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TYPES OF CONCRETE MIX DESIGN

The Constructor

Nominal Mixes In the past the specifications for concrete prescribed the proportions of cement, fine and coarse aggregates. Nominal Mixes In the past the specifications for concrete prescribed the proportions of cement, fine and coarse aggregates.

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WHY WE TEST CONCRETE SRTRENGTH AFTER 28 DAYS?

The Constructor

WHY WE TEST CONCRETE SRTRENGTH AFTER 28 DAYS? WHY WE TEST CONCRETE SRTRENGTH AFTER 28 DAYS? Tweet Why do we test concrete compressive strength after 28 days? The table below shows the compressive strength gained by concrete after 1, 3, 7, 14 and 28 days with respect to the grade of concrete we use.

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CONCRETE CURING METHODS

The Constructor

Both the rate and degree of hydration, and the resulting strength of the final concrete, depend on the curing process that follows placing and consolidating the plastic concrete. This reaction, called hydration, produces a stone-like substance—the hardened cement paste.

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CELLULAR LIGHTWEIGHT CONCRETE?FLY ASH BASED

The Constructor

It has many advantages when compared to the normal conventional concrete. Fly ash is considered as one of the waste industrial product that cannot be easily disposed. It solves the problem of disposal of flyash and at the same time it reduces the cost of the construction.

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THIN SHELL CONCRETE STRUCTURE?TYPES & FORMS

The Constructor

The shells are most commonly flat plates and domes , but may also take the form of ellipsoids or cylindrical sections, or some combination thereof.

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COMPOSITION OF REACTIVE POWDER CONCRETE (RPC)

The Constructor

It is new technique involved in the civil engineering.Reactive powder concrete in made by replacing the conventional sand and aggregate by grounded quartz less than300 micron size, silica fume, synthesized precipitated silica ,steel fibers about 1 cm in length and 180 micron in diameter.

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Free Interior Design Softwares

The Constructor

All of these elements are used by interior designers to develop a functional, safe, and aesthetically pleasing space for a building’s user. The work of an interior designer draws upon many disciplines including environmental psychology, architecture, product design, and traditional decoration (aesthetics and cosmetics).

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