Gen 3 is commonly used for light duty domestic applications and foundations. Bill Price : bill.price@uk.lafarge.com . SPCs are fairly basic mixes and have no strength guarantee, although this can be assumed based on the values contained within BS 8500. There are less emissions created when it is produced, providing environmental benefits. Concrete mixes can use a number of materials to give different qualities. Characteristics: A porous concrete mix, this allows water to penetrate and thereby reduces any flooding risks. An essential part of the designated concrete concept is the requirement for the producer to hold an appropriate level of product conformity certification, this requirement has been approved by the BSI Standards Policy and Strategy Committee. PAV2 is a substantial, heavy-duty use concrete suitable for commercial and industrial use. There is a wide range of cement and cementitious materials avail- able in the UK, available as either factory-made composite cements, or equivalent combinations of CEM I (Portland cement) and additional materials added at the concrete mixer. But not every concrete mix is the same, and depending on what you are aiming to achieve, you need to get a concrete mix that is fit for purpose. It is especially popular for bare finishes where nothing will be used to cover it. www.tylerley.com If supplies are from a quality assured supplier use GEN3. Hanson concrete can incorporate a proportion of Hanson Regen, (Ground Granulated Blast furnace Slag or 'GGBS'), which is a cement replacement material, helping to produce a product that generates a much lower level of CO2 emissions than ordinary cement. This allows you to only pay for what you use, adjusting the mix design to suit the application and site conditions. Characteristics: With added plasticisers to help pouring of this concrete flow more easily, it is known for high precision, smooth finishes. They are used in different types of construction applications. Want to find out more about this? This is for moderate exposure conditions. Characteristics: Characterised by the ability to sustain heavy loads, this heavy duty concrete can be used for raft foundations and slabbing for surfaces used by heavy vehicles. Have a query? It is ideal for un-reinforced foundations and bases for houses and extensions, trench-fill, kerbing, patios and unreinforced house floors as long as a permanent finish (such as a screed or floating floor) will be added. Portland cement contains hydraulic calcium silicates. This is the most common type of concrete used for domestic pavement construction, where no de-icing salts are used. Its properties are understood and it is robustly fit-for-purpose in concretes, It is especially useful for mass concrete work especially in sulfate-rich environment and marine conditions. These types of coloured cement are widely used for finishing of floors, external surfaces, artificial marble, window sill slabs, textured panel faces, stair treads, etc. It can be used to construct internal floor slabs that contain no embedded metal and will be covered by carpet, tiles or laminate flooring. Some types of readymix cement can be ready to build on in as little as 24 hours, but the general rule is you should leave the forms holding your concrete in place for at least two days to ensure that the concrete is completely dry before looking to deconstruct them. With the development of technology, quality and types of cement have also developed. Blinding is the process of pouring a thin layer of concrete over the floor of a new building; this can be over the hardcore or over the foundation itself. Class "G" Oil Well Cement. Cement is a binding material which makes a bond between aggregates and reinforcing materials together. View Hanson's ready-mixed concrete range to see the different proprietary concrete types and uses we have available. High-density Concrete: This type of concrete is also called heavy weight concrete. Hanson on Twitter Hanson on LinkedIn Hanson on Facebook Hanson on Youtube. It is also suitable for domestic garage floors, but we suggest a minimum of RC25/30 should be used if the garage is also used as a workshop. Need some friendly and expert advice? Different types of cement in civil engineering,Every civil engineer must know. 12. There are 5 types of cement : CEM I, II, III, IV, V For general construction use only types I and II are relevant. Structures built with this concrete should also see less cracking and shifting. Strength: Assume to be 7.5N/mm2 at 28 days, If supplies are from a quality assured supplier use GEN0. Slag cement or type S, containing 70% or more of slag, and with air entrainers, used to make concrete with Portland cement, or a pozzolan-lime cement (mortar) with lime. Characteristics: With high thermal qualities and the ability to be mixed with a number of additives, foamed concrete is a versatile material with numerous applications. Characteristics: Used in pavement construction and lighter applications outdoors, with PAV1 mixes there is increased protection from the freeze-thaw cycle. It can be used to construct internal floor slabs providing they don’t contain embedded metal and is ideal for house floors with no permanent finish (e.g. Characteristics: If there is no embedded metal in the floors, this concrete type is perfect. It is also ground finer, and contains a higher amount of C 3 S, both of which promote the rapid setting of concrete. Cement type. The requirements specify a minimum quantity of cement (minimum cement content, or MCC) to be included, but no water cement ratio (w/c) as such, they have relatively low levels of durability. While all concrete mixes have some common ingredients – namely: cement, water and a mixture of sand and stone – a number of different materials can be utilised to give the resulting concrete different properties. Calcium sulphate is added in the form of dead-burnt gypsum or an hydrite). Read through our guide to familiarise yourself with the different types of concrete. These have specified MCC and W/C and also permit only cement types known to provide appropriate resistance to chemicals found in the ground (primarily sulfates). 1. Characteristics: A strong mix, this concrete can be used for construction of foundations where heavy loads or traffic will be present. GEN2 should not be used externally unless completely covered or encased. It can also be used for structural support beams in construction. Standard mixes are a defined list of concretes within BS 8500 which are made with a prescribed quantity of materials as required in the British Standard. These designations give the concrete the necessary level of freeze-thaw resistance for conditions experienced in the UK and are suitable for almost all external domestic and structural roads, pavements and hard standings. If supplies are from a quality assured supplier use GEN2. Suitable for light foot and trolley traffic only. ST3 is widely used for light duty domestic applications and foundations but not usually suitable as a wearing surface. Whether you are looking for the right domestic or commercial concrete mix for your construction job, or are just curious about the different grades of concrete and would like to know more, read on to get an understanding of these different types of concrete and their uses, or get in contact today by calling us on 01442 389105 The FND designation used for a series of designated concretes that are used in foundation applications where the ground has been found to contain sulfates. It is the most commonly produced and used type of cement around the world, with annual global production of … Simplifying the ordering process reduces the chance of error and increase the likelihood of achieving the required durability and design life. Foundation concrete for use in sulfate containing soils to DC2-DC4 (design chemical class). PAV2 has an additive to help protect against the freeze-thaw cycles when used outdoors. Because of its strength it can sometimes be deployed for agricultural purposes. ST5 is used for many domestic, commercial and agricultural applications. Normal Cement: Commonly used in civil engineering.Normal cement mainly refers to 6 kinds: Portland Cement, Ordinary Portland Cement, Portland Slag Cement, Portland Pozzolana Cement, Portland-Fly Ash Cement and Portland Composite Cement. In this concrete type, the density varies between 3000-4000 Kg/m 3. All our calls are recorded for training and quality purposes. Type III Type III cement is chemically almost identical to Type I, though it has a lesser curing time, which means it hardens faster. By twisting this internal mix ratio and by altering the chemical inputs, special types of cement can be produced according to the needs. Concrete blocks are a form of construction material composed of concrete, cement, sand, water, and other additives. Characteristics: With the ability to carry heavy loads, this concrete is ideal for roads. Three broad classifications of cement are on sale in the UK: CEM I – made from ground cement clinker and a small percentage of gypsum to control the material’s setting time when mixed with water.. CEM II – is a cement containing between 6 and 35%, fly ash, limestone or blastfurnace slag, a by-product of steel production. Strength: Assume 25N/mm2 at 28 daysIf supplies are from a quality assured supplier use an RC20/25. This type of cement is produced by adding an expanding medium like sulpho-aluminate and a stabilising agent to the ordinary cement. Portland cement is a particular type of hydraulic cement. Type II cements are limited in C150/M 85 to a maximum of 8 percent by mass of tricalcium aluminate (a cement phase, often abbreviated C 3 A), which impacts a cement’s sulfate resistance. Have a query? It is formed from argillaceous, siliceous, calcareous etc. Therefore, the composition of cement is a matter of great interest to engineers. There are different types of concrete grades:Standardised prescribed concrete: ST1 | ST2 | ST3 | ST4 | ST5, General concrete: GEN0 | GEN1 | GEN2 | GEN3, Reinforced concrete: RC20/25 | RC23/30 | RC28/35 | RC32/40 | RC35/45 | RC40/50, Foundation concrete: FND2 | FND3 | FND4. The Hanson EcoPlus® range of high quality sustainable concretes is designed to help you meet current and future environmental agendas. While they do not cover every application and they restrict or limit the use of certain materials, they are suitable for many housing, agricultural and structural applications. I just got a strange type of concrete block – delivered by Home Depot when I ordered a standard pillar block. 3. In other words they look like regular pillar blocks but with the ends missing. Our customers' most commonly used types and varieties of cement are the following: Gray Ordinary Portland Cement. 0845 812 6296 : Properties/performance of low carbon, factory-made composite cements . 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