CEMENT & CONCRETE SA
CEMENT & CONCRETE SA | 2,664 followers on LinkedIn. Building a future together! | Cement & Concrete SA (CCSA), the new consolidated industry body, is open for business and is set to take the lead on all matters relating to …
AfriSam
We celebrate 90 years of making a difference in Southern Africa with our superior quality cement, readymix and aggregate products. Thank you for making us your A1 choice - we look forward to creating more concrete possibilities together. ... AfriSam Rapid Hard Cement is ideal for use in the precast concrete industry where faster demoulding ...
Ferrochrome slag aggregate: physical-chemical characteristics and
Using two cement types, cement proportions of 1%, 2% and 3% of the slag aggregate weight mixed with optimum moisture content of the non-treated compacted slag were used to make lightly cemented ...
South Africa Cement Industry Market Size & Forecast by …
Dublin, May 08, 2024 (GLOBE NEWSWIRE) -- The "South Africa Cement Industry Market Size & Forecast by Value and Volume Across 50+ Market Segments by Cement Products, Distribution Channel, Market ...
Comparative Life Cycle Assessment of Different Portland Cement …
South African cement products are sold within the country and to other Southern African countries, including Namibia, Swaziland, Lesotho, and Botswana. ... Song et al. used the LCA method to evaluate the process of using BFS as an alternative material for slag cement production and ready-mixed concrete. They calculated its environmental ...
THE USE OF MILLED BLASTFURNACE SLAG CEMENTS IN …
THE USE OF MILLED BLASTFURNACE SLAG CEMENTS IN SOUTH AFRICA. The South African construction industry currently consumes about 8 million tons of portland cement …
THE USE OF MILLED BLASTFURNACE SLAG CEMENTS IN SOUTH AFRICA
The South African construction industry currently consumes about 8 million tons of portland cement (including 220 000 T pbfc) and 600 000 tons milled granulated blastfurnace slag (mgbs) per annum. The mgbs is blended with opc on site.
(PDF) The use of steel slag in concrete
The study concludes that the use of steel slag in concrete improves the physical properties of the cement concrete, and thus, steel slag concrete can be used for building floorings, pavements, or ...
Early and Late Compressive Strengths Behaviour of Concrete …
Three different South African SCMs (Ground granulated blast-furnace slag, Silica fume and Fly ash) were blended at different proportions and used as replacement of cement in concrete.
The benefits of using ferrochrome slag as waste …
I acknowledge the work done by the South African Regulator, as well as the South African Ferrochrome Industry by the Ferro Alloys Producers Association towards the reuse of ferrochrome slag as aggregate in South Africa, and I encourage the completion thereof.
Manvin
ManCrete serves the steadily growing need for concrete products in South Africa and SADEC region. We provide our customers with: This division specializes in ferrochrome recovery from …
Effect of Different Activators Type and Dosages and …
Hosted by: The Cement and Concrete Institute of South Africa Editors: Dr G. Grieve and G. Owens ... ACTIVATED BLAST FURNACE SLAG CEMENT Cincotto M. A 1, Melo A. A.1 and Repette W. L.1
Cementitious Materials for Concrete
Cementitious materials for concrete, available in South Africa, include common cements and portland cement extenders. Applicable standards are: Common cements • SANS 50197-1 - Cement - Part 1: Composition, specifications and conformity criteria for common cements Note that it is illegal to sell cement in South Africa if it does
Ground Granulated Blast Furnace Slag in Concrete & its …
Advantages of GGBFS in concrete The incorporation of ground granulated blast furnace slag in concrete manufacture gains many advantages which are mentioned below: GGBFS in concrete increases the strength and durability of the concrete structure. It reduces voids in concrete hence reducing permeability; GGBFS gives a workable mix.
Early and Late Compressive Strengths Behaviour …
Three different South African SCMs (Ground granulated blast-furnace slag, Silica fume and Fly ash) were blended at different proportions and used as replacement of cement in concrete.
Concrete Prices in South Africa | How much does it cost?
Concrete is a construction industry standard, known for its strength, durability, and versatility. In South Africa, where construction projects of all sizes thrive, knowing concrete prices is essential for good budgeting and planning. Knowing the cost of a driveway or patio helps you make decisions and succeed. Building costs can be complicated by concrete pricing, which...
Curing of slag concretes at low temperatures: effect on …
The influence of low curing temperatures (5, 10 and 15 ±2 °C) on the strength and durability properties of ground granulated blastfurnace slag (GGBS) and ground granulated Corex slag (GGCS) concretes was studied. A standard curing temperature of 23 ± 2 °C) was also used for comparative purposes. Test specimens were cast using CEM I 52.5N (PC), and …
South Africa Steams Ahead with Slag | Blog | ASA
The South African concrete industry is leading the charge, championing the use of blast furnace slag, resulting in a substantial reduction in its clinker factor without compromising the quality of products. Blast furnace slag (BFS) is formed in a blast furnace with molten iron from iron ore in the reducing presence of heated air, coke and ...
South Africa
The capacity of South Africa's cement production stands at 20Mt/yr, but only 12Mt/yr is currently produced. A report by PPC Cement and the Gordon Institute of Business Science revealed in September 2023 that South Africa's cement industry is operating at two-thirds of its capacity, citing displacement by imports and low demand as major factors.
Slag Stone /m3
Slag Stone /m3 Delivery Across South Africa VARIOUS UTILISATIONS WITHIN CONSTRUCTION.
cementitious materials for concrete standards, …
Application Comments Conventional structural The cement is normally selected for economy. concrete in a non-aggressive Any of the SANS 50197-1 common cements should be suitable. environment Site blends of CEM I cement with 50% GGBS or 30% FA have been extensively and successfully used in South Africa. A site blend of CEM I cement and about 8% SF is …
Best Slag
Utilizing slag in cement improves the compressive and flexural strength of concrete, ensuring robust construction. By incorporating slag, we reduce CO2 emissions and conserve natural resources, making it an eco-friendly choice. …
South Africa: AfriSam sees market potential for slag cements
This is considering the proposed introduction of a carbon tax in South Africa commencing in 2017, and the 'green' building and infrastructure movements that have brought a heightened awareness of the embodied energy and carbon of building materials. ... AfriSam's Centre of Product Excellence has itself developed a slag cement with high ...
Cement – Concrete Society of Southern Africa
CEM II portland cement containing varying additions of secondary materials, i.e. fly ash, pozzolana, slag, silica fume, or limestone. ... there are now potentially 27 products in the family of "common cements". The Concrete Institute in South Africa supplies a downloadable leaflet on the full composition details of these different cements ...
Slagment
Ground Granulated Blast Furnace Slag (GGBFS), otherwise known as slag, is a by-product of the steel and iron industry which is milled to a fine consistency. Slag offers a number of benefits …
FLY ASH RESEARCH PAVES WAY TO EVEN GREENER CEMENT
South Africa's pioneering role in the use of fly ash in cement production opens the door for the country to reduce its carbon emissions while retaining a strong and innovative cement sector. ... A typical 32.5 strength cement will typically comprise up to 31% slag and 31% fly ash, totally 62% of the total volume of the blend. ...
A snapshot review of future-oriented standards for cement, …
The existing cement and concrete standards are not capable of making full use of the current technology capacity due to strong focus on conventional concrete and thus they are not fit for the current and future challenges of construction industry. The paper highlights shortcomings with regard to the implementation of the existing standards. It can be seen that …
Workshop on Limestone Calcined Clay Cements (LC A …
Slag Plants 1. Saldanha (Corex) 2. Vanderbijl 3. Newcastle Fly Ash Sources 4. Lethabo 5. ... Kaolin sources 1. Bronkhorstspruit 2. Ottosdal 3. Western Cape 4. Eastern Cape 2 1 3 4. November 2019 LC3 A South African Perspective page 8 Cement strength classes in South Africa Strength Class Application Est Clinker Content Potential to reduce CF 52 ...
Structural and durability properties of concrete made …
Results from the laboratory research show that Corex slag not only enhances concrete durability but also produces good early strength and improves other structural properties. This research …
Early-age properties, strength development and heat of …
A recent study by Vejmelkova et al. [15] showed that some of the positive characteristics of slag concrete can be obtained even at replacement levels as low as 10% or 20%. Mackechnie et al. [13] state that common drawbacks of South African slag concrete relate to low early strength and increased plastic shrinkage cracking. ⇑ Corresponding author.