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Cement and Concrete

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. 

Local subsidiary clinches contract to supply 28 000 dolosse to Coega

By: candice haase     23rd May 2003 The development of South Africa’s harbour infrastructure is stimulating activity in the local concrete industry. 

Company calls for increased concrete recycling

By: candice haase     23rd May 2003 In the wake of the World Summit on Sustainable Development held in Johannesburg last year, South African companies are beginning to take into consideration the fact that certain natural resources are non-renewable. 

Easing the logistical pains of transporting readymix concrete

By: candice haase     23rd May 2003 The reported weakening of the stronghold of PPC, Lafarge, Alpha Cement and Natal Portland Cement on the market, is said to have created an environment conducive to innovation and opened up economical marketing opportunities in the distribution of concrete and cement. 

Twenty-five entries for Fulton awards

23rd May 2003 Twenty-five submissions have been received for this year’s Fulton Awards, presented every two years by the Concrete Society of Southern Africa (CSSA) for excellence in the use of concrete on the African subcontinent. 

Telescope site flooring proved a challenge due to Karoo cold

By: candice haase     18th April 2003 Sutherland, located on the high Karoo escarpment, will be the home of the Southern African Large Telescope (Salt). 

Factory expands as housing demand rises

By: candice haase     18th April 2003 Anticipating a growth in the demand for houses, townhouses and cluster homes in the next two or three years, a Muldersdrift hollow-core floor producer expanded production capacity at its plant. 

Guidelines for sand-cement screeds and concrete toppings revisited 

By: candice haase     18th April 2003 The practice of laying semidry sand-cement screeds tends to be used to ensure quick installation of these surfaces. 

Company takes over marketing of product range 

18th April 2003 Since June 1 last year, the Marcom Group has taken over the marketing of Prostruct products on the international market. 

R330m lignosulphonate project nearly finished

By: Zonika Botha     6th December 2002 Norwegian company Borregaard Industries and Sappi Saicor’s 50:50 joint Lignotech plant expansion in Umkomaas near Durban, Kwazulu Natal is 73% complete and well on target to reach its commissioning deadline in March next year, project leader Mark Andrews reports. 

First eco-village being built at Ivory Park

By: Martin Zhuwakinyu     13th September 2002 Construction-materials group Lafarge South Africa has stepped up its involvement in sustainable development with the donation of cement and concrete to the eco-village being built by the City of Johannesburg and the EcoCity Trust at Ivory Park, in Midrand. 

Super-strength concrete supports novel structure

By: vanessa vasques     5th July 2002 The concrete for the bridge being constructed to link Newtown to Braamfontein, the Nelson Mandela Bridge, is being supplied by Alpha Readymix, a business unit of Alpha. 

Job-site prefabrication 'tilts' towards new method

By: marisa rodrigues     24th May 2002 A special form of precast concrete construction, known as tilt-up construction, is starting to become a more common practice in South Africa. 

Plain sailing with lining systems range

By: marisa rodrigues     24th May 2002 The protection of concrete is a necessity in corrosive environments, such as those experienced in the chemical, food, fertiliser and power industries. 

'Moderate' growth in demand for concrete in 2002

By: marisa rodrigues     24th May 2002 The cement and concrete market in South Africa continues to be fairly flat with the demand for concrete in 2001 growing by 1,9% compared to 2000. 

Success for young BEE concrete-repair firm

By: marisa rodrigues     24th May 2002 In just its fourth year of operation, what is reportedly the only black-owned specialist concrete repair company in South Africa, Liyaphuma Construction, considers itself to be among the top five companies in this field in the country. 

Local breakthrough in concrete reinforcement

24th May 2002 The new South African-developed process of oxyfluorination of polypropylene fibres has ushered in a new era for plastic concrete reinforcement, states Oxyfibre GM Annette Lubbe. 

R340m to be pumped into cement producer over next three years

By: marisa rodrigues     24th May 2002 Major cement manufacturer, Alpha Limited is to invest R340-million over a period of three years in efficiency and environmentally-focused capital projects. 

International brands protect SA concrete

24th May 2002 Concrete waterproofing, repair and protection are issues that continually concern architects, engineers and contractors alike. 

New foundation for Kwazulu-Natal concrete blockyard industry

24th May 2002 The future of the concrete block-yard manufacturing industry, a mushrooming enterprise embraced by thousands of unemployed community members throughout Kwazulu-Natal, received a shot in the arm when a development plan was implemented for a women-run block-yard business in Stanger recently. 

Cure for 'concrete cancer'

By: marisa rodrigues     24th May 2002 A stainless steel rebar, known as 3CR12, utility ferritic stainless steel or 3CR12, is proving to be the long-awaited solution to the ever-present problem of ‘concrete cancer’. 

SA students pinpoint new applications for fly-ash

By: marisa rodrigues     24th May 2002 Pretoria Technikon students have joined the international quest for new applications of fly ash. 

Flawed application of standards in SA

By: marisa rodrigues     24th May 2002 The quality and control standards in the South African cement and concrete industry are very good, but it is in the application of these standards where the local industry may be lacking, believes Beton-Lab’s Alan de Kock. 

SA's asphalt roads get concrete treatment

By: marisa rodrigues     24th May 2002 Although there are no major concrete roads being built in South Africa at the moment, concrete is making significant advancements into the roads industry through its increased use in the rehabilitation of asphalt roads, reports Cement and Concrete Institute roads expert Brian Perrie. 

New cement product in the mix

24th May 2002 A new cementitious product, the SureMix dry mortar system available from PPC Cement, is a first for South Africa and will reportedly revolutionise how the construction industry mixes and applies mortars, plasters and floor screeds in the future. 

New standard for precast-concrete flooring slabs

19th April 2002 For the first time South Africa has a standard for the manufacture of precast-concrete suspended floor slabs. 

Concrete shielded from sewage harm

By: marisa rodrigues     5th April 2002 Concrete, the major building material of sewage systems, is unavoidably affected by the stresses of being in contact with wastewater, therefore making protection essential. 

End to concrete cracking under thermal stress

By: Joanne Delaurentis     22nd March 2002 The cracking of mass and structural concrete due to thermal stress is one of the problems faced by constructors of concrete structures with large cross-sections. 

BEE firms in Jhb airport upgrade

By: Martin Zhuwakinyu     2nd November 2001 The concrete structure of the new domestic terminal being built at Johannesburg International Airport (JIA) is on schedule for completion next month, and kitting it out will take another year. 

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