Mixing concrete
The process of rolling, folding and spreading of particles is known as the mixing of concrete. The materials of concrete should be mixed thoroughly so […]
Month: August 2015
Curing of Concrete
Curing is the process where the concrete surfaces are kept wet for a certain period after placing of concrete so as to promote the hardening […]
No-fines Concrete
The no-fines concrete consists of cement, coarse aggregate and water. Thus the fine aggregate or sand is eliminated and such concrete has been adopted for […]
Ready Mix Concrete
Ready-mix concrete (RMC) is a type of concrete which is manufactured in a cement factory, or specifically known as the batching plant, according to a […]
Types of Cement
In addition to ordinary cement, following are the other important types of cement: Acid resistant cement Blast furnace cement Coloured cement Expanding cement High Alumina […]
Dumpy Level
The dumpy level originally designed by Gravatt, consists of a telescope tube firmly secured in two collars fixed by adjusting screws to the stage carried […]
Waterproofing concrete
For certain types of works like water storage tanks, reservoirs, basement walls, roofs, swimming pools, sewage units, etc. the impermeability of concrete is absolutely essential. […]
Lightweight concrete
The bulk density of ordinary concrete is about 23 kN/m3. The concrete having bulk density between 5 to 18 kN/m3 is known as lightweight concrete […]
Precast Concrete
The main difference between precast concrete and cast-in-situ concrete is that the former is a factory made product while the latter is prepared at site […]