آخرین محصولات

Natural Admixture As An Alternative for Chemical Admixture in Concrete

This paper presents a critical review of several natural materials used in concrete as an admixture that influences the mechanical and durability properties of concrete. This kind of admixtures ...

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The Use of Oil Palm Fiber as Additive Material in Concrete

Abstract and Figures. This study investigates the use of Oil Palm Fiber (OPF) as additive material in concrete. The effect of OPF in workability and compressive strength of concrete was evaluated ...

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Material Design, Additive Manufacturing, and Performance of Cement

Digital concrete fabrication including additive manufacturing of concrete (AMoC) has attracted the attention of academia and industry in recent years, due to its advantages of less labor requirements, and absence of formwork (Buswell et al., 2018).The process, first pioneered by Berokh Khoshnevis and branded initially as 'Contour Crafting', …

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Concrete Admixtures (Additives)- Types, Selection, Properties, Uses

Reading time: 16 minutes. Concrete admixtures (additives) enhances the properties of concrete for applications in construction with special requirements. Concrete additives are used to achieve desired workability in case of low water cement ratio, and to enhance setting time of concrete for long distance transportation of concrete.

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Kao | Developing Eco-Friendly Admixtures for Concrete

Development of admixtures that change conventional views of concrete. Concrete is made of water, cement, sand, gravel, and air. The strength of concrete depends on the water and cement ratio. The lower the water-to cement ratio, the higher the strength of the concrete. At the same time, the workability of concrete is reduced, making it ...

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Additive Manufacturing of Reinforced Concrete Structures with

The goal of this project is to achieve high energy and construction efficiency through additive manufacturing (i.e., 3D ) of concrete walls in buildings. 3D concrete possesses new opportunities for advancing energy efficiency and manufacturing in building construction, with demonstrated savings in construction cost and time.

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Green growth in cement | McKinsey

Revolutionary innovations: Radical technologies such as biocement, which is created from naturally grown materials, are being introduced to the market. Reduce. The second theme is reducing …

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Concrete | Definition, Composition, Uses, Types, & Facts

concrete, in construction, structural material consisting of a hard, chemically inert particulate substance, known as aggregate (usually sand and gravel), that is bonded together by cement and water. Among the ancient Assyrians and Babylonians, the bonding substance most often used was clay. The Egyptians developed a substance more closely ...

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Concrete Strengthening by Introducing Polymer-Based …

Currently, the most popular polymer additives include superplasticizers, latexes and redispersible powders. Moreover, in order to improve the properties of …

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Processing of Cementitious Materials for 3D Concrete

2.1 3D Concrete Printer and Process Flow. The extrusion-based 3D concrete is realized through a gantry printer which is shown in Fig. 2.The most important part of this printer is the customized 'extruder unit'; wherein the material is continuously fed into the extruder barrel, which passes through an Archimedes screw to make the concrete …

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Advances in geopolymer materials: A comprehensive review

The cement industry pollutes the atmosphere, while geopolymers are favoured by researchers because of their unique cleanness. The application of geopolymer mortar can be said to be the most studied. And geopolymer concrete is an innovative and sustainable development of engineering materials, comparing with OPC, has many …

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Baking Soda Saves the World: New Additive in Concrete

MIT engineers discover new carbonation pathways for creating more environmentally friendly concrete. Concrete's carbon footprint could be reduced by 15% if sodium bicarbonate is introduced during the early stages of mixing, according to MIT researchers. The addition of the common ingredient helps to produce …

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Study of the effect of wood waste powder on the properties of concrete

The highest reduction in concrete density (14%) occurred when 2.5% of the total fine aggregate by mass was replaced by wood waste powders (Fig. 4).This reduction is attributed to the lower density of the wood waste powders (0.57 t/m 3), compared to the sand (2.7 t/m 3) and could be due to a weaker interaction between the WWP and the …

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Construction Solutions

At BASF, we combine market insight, technical expertise, and a full formulation mindset to drive innovation that meets the construction industry's needs. With an extensive portfolio of water-based acrylic and styrene butadiene latex polymers, and additives, we provide a full formulation approach for high-performance building materials, durable construction …

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Cement Additives

Innovation. Back to Innovation; Innovation Innovation News Innovation Management Women in Science Research & Development. Back to Innovation; ... Cement additives are materials added to cement for the optimization of the cement properties and the cement grinding process. Cement additives are classified into different product groups such as ...

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Innovations in Chemicals for Building and Construction (Technical Insights)

This research service analyzes the innovations in chemicals for building and construction by covering five different segmentation; concrete admixtures, adhesives, water proofing chemicals and ...

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How to Make Concrete More Sustainable

Each cubic meter of concrete needs approximately 900 kg of sand, 1,100 kg of coarse aggregates, 300 kg of cement and 180 liters of water. A few possibilities to secure and protect resources in concrete construction include: optimize cement and water content in concrete. open new sources of raw materials to be used for concrete.

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Agricultural and Aquaculture Wastes as Concrete Components: A …

Introduction. Concrete is one of the most used building materials in the world. The global annual concrete consumption is close to 17.5 billion tons, in which the required aggregate and cement are about 13 billion tons and 2.6 billion tons, respectively (Bo et al., 2018).Excessive use of quarrying and mining to collect aggregates leads to the …

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STRUCTURE magazine | Advancement in Masonry Today

The low cost of concrete block will allow it to win on price in the new realm of additive manufacturing. 3-D remains unattractive and unappealing when compared to masonry. Familiarity with masonry will help in the adoption of additive manufacturing innovation because it is based on what is known.

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A review of studies on bricks using alternative materials and

Considering that cement and lime-based calcium-silicate-hydrate bricks are also not sustainable, Geopolymerisation is a preferable way to produce bricks, but corresponding cost and benefit analyses need to be conducted for relevant research. ... one possibility is to incorporate the glass and plastic waste as additives into clay bricks. 3.1.1 ...

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Metaforce

Rapid Set® Cement is a solution for concrete applications requiring the highest durability and fastest strength gain. Gain 5,000 psi in three hours with Rapid Set® for an unparalleled concrete performance. GCC is an exclusive dealer. Product Datasheet SDS.

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Lightweight concrete additive | Innovation Concrete Laboratory

We are looking for strategic partners for the market introduction and industrial implementation of the following patented construction additives and processes: I. For …

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Leading innovators in recycled waste cement additives for the

Leading innovators in the development of recycled waste cement additives include HeidelbergCement and Holcim, two of Europe's largest cement and concrete producers. HeidelbegCement has committed to achieve carbon neutrality across its entire concrete product portfolio by 2050. Recent progress towards this goal includes the first …

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Waste Cassava as Brick Additive. (Building Material Innovation for

Research has demonstrated that waste cassava is an ingredient in building materials [39]. It is demonstrated that when waste cassava, cement, charcoal and sand mixed in 2.5 kg composite and made ...

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Additive for lightweight concrete with PS | Innovation …

In the K4 project, our goal is to develop an additive that can be used to produce plastic granules (PP; PE), polystyrene bead waste (EPS) and rubber fragments of different sizes …

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Preliminary analysis of concrete reinforced with waste bottles PET

Fibers were used both lamellar type shown in Fig. 2 a, with a length of 32 mm and a section of 2 × 0.1 mm 2, and circular fibers (Fig. 2 b), with a diameter of 30–50 mm and a width variable around 5 mm, obtained, the latter fibers, removing the ends of the 500 cc. bottles, crushing and cutting them normally to their longitudinal axis. Given that, from …

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New CoolCure Concrete Admixture From: Silicone …

New CoolCure Concrete Admixture converts typical cement into a Type IV, low-heat cement resulting in up to 80% less heat and 50% greater strength. October 30, 2017. Silicone Solutions. …

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Rice husk ash as a partial replacement of cement in high strength

Effect of finely dispersed limestone additives of different origin on cement hydration kinetics and cement hardening. 13th International Congress on the Chemistry of Cement. (2011 ... New types of high performance concretes—potentials for innovations in concrete construction. Innov. Mater. Tech. Concr. Constr. (2012), pp. 43-58. CrossRef ...

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News | Chryso Group

CHRYSO GULF expands its concrete admixture business in Qatar. Chryso, a leading global player on the construction chemicals market announces that effective 1 March 2023, the admixture business of …

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New additives could turn concrete into an effective …

Introducing additives to concrete manufacturing processes could reduce the sizeable carbon footprint of the material without altering its bulk mechanical properties, an MIT study shows. New additives could turn concrete into an effective …

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