quality concrete products and custom-made concrete specials

By: Martin Creamer     19th May 2006 Blitz Concrete International specialises in the manufacture of high-quality precast concrete products that it is geared up to deliver rapidly. 

Dutch solution to avoiding post-2010 infrastructure blues

By: Keith Campbell     16th December 2005 The 2010 soccer World Cup, to be held in South Africa, will last for 33 days; some of the stadiums involved are likely to be employed for only 14 days – during the group stages of the tournament. 

‘Concrete roads just as quiet as asphalt’ – study

28th October 2005 A recent study by The Road Information Program (TRIP) in the US found that concrete roads were so durable that they often exceeded their design lives by years – or even decades – and often handled three times more traffic than designed for. 

Young concete engineers sought

20th October 2005 Papers are now being called for the third Young Concrete Engineers', Practitioners' and Technologists conference to be presented by the University of Pretoria next year in collaboration with the Concrete Society of Southern Africa, the Cement & Concrete Institute (C&CI) and the National Research... 

Pump shows its worth in concrete industry

7th October 2005 As in so many areas of the construction industry, the concrete delivery business is also constantly under pressure from stiff price competition. 

'SA construction boom could last decades'

By: Terence Creamer     2nd September 2005 Murray & Roberts (M&R) CEO Brian Bruce believes South Africa's construction economy, which has been in retreat for three decades, is on the cusp of a new cycle of multidecade growth. 

R25m plant to double firm's output volumes

By: elizabeth rebelo     8th July 2005 The official launch of Chryso SA’s new R25-million plant and South African head office facility in Jet Park will allow the company to double its current production volumes. 

Company supplies concrete to tourism project

1st July 2005 Lafarge Readymix was awarded the concrete supply contract for the Sterkfontein Cave upgrade and new ‘Interpretation Centre’ complex project. 

Stainless for infrastructure

3rd June 2005 In developing countries where financial resources are limited, it is important to create infrastructure using material that is inherently corrosion resistant and thus suitable for reducing the lifecycle costs associated with maintenance. 

Cement sales buoyent, skills remain a challenge

By: Mariaan Webb     20th May 2005 Cement sales are a good indicator of a country’s economic activity and last year was an outstanding year for the South African cement industry with several sales records being broken. 

Humidifying control system for cement plant

20th May 2005 Johannesburg-based Designs Unique, a company specialising in data acquisition projects, was recently commissioned to install a laboratory humidifying system at the Lafarge Bamburi Cement plant, in Mombasa, Kenya. 

Pre-heater calciners increase cement-plant capacity 

By: Mariaan Webb     20th May 2005 KHD Humboldt Wedag will soon be celebrating its 150th anniversary and being one of the leading cement process technology providers, the company holds the record for increasing the existing capacity of cement plants by retrofitting pre-heater cum calciner systems. 

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. 

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