Blended cement can be defined as uniform mix of ordinary Portland cement (OPC) and blending materials such as silica fumes, fly ash, limestone and slag to enhance its properties for different uses. Blended cement can improve workability, strength, durability and ...
Cement
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Inspection and Testing of Ready Mix Concrete
Inspection and testing of ready mix concrete is crucial to ensure that all specified conditions meet the acceptable criteria. Ready mix concrete, which produced in batching plant and transported to construction site by truck mounted mixers, are commonly inspected and ...
Various Codes for Construction Material Testing
Various standard codes for testing of construction materials are specified by ASTM international, Eurocodes, IS Codes, BS Codes, etc. These codes specifies testing procedure and methods for concrete, masonry, aggregates, steel, soil and other building materials. Codes and standards are ...
Role of Gypsum in Cement and its Effects
Gypsum is a mineral and is hydrated calcium sulphate in chemical form. Gypsum plays a very important role in controlling the rate of hardening of the cement, so its is generally termed as retarding agent of cement. It is mainly used ...
Fineness Modulus of Cement by Dry Sieving
The Fineness modulus of cement is an empirical figure obtained by adding the total percentage of the sample of an aggregate retained on each of a specified series of sieves, and dividing the sum by 100. The proportion of cement of which ...
14 Uses of Sedimentary Rocks in Civil Engineering
Uses of sedimentary rock can be found in almost all buildings and public structures. This makes it substantially important construction material in civil engineering projects. The sedimentary rock is formed by the settlement and subsequent cementation of mineral or organic particles on the ...
Expansive Cement – Manufacture, Properties, Types and Uses
Expansive cement is special type of cement when mixed with water, which forms a paste that tends to increase in volume to a significantly greater degree than Portland cement paste after setting. The expansion of the cement mortar or concrete is ...
Hydrophobic Cement – Manufacture, Properties and Uses
As the name of the cement denotes, hydro means water and phobic means against. Hydrophobic cement is obtained by grinding portland cement clinker with a film-forming substance such as oleic acid in order to reduce the rate of deterioration when the cement is ...