Concrete laitance is a layer of weak and nondurable cement and fine particles originated from aggregate. These materials are moved upward due to movement of moisture (bleeding) through concrete because of the presence of too much mixing water. The quantity ...
Category: Building Technology Guide
Building technology and construction guide provides information on building and construction materials for different types of construction works.
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Dry Pack Mortar- Applications and Advantages
Dry pack mortar, which is also called deck mud or floor mud, is a mixture of sand, cement, and water. It is used to repair small spots, creating thick bed mortar for tile and brick placement, and bed shower installation. ...
Refractory Mortar – Types and Construction Practice
Refractory mortar is a specially engineered mixture of sand, calcium aluminate, cement, and fireclay. It is used to lay firebrick in places that are exposed to extremely high temperature. The refractory mortar is utilized only to build fire places and ...
Types of Form Ties Used in Formwork
Formwork for concrete structures is more important in order to get perfect dimensions of structural parts. Accessories used in formwork will also play a key role in it. Form ties are the important accessories of formwork. Different type of form ...
Lithium Silicate Chemical Hardener for concrete
Lithium silicate is a chemical hardener applied to the concrete surface to improve its strength, durability, longevity, and abrasive resistance. The increased strength of concrete is due to the calcium silicate formed as a result of lithium silicate reaction with ...
How to make Salt Finish Concrete Surface
Salt finish concrete surface is obtained by inserting coarse rock salt crystals using rollers on the freshly placed concrete surface and washing it off with streams of water after the concrete is set. This procedure gives a rough subtle texture ...
Concrete Gutter Construction- Methods and Work Procedure
Gutter is a concrete component that constructed beside pavements. The function of concrete gutter is to discharge water and prevent it to infiltrate beneath the pavement. Moreover, not only does it eliminates the need for side ditches but also it ...
Fly Ash – Properties, Types, Mechanism and Uses
Fly ash is a heterogeneous by-product material produced in the combustion process of coal used in power stations. It is a fine grey coloured powder having spherical glassy particles that rise with the flue gases. As fly ash contains pozzolanic ...