Giant Cement Holding, Inc. 320-D Midland ParkwaySummerville, South Carolina 29485U.S.A. (803) 851-9898Fax: (803) 496-5071 Source for information on Giant Cement Holding, Inc.: International Directory of Company Histories dictionary.

Blue Circle Industries PLC. 84 Eccleston Square London SW1V IPX United Kingdom (071) 828-3456 Fax: (071) 245-8169. Public Company Incorporated: 1900 as Associated Portland Cement Manufacturers (1900) Ltd. Employees: 20,818 Sales: £ 1.28 billion (US$2.01 billion) Stock Exchange: London. The U.K. cement industry has its roots in the …

Portland-Limestone Cement; PCR & EPDs; Lifecycle Emissions ; Sustainable Design; Sustainability & Codes; Green Rating Systems; Carbon Uptake; Economics. Dashboard. Dashboard Tutorial; Dashboard Access …

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 …

Portland cement (OPC) consists of tri and dicalcium silicates, tricalcium aluminate, and tetracalcium alumino ferrite and calcium sulfate as gypsum. It has adhesive and cohesive …

Other articles where ordinary portland cement is discussed: cement: Types of portland cement: …for Testing and Materials (ASTM): ordinary (Type I), modified (Type II), high-early-strength (Type III), low-heat (Type IV), and sulfate-resistant (Type V). In other countries Type II is omitted, and Type III is called rapid-hardening. Type V is known in …

Cement is a material that hardens and sticks to other materials to hold them together. Portland cement is a common kind, and made from quicklime (heated limestone) and clay. Cement is used to make concrete and mortar. Cement is widely used for plastering and rendering. Plastering is done for the inner walls, and cement rendering is done for the ...

Illustration. Portland cement silos in Washington, USA. Portland cement was a fast-setting cement invented in 1824 by the Yorkshireman Joseph Aspdin (1778-1859). Aspdin created the cement …

The Arkansas Portland Cement Company in Okay (Howard County); circa 1940s. Courtesy of the Butler Center for Arkansas Studies, Central Arkansas Library System / The Lucille and Parker Westbrook Collection.

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased. Portland Blast-Furnace Slag Cement a cement produced by grinding portland cement clinker together with pellets of blast-furnace slag (30–60 percent of the total weight) and a small amount of gypsum. It differs from ordinary portland …

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Portland cement is the most common type of cement in general usage in many parts of the world, as it is a basic ingredient of concrete, mortar, stucco and most non-specialty …

Portland cement of commerce. Portland cement is distinguished from other kinds of

Pervious concrete, i.e., no-fines concrete, is a pavement concrete with high porosity and, therefore, high water permeability. Vázquez-Rivera et al. [ 37 ] reported compressive strength and density values of pervious concrete ranging from 2.5 MPa to 13.5 MPa and 2120–2360 kg/m 3, respectively, while the increase in coal fly ash/binder …

Published Online February 6, 2006. Last Edited December 16, 2013. The Cement industry comprises establishments engaged in producing hydraulic cements, ie, cements which set and harden to a stonelike mass by reacting with water. The principal hydraulic cement is portland cement, a finely ground, usually grey, manufactured mineral product.

Portland cement is the most common type of cement in general usage in many parts of the world, as it is a basic ingredient of concrete, mortar, stucco and most non-specialty grout.It is a fine powder produced by grinding Portland cement clinker (more than 90%), a limited amount of calcium sulfate which controls the set time, and up to 5% minor …

Genetically-enriched microbe-facilitated self-healing nano-concrete. Brajadulal Chattopadhyay, in Smart Nanoconcretes and Cement-Based Materials, 2020. 1.3 Portland cement. Portland cement is the basic ingredient of concrete, mortar and plaster which consists of a mixture of oxides of calcium, silicon and aluminum. Portland cement and …

Formerly a state-owned business, Cimentos de Portugal SGPS S.A. (Cimpor) is the Iberian region's leading producer of cement and related products, including concrete, aggregates and mortar. Cimpor has also asserted itself as a rapidly growing player in the international cement market, building up key positions in Spain, Mozambique, Angola ...

Portland Cement. a hydraulic binder composed chiefly of calcium silicates. The most widely used cement in modern construction, Portland cement is obtained by pulverizing clinker with gypsum (3–7 percent); active mineral additives (10–15 percent) may be added to the mixture. Clinker is produced upon calcination (to the point of complete ...

Portland cement is the most common type of cement in general use around the world, used as a basic ingredient of concrete, mortar, stucco, and most nonspeciality grout. It was developed from other types of hydraulic lime in England in the mid 19th century and usually originates from limestone. It i

concrete. Building material made by mixing fragments of hard material (aggregate—usually broken stone) with mortar (fine aggregate—usually sand, water, and a binding-agent—now usually Portland cement ). Historically, concrete was made with lime, sand, and water, with brick-dust, crushed volcanic rock, and other materials added.

Mortar holding weathered bricks. Mortar is a material used in masonry to fill the gaps between blocks in construction. It is a mixture of sand, a binder such as cement or lime, and water. The mixture is applied as a paste that then sets hard. The blocks may consist of stone, brick, concrete, or some other material.

Ans: It is a hydraulic cement which was patented in 1824 by Joseph Aspidin. It is produced by heating a mixture of limestone and clay in a kiln to a high temperature of 1,450 °C. Then the clinker is ground to a fine powder which is known as Portland Cement. It has a wide range of applications in construction work.

Portland cement was a fast-setting cement invented in 1824 by the Yorkshireman Joseph Aspdin (1778-1859). Aspdin created the cement through experimentation when he discovered that a heated …

Geopolymer concrete is a type of concrete that is made by reacting aluminate and silicate bearing materials with a caustic activator, such as fly ash or slag from iron and metal production. It can be a suitable substitute for ordinary Portland cement (OPC). Geopolymer ConcretePortland cement. 1.

Portland cement, binding material in the form of a finely ground powder, usually gray, that is manufactured by burning and grinding a mixture of limestone and …

Portland cement is the most common type of cement in general usage in many parts of the world, as it is a basic ingredient of concrete, mortar, stucco and most non-specialty grout.It is a fine powder produced by grinding Portland cement clinker (more than 90%), a limited amount of calcium sulfate which controls the set time, and up to 5% minor …

Portland cement From Wikipedia, the free encyclopedia. Portland cement is the most common type of cement in general use around the world, used as a basic ingredient of concrete, mortar, stucco, and most non-speciality grout.

Portland cement of commerce. Portland cement is distinguished from other kinds of

Part of the book series: Encyclopedia of Earth Science ( (EESS)) Download reference work entry PDF. Portland cement is a nearly universal building material possessing relatively …

The dominant hydraulic cement used worldwide is Portland cement (Hewlett 1998 ), which consists primarily of hydraulic calcium silicates in addition to calcium …

Incorporated: 1900 as Associated Portland Cement Manufacturers (1900) Ltd. Employees: 18,637 Sales: $3.5 billion (2001 est.) ... Encyclopedia gives you the ability to cite reference entries and articles according to common styles from the Modern Language Association (MLA), The Chicago Manual of Style, and the American Psychological ...

Onoda Cement Co., Ltd. 6276, Onoda Onoda City, Yamaguchi 756 Japan (08368) 3-3331 Fax: (08368) 3-2011. Public Company Incorporated: 1881 Employees: 1,357 Sales: ¥ 420.68 billion (US$2.93 billion) Stock Exchanges: Tokyo Osaka Nagoya. Onoda Cement Company is the oldest and one of the largest cement companies in Japan, the country with the …

MEDUSA CORP., a nationally known cement company, was founded by 3 brothers, Arthur, Spencer, and Wm. Newberry, as the Sandusky Portland Cement Co. in 1892, with offices in Cleveland and a plant at Bay Bridge near Sandusky.The company was shortly renamed Medusa Portland Cement Co. for the Greek goddess Medusa, who turned all who …

1. — Ed Dinger. International Directory of Company Histories. The Monarch Cement Company 449 1200 StreetHumboldt, Kansas 66748U.S.A.Telephone: (620) 473-2222Fax: (620) 473-2447Web site: https:// Source for information on The Monarch Cement Company: International Directory of Company Histories dictionary.

A composite stonelike material formed by mixing an aggregate (such as stones of irregular shape or crushed rock) with cement (which acts as the binding material) and water, then allowing the mixture to dry and harden; portland cement, now used in making concrete, was not developed until the 19th century. Also see average concrete, cyclopean ...

Joseph Aspdin. 1779-1855. English bricklayer and inventor who patented Portland Cement. Concrete, a mixture of cement, gravel, and sand, had existed since the time of the Romans. However, the cement portion was often of uneven quality. Aspdin discovered that the key to making hydraulic cement (cement that would harden when mixed with …

gypsum (jĭpˈsəm), mineral composed of calcium sulfate (calcium, sulfur, and oxygen) with two molecules of water, CaSO 4 ·2H 2 O. It is the most common sulfate mineral, occurring in many places in a variety of forms. A transparent crystalline variety is selenite. A massive gypsum of delicate color and texture, readily worked into ornamental vases, boxes, and …