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LandSec gives full go-ahead to two London office jobs

Construction Enquirer

The firm confirmed this morning that it had sanctioned full building go-ahead on its Timber Square office build in SE1 and the refurbishment of the 1960s Portland House office block in SW1, which have a combined total development cost of £780m. “Returns on both projects remain attractive, with gross yields on cost of 7.4%

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Different grades of Ordinary Portland cement

Construction Cost Estimating

Ordinary Portland Cement(OPC) is extensively utilized in the construction sectors as primary component for developing concrete, mortar, stucco, and non-specialty grouts. Ordinary Portland Cement is graded on the basis of its strength. Grades of Ordinary Portland Cement - The following grades of OPC are available: 1.

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Commonly used Indian Standard Codes (IS codes) for civil engineers

Construction Cost Estimating

Civil engineers who perform construction activities of big projects generally should be well versed with a wide array of IS codes since such projects require different types of construction materials in several structures like buildings, roads, steel structures, all sorts of foundations etc.

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Types of Concrete Blocks

CivilJungle

These type of blocks are rigid in nature so it increases the probability of road accidents. Paving blocks are also used in the parks, parking area or sometime in the footpath of any road. These blocks are constructed with Portland cement, aggregates, sand, high quality, etc. The general dimension of the paving block is 60 mm.

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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.

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Segregation of Concrete- Causes and prohibition

Construction Cost Estimating

So basically concrete or Portland cement concrete is a compound material of fine and coarse aggregate bonded together with a fluid cement or cement paste that become hardens over time. According to popular belief, concrete and cement is not the same thing; cement is actually just a part of concrete.

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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.

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