Methods of Tying Several types of ties can be used with rebar. Some are more effective than others. The views in figure illustrate the six types used by the Seabees: (A) snap, or simple, tie, (B) wall tie, (C) double-strand tie, (D) saddle tie,...
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Reinforcing steel bars are used to help concrete withstand tension forces. Concrete by nature is sufficiently strong to compression forces, although tension forces can crack concrete. Deformed rebars on reinforcing steel were made a standard requirement since 1968, however, plain rebars are also used...
Pre-painting For exterior surfaces it is very important to undertake repairs of any wall imperfections before commencing painting. The most common problem with exterior walls specially old constructions is cracks in the wall. Avoid applying putty or filling compound while painting exterior surfaces. Fill...
Paints are used to protect metals, timber or plastered surfaces from the corrosive effects of weather, heat, moisture or gases etc. and also to improve their appearance. Functions of Paint Paint performs following functions : It protects wood from decaying. It prevents corrosion of...
Aluminium Paint The paint is prepared by holding very finely ground aluminium in suspension either in quick drying spirit varnish or slow drying oil varnish as per the requirements of the surface to be painted. The suspension liquid is spirit or oil, evaporates and...
Ceramic Tile: “Ceramic” comes from the Greek term Keramos, meaning “a potter” or “pottery”. Since the infancy of ceramics, up to this very day, the process is still very much the same; for the creation of all ceramic materials, one needs to bake a...
