Raft Foundations Concrete Rafts Advantages and

Raft Foundations | Concrete Rafts | Advantages and Disadvantages

Concrete raft foundations; what are They, how are they constructed and how to make the decision on where to use them.

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What is the difference between raft and mat foundation

May 25, 2016 · Raft and Mat foundation are both same!! Don’t confuse with names. Raft foundation is a thick concrete slab reinforced with steel which covers the entire contact area of the structure like a thick floor. Sometimes area covered by raft may be greate...

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What is a Raft Slab - Structural Engineers

May 02, 2014 · A raft slab is reinforced concrete slab on ground that is strengthened with integral concrete beams in both directions. Usually, a raft slab is used as the foundation for new houses and extensions. Raft slabs in Australia are designed to comply with Australian standard AS2870.

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Raft Foundations - Superrafts

RAFT FOUNDATIONS SERVICES Services We employ up to twenty teams of the most experienced site personnel in the business and you can be assured of the best quality work available. Our services included the excavation of ground beams, installing of side shuttering, 250 micron plastic sheeting, fixing of reinforcement and pouring of ready-mix concrete. The […]

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Study of Combined Pile Raft Foundations for Heavy Dynamic

A combined pile raft foundation (CPRF) is a type of foundation which has the advantages of both shallow foundations (e.g., mat foundations) and deep foundations (e.g., pile foundations). The CPRF includes piles, raft (mat), subsoil and, occasionally, a cushion. Unlike traditional foundations, where the load is supported either by the piles or ...

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What are the Different Types of Raft Foundation?

02. Slab-Beam Type Raft Foundation: When column loads are unequally distributed or where the foundation is a very heavy structure where stiffness is principal requirement to avoid excessive distortion of the structure as a result of variation in the load distribution on the raft, in such case slab and beam type raft foundation is provided.

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RAFT FOUNDATIONS - Midslabs | Concrete Rafts & Slabs

A concrete raft foundation is designed to 'float' on the ground beneath. We use an extra-thick strengthened beams that can support a number of columns and walls. The beams is spread out under the whole building, and therefore lowers the contact pressure on the ground compared to other foundation types.

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Deep Foundation | Its 6 Types & Advantages

May 20, 2020 · A caisson foundation is a watertight retaining structure used as a bridge pier and used for the construction of a concrete dam and may also be used in the repair of ships. To some desired depth, it is a prefabricated cylinder sunk or hollow box into the ground and filled with concrete and forms foundation.

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Passive House Foundations, Insulated Foundations

Viking Raft Slab and Viking Waffle Slab are suitable for soft ground conditions, the weight of the house is transferred throughout the slab, so we have solutions for most situations. The floor below was designed to have a U-value of 0.25W/m.K but when the heat-loss due to cold bridging was added the U-value jumped to 0.47W/m.K.

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Innovative Raft Designs - AFT

Advantages; Innovative Raft Designs; Quick Quote Service. Advanced Foundation Technology will respond directly and quickly to your enquiry and in most cases will give you a quotation in less than 48 hours. We will need the following information from you in order to provide an accurate Quick Quote is the following: ... - Architects drawings ...

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Concrete Slabs | Raft Foundations | Concrete Structures

We have successfully completed in excess of 250 000m² of concrete slabs and raft foundations and various concrete structures mainly in the Gauteng area. Besides concrete slabs, concrete raft foundations we are known in Gauteng to construct beams, concrete columns, and concrete staircases since 2005.

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Advantages and Disadvantages of Mat Foundation

Mat foundation, also known as a raft foundation or floating foundation, is a way of giving extra support to a building. There are many reasons why Mat foundation is chosen by builders across the globe. One reason is if the soil, on which the building is constructed, does not have a bearing capacity. Since, this soil is not able to support the building on its own, a mat foundation is built ...

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What are raft foundations? - Quora

Apr 09, 2017 · Raft foundations (sometimes known as Mat Foundations) are a large concrete slab which can support a number of columns and walls. Raft Foundations are built is this following steps: 1.

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Raft foundations definition, description » Construction terms

Aug 22, 2011 · A raft foundation consists of a raft of reinforced concrete under the whole of a building. This type of foundation is described as a raft in the sense that the concrete raft is cast on the surface of the ground which supports it, as water does a raft, and the foundation is not fixed by foundations carried down into the subsoil.

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Insulated Raft Foundation - Touchwood Homes

A fully insulated raft foundation can be a very efficient and environmentally friendly solution because it uses less concrete and entails less digging and spoil removal than conventional foundation systems. The main limitation to this kind of foundation is the soil type that the site is situated on. Where there is shrinkable clay in the ground, … Insulated Raft Foundation Read More »

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