Specification for Transporting and Placing Concrete

Concrete drop during vertical placement shall not exceed 2.5m. For heights greater than 2.5m, the Contractor shall pour concrete through enclose chutes or access hatches, details of which shall be approved by the Engineer. This must comply with four main requirements, namely: It must be rapid so that the concrete does not dry out, lose …

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Different Types of Cement

There are different types of cement, but Portland cement is the binder used most widely. Although Portland cement is named after an area in UK where its use was originated, today it is manufactured all over the world.

Concrete Admixtures

Admixtures confer certain beneficial effects to concrete, including reduced water requirement, increased workability, controlled setting and hardening, improved strength and better durability. Admixtures are materials other than cement, aggregate and water that are added to concrete either before or during its mixing to alter its properties, such as workability, curing temperature range, set time or color. Many …

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Concrete Composition

Concrete is a composite construction material. which consists mainly of relatively inert mineral matter in the form of particles or fragments held together by a binding medium which gives concrete its solidity and strength.

Aluminium Formwork for High Rise Buildings

Now a day’s Aluminium formworks used to construction for High Rise Buildings. Probably the most versatile modern construction system, aluminium formwork system. This produces a lightweight panel with an excellent stiffness to weight ratio, yielding minimal deflections under concrete loading.

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