Crushing & Grinding Machines

Different Types of Concrete Strengths and Their Uses

A multi-purpose concrete that is used on a wide range of commercial and domestic construction sit C25 is often used when pouring foundations footings It is also the ideal concrete for domestic slab foundations for house and bungalow floors GRADE C30 CONCRETE Strength 30...

Ready Mix Concrete Mixes

Consists of a minimum cement content 4-20mm stone graded sand and water Can be supplied with 10mm stone for specialist applications subject to a cost premium A water cement ratio mix to a 070 value 10 20 RC25/30 Designated Mix achieving 30 Newton/28 day strength Consists of a minimum cement content 4-20mm stone graded sand and water...

Concrete Calculator

Type Strenght Mix ratio Use C7 / C8 / GEN 0 7 Newton/28 day 1 4 8 Low strength and density concrete with low cement content Usually used as a sub-base for road works kerb and path edgings bedding and backing and bindings under slabs...

Chemical Admixtures

Superplasticizers also known as plasticizers or high-range water reducers HRWR reduce water content by 12 to 30 percent and can be added to concrete with a low-to-normal slump and water-cement ratio to make high-slump flowing concrete Flowing concrete is a highly fluid but workable concrete that can be placed with little or no vibration or...

Concrete Calculator Calculate How Much Concrete you Need

Mr Calculate needs a slab of concrete covering 20 feet by 20 feet at 6 inches deep 20 x 20 x 6 / 12 / 27 = 7407 cubic yards...

Cement Concrete

The Portland cement concrete mixture contains 340 kg cement/m 3 which is 20 kg above the minimum cement content for freeze-thaw-resistant concrete XF2-XF4 according to DIN EN 206-1/DIN 1045-2 The already optimised geopolymer concrete Dombrowski et al 2008 with a slag/fly ash ratio of approximately 80 20 does not need any heat curing...

How much does a 30 x 30 concrete slab cost My actual

On this page I m going to share with you what it cost to have a 30 x 30 concrete slab installed and also what it cost for slabs the size of 30 x 40 20 x 30 and 24 x 24 My name is Mike Day I ve owned Day s Concrete Floors Inc since 1985 My company installs many concrete slabs every year of various siz...

Concrete Calculator

Example calculation Estimate the quantity of cement sand and stone aggregate required for 1 cubic meter of 1 2 4 concrete mix Ans Materials required are 7 nos of 50 kg bag of cement 042 m 3 of sand and 083 m 3 of stone aggregate...

Concrete 1 cubic meter volume to kilonewtons converter

This general purpose concrete formulation called also concrete-aggregate 4 1 - sand/gravel aggregate cement - mixing ratio w/ water conversion tool is based on the concrete mass density of 2400 kg/m3 - 150 lbs/ft3 after curing rounded Unit mass per cubic centimeter concrete has density 241g/cm3 The main concrete calculator page...

30KG QUIKRETE CONCRETE MIX

-Quikrete Concrete Mix 30 kg-Just add water-Original 4000 psi concrete mix-Use for all general concrete work where a thickness of 2 or greater is needed-For making walk ways floors footings patios steps and setting posts and poles-A 30 kg bag covers approximately 3 ft² at 2 thickness...

Concrete Mix Design M30 Grade with Flyash as Partial

Estimation of Concrete Mix Calculations The mix calculations per unit volume of concrete shall be as follows a Volume of concrete = 1 m3 As cement is partially replaced by flyash initially we will go for 20 replacement...

C35 concrete mix what is the right mix Screwfix

Sep 22 2017 0183 32 The water ratio seems to be 1 kg cement to 05 liter of water to get a good hydration but for the mix I have now got a few options 1 - 2 - 2 or 1 - 2 - 4 or even 1 - 15 - 25 I don t have a vibrating poker and was wondering what manual alternatives there are to get rid of the trapped air...

Concrete Calculator

Free online concrete calculator for your construction projects Calculate the required weight and volume of readymix concrete you need for your wall column steps slabs footings and others Easy to use calculator for how much concrete you need in cubic feet cubic yards cubic meters tons tonnes as well as bags of concrete...

How to calculate material quantities for C30 concrete

Sep 26 2017 0183 32 If I should understand your question do you mean calculating for the proportions of cement fine and coarse aggregate that will give us a compressive cube strength of 30N/mm2 If yes...

Correct Ratios for Concrete Mixes

30 Mpa This is a high strength concrete and is suitable for suspended structural beams pre-cast beams and flagstones heavy-duty workshop floors and suspended reinforced floors To make 1 cubic metre of 30 Mpa concrete you will need to mix 10 bags of cement with...

How to Calculate the Total Bags of Cement and Tons of Sand

Aug 17 2018 0183 32 Density of 1 bag of Cement = 1440kg/m³ Quantity of cement required = 1/7 x 1440 kg/m 3 = 20571 kg Making allowance for Buckling between fresh and wet Mortar = 135 x 20571 = 27771 kg Quantity of cement required in bags = 27771/50 = 555 bags 555 bags of Cements = 1m³ of Mortar For 26m³ which Cover 100m² of Concrete Blocks...

2021 Concrete Slab Costs Cost To Pour Per Square Foot

Concrete Slab Cost A typical concrete slab costs 4 to 8 per square foot with most homeowners spending between 535 to 617 per square foot or 113 to 126 per cubic yard for both materials and installation Your final cost will depend on the slabs size thickness and if you any special reinforcement such as wire mesh or rebar...

Concrete Mix Ratio Calculator On Site Concrete Calculator

Concrete Mix Ratio Calculator An online on site concrete calculator to calculate the concrete mix ratio It plays a major role in creating a strong durable concrete block The major materials needed in the preparation of concrete blocks are portland cement sand aggregate stone and water...

Calculator

We also offer a hassle-free drymixed plaster PLASTERPRO in a 25kg bag = 1m 2 plaster coverage at 15mm thick Only available in Gauteng Enquire on 0860...

Try Our Concrete Calculator

How much concrete do I need and how long between loads We have provided a volume calculator for your convenience Small loads incur extra surcharges so it is always best to get your quantities right to avoid extra expense and delays in service Is there any specific site/truck requirements for the job...

Ordinary Portland Cement

According to Portland Cement Ordinary Portland Cement GB175-1999 the national standard the strength grades of ordinary cement can be divided into 325 325 R 425 425 R 525 525 R and their ages should be no less than the numerical value in Table 43The initial setting time of ordinary cement should not be earlier than 45 min and final setting time should not be later than 10 h...

SBR Concrete cement improver

unmodified sand/cement mixes eg approximately 20-30 minut f Refer to BS8204 part 3 1993 for additional information relating to polymer-modified cementitious flooring mix g High performance forced action mortar mixes eg Cretangle type are much better for mixing than concrete mixers 5 Typical Design Mixes...

Concrete Mix Design Illustrative Example M30 Grade M20

The mix calculations per unit volume of concrete shall be as follows Volume of concrete = 1 m3 Volume of cement = Mass of cement / Specific gravity of cement x 1/100 =...

Conventional grade C20 C25 and C30 concrete mix ratio

Jan 17 2018 0183 32 4 meet the above conditions to save cement and reduce the cost of concrete The strength of concrete is divided into twelve grades such as C75 C10 C15 C20 C25 C30 C35 C40 C45 C50 C55 C60 and so on The concrete mix ratio refers to the proportion of the components in concrete cement water sand and stone...

Concrete Calculator

While there are many types of cement Portland cement is the most commonly used cement and is an ingredient in concrete mortar and plasters Concrete can be purchased in multiple forms including in 60 or 80-pound bags or delivered in large amounts by specialized concrete...

Concrete Calculator

Enter the thickness width and length to find the number of cubic yards or bags of concrete needed for your project Give these calculations to your ready-mix supplier or use them to estimate how many 40 60 or 80 lb bags of concrete...

30 newton concrete

30 newton concrete hi i m building a small garden wall and need to know the mixing ratio for 30 newton concrete for foundation cement sand gravel water thanks thomas Advertisement 13-04-2012 11 37 2 Poor Uncle Tom Registered User...

How to calculate material quantities for C30 concrete

Sep 26 2017 0183 32 If I should understand your question do you mean calculating for the proportions of cement fine and coarse aggregate that will give us a compressive cube strength of 30N/mm2 If yes then this is the way to go about it using DOE Department of En...

Quikrete 30kg Ready

30kg Ready-to-Use Concrete Mix QUIKRETE Concrete Mix is used for general construction and repair of concrete where a thickness over 2 inches 5 cm is required It can be used for such projects as driveways sidewalks patios steps footings setting of posts...

2021 Concrete Prices Concrete Truck Delivery Costs Per

Ready-Mix Concrete Pric Ready-mix concrete is pre-mixed in batches of 10 cubic yards or more and includes delivery up to 20 miles for 119 to 147 per cubic yardThe quality of ready-mix concrete is much higher than short load delivery because the concrete is precisely prepared at a mixing plant...