When placing the driveway, ready mixed concrete should be delivered and discharged as quickly as possible. One to 1 hours is usually a reasonable time frame. The following is the

If the existing concrete, except for the finish, is in good shape structurally, you can cap the existing concrete with of 4000 psi concrete. If the existing concrete is less than thick,

Lay a concrete driveway at home A well-laid concrete driveway will give at least 20 to 30 years trouble-free service and can be laid quite easily by the ordinary homeowner. The concrete must be of high quality and be at least 75 mm thick. A width of 2,75 m is adequate. To prevent

Dec 28, Part 2Preparing the Driveway for Concrete. 1. Lay out the shape of your driveway with stakes. You can do this by driving small wooden or metal stakes at points where the drive will egress the street, then at the top of the driveway, then tying builder\'s line on them, to help you visualize the path of the

Apr 10, Cement starts off as a powder-like substance that is mixed with water. Concrete adds aggregate to that mixture to serve as a filler. It is the process of curing that turns the concrete into the hard, solid substance that we want it to be rather than a paste with rocks in it. Curing happens because mixing cement and water starts a chemical

May 30, For a driveway, the best concrete mix should have at least a compressive strength of 3500 psi (24.13 Mpa), a water-cement ratio of 0.50 t o improve concrete durability, aggregates no larger than 1-inch in size, and a slump of 4 to 5 inches. The combination should have a 6 percent air-entrainment value in regions with cold

Nov 27, All topsoil, roots, large rocks and vegetation should be removed from the area where the driveway is to be placed before you can start laying any concrete. You then need to prepare the subgrade by making sure got the right kind of soil and ensuring that compacted enough to support the drive. In some cases you may also need to

Oct 09, Step 1 - Site Work. Before concrete can be poured, the site needs to be prepared to reduce the chance of heaving from expansive soils and frost. On small projects, use hand to tools to clear the area of all grass, rocks, trees, shrubs, and old concrete, exposing bare earth. Earth moving equipment speeds up the process, especially for large

Jun 16, The best concrete mix for driveways is at least 3500 psi compressive strength and 5-6 inches thick over compacted gravel and earth with a water to cement ratio of .50 and aggregate less than an inch. Often times additional reinforcements are added like fiber, wire mesh or rebar and in cold climates the air-entrainment value should be around