Webb(This calculator is for a C20 mix) Enter your dimensions to calculate the volume of concrete needed for your project, then enter this total into the second calculator for the materials necessary. Please remember that … WebbThe customised calculators require you to register an account with us. Once registered you will be able to customise the calculator parameters and use them for a trial period of 7 days. After the trial has expired, a small subscription of 0.50 GBP per calendar month is needed for continued use.

Sand Calculator

Webb2 sep. 2013 · Concrete Mix Ratio Using Ballast. For typical domestic use, 1 cubic metre of concrete at 3500 psi (25 MPa) can be readily created by mixing seven 50 kg bags of … WebbYou can also estimate the quantity of sand and gravel required by weight; Simply multiply the volumetric quantity of sand and gravel with 1400 kg/m 3 (bulk density of sand) and … pstar answer sheet

Metric calculator for concrete - cement, sand, gravel etc

WebbCalculates tonnage of grit sand required when compacted thickness and total area is known. Appears on: Laying Block Paving Screeding Calculators for Concretes and … WebbTo answer to the requirements of a foundation 500mm wide x 700 mm deep x a total of 10900mm long you will need: 5 no. 850kg bags of ballast and 60 bags of cement, (calculation below) (2.1+5.6+3.2) x 0.7 x 0.5 = 3.815 cubic meters x 1.5 = 5.7225 tonnes 5.7225 / 1.150 = 4.976 no. 850 kg bags of ballast (850 / 3) / 25 = 11.333 WebbJewson All In Ballast is a sand and gravel mix, usually comprised of sharp sand and 10/20mm shingle in equal measures. Ballast is mainly used in the production of concrete. This product is made with naturally occurring materials - colour and texture will differ due to the various locations it is sourced from. horsley hills best time to visit