PORTLAND CEMENT Meaning and
Definition
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Portland cement is a type of hydraulic cement commonly used in construction as an essential ingredient in the production of concrete. It is a finely ground powder made from a mixture of limestone, clay, iron ore, and other materials, which are carefully heated to high temperatures in a kiln in a process known as calcination.
The term "Portland" originates from its resemblance, when hardened, to natural building stones from the Isle of Portland in England. Portland cement is known for its remarkable property to harden when combined with water, forming a strong and durable material ideal for use in various construction applications.
The primary function of Portland cement is to bind together the different components of concrete, namely aggregates such as sand and gravel. When mixed with water, it undergoes a chemical reaction called hydration, where the cement particles form a paste that coats and adheres to the surfaces of the aggregate particles. This process results in the formation of a solid, rigid structure that gains strength over time, making it suitable for the construction of buildings, bridges, roads, and other infrastructure.
Portland cement is available in different types and grades, each designed for specific applications and conditions. These variations are characterized by factors such as fineness, setting time, strength development, and resistance to certain aggressive environments. It is widely used worldwide and remains one of the most commonly used construction materials due to its versatility, reliability, and ability to withstand various climatic and environmental conditions.
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A well-known cement, largely used in facng up brick and rough stone buildings to imitate hewn masses of stone, made from common limestone mixed with the muddy deposits of rivers which run over clay and chalk, which mixture is afterwards dried and calcined.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
Common Misspellings for PORTLAND CEMENT
- oortland cement
- lortland cement
- -ortland cement
- 0ortland cement
- pirtland cement
- pkrtland cement
- plrtland cement
- pprtland cement
- p0rtland cement
- p9rtland cement
- poetland cement
- podtland cement
- poftland cement
- pottland cement
- po5tland cement
- po4tland cement
- porrland cement
- porfland cement
- porgland cement
Etymology of PORTLAND CEMENT
The word Portland in Portland Cement is derived from its resemblance to a building stone quarried on the Isle of Portland in Dorset, England. Portland stone is an exceptionally strong and high-quality limestone used extensively in construction. The term Portland Cement was coined by the British bricklayer and stonemason Joseph Aspdin in the early 19th century. Aspdin's invention of this new type of cement, which resembled the color and texture of Portland stone, led him to name it Portland Cement.
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