natural cement

natural cement

[′nach·rəl si′ment]
(materials)
Hydraulic cement made from pulverized and heated limestone containing clay, magnesia, and iron.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

natural cement

A product obtained by finely pulverizing calcined argillaceous limestone which has been burnt at a temperature no higher than necessary to drive off carbon dioxide.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
'We have discovered a new site at Khoirata in Kotli district having millions of tons deposits of Pozolana stone (natural cement) from where, the government can earn 4 to 5 billion rupees profit through auction of the site, ' Owais Khawaja, senior geologist of AKMIDC.
"We have discovered a new site at Khoirata in Kotli district having millions of tons deposits of Pozolana stone (natural cement) from where, the government can earn four to five billion rupees profit through auction of the site," Khawaja said.
Vitamin C stimulates formation of collagen, which is the natural cement and scaffolding found throughout the body.
The Bureau of Land Management says the 95-foot-tall lighthouse has been surrounded by scaffolding and wrapping since mid-October as old paint was removed and a natural cement wash was applied.
The study reveals that the animals attached themselves to fixed surfaces -- and to each other -- by producing natural cement composed of calcium carbonate, to form rigid structures.
The animals attached themselves to fixed surfaces and to each other by producing natural cement composed of calcium carbonate, to form rigid structures.
Vitamin C helps make collagen, the body's natural cement and scaffolding, found in tendons, bones, vital organs and the skin.
Portland cement (patented by Josef Aspdin in 1824) used similar materials like natural cement did, but the elevation of the temperature of burning up to the 1520 [degrees]C incurred clinkers with defined qualities.
In this rock, the natural cement that holds the grains together was very weak.
(Answers should include: The fossil was made of sandstone, and the natural cement that holds the rock together weakened, so one tap caused the stone to crumble.
Modern specialists in reconstruction of historical edifices have made significant progress in understanding these natural cements and repairing or rebuilding using modern versions of old techniques.

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