Расчет пескобетона для стяжки пола: Расчёт пескобетона для стяжки пола с подробным примером

Рассчет стяжки — Калькулятор стяжки пола | Калькуляторы

Калькулятор стяжки пола

Калькулятор стяжки пола

Один из обязательных этапов строительства здания, либо капитального ремонта – это обустройство полов. Эта процедура не ограничивается установкой декоративного покрытия на основание. Также обязательна стяжка, которая необходима для передачи нагрузок, выравнивания поверхности и придания дополнительных тепло- и звукоизоляционных качеств.

Существует три технологии стяжки пола:

• Мокрая (или традиционная) – недорогой вариант с применением пескобетона;
• Сухая – с применением сухого материала, что исключает потребность в «созревании» слоя;
• Полусухая (механизированная) – аналог мокрой стяжки, который производится при помощи специального оборудования, ускоряет и упрощает процедуру.

Далее поговорим о расчете стяжки пола с калькулятором.

Если мы говорим о мокром методе заливки пола, важно просчитать необходимую высоту данного слоя с учетом площади помещения и перепадов поверхности на основании. Перепады просчитываются уровнем, с помощью которого на первом этапе нужно установить нулевую границу в каждом помещении. На следующем этапе следует расстояние от нулевого уровня до пола. Полученное значение является показателем перепада высот. Если показатель меньше 20 мм, то слоя материала в те же 20 мм будет достаточно для выполнения работы.

Следующий шаг – покупка материалов для стяжки. Условно можно выделить два способа получения смеси – «ручной» и «автоматический». То есть, вы можете использовать рецепт приготовления стяжки, смешав требуемые компоненты в нужной пропорции, либо достаточно купить готовую сухую смесь. Она продается мешками в строительных магазинах, и, если у вас нет опыта в подобных задачах, лучше использовать готовый материал, который нужно просто развести водой. Это гарантия того, что стяжка получится надежной и долговечной – любой просчет в консистенции ведет к скорым проблемам.

Но есть один инструмент, который существенно упрощает механику замера (актуально и для ручного приготовления смеси, и для просчета объема готового материала). Это калькулятор стяжки пола. Мы говорим о простой программе расчета, которая просчитывает необходимое количество сырья (с учетом «правильного» соотношения компонентов).

Все, что нужно знать для расчета расхода стяжки – это ширину и длину помещения, а также описанную выше разницу высот. Для расчета стяжки пола с калькулятором используется формула:

Длина * Ширина * Высота = Объем материала.

Похожие формулы используются в калькуляторе расчёта сухой стяжки Кнауф, которую можно тут же заказать с разгрузкой, доставкой и монтажом.

То есть, вы вводите в онлайн калькулятор стяжки пола нужные значения, жмете кнопку «рассчитать». Калькулятор стяжки пола далее выдает информацию о необходимых объемах для выполнения работы: цемента, песка и воды, либо сухой смеси из мешка и воды.

Работая с калькулятором смеси для стяжки пола, важно учитывать, что объем готового раствора всегда меньше величины отдельно взятых сухих компонентов и воды. На практике он составляет около 70% от изначального суммарного значения.

Какой бетон используют для стяжки?

Выбор марки зависит от специфики поставленной задачи. Например, в подсобных помещениях и гаражах будет достаточно бетона марки М150. Для жилых помещений любых типов чаще используют М200. Когда речь заходит о большой регулярной нагрузке на пол, применяют бетон марки М300 и выше.

Чтобы улучшить качество стяжки, в сухую смесь добавляют щебень мелких фракций. Прочность материала повышается за счет специальных пластификаторов, которые вводятся в раствор при замесе. Чтобы приготовить качественный раствор, важно скрупулёзно придерживаться пропорций компонентов. Сухие составляющие смешиваются с водой до исчезновения комков. Пластификаторы при этом необходимо тщательно размешать в воде.

Успешно вам рассчитать стяжку пола с калькулятором и выполнить задачу в лучшем виде!

90000 Floor screeds 90001 90002 A floor screed is usually a cementitious material made from a 1: 3 or 1: 4.5 ratio of cement to sharp sand. It may be applied onto either a solid in-situ concrete ground floor slab or onto a precast concrete floor unit. There are many proprietary screeds on the market and information about these can be obtained from the manufacturer. 90003 90004 Application 90005 90002 The screed may be directly bonded to the base, or laid unbonded onto a suitable damp proof membrane which is placed over the slab.Alternatively it may be applied as a floating finish over a layer of rigid insulation material. This application is suitable for use with cast-in water pipes to provide underfloor heating. 90003 90002 If reinforcement is required, this can either be in the form of a fine metal mesh, fibres which are normally polypropylene or a fine glass mesh. 90003 90002 The screed may be left as finished, or floated to produce a smooth surface on which to lay the specified flooring or finish.90003 90002 Ready-mixed sand and cement screeds that are factory-mixed and then delivered to site offer additional quality assurance over site-mixed screeds and offer a more consistent material. 90003 90002 Some manufacturers provide pumpable flowing screeds which can achieve very level finishes. Most of these screeds are anhydrite compounds and are based on a calcium sulphate binder. They are quicker to apply than a traditional sand and cement screed and may be applied to a minimum thickness of 25mm if bonded, 30mm if unbonded, or 35mm if a floating finish is required.They can also be used in conjunction with underfloor heating systems where a minimum 30mm cover to the pipes is needed. Up to 2,000m² / day may be laid using these screeds. 90003 90016 Traditional cement sand screeds 90017 90002 A bonded screed is bonded to the slab or substrate below, and the main way that bonded screeds fail is that the bond between the screed and the substrate fails. This is more likely to happen if the screed is too thick. An unbonded screed is separated from the slab or substrate below, and the main way that an unbonded screed fails is to lift or curl.This is more likely to happen if the screed is too thin. Bonded screeds should therefore be thin, normally less than 50mm. Unbonded screeds should be thick, normally 70mm or more, and 100mm or more if curling must be avoided. 90003 90002 Correctly specifying the depth and type of screed starts early in the design process. The issues that dictate the design of the screed include the architecturally specified floor finishes, the construction tolerances and the provision of falls. There may also be structural requirements such as preventing disproportionate collapse and the development of composite action with the concrete slab below.Sometimes, the use of a screed can be avoided. 90003 90002 This might be achieved by specifying tighter construction tolerances and / or structural finishes that are suitable to receive the flooring materials directly. If a screed is needed it can be either a traditional cement sand screed or more recently-developed proprietary pumpable self-smoothing screeds. These types are explained below, together with a list of related definitions and guidance on screed depths. 90003 90016 Screed definitions 90017 90002 There are particular definitions concerned with specifying screeds.In this article we have used the definitions in BS8204 and BS EN 13318: 90003 90028 90029 Levelling screed — screed suitably finished to obtain a defined level and to receive the final flooring. It does not contribute to the structural performance of the floor. 90030 90029 Wearing screed — screed that serves as flooring. This term was formerly known as high strength concrete topping. It is also used to refer to structural toppings as well as wearing surfaces. 90030 90029 Bonded — screed laid onto a mechanically prepared substrate with the intention of maximising potential bond.90030 90029 Unbonded — screed intentionally separated from the substrate by the use of a membrane. 90030 90029 Floating — screed laid on acoustic or thermal insulation. This is a type of unbonded screed. 90030 90029 Cement sand screed — screed consisting of a screed material containing sand up to a 4mm maximum aggregate size. 90030 90029 Fine concrete screed — screed consisting of a concrete in which the maximum aggregate size is 10mm. 90030 90029 Pumpable self-smoothing screed — screed that is mixed to a fluid consistency, that can be transported by pump to the area where it is to be laid and which will flow sufficiently (with or without some agitation of the wet material) to give the required accuracy of level and surface regularity.90030 90029 Curling — an upward deformation of the edges of the screed caused by differential shrinkage. 90030 90047 90002 It should be noted that pumpable self-smoothing screeds are often known as ‘self-levelling’ screeds. 90003 90016 Which type of screed? 90017 90004 Cement sand screeds 90005 90002 These are traditional screeds and are suitable for all applications, provided they are specified correctly. The biggest drawback is the drying time; BS 8203 estimates the drying time for a sand cement screed as one day for each millimetre of screed thickness up to 50mm thick.Further guidance on drying times can be found in the Code. 90003 90004 Calcium sulfate pumpable self-smoothing screeds 90005 90002 These screeds can be laid as bonded or unbonded. They can be laid in much larger areas than cement sand screeds, around 2000m 90059 2 90060 / day. However, they must not be used with reinforcement because the calcium sulfate is corrosive to steel in damp conditions. These screeds are also generally not suitable for use in damp conditions or where wetting can occur.These screeds are all proprietary products and therefore vary from one supplier to another, the guidance given here is therefore generic and the manufacturer should be consulted before specifying. If they are intended to be used as a wearing (structural) screed then the manufacturer should be consulted. 90003 90016 Thickness of levelling screed 90017 90002 A levelling screed may be chosen for various reasons. It might be to provide a smoother, flatter surface than can be achieved economically by the structural slab.Levelling screeds are also used to provide falls or to provide a finishing zone in which different types of flooring may be accommodated. 90003 90002 A common use these days is for a levelling screed to be used to accommodate underfloor heating. 90003 90004 Bonded cement sand screed 90005 90002 Recommendations for levelling screeds are given in BS 8204 Part 1, which recommends the minimum thickness of a bonded levelling screed should be 25mm. To accommodate possible deviations in the finished levels of the structural concrete, the specified thickness should normally be 40mm (with a tolerance of ± 15mm) this ensures a minimum screed thickness of 25mm.90003 90002 However CIRIA report 184 recommends that a tolerance of ± 10mm is adopted with a nominal depth of 35mm. This minimises the risk of debonding, but it should be noted that the tolerances specified for the top surface of the base concrete should be compatible. Where the bonded screed needs to be greater than 40mm the following options are available to reduce the risk of debonding: 90003 90028 90029 Use modified screed or additives to reduce the shrinkage potential. 90030 90029 Use fine concrete screed, which reduces the shrinkage potential, this has been used successfully up to 75mm.90030 90047 90004 Bonded calcium sulfate pumpable self-smoothing screed 90005 90002 Recommendations for pumpable self-smoothing screeds are given in BS 8204 Part 7, which recommends the minimum thickness of a bonded screed should be 25mm. Manufacturers quote maximum thicknesses of up to 80mm and therefore there are less restrictions on the overall thickness. A nominal depth of 40mm with a tolerance of ± 15mm can be comfortably specified. 90003 90004 Unbonded cement sand screed 90005 90002 The screed thickness should not be less than 50mm; therefore, to allow for deviations in the finished levels, the specified design thickness should be a minimum of 70mm.However, BS 8204-1 emphasizes that there is a high risk of screed curling with unbonded and floating levelling screeds. In order to minimise this, the screed should be either reinforced across the joints or made 100mm or more thick. 90003 90004 Unbonded calcium sulfate pumpable self-smoothing screed 90005 90002 The screed thickness should not be less than 30mm; therefore, to allow for deviations in the finished levels the specified design thickness should be a minimum of 45mm for a tolerance of ± 15mm.90003 90016 Thickness of wearing screed (structural topping) 90017 90004 Bonded screed 90005 90002 Recommendations for wearing screeds are given in BS 8204 Part 2, which recommends the minimum thickness of a bonded wearing screed should be 20mm (in contrast to the 25mm given for a levelling screed in Part 1). 90003 90002 To accommodate possible deviations in the finished levels of the structural concrete, the recommended thickness is 40mm. However the guidance in CIRIA report 1843 recommends that a tolerance of ± 10mm is adopted with a nominal depth of 30mm.The specification for the base concrete surface should be compatible. In some circumstances the design thickness will have to be increased above 40mm, but it should be noted that there is an increasing risk of debonding. 90003 90002 For hollowcore units, which often have an upwards camber, especially for longer spans, a nominal thickness of 75mm, rather than 40mm should be specified. 90003 90002 The risk of debonding is mitigated because it is usual to use a concrete of class C25 / 30 or above and mesh reinforcement.Using concrete rather than sand / cement screed reduces the shrinkage potential and the reinforcement in particular controls the drying shrinkage. This should ensure there is sufficient depth at mid span (i.e. the point of maximum camber) to allow for lapping the reinforcement whilst still maintaining cover to both surfaces. Even so loose bars or mesh reinforcement with ‘flying ends’ may be required to allow lapping of the reinforcement near the point of maximum camber. 90003 90004 Unbonded screed 90005 90002 The wearing screed should be at least 100mm thick but to minimise the risk of curling, consideration should be given to increasing the depth to 150mm.90003 90004 90109 Other design criteria for screeds 90005 90002 Sector guidance is focused on selecting the correct thickness for the screed. Other criteria may have an impact on the design including: 90003 90028 90029 Slip, abrasion and impact resistance 90030 90029 Type of traffic on the floor 90030 90029 Levels and flatness 90030 90029 Appearance and maintenance 90030 90029 Type of flooring to be used or applied 90030 90029 Drying out moisture in screed 90030 90029 Location of movement joints 90030 90047 90002 BS 8204 Parts 1,2,3 and CIRIA report 184 give ample guidance and should be referred to.90003 90016 Base preparation 90017 90002 For all types of bonded screeds (both sand / cement screeds and calcium sulphate screed) preparation of the base is of paramount importance. The structural concrete base should be at least C28 / 35 concrete with a minimum cement of 300kg / m 90059 3 90060. For precast units the surface of the units should be left rough during production and should be thoroughly washed and cleaned e.g. by wire brushing to remove all adhering dirt. Where required, the joints between the units should be grouted at least one day before the screed is placed.Where the levelling screed is designed to act compositely with the units and additional preparation of the units is required, contained shot blasting equipment should be used to avoid damaging the units. Where a screed is required over in-situ concrete then all contamination and laitance on the base concrete should be entirely removed by suitable mechanised equipment to expose cleanly the coarse aggregate. All loose debris and dirt should be removed preferably by vacuuming. 90003 90004 Further reading 90005 90002 British Standards Institution, BS 8204: Screeds, bases and insitu floorings 90109 — Part 1: Concrete bases and cement sand levelling screeds to receive floorings 90109 — Code of practice.BSI, 2003. 90109 British Standards Institution, BS 8204: Screeds, bases and insitu floorings 90109 — Part 2: Concrete wearing surfaces 90109 — Code of practice, BSI, 2003 90109 British Standards Institution, BS 8204: Screeds, bases and insitu floorings 90109 — Part 7: Pumpable self-smoothing screeds 90109 — Code of practice, BSI, 2003 90109 British Standards Institution, BS 8203: Code of practice for Installation of resilient floor coverings, BSI, 2001. 90109 Gatfield, M J.Report 184: Screeds, floorings and finishes — selection, construction and maintenance, CIRIA, 1998. 90109 Mortar Industry Association Data Sheet 22: Screeds 90109 90003 .90000 Concrete Floor Screed | Self Level Flooring 90001 90002 90003 Floor Screed Services 90004 90005 90006 For a smooth, flat finish we recommend finishing with floor screed, which we can supply in both large and small quantities depending on your needs and specification, we even have smaller trucks and pumps for sites where access is difficult or when you do not need large amounts of screed or concrete mix. Floor screeding is an excellent covering for underfloor heating, or for large commercial and industrial warehouses and workshops.So if you require quality floor Screed in Watford and surrounding areas then please get in touch with Base Concrete. 90007 90002 90003 Floor Screeding 90004 90005 90006 Screed floors can be layered on top of both insulation and underfloor heating in a number of mixes. Floor screeding is an excellent solution and we have worked closely with the domestic market, developers, architects, contractors and construction companies throughout Watford, Luton, Hemel Hempstead and beyond. 90007 90006 We offer 2 types of floor screed: 90007 90016 Conventional 4-1 sand and cement mix with fibres and retardant: 90017 90006 This is of a moist consistency that is compacted down to give you your finished floor before covering with a flooring, for example, wood, tile, carpet, hair like fibres are added to this mix to give extra bonding while curing, a retarder is also added to slow the curing down to give between 4-6 hrs of time to lay this product.90007 90016 Supply flow screed: 90017 90006 This is of a soupy consistency that is a self levelling product, this product does need a pump though to place the screed into your site as it is too wet to wheel barrow. 90007 90006 This product does need more preparation as it flows over the floor finding it’s own level, your floor has to be water tight by way of laying a membrane so no fluid can escape. 90007 90006 If you would like more information on the floor screed we have, or to get a quote on the amount you need then please get in touch today.For more information feel free to get in touch via our Contact Page or phone us on 01442 389105 for a quote. 90007 .90000 Floors and Flooring — SANS10400-Building Regulations South Africa 90001 Monday, July 13 2020 90002 90003 About Us 90004 90003 Contact Us 90004 90003 Terms & Conditions 90004 90009 90002 90003 Building Regulations (NBR) Intro. 90002 90003 Why National Building Regulations 90004 90003 The PAJA: A Law to Protect Your Rights 90004 90003 Housing Consumers Protection Measures Act 90004 90003 House Plan Submissions 90004 90003 Municipality Contact 90002 90003 Planning and Building By-Law Definitions 90004 90009 90004 90003 Zoning Schemes 90002 90003 Cape Town Zoning Scheme 90004 90003 Town Planning Scheme — JHB 90004 90003 Tshwane Town Planning Scheme 2008 90004 90009 90004 90003 National Building Regulations Glossary 90002 90003 Town Planning Definitions 90004 90003 Environmental A to Z 90004 90009 90004 90009 90004 90003 NBRs (SA) 90002 90003 Construction Laws & SANS 10400 90004 90003 Building Regulations Section 1 90002 90003 General Principles & Requirements-Part A 90004 90003 Structural Design-Part B 90004 90003 Dimensions-Part C 90004 90003 Public Safety-Part D 90004 90003 Demolition Work-Part E 90004 90003 Site Operations-Part F 90004 90003 Excavations-Part G 90004 90003 Foundations-Part H 90002 90003 Tree Damage to Walls & Foundations — SANS10400-H Annex-D 90004 90009 90004 90009 90004 90003 Building Regulations Section 2 90002 90003 Floors-Part J 90004 90003 Walls-Part K 90004 90003 Roofs Part-L 90004 90003 Stairways-Part M 90004 90003 Glazing-Part N 90004 90003 Lighting and Ventilation-Part O 90004 90003 Drainage-Part P 90004 90003 Non-Water-Borne Sanitary Disposal-Part Q 90004 90009 90004 90003 Building Regulations Section 3 90002 90003 Stormwater Disposal-Part R 90004 90003 Facilities for Disabled People-Part S 90004 90003 Fire Protection-Part T 90004 90003 Refuse Disposal-Part U 90004 90003 Space Heating-Part V 90004 90003 Fire Installation-Part W 90004 90003 Energy Usage & Sustainability (SANS 10400X & XA) 90002 90003 Fenestration Calculations 90004 90009 90004 90009 90004 90009 90004 90003 Construction Elements 90002 90003 Concrete Foundations 90004 90003 Concrete & Masonry 90002 90003 Concrete Mixes 90004 90003 Concrete Mixes by Weight and Volume 90004 90003 Concrete Slab 90004 90003 Concrete in Cold Weather 90004 90009 90004 90003 Glass and Glazing as a Construction Element 90004 90003 Roofs and Roofing 90002 90003 Anchor Roof Structure 90004 90003 Thatch Roofs and Lightning 90004 90003 Waterproofing Roofs 90004 90009 90004 90003 A Guide to SANS 10400XA 90004 90003 Facilities for Disabled Persons 90004 90003 90004 90009 90004 90009.90000 Screeding Concrete — How to Use a Concrete Screed 90001 90002 Aluminum Straight Edge Wagman Metal Products 90003 90002 Straightedges are used to «strikeoff» or «screed» the concrete. This process removes excess concrete and brings the top surface of the concrete to proper grade. 90003 90002 This step in the finishing operation is the most important in producing a true plane surface and takes place immediately after the spreading of the concrete. It must be completed before excess bleedwater appears on the surface.90003 90002 There are a wide variety of screeding tools-both hand tools (wood and magnesium) and mechanical tools (vibratory, oscillating, and roller). The important thing for this discussion is what they achieve and when screeding must be done. 90003 90010 SCREEDS & STRAIGHTEDGES 90011 90002 90013 Purpose: 90014 To strike off freshly placed concrete and make it as level as possible before finishing. 90003 90002 90013 What’s available: 90014 You can use a simple wood 2×4, or purchase hollow aluminum or magnesium straightedges.Metal straightedges are available in various lengths (from 6 to 24 feet) and cross sections. 90003 90002 90013 Buying tips: 90014 90003 90024 90025 90002 Wood straightedges should be straight and warp-free. Otherwise, they can leave undesirable ruts or crowns in the concrete surface. 90003 90028 90025 90002 Magnesium and aluminum straightedges are lighter than wood and will not warp or bow. They also are easier to clean because concrete will not stick to them. 90003 90028 90025 90002 Buy metal straightedges with capped ends to keep out wet concrete.Some tools have wooden or plastic plugs in the ends, but these can fall out and allow the concrete to enter. Tools with welded metal end caps are a better bet. 90003 90028 90025 90002 For more comfortable grasping, look for straightedges with kerfed edges that will not dig into your hands during use. You can also find keyhole-shaped straightedges with flat bottoms and rounded tops for easier gripping. 90003 90028 90025 90002 To help you gauge surface slope as you work, consider buying a straightedge with built-in or clamp-on bubble levels.90003 90028 90025 90002 For large jobs, such as commercial slabs, consider a power screed. 90003 90028 90049 90002 90013 Average costs: 90014 The cost for a wood 2×4 will be nominal and you might be able to use a piece of lumber you already have on the job. A 2×4 magnesium straightedge goes for about $ 75 (6-foot length) to $ 300 (24-foot length). 90003 90002 Featured Products 90003 90010 90057 POWER SCREEDS 90011 90002 A simple 2×4 and a fresno may work fine when it comes to leveling and finishing a small residential slab, like a sidewalk or patio, but to place large driveways and sprawling commercial or industrial slabs, you’ll need equipment with a lot more speed and efficiency.For projects of this scale, contractors typically rely on power screeds, not only to improve productivity but also to ensure a smooth, level surface. Here’s an overview of your equipment options. 90003 90061.