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REPAIR OF POST CONCRETING DEFECTS IN STRUCTURES

The Constructor

The repair material must be durable as the parent concrete. Materials for Repairing Post Concrete Defects: Before commencing the repair, the operative must have all the necessary materials and equipment. Correct technique : The correct technique and the correct tools are essential for repairing damaged concrete.

Concrete 247
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TYPES OF CEMENT AND THEIR USES

The Constructor

Blast Furnace Slag Cement It is obtained by grinding the clinkers with about 60% slag and resembles more or less in properties of Portland cement It can used for works economic considerations is predominant. and 5 hours respectively It is used in works where concrete is subjected to high temperatures, frost, and acidic action.

Concrete 190
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STRUCTURAL USES OF PRECAST CONCRETE

The Constructor

The backing concrete is made from an ordinary mix, whereas the façade may consist of a special mix, e.g. white Portland cement. However, it is used more frequently as a non-structural decorative façade. A great variety of forms, details and colours can be produced. Precast concrete cladding is not exclusive to precast frames.

Concrete 233
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COMPOSITION OF REACTIVE POWDER CONCRETE (RPC)

The Constructor

Portland cement – type V 1000 kg/m3 2. Portland cement – type V 955 kg/m 3 2. This compactness gives RPC ultra –high strength and durability.Reactive powder concretes have compressive strength ranging from 200 Mpa to 800Mpa. Typical composition of reactive powder concrete 800 Mpa 1. Fine sand ( 150 – 400 micron) 5001 kg/m3 3.

Concrete 161
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CONCRETE CURING METHODS

The Constructor

Plastic film materials are sometimes used to cure concrete. This reaction, called hydration, produces a stone-like substance—the hardened cement paste. Lap adjacent sheets 12 inches or more and weigh their edges down to form a continuous cover with closed joints. Leave the coverings in place during the entire curing period.

Concrete 189
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CELLULAR LIGHTWEIGHT CONCRETE?FLY ASH BASED

The Constructor

Therefore, flyash based CLC is considered as environment friendly sustainable material produced with least energy demand. It solves the problem of disposal of flyash and at the same time it reduces the cost of the construction.

Concrete 224
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All About Pavers | What Are Pavers | Types of Pavers and Cost | Most Popular Brick Paver Colours | Most Popular Brick Paver Colours

CivilJungle

Concrete pavers are widely used as a surface material for roads and driveways. Travertine pavers cost: from $4 to $11 per square foot for the material alone, while installation adds another $7 to $12 per square foot 7. Green cement, commonly known as Greencrete, is one such substance. For the average 300-square-foot patio 8.