How to cut a concrete post? A masonary grade disc on a five inch angle grinder is recommended tool to use to cut through the concrete fence posts. Secure the post to a suitable work platform before you cut them using the grinder. Measure out the finished length onto the post. Mark this length on all four sides of the post.
Can you cut the top off a concrete post? You can, with care cut them at angle with a TS400 and good diamond blade. Paint the tops with bitumen paint or similar otherwise the rebar will corode and the concrete spall.
Can cement be used without sand? While sand is the most common aggregate used to create concrete, you can also mix cement with gravel, crushed stone or even pieces of old concrete. … The amount of water you mix in will depend on the aggregate material, but you’ll want somewhere between 15 to 20 percent of water.
Is concrete stronger without sand? No pure cement is not stronger than concrete as cement is only binding materials which bind aggregate and sand with the help of water. If alone cement is used it will shrink and has no compressive strength for which concrete is known for.
How to cut a concrete post? – Related Questions
Can stain sealer help with discolored concrete?
For best results, apply a sealer after you have finished putting on a coat of concrete stain, which will help blend the two layers together.
How much is a concrete control joint allowed to expand?
Usually, expansion joints should be no farther apart than 2 to 3 times (in feet) the total width of the concrete (in inches). So for a 4 inch thick concrete slab, expansion joints should be no more than 8 to 12 feet apart.
What 3 substances is cement mixed with to make concrete?
Combine sand, cement and water to make a mortar and to make concrete, add aggregates to the mix.
How to fix a cracked concrete water fountain?
Use a putty knife or similar tool, if necessary, to help the sealant penetrate the cracks and ensure that each crack is covered. Allow the sealant sufficient time to dry completely. Sand the sealant, if necessary, to create an even surface within the fountain. Apply waterproofing concrete sealant or paint if desired.
What is the function of aggregate in concrete?
Use a putty knife or similar tool, if necessary, to help the sealant penetrate the cracks and ensure that each crack is covered. Allow the sealant sufficient time to dry completely. Sand the sealant, if necessary, to create an even surface within the fountain. Apply waterproofing concrete sealant or paint if desired.
How to make quick set concrete?
The best and easiest way to make concrete set up faster is to use hot water to mix it with. If you use warm or really hot water, you’ll see an increase in the set time. The 2nd best way is to use an accelerator like flake calcium chloride. You can use this instead of hot water if hot water isn’t available.
Should you use concrete for wood fence posts?
Concrete is the most secure material for setting fence posts, especially if you have sandy soil. … Using premixed concrete rather than dry concrete will ensure ultimate security. While concrete is sturdy, it lacks the drainage of gravel and can trap moisture, ultimately leading to rot.
What size sleeve anchor for concrete block?
Anchors with diameters ranging from 1/4″ to 5/16″ are sufficient for most light duty applications while the 3/8″ and 1/2″ diameters are adequate for most medium duty situations. Sleeve anchors with diameters of 5/8″ and 3/4″ are usually considered heavy duty anchors.
Can you make concrete without sand?
While sand is the most common aggregate used to create concrete, you can also mix cement with gravel, crushed stone or even pieces of old concrete. … The amount of water you mix in will depend on the aggregate material, but you’ll want somewhere between 15 to 20 percent of water.
What are the materials used to create concrete?
Portland cement is the basic ingredient of concrete. Concrete is formed when portland cement creates a paste with water that binds with sand and rock to harden. Cement is manufactured through a closely controlled chemical combination of calcium, silicon, aluminum, iron and other ingredients.
What wood is used for concrete forms?
For concrete forming, the plywood industry produces a special product called Plyform®, which is recommended for most general forming uses. The term is proprietary and may be applied only to specific products which bear the trademark of APA – The Engineered Wood Association.
What concrete mix to use for stamping?
Bob Harris stresses the need for fines and cement paste to get a crisp stamped pattern. “I like a mix that has lots of paste—that’s fatty.” He recommends a 5 ½- to 6-sack mix. As mentioned in the section on materials, aggregate size is important in controlling shrinkage and the larger the aggregate the better.
How soon can i park on new concrete?
How Long Before I Can Park On My New Driveway? For Concrete: You may drive and park your personal vehicle on your new concrete surface after 7 days. Your new concrete is designed to reach 90% of its full strength potential after 7 days, so feel free to drive your personal vehicle on it then.
What is a concrete mixer shot?
How Long Before I Can Park On My New Driveway? For Concrete: You may drive and park your personal vehicle on your new concrete surface after 7 days. Your new concrete is designed to reach 90% of its full strength potential after 7 days, so feel free to drive your personal vehicle on it then.
What is a concrete rub block made of?
Made from silicon carbide, they’re popular with builders for smoothing stonework, concrete floors or removing mould marks on cast concrete. Rubbing blocks are also widely used by stone masons when working on headstones, monuments and other stone ornaments.
What is the best water cement ratio for mixing concrete?
The practical best water-cement ratio is from about 0.40 to over 0.60. A ratio of 0.3 is made concrete too stiff (unless superplasticizers are used). A ratio of 0.8 makes concrete wet and fairly weak concrete.
What are the most important factors affecting strength of concrete?
Concrete strength is affected by many factors, such as quality of raw materials, water/cement ratio, coarse/fine aggregate ratio, age of concrete, compaction of concrete, temperature, relative humidity and curing of concrete.
How to clean motor oil stains from concrete driveway?
Concrete strength is affected by many factors, such as quality of raw materials, water/cement ratio, coarse/fine aggregate ratio, age of concrete, compaction of concrete, temperature, relative humidity and curing of concrete.
How much does concrete weigh per cubic meter?
How Much Does Concrete Weigh? A typical concrete mix weighs 150 lbs per cubic foot, 4,050 lbs per cubic yard, or 2,400 kg per cubic meter. The weight of concrete is determined by its density, which can vary based on the amount of aggregate, water, and air in the mix.
How much does a cubic meter of concrete weight?
One cubic metre of concrete weighs 2.5 Tonnes. Typically, 1m3 of concrete is made up of 350Kg of cement, 700Kg of sand, 1,200Kg of chippings and 150 Litres of water.
What takes stains off concrete?
One of the most budget-friendly ways to spot-treat stains is with liquid laundry detergent and water. Target the area by pouring the soap directly onto the stain; use a stiff nylon brush to scrub the area (avoid wire-bristle brushes as metal can scratch concrete), rinse with water and allow to dry.