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To make sure contractors meet the standard specifications of concrete a series of tests are ran. Cylinders are molded in order to crush on a machine to make sure they are the correct strength.
Fly ash is the ash that "flies" into the chimneys of coal-burning power plants. It's one of the residues from burning coal and is usually considered to be a waste product. The specific composition...
Concrete is a composite material of cement, aggregate materials (rocks, gravel, or similar objects), and water. Other materials are sometimes added to alter the properties of the concrete. These...
In the United States, there are approximately 6,000 concrete batch plants, according to National Ready Mixed Concrete Association. Each year, the industry produces approximately $30 billion worth...
This article is about learning on how to give an estimate on concrete projects or jobs. You will learn step by step instructions on how to give an estimate for concrete work.
Concrete workers--also known as cement masons--mix, spread, compact, finish and cure concrete for buildings, bridges, tunnels and roads using hand tools, troweling machinery and other power tools....
Piles are an important part of construction. There are different kinds of piles that are designed to carry the weight of the structures above them. The choice of piles can be determined by the...
Curing, the term used to describe the drying and settling of concrete, is an aspect of producing a completed concrete project that is every bit as important as the mixing, pouring and finishing....
Pouring concrete is backbreaking work but the tools you choose can make the job easier. When you're working on a flat pour, such as a driveway or a patio, arrange to have a concrete vibrator, a...
Cement is a binding material used in building and engineering. It begins as a powder that when mixed with water creates a heavy paste that when allowed to dry forms a very sturdy, rock-like...
Cement trucks carrying ready-mix concrete and those carrying bulk concrete need regular cleaning to avoid poor or inhibited performance. Dry cement mixes with rain or humidity and forms scales on...
Some instances require a cylinder of material to be removed so the cavity can be used. For example, in construction, concrete core drilling may be required to install handrail posts. The worker...
Installing hardwood floors on a concrete slab takes some pre-planning, but it can be done if you have some knowledge of construction methods. If you take necessary steps to ensure the correct...
Cement trucks are also commonly known as concrete mixer trucks. These large trucks are used by construction workers to carefully place large amounts of cement. New models of various concrete mixer...
General contractors are the main contractors hired to do a job. The general contractor is the person who deals directly with the homeowner or representative of a company the contractor has entered...
Making the task easier and more efficient is the goal of every construction tool; and today, tools of all types and prices assist builders and do-it-yourselfers in completing their projects. To be...
To cut through concrete, brick or slab walls, construction professionals use concrete saws. Much like masonry saws that are used for cutting bricks, tiles and blocks of stone, the concrete saw can...
Cement mixers have completely changed the way cement is mixed. Long gone are the days of hand-mixing. Cementer mixers provide a quick, easy way to mix cement without the strain and hassle of...
All concrete when cured forms a solid product that is useful in construction as a sturdy foundation on which to build or as a flat surface. However, standard concrete may crack and break under...
Before it can become a driveway, patio or foundation, concrete must be combined from a mixture of sand, aggregate or gravel, Portland cement and water. Once these ingredients are mixed together,...
There are varied opinions among professionals about when to use rebar to reinforce concrete. Although there are standard building codes which address the issue, it is difficult to write a single...
There are several ways to recycle old concrete, whether it comes from a house, a construction site or an old road. Recycling old concrete can keep waste out of the landfill. Breaking concrete is...
Recycled concrete aggregate is made from used concrete that's been removed from demolished buildings, bridges and others sources. The use of recycled concrete aggregate is typically restricted to...
Ground iron slag concrete is a form of sustainable concrete that can be used instead of cement. Slag is a by-product of iron factories and when treated and ground to a powder can be used, mixed...
Silica fume concrete is an alternative form of concrete which is a biproduct of silica metals and other materials. Silica fume concrete is incredibly strong and durable, and is preferred in...
Concrete aggregate is widely used in a variety of construction jobs. Using the recycled variety not only saves the environment, but can also save you money and help your company build greener...
The first use of fly ash cement for a large project was in 1929, when the engineers of the Hoover Dam found that it not only lowered cost by reducing the amount of cement necessary, but the shape...
Nothing can ruin a concrete pour project faster than losing the structure due to faulty planning. If the wall of a project "pillows out" the wall of the pour area, you can end up with a time...
Air-entrained concrete is lighter and weathers better than normal concrete. Developed in the 1930s, the introduction of bubbles into the concrete, combined with chemical mechanisms to work as...
When ferrosilicon alloys or silicon metal are produced, the byproduct is silicon fumes. Rather than continue the wasteful and ultimately harmful process of disposing of it, companies can recycle...
A concrete mixer combines cement, aggregate and water to produce concrete. If you own a construction company or have plans to pour a large amount of concrete, you may want to invest in such a...