Concrete technology

laboratory-tests-of-cement

Laboratory tests of cement

Cement is one of the most widely used building materials in the construction industry. For using cement in important and major works, it is necessary for the user to test the cement in the laboratory to confirm the requirements of the Indian Standard specifications for its physical and chemical properties. Some of the major laboratory …

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Fly ash

Types of Pozzolans – Fly Ash, Silica Fume, GGBFS, Rice Husk Ash, Metakaolin.

The pozzolans can be grouped into two major categories namely, Natural Pozzolans Artificial Pozzolans The natural pozzolans have lost their popularity because of the availability of more active artificial pozzolans. In this article, we will discuss about the artificial pozzolans. Some of the important artificial pozzolans are Fly Ash Silica Fume Ground Granulated Blast Furnace …

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PPC cement

Portland Pozzolana Cement (PPC) | PPC vs OPC

What is Portland Pozzolana Cement (PPC)? The Portland Pozzolana cement is a mixture of Ordinary Portland cement (OPC) clinkers and pozzolana materials. PPC is a type of blended cement. It consists of 15-35% pozzolanic material, 4% gypsum and the rest is clinker. The pozzolanic materials are reactive siliceous and aluminous materials which themselves possess little …

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Types of cement and their uses in the construction industry

15 Types of cement and their Uses in the construction industry

Different types of cement exhibit different properties depending upon their chemical and physical characteristics like oxide compositions, fineness of grinding, etc. Various types of cement are produced to satisfy the need for usage in different situations. Various types of cement widely used in the construction industry are, 1. Ordinary Portland Cement (OPC) OPC is the …

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Manufacturing of cement | Process of manufacturing of cement

MANUFACTURING OF CEMENT

Manufacturing of cement From the previous article, it is clear that the raw materials required for the manufacturing of cement are calcareous materials, such as chalk or limestone, and argillaceous materials, such as clay or shale. Cement industries are established where these raw materials are available in plenty, eliminating the inconvenience of long-distance transportation of …

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Heat of hydration of cement

HEAT OF HYDRATION OF CEMENT – DETAILED EXPLANATION

HEAT OF HYDRATION The reaction of Bogue’s compound in cement with the water is exothermic i.e., the reaction liberates considerable quantities of heat. This liberation of heat is called the Heat of Hydration of cement. Read more about the hydration process of cement. The temperature and rate at which the hydration occurs greatly affect the …

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Hydration of cement

HYDRATION OF CEMENT- A DETAILED EXPLANATION

Hydration of Cement The powdered cement itself doesn’t exhibit any binding property. It acquires adhesive properties only when it is mixed with water. The chemical reaction that takes place between cement and water is called as Hydration of cement. The cement hydration reaction is exothermic i.e., during hydration, it liberates a considerable quantity of heat. …

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History and chemical composition of cement

CEMENT – Clear definition, History and its Chemical composition

CEMENT Cement is one of the unique and most important building materials in the field of construction. It acts as a binder that sets, hardens, and adheres to the other materials. It is a fine, soft, powdery type substance made from a mixture of calcareous and argillaceous materials that are found in nature such as …

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