Concrete

Concrete is more of a composite building material that brings together finer or coarse aggregates and any type of cement binder. Gravel and sand, besides water, are the essential ingredients one requires for a good concrete mix. Cement is used in the necessary proportion for getting the kind of strength required for the building project.

Types of concrete

Depending upon the type of specialist application, there are different types of concrete available for different construction projects. Regular concrete is prepared according to instructions commonly found on the packets of cement and is used more for smaller masonry projects. Self-consolidating concrete with its advantage of extreme fluidity is used in construction of bridges and road projects and is popular in many countries. Shotconcrete is used for vertical surfaces and uses compressed air to cast concrete on to the frame or structure. Other types of concrete include cellular concrete, roller-compacted concrete and asphalt concrete.

Testing concrete

Most engineers would give high importance to concrete testing. Normally they specify a 28-day compressive strength. However a 28-day strength is a long time to wait and hence a three-day or a seven-day strength is used to determine to predict the strength of the concrete. This is particularly important for construction of roads and bridges. Precasting of concrete blocks or slabs is another important activity that will include concrete testing. Instrumented hydraulic rams are used to determine the compressive strength of cylindrical samples of concrete to be used in the project.

Other processes in the use of concrete

Preparing a good mix of concrete involves other processes such as mixing, blending, curing, testing for expansion and shrinkage and testing for cracking. Most of these processes involve testing the strength of the concrete before it is used at the site of construction. These processes can help the construction engineer or contractor to make changes if any before the concrete is utilized in the project. Mass concrete structures such as dams, and highways or bridges, reinforced concrete solutions for important construction activity and prestressed concrete is being used on a large scale for construction work in many parts of the world.

More concrete articles

Concrete
Concrete is more of a composite building material that brings together finer or coarse aggregates and any type of cement binder. Gravel and sand, besides water, are the

Stamped Concrete
Concrete can be made to resemble tiles, stone, bricks and even wood. This kind of stamped concrete is used to beautify paths, driveways, footways, pool decks, entries and even courtyards or patios. Due to the vast choice of colors and patterns available, stamped concrete is an interesting option to be considered for exterior décor.Availability of optionsStamped concrete is available

Ready Mix Concrete
A building or construction worksite may need a continuous supply of concrete. If this concrete is mixed and produced at the site, a lot of time could be wasted on getting the right ratio for the mix and also in getting all the ingredients delivered to the site. The solution for this kind

Precast concrete – the long-lasting miracle
Pre-casting concrete is an ancient concept. However with the development in the technology of construction, the technique developed for precast concrete is fairly modern, since it never existed before the 20th century. This is a technique where the concrete is put into structural containers before it is actually brought

Pouring a concrete pad
It is generally observed that high traffic areas in the exterior of a house may become bare and muddy due to constant use. It is not possible to grow grass at such spots. What is possible is to pour a concrete pad

Insulated Concrete Form
A concrete wall that is formed by using stay-in-place concrete forms is known as an insulated concrete form. These concrete forms are known to consist of thermally resistive foam insulation and have the quality of being durable to a large extent. Advantages of insulated concrete formInsulated concrete form ensures insulation at a very superior level if included right at the time of construction of the structure. Energy saving is high and thus utility bills are consequently

Decorative concrete – For that priceless elegance.
Today we are looking for new and better ways of making our homes beautiful and stylish. Gone are the days when homes were designed on a common blue print. With interior designing catching up the ‘living area’ whether it be home or offices are sure looking for new and innovate ways for being different and stylish.

Concrete Wall
A house or for that matter, any construction is incomplete without walls. Walls are mainly used to create living spaces and at the same time distinguish between different areas meant for particular use in a house or office. Walls separate the living room from the kitchen and the bedroom. Walls separate the work and study area from the rest of the house. Walls are essential to mark the distinct area of space within and outside a house.

Concrete Tool
Concrete tools are used in construction activity for placing, spreading and finishing the concrete. Each activity requires a different concrete tool for best results. Most concrete contractors are equipped with such tools that are handled manually and do not require any electricity or battery to charge them. Smaller equipments or tools can also be purchased from most home improvement supply stores. Concrete tools for different activitiesConcrete may

Concrete Table
A public park, outdoor restaurant and schools are incomplete without the presence of concrete tables. Those strong and decorative structures meant for rough use throughout the year are known to add volumes to the beauty of the landscape while serving the purpose of accommodating picnics, get-togethers or simply youngsters in school at their lunch or play. What are concrete tables made of?Concrete tables are made of precast concrete cast into different molds and then

Concrete Mold
Concrete mold is mainly a way of using concrete to its optimum. Concrete can be patterned or molded into any shape or pattern. Concrete molds are mainly used for decorative purposes. Sometimes they may have functional use as well. They are used in constructing...

Concrete Coating
Concrete is used for a wide variety of purposes in building construction. Concrete is a mixture of different substances such as cement, gravel,...



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 Concrete News

Concrete Falls of Downtown Peoria Building (WEEK-TV Peoria)
A large chunk of concrete fell off the Stuber building Tuesday morning.

Blair to co-host financial forum - BBC News

BBC News

Blair to co-host financial forum
BBC News, UK - Nov 18, 2008
By Mark Lobel Former prime minister Tony Blair will co-host a financial forum with French President Nicolas Sarkozy to look for "concrete solutions" to the ...
France to hold new economic-crisis summit in January Earthtimes (press release)
France to host economic crisis meeting in January Xinhua
ANALYSIS-Europeans cheer G20 summit, eye implementation Forbes
Reuters UK - BusinessWeekall 325 news articles


County Approves Concrete Plant For Tract of Land Near Cheverly (Washington Post)
The Prince George's County Council voted yesterday to allow the developer of a concrete plant to move forward with his plans to build a facility in an unincorporated area of the county known as Cedar Heights, a small community just outside of Cheverly.



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