us7691198b2 dry mix cement composition, methods and

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US7691198B2 - Dry mix cement composition, methods and ...

US7691198B2 US12/239,335 US23933508A US7691198B2 US 7691198 B2 US7691198 B2 US 7691198B2 US 23933508 A US23933508 A US 23933508A US 7691198 B2 US7691198 B2 US 7691198B2 Authority US United States Prior art keywords aluminosilicate dry mix cement composition alkaline microns Prior art date 2006-03-29 Legal status (The legal status is an assumption and is not a

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Dry mix cement composition, methods and systems involving ...

9. A dry mix cement composition according to claim 1, including Portland cement in an amount of up to 30% (w/w), a setting control agent, or at least one additional aluminosilicate material. 10. A dry mix cement composition according to claim 1, including, as a

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EP2010460A1 - Dry mix cement composition, methods and ...

dry mix cement composition mix cement microns aluminosilicate Prior art date 2006-03-29 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Pending Application number EP20070718655 Other languages German (de)

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WO2007109862A1 - Dry mix cement composition, methods and ...

WO2007109862A1 PCT/AU2007/000408 AU2007000408W WO2007109862A1 WO 2007109862 A1 WO2007109862 A1 WO 2007109862A1 AU 2007000408 W AU2007000408 W AU 2007000408W WO 2007109862 A1 WO200

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Composition of cement

Composition of cement. Introduction Portland cement gets its strength from chemical reactions between the cement and water. The process is known as hydration.This is a complex process that is best understood by first understanding the chemical composition of cement.

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US8066813B2 - Cementitious compositions containing ...

A method of making a cementitious composition comprises (a) selecting at least one pozzolanic particulate material; (b) selecting and grinding at least one feldspar material to a fineness of at least 3000 Blaine; (c) mixing calcium oxide or calcium hydroxide with gypsum; (d) mixing the ground feldspar with the lime-gypsum mixture to produce an activator; (e) conditioning the pozzolanic ...

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Jointing and Pointing for Stone Paving - Dry Grouting ...

The surface of the paving must be completely dry. Any residual dampness will cause the sand/cement mix to "stick" and will probably result in a stain. Consequently, this is a technique that is only really practical during the summer months. Use a dry-ish building sand, plastering sand or, if so desired, a Kiln Dried Jointing sand.

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US6818055B2 - Porous silicate granular material and method ...

A porous silicate granular material, especially as aggregate for the production of construction materials such as lightweight concrete, mortar or heat-insulating plaster containing glass and a glassy crystalline component comprising 45 to 85 wt. % SiO 2 , 5 to 20 wt. % alkali oxide, 5 to 30 wt. % alkaline earth oxide and 2 to 30 wt. % of other oxides such as Al 2 O 3 and/or Fe 2 O 3 .

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Concrete Mix Design Calculations

1/22/2014 6 Basic Concrete Mix Design Materials Pounds of material S.G. Abs Volume 667 3.15 X 62.4 Cement 667 3.15 3.39-Total Cementious 667 Miller Stone 1590 2.6 9.80

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Concrete Mix Proportioning Online Courses

Oct 29, 2017  Concrete Mix Proportioning : The determine of the proportions of cement, aggregates and water to attain the desired strength and properties such as workability, durability etc., is called as concrete mix proportioning. The design of concrete mix is classified into following two types by IS 456:2000 (Clause 9) : (1) Nominal mix concrete.

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US Patent for Dry mix cement composition, methods and ...

A dry mix cement composition including an alkaline multi-phase aluminosilicate material, wherein the alkaline multi-phase aluminosilicate material provides a source of alkaline and soluble silicate to the cement composition.

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Dry mix cement composition, methods and systems involving

The invention claimed is: 1. A dry mix cement composition including an alkaline multi-phase aluminosilicate material, wherein the alkaline multi-phase aluminosilicate material provides a source of alkaline and soluble silicate to the cement composition, wherein the alkaline multi-phase aluminosilicate material is formed by activating an aluminosilicate material in the presence of an alkali ...

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Dry Mix Cement Composition, Methods and Systems Involving ...

Dry Mix Cement Composition, Methods and Systems Involving Same . United States Patent Application 20090071374 . Kind Code: A1 . Abstract: A dry mix cement composition including an alkaline multi-phase aluminosilicate material, wherein the alkaline multi-phase aluminosilicate material provides a source of alkaline and soluble silicate to the ...

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Composition Of Cement

Us7691198b2 Dry Mix Cement Composition Cement composition microns aluminosilicate material mpa prior art date legal status the legal status is an assumption and is not a legal conclusion.Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.Active application number us12239,335 other ...

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US Patent for Dry mix and concrete composition containing ...

The dry mix includes aggregate, cement, and bed ash. The bed ash contains the combustion product of a fluidized bed coal combustion reaction. Additionally, embodiments of a method of preparing the dry mix and embodiments of a method of preparing a concrete composition are provided. The dry mix is also suitable for repairing soil slips, and ...

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Composition of cement

Composition of cement. Introduction Portland cement gets its strength from chemical reactions between the cement and water. The process is known as hydration.This is a complex process that is best understood by first understanding the chemical composition of cement.

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method cement dry - 024uit

01/03/2015 In dry mixing method 2, 4, 6, 8 and 10% by dry mass of lime, cement and lime–cement (in equal amount) were added dry to the soil samples prepared at the water content of 132% equal to the liquid limit of the soil and mixed thoroughly with spatula for

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composition of sand in manufacturing of cement

Composition of cement. Manufacture of cement.Silica, SiO2: from sand, old bottles, clay or argillaceous rock; Alumina, Al2O3: from bauxite, recycled .Chemical composition of clinker. cement Definition, Composition, Manufacture, History .. Mortar is cement mixed with sand or crushed stone that must be less than approximately 5 mm (3/16 inch) in size.Concrete is a mixture of cement, sand or ...

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Dry Mix Process and Wet Mix Process for Shotcrete - The ...

Dry mix process and wet mix process are the two methods of shotcrete construction which are based on the time at which the water is added to the mortar or Shotcrete is a type of concrete or mortar mix that is shot onto a surface at high-speed. The shotcrete process can be performed in two ways, either using a dry mix or by means of a wet mix.

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Mechanical and Sorptivity Characteristics of Edge-Oxidized ...

This study explores two mixing methods: The dry-mix method and the wet-mix method. The dry-mix method uses EOGO as dry powder in cement composites whereas the wet-mix method uses a water-dispersed solution (using a sonication process). Varied percentages of EOGO, ranging from 0.01% to 1.0%, were used for both methods. To evaluate the concrete ...

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Concrete Mixing Methods and Concrete Mixers: State of the Art

Apr 01, 2001  2.1.2 Pan Mixers . All pan mixers work on basically the same principle []: a cylindrical pan (fixed or rotating) contains the concrete to be mixed, while one or two sets of blades rotate inside the pan to mix the materials and a blade scrapes the wall of the pan.The shapes of the blades and the axes of rotation vary. Figure 4 shows the different combinations of blade configurations and pan.

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Dry Mix Composition - Apps on Google Play

Dry Mix Composition. 57derajat Productivity. Everyone. 587. Contains Ads. Add to Wishlist. Calculator for concrete, mortar and plaster. To estimate quantities of materials. Read more.

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Cement set retarding additives, compositions and methods ...

May 13, 1994  A particularly preferred set retarded cement composition of this invention is comprised of hydraulic cement, water in an amount sufficient to form a slurry of the cement, e.g., an amount in the range of from about 30% to about 60% by weight of dry cement in the composition, and a copolymer set retarding additive present in the composition in an ...

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6 Different Types of Mortar Mix - Uses and Characteristics

To mix you will need a five gallon bucket or a wheelbarrow, depending on the size of the project, a hoe, a trowel, work gloves, water, and liquid cement color and safety glasses. Start by mixing half the water with the liquid cement color. Then add the dry mix to the water and cement color. Mix for about three to five minutes, adding water as ...

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Concrete Mixing Methods and Concrete Mixers: State of the Art

Apr 01, 2001  2.1.2 Pan Mixers . All pan mixers work on basically the same principle []: a cylindrical pan (fixed or rotating) contains the concrete to be mixed, while one or two sets of blades rotate inside the pan to mix the materials and a blade scrapes the wall of the pan.The shapes of the blades and the axes of rotation vary. Figure 4 shows the different combinations of blade configurations and pan.

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US Patent Application for Dry Mix and Concrete Composition ...

The dry mix includes aggregate, cement, and bed ash. The bed ash contains the combustion product of a fluidized bed coal combustion reaction. Additionally, embodiments of a method of preparing the dry mix and embodiments of a method of preparing a concrete composition are provided. The dry mix is also suitable for repairing soil slips, and ...

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Dry Mix and Concrete Composition Containing Bed Ash and ...

The dry mix includes aggregate, cement, and bed ash. The bed ash contains the combustion product of a fluidized bed coal combustion reaction. Additionally, embodiments of a method of preparing the dry mix and embodiments of a method of preparing a concrete composition are provided. The dry mix is also suitable for repairing soil slips, and ...

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[J. Res. Natl. Inst. Stand. Technol. Concrete Mixing ...

depends on whether the concrete has been well mixed prior to being placed in the truck or whether the truck has to do most of the mixing. Typically the speed for mixing is 1.57 rad/s (15 rpm), while the transport of pre-mixed concrete uses only 0.2 rad/s (2 rpm) to 0.6 rad/s (6 rpm) [1]. In the United States, most Fig. 1. Cross section of drum ...

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Method for providing modified cement compositions, dry ...

The present invention relates to methods for providing modified cement compositions having increased slip resistance and/or a decreased setting time in comparison to cement compositions comprising from 1 to 10 weight percent redispersible polymer powder (RDP) and water soluble cellulose ether in a specific amount from 0.1 to 1.0 weight percent, based on the total dry weight of said composition.

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Top 10 Facts about Dry-Cast Concrete - NPCA

Sep 10, 2015  3. Dry-cast concrete ≈ roller-compacting concrete. Although dry-cast concrete mix designs and applications have been used for decades within the precast concrete industry, the batching method is rarely discussed in concrete engineering classes. In fact, zero-slump concrete testing is not included in ACI Level 1 technician certification.

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Methods of Concrete Mix Design: 5 Methods Concrete ...

Mix Design by Indian Standard Method 4. American Concrete Institute Method of Mix Design 5. Rapid Method of Mix Design. 1. American Method of Mix Design: The American Concrete Institute (ACI) method is based on the fact that for a given maximum size of aggregate the water content in kilogram per cubic metre of concrete determines the ...

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Cement Testing: Types, Methods Equipment - Gilson Co.

Separate air-entraining admixtures dosed directly into ready mix concrete batches have mostly replaced these modified cement types. 2. ASTM C595/AASHTO M 240 is a prescriptive specification but covers blended hydraulic cements. It details the composition and tests required for blended hydraulic cements with Portland cement as the main ingredient.

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Concrete Mix Proportioning Online Courses

Oct 29, 2017  Concrete Mix Proportioning : The determine of the proportions of cement, aggregates and water to attain the desired strength and properties such as workability, durability etc., is called as concrete mix proportioning. The design of concrete mix is classified into following two types by IS 456:2000 (Clause 9) : (1) Nominal mix concrete.

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Products - ECOncrete

ECOncrete ® ’s admix, added as ~10% of the cement content in the mix, strengthens the concrete’s compression forces, reduces chloride permeability and in most cases can reduce the amount of Portland cement within the mix, thus reducing the project/product CO2 footprint.

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What Is Dry Mortar? (with pictures) - Home Questions Answered

Dry mortar is made from the following raw materials: sand limestone powder cement hydrated lime; Mortar is often used to installing and repairing tiles. Other materials may be added into the dry mortar mix depending on its intended application. Dry mortar can be used for a number of projects, including those using concrete blocks instead of bricks.

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Shotcrete - Wikipedia

Shotcrete is an all-inclusive term for spraying concrete or mortar with either a dry or wet mix process. However, shotcrete may also sometimes be used (incorrectly) to distinguish wet-mix from the dry-mix method. The term shotcrete was first defined by the American

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Shotcrete - an overview ScienceDirect Topics

Shotcrete is an all-encompassing term used to describe pneumatically projected concrete or mortar using either the dry-mix process or the wet-mix process. “Gunite”, an old term, refers only to the dry-mix process. In the dry-process (Fig. 4.1), a bone-dry cementitious mixture is blown to the nozzle through a hose, where water is added by the nozzleman.

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