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MGB series Hopper Discharge Feeder

Vibrating feeder is also called vibrating feeder. In the production process,...

MZA/K Series Circular Vibrating Screen

MZA / K series vibrating screen is a new round vibrating screen product base...

MF Series Fixed Shaft Circular Vibrating Screen

MF Series vibrating screen is a new round vibrating screen product based on ...

MC Series Single-Cylinder Hydraulic Cone Crusher

MC series single cylinder hydraulic cone crusher is developed from European ...

MJ Series Jaw Crusher

MJ series jaw crusher is mainly used as coarse crusher. It is made of advanc...

ML Series Vertical Shaft Impact Crusher

Ml series impact sand making machine is a brand new structure of ML impact s...

MS Series Triaxial Horizontal Screen

MS series three-axis elliptical vibrating screen is an international level v...

MGD Series Vibrating Feeder

Vibrating feeder is also called vibrating feeder. In the production process,...

Portland cement substitute

  • Materials - Cement

    2014-8-6 · Of course cement is also an incredibly flexible product for which there is no substitute. Pure Portland cement is an excellent glue, but is otherwise not strong at all, so cement is always mixed with other materials and is only the glue that hold them together. Concrete is a mixture of gravel, sand and cement; mortar is a mixture of sand and

  • Alternatives to Portland Cement - Otto Ruskulis

    2021-2-1 · Cement is an important binding agent in concretes, mortars and renders, and is used for the production of walling blocks and roofing tiles. Alternatives to Portland Cement - Otto Ruskulis - Practical Answers

  • Fly Ash as a Portland Cement Raw Material

    2019-8-9 · The potential tonnage of raw material that fly ash might substitute for in portland cement is, in essence, the 12.7 million tons of aluminous-siliceous materials, that is, the clay, shale, schist, and blast-furnace slag categories.

  • The Use of Granite Industry Waste as a Cement Substitute

    2019-7-1 · cement. An amount of appr. oximately 5% gypsum is added to retard setting time, which serves . as a buffer time duri. ng construction. Portland Pozzolana Cement (PPC) is produced by mixing a maximum of 35% (BIS: IS 1489: 1991) of fly ash in OPC cement. Fly ash is produced at thermal power stations as a waste material,

  • Sustainable alternative to Portland Cement - LKAB Minerals

    Using LKAB Minerals GGBS as an alternative for Portland Cement can protect from sulfate and chloride attack and reduces the chances of thermal cracking. Products Agriculture

  • How to Make Alternatives to Portland Cement - Howtopedia

    2018-4-17 · In addition Portland cement is relatively expensive to produce and is often in short supply in many developing countries. Typically, a rural African labourer may need to work for up to two weeks to earn enough money to buy one bag of cement. In comparison alternative cements can be produced locally, on a small scale and at much lower cost.

  • Cement Replacement Materials (CRM) in Concrete - Structville

    2021-1-20 · Typically, 15 percent to 30 percent of the portland cement is replaced with fly ash, with even higher percentages used for mass concrete placements. To achieve this, an equivalent or greater weight of fly ash is substituted for the

  • Cut-price concrete substitute - Aggregate Research

    2017-3-8 · Acrete is a lighter, stronger and less expensive substitute for concrete. Inventor Jinhong Zhang, associate professor of mining and geological engineering in the University of Arizonas College of Engineering, developed a new substitute for concrete that has a number of advantages over traditional Portland cement.

  • Engineers have created a cement alternative to reduce

    2018-6-26 · Producing cement, the main ingredient in concrete, creates 5% of global carbon emissions. But now engineers at Rice University have made a new material that could take the place of Portland cement

  • GGBS; sustainable alternative to Portland Cement LKAB

    Ground Granulated Blast Furnace Slag (GGBS) is a cement substitute that improves durability and also the environmental credentials of concrete mixes. It is a by-product of the iron-making industry. For every tonne of GGBS used in a concrete mix, the embodied CO 2 levels are reduced by around 900 kg compared to the use of one tonne of traditional Portland Cement.

  • After many years of research: Is Portland cement a viable

    From my point of view Portland cement is not a viable substitute for MTA. We should take care and avoid to use it in clinical practice even if most of its properties is close to MTA's ones.

  • Research spawns eco-friendly cement substitute

    2014-11-13 · When he was a Ph.D. student in the University of Arizona Department of Soil, Water, and Environmental Science, David Stone won a student innovation competition with the invention of an eco

  • What Are the Different Types of Portland Cement? eHow

    2021-5-14 · Concrete is a versatile material used to build a wide range of structures, including skyscrapers, dams, bridges, highways and sidewalks. It's composed of portland cement, aggregate, and water. Portland cement is a mixture of raw materials combined to create certain chemical conditions.

  • IS 455 (1989): Portland Slag Cement - Specification

    2013-9-10 · AMENDMENT NO. 6 JUNE 2009 TO IS 455 : 1989 PORTLAND SLAG CEMENT SPECIFICATION ( Fourth Revision ) (Page 3, clause 9.2.1) Substitute the following for the existing: The net mass of cement per bag may also be 25 kg, 10 kg, 5 kg, 2

  • Can Portland cement be replaced by low-carbon alternative

    2018-6-10 · Portland cement samples were prepared using Portland cement CEM I 42.5-R (CAS number 65997-15-1), commercially available from the Lafarge Cement Group, and deionised water (W). Physico-chemical properties of Portland cement are listed in Table S1 of the Supplementary Material. Portland cement were prepared with a liquid to solid (l/s) ratio of 0.3:1

  • Portland Cement I, II, III: Which to use in a concrete

    In the United States, these types are classified as Type I, II, III, IV and V. Only Types I and III are necessary for consideration by concrete countertop fabricators; the benefits of Type II cement are generally irrelevant to the concrete countertop industry. Type I is ordinary Portland cement, and it is available in white or gray. Most concrete countertop professionals use white cement

  • Lime vs Portland cement? Which is better? Stonehenge

    Portland cement is about 30% clay-based, while lime is usually about 5% clay. However, there are three basic strengths of lime mortar, depending on the amount of clay present. The closer the clay percentage gets to 30%, the closer it is to a Portland cement, since the strength will be the same.

  • UA Research Spawns Eco-Friendly Cement Substitute

    2014-11-12 · When he was a Ph.D. student in the University of Arizona Department of Soil, Water, and Environmental Science, David Stone won a student innovation competition with the invention of an eco-friendly substitute for Portland cement.

  • Alternate Cementitious Materials

    2000-3-30 · granulated blast furnace slagis a replacement of portland cement and provides several advantages such as improved workability, reduced heat of hydration, decreased costs increased resistance to alkali-silica reaction, and sulfate resistance and increased compressive and flexural strength

  • ALTERNATIVES TO PORTLAND CEMENT - KnowledgePoint

    2020-10-31 · an alternative to Portland cement. Lime-pozzolana cement by itself can make an excellent cementing material for low-rise construction or mass concrete and in some countries (e.g. Indonesia) is still produced extensively. Pozzolanas can also be mixed with lime and/or Portland cement at the construction site but care

  • FORTCEM.COM - Fly Ash, Cement Technology, Portland Cement

    Our package of proprietary chemical formulations, when combined with fly ash, may represent a viable substitute for Portland cement. This formula produces high performance, cost-effective, and sustainable cementitious material. It offers flexible and adaptable application with greater pour temperature ranges (0 to 50+ degrees Celsius) and

  • This cement alternative absorbs CO2 like a sponge PBS

    2015-4-14 · Portland cement, the generic name, is the glue that allows concrete to harden. And concrete is everywhere, in highways, bridges, sidewalks, buildings of all sizes, and much more.

  • Alternate Cementitious Materials

    2000-3-30 · When compared to portland cement, fly ash, or ground granulated blast furnace slag, silica fume is much finer. The addition of small amounts of silica fume (2-5%) increase workability while large amounts of silica fume (>7%) decrease workability, increase compressive strength, decrease permeability and provide resistance to sulfate attack and

  • Impact of Substitute Portland Cement with CKD on the

    2021-3-1 · Impact of Substitute Portland Cement with CKD on the Mechanical and Durability Characteristics of Cement Mortar. Duaa Al-Faluji 1, Muna M. Al-Rubaye 2, Mohammed Salah Nasr 3, Ali A. Shubbar 4, Zainab S. Al-Khafaji 5, Ahmed Alkhayyat 6 and Mustafa S. Abdulraheem 2. Published under licence by IOP Publishing Ltd

  • Pulverulent ash composition as a portland cement

    What is claimed is: 1. A pulverulent ash composition as a portland cement substitute for increasing the compression strength of a finished concrete product comprising, a dry pulverulent class F fly ash product formed in the burning of coal, and containing an oxidizer, said oxidizer being unreacted with the ash during storage of the composition, said composition being made by the process of

  • portland cement concrete or Portland cement concrete

    2017-4-14 · RE: portland cement concrete or Portland cement concrete JohnRBaker (Mechanical) 20 Apr 17 15:04 Being originally a school of mines, the colors of my alma mater were Silver and Gold, which sounds cool but which didn't always translate well when used in some sort of public display.

  • IS 1489-2 (1991): Specification for Portland-pozzolana

    2018-11-14 · AMENDMENT NO. 4 JUNE 2009 TO IS 1489 (PART 2) : 1991 PORTLAND-POZZOLANA CEMENT SPECIFICATION ( Third Revision ) (Page 3, clause 10.2.1) Substitute the following for the existing: The net mass of cement per bag may also be 25 kg, 10 kg, 5 kg, 2 kg or 1 kg subject to tolerances as given

  • portland cement concrete or Portland cement concrete

    2017-4-14 · RE: portland cement concrete or Portland cement concrete JohnRBaker (Mechanical) 20 Apr 17 15:04 Being originally a school of mines, the colors of my alma mater were Silver and Gold, which sounds cool but which didn't always translate well when used in

  • Portland Slag Cement: All You Like to Know!

    2018-9-11 · Portland slag cement (PSC) is also known as blast furnace cement and more commonly known as PSC cement. It is manufactured by grinding Portland cement clinker, gypsum and round granulated blast furnace slag. It is generally constituted of 40-45% Portland cement

  • The Differences Between Cement, Concrete, and Mortar

    2021-4-26 · Cement is the binding element in both concrete and mortar. It is commonly made of limestone, clay, shells, and silica sand, with limestone being the most prevalent ingredient. These materials are crushed and combined with other ingredients (including iron ore), and then heated to

  • The Differences Between Cement, Concrete, and Mortar

    2021-4-26 · Cement is the binding element in both concrete and mortar. It is commonly made of limestone, clay, shells, and silica sand, with limestone being the most prevalent ingredient. These materials are crushed and combined with other ingredients (including