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Cement

Fibre-reinforced concrete offers sustainable alternative

1st November 2024 A new innovation in the use of fibre in concrete instead of traditional steel reinforcement is set to move the industry closer to the goals of sustainability and environment protection. Using fibre-reinforced concrete is said to significantly reduce carbon emissions, energy consumption and... →

High demand for concrete solutions from global manufacturer

11th October 2024 Manufacturer of light- and compact equipment, and advanced concrete solutions, Wacker Neuson Concrete Solutions, highlights its range of internal and external vibrators, concrete vibrator drive systems and frequency converters engineered for use in the construction, infrastructure and precast... →

Backpack internal vibrator from Wacker Neuson

Specialists add value to mining projects

27th September 2024 While contractors are employed primarily to execute projects on behalf of mining companies and project houses, underground mining specialists can also offer helpful insights from earlier stages of development. So says Murray & Roberts Cementation new business director Graham Chamberlain, adding:... →

Murray & Roberts Cementation staff assisting in a mine development project

Belt scale accuracy improves production at quarry

6th September 2024 A KwaZulu-Natal-based quarry that had been battling discrepancies in monitoring production, sales and inventory, introduced a belt scale solution that it says has led to improvements in management and operations. AfriSam’s Coedmore quarry identified issues with its existing belt scale between the... →

Tru-Trac belt scale at AfriSam’s Coedmore quarry

Grout injection plant recognised for safety track record

30th August 2024 A local grout injection plant that includes operations at depths up to 1 600 m below surface has achieved a significant milestone, having operated for 20 years without a single lost-time injury. Murray & Roberts Cementation project manager Andre van Buuren emphasises the company’s depth of... →

Grout injection plants pump grout mixtures at high pressures to underground workings

Admixtures support infrastructure growth in East Africa

8th August 2024 Increased investment in construction projects has been seen across East Africa, leading to a growing demand for concrete products. Infrastructure development such as roads and railways are said to be the main drivers of growth in Kenya, while Tanzania’s mining industry and Uganda’s oil sector are... →

Image of heavy duty vehicles moving sand

The CHRYSO Quad Range is an alternative to river sand

Concrete product manufacturers get support

2nd August 2024 Construction materials company AfriSam highlights the specialist solutions it has developed for concrete product manufacturers (CPMs) over its 90 years of operating within the sector. Concrete products need to be removed from moulds as quickly as possible, and in most cases there are stringent... →

AfriSam offers solution for the construction sector

Curing concrete in cold weather to keep workflow on track

5th July 2024 Low temperatures and cold weather conditions are known to slow down the curing of concrete, leading to the disruption of production schedules. The use of accelerating admixtures, or accelerators, can help tackle the problem especially in South Africa’s cold winter months, says CHRYSO Southern... →

Image of an accelerator used for readymix concrete

Using an accelerator for readymix concrete

Anchors secure bolted construction elements

31st May 2024 Specialist designer, manufacturer and supplier of structural and precast concrete construction elements Peikko South Africa has introduced a range of anchor bolts for securely anchoring concrete, steel structures or machinery into concrete base structures such as foundations, slabs, base columns,... →

HULCO anchor bolt

Increasing use of fibre-reinforced shotcrete in mining applications

24th May 2024 The South African mining industry has become a major user of fibre-reinforced shotcrete for underground support. This is according to CHRYSO Southern Africa technical sales consultant Willie Nel, who reports a growing uptake for the CHRYSO CSF 6000 high performance macro-synthetic fibres in this... →

Image of fibre reinforced shotcrete being applied in an underground tunnel

Fibre reinforced shotcrete application in an underground tunnel

Specialised cement enhances road durability

17th May 2024 A composite cement formulation, engineered specifically for road construction and stabilisation tasks, is said to enhance the stability and strength of road materials by improving the properties of the soil. Available from construction materials supplier AfriSam, the cement is designed to... →

AfriSam Roadstab Cement used in a road construction project

Laying down the benefits of all-purpose cement

19th April 2024 AfriSam All Purpose Cement notes that its specially blended formulation supports the construction of durable and long-lasting structures and highlights its cement’s contribution to the durability and sustainability of construction projects. The product is designed to meet the needs of a range of... →

AfriSam All Purpose Cement used in the construction industry

Admixtures help manage effects of extreme weather

15th February 2024 Extreme weather conditions such as very hot or cold ambient temperatures can affect both strength and open time, when working with concrete. CHRYSO Southern Africa technical manager Patrick Flannigan explains that high temperatures cause concrete to develop higher initial strength, but reduce the... →

CHRYSO plasticisers used for concrete

Major infrastructure needed to access limestone deposit

10th February 2024 A new quarry in the Northern Cape set to be an important source of limestone for a local cement plant, will require significant infrastructure to enable access to the deposit. The deposit is said to have the potential to provide a 40-year supply, delivering about two-million tons of limestone a... →

Existing operation with new mining area outlined in red

Slimline precast wall system offers many benefits

24th January 2024 Precast concrete construction techniques are said to have many advantages over conventional on-site concrete construction, particularly in repetitious elements such as wall panels and support foundations and columns, asserts Peikko South Africa MD Daniel Petrov. The specialist company offering... →

Peikko’s Slimline precast wall system

Local infrastructure development uplifts community

22nd November 2023 Local road infrastructure connected to the Msikaba Bridge project in the Eastern Cape has helped to create sustainable growth and development of the surrounding community. Concor Moto-Engil Joint Venture (CMEJV) project director Laurence Savage says that while the primary purpose of the project... →

The Msikaba project has led to local job creation

Tackling the construction sector skills shortage

17th November 2023 South African construction materials supplier AfriSam says that the company’s ongoing investment in training and development aims to address the lack of technical skills which it says is hampering the construction materials sector. AfriSam construction materials GM Glenn Johnson asserts that the... →

AfriSam ensures technical skills development through training

Local cement for local manufacturer

31st October 2023 A family-run, Pretoria-based manufacturer credits its growth in the precast product manufacturing sector to its long-standing partnership with South African cement supplier AfriSam. The business serves both local homeowners in Pretoria North, Ga Rankuwa, Soshanguve and other regions, as well as... →

Precast products from Zenzele Pavers and Cladding, manufactured using AfriSam cement

Leading-edge laboratories for industry

30th September 2023 CHRYSO Southern Africa says that its two state-of-the-art laboratories support customers across all industries by ensuring quality, safety and efficiency. The company’s Quality Control and Research and Development Laboratory helps ensure quality control and compliance with industry standards. →

A CHRYSO technician evaluating chloride content

Expert drilling ensures accuracy of vent shaft

22nd July 2023 Murray & Roberts Cementation was selected as the raise boring contractor for a new ventilation shaft at Ivanplats’ Platreef project. A 950-m-deep pilot hole had to be drilled to precise accuracy to allow for the shaft to be equipped with a hoist and rope guides to carry personnel. The dual... →

Image of Rotary Vertical Drilling System to complete a borehole for a ventilation shaft

Murray & Roberts Cementation used the Rotary Vertical Drilling System to complete a borehole for a ventilation shaft

‘Green’ construction support

7th July 2023 The construction sector is seeing an increasing trend towards environmental responsibility and ‘green buildings’. Construction materials supplier AfriSam says that its products can help customers achieve sustainability goals. “The sustainability drive in the construction sector is gathering... →

Image of cement pouring on construction site

AfriSam focusses on environment-friendly manufacturing processes

Concrete mix solutions for improved sustainability

18th May 2023 CHRYSO’s Quad range of concrete admixtures is designed to promote sustainable practice in the use of challenging sands. CHRYSO Southern Africa technical manager: concrete business unit Patrick Flannigan says the use of crusher, or manufactured, sand in construction has been prevalent for many... →

Image of grain of sand labelled with various charecteristics

CHRYSO offers solutions for challenging fines in concrete mixes

Cement extenders help cut carbon emissions

5th May 2023 Substituting clinker in cement with a portion of cementitious materials that are by-products of other industrial processes, has led to substantial gains in decarbonisation, says construction materials supplier AfriSam. According to AfriSam process engineer Marieta Buckle, the company has reduced... →

Image of cement factory with clear skies above

AfriSam has reduced its carbon emissions

Concrete blocks anchor new bridge

11th April 2023 The Msikaba Bridge which forms part of the South African National Roads Agency Limited’s N2 Wild Coast project, is being built by the Concor-Mota Engil Joint Venture, or CME JV. The bridge is anchored by four massive concrete blocks which, according to Concor project director Laurence Savage,... →

Concrete pour for bridge anchor block

New-generation floor coatings for high traffic areas

18th March 2023 Plascon has launched a new portfolio of floor coatings specifically designed to safeguard heavy-wear surfaces such as those used in hospitals, vehicle showrooms, warehouses and processing plants, as well as commercial and residential buildings. Its glossy Floortect 1000 SB (formerly Epoxy floor... →

Plascon has launched a range of new-generation floor coatings

Additives ensure quality concrete for mega reservoir

10th February 2023 An extremely large 210 Mℓ cylindrical post-tensioned concrete reservoir was recently completed in Gauteng. CHRYSO Southern Africa highlights the use of its admixtures in the concrete used in the construction of the reservoir, which it says helped achieve good concrete consistency, reduced water... →

Image of construction of a large reservoir using Chryso admixtures

Chryso admixtures were used in the construction of a large reservoir in Gauteng

Slag used to reduce clinker factor

10th February 2023 According to the Association of Cementitious Material Producers (ACMP), clinker substitution rose from 12% in 1990 to 23% in 2000 and 41% in 2009. Since 2008, the South African cement industry has seen a year-on-year reduction in emissions per ton of cement, largely attributed to the increased... →

AfriSam’s slagment operation

Technical design service optimises fibre use in concrete

12th January 2023 Modern fibre technology is said to offer contractors and end-users versatility and opportunities for custom applications. CHRYSO Southern Africa has joined with local fibre specialist Oxyfibre to offer customers a professional technical design service. The service relates to custom applications... →

Image of concrete being layed on construction site

Fibres used in the concrete mix design for an ore stockyard hard stand at a mine

Do-it-yourself construction empowers homemakers

11th December 2022 A modular house plan has been made available free of charge to people who want to build their own homes over time. AfriSam has collaborated with advertising and brand agency Promise Group and architecture firm BlackStudio, to produce its ‘Plan (a)’ campaign, which gives consumers access to... →

AfriSam’s ‘Plan (a)’ campaign helps people to build their own homes from an architect-approved plan

Increased demand for retaining walls

4th November 2022 Incidents of severe flooding leading to extensive damage to infrastructure and buildings have resulted in an increased demand for concrete block earth retaining systems. Corobrik notes that its GEOLOK retaining wall system was highly sought after following the recent flooding in KwaZulu-Natal,... →

Image of Corobrik GEOLOK concrete blocks used for retaining walls

Corobrik GEOLOK concrete blocks are used for building retaining walls

New technology reimagines floor coatings

28th October 2022 Innovative technology has brought well-known floor coatings to market in new formats, with a wide variety of applications. Plascon says that it has reimagined some of its most well-known products for a wide variety of applications. →

Image of a floor treated with Plascon's Floortect 7 SB which seals concrete flooring

Plascon's Floortect 7 SB seals concrete flooring

Oxyfuel technology for CO2 capture in cement production

24th June 2022 Research company Cement Innovation for Climate, or CI4C, founded by cement manufacturers Buzzi Unicem – Dyckerhoff, Heidelberg Cement, SCHWENK Zement & Co, KG and Vicat SA, has commissioned thyssenkrupp’s Polysius business unit to build a pure oxyfuel kiln system on the site of the Mergelstetten... →

Image to show that hyssenkrupp’s Polysius business unit has been commissioned to build a pure oxyfuel kiln system at the Mergelstetten cement plant in southern Germany

thyssenkrupp’s Polysius business unit has been commissioned to build a pure oxyfuel kiln system at the Mergelstetten cement plant in southern Germany

Ensuring concrete longevity

25th April 2022 Extending the service life of concrete flooring requires a multi-faceted approach, including the selection of the most appropriate treatment and ensuring that the product is correctly applied. Cortec asserts that its line of MCI Technologies offers a range of treatments, such as its MCI-2026... →

Cortec offers a range of treatments to help ensure concrete longevity

On-site coaching improves supervision

31st January 2022 A new coaching initiative is being implemented in an effort to strengthen the outcomes of supervisor training, enhancing responsible behaviour that promotes safe production. The Murray & Roberts Training Academy (MRTA) programme uses experienced coaches who are qualified at mine overseer level... →

Image of the Licence to Supervise Programme, initiated by and applied within Murray & Roberts Cementation

The Licence to Supervise Programme has been initiated by and applied within Murray & Roberts Cementation

Stabiliser limits constraints of pervious concrete

26th November 2021 A stabiliser specifically designed for pervious concrete assists in controlling hydration reaction for better workability, while also fluidising the concrete to facilitate improved placement, offering a host of benefits for concrete suppliers, contractors and project owners. CHRYSO’s EasyDrain... →

CHRYSO EasyDrain ensures faster discharge and easier placing of concrete

Ready-to-use admixture reduces concrete cracking and curling

5th November 2021 Cracks can weaken concrete, compromise its durability and allow ingress of corrosive elements such as water, chlorides and ice. Concrete applications such as floors, screed and precast panels with large surface-to-volume ratios have a higher risk of cracking. Concrete cracking and curling is a... →

CHRYSO Serenis can be used to prevent concrete cracking

High-tech skills training delivered on site

29th October 2021 State-of-the-art skills training for underground mining that includes new systems such as virtual reality tools and interactive touchscreens, are soon to be made available to customers on site. According to Murray & Roberts Cementation education, training and development executive Tony Pretorius,... →

Murray & Roberts Cementation has launched new skills training initiatives for customers and staff

New technology to significantly reduce cement production emissions

22nd October 2021 A new solution developed by VTT Technical Research Centre of Finland and its partners, could result in significant reductions in carbon dioxide (CO2) emissions in the production of cement and quicklime. As one of the ingredients for concrete, cement is the world's most widely used building... →

Image of gloved hands holding dry cement to illustrate that VTT and partners have developed a solution that could significantly reduce carbon dioxide emissions in the production of cement and quicklime

VTT and partners have developed a solution that could significantly reduce carbon dioxide emissions in the production of cement and quicklime

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