Thursday 23 March 2017

Types of carpenters and their work

Carpentry is a skilled trade in which the primary work performed is the cutting, shaping and installation of building materials during the construction of buildings.

The advancement of technology has allowed the modern society to enjoy the convenience of building structures with the best materials available in the market. However, there still remain a big number of people out there who prefer the traditional style and comfort provided by carpentry. This is where you can make best use of the help by a carpentry building Construction Company.
Carpentry has long been a craft that produces quality materials. This involves woodworking with the use of the right skills and creativity. Through these resources, a carpenter can create small wooden objects, useful furniture pieces and even sturdy buildings and structures.

What are the materials used?
Carpenters traditionally worked with natural wood which has been prepared by splitting, hewing, or sawing with a pit saw called timber. Today natural and engineered lumber and many other building materials carpenters may use are typically prepared by others and delivered to the job site. Tasks performed by union carpenters include installing flooring, windows, doors, interior trim, cabinetry, solid surface, roofing, framing, siding, flooring, insulation etc.

Types of carpenters and their work
·        A finish carpenter also called a joiner is one who does finish carpentry, that is, cabinetry, furniture making, fine woodworking, model building or other carpentry where exact joints and minimal margins of error are important.

·    A trim carpenter specializes in molding and trim, such as door and window casings, mantels, baseboards, and other types of ornamental work. Cabinet installers may also be referred to as trim carpenters.

·      A cabinetmaker is a carpenter who does fine and detailed work specializing in the making of cabinets made from wood, wardrobes, dressers, storage chests, and other furniture designed for storage.

Green carpentry is the specialization of the use of environmentally friendly, energy-efficient and sustainable sources of building materials for use in construction projects. They also practice building methods that require using less material and material that has the same structural soundness.

Physical Health Benefits of Carpentry:
Wood working requires working with and carrying wood around a lot. This results in more physical activity, which results in better physical health. Keeping your body physically fit is really important and can help prevent the occurrence of various illnesses later on in life. By being physically fit you can reduce chances that you will have a heart attack, have seizures, become a diabetic, and reduce the chances of having a number of other illnesses.
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Wednesday 1 March 2017

WHAT IS CONCRETE?

Concrete is a composite material composed of coarse aggregate bonded together with fluid cement that hardens over time. Most concretes used are lime-based concretes such as Portland cement concrete or concretes made with other hydraulic cement.

How concrete formation takes place?
When aggregate is mixed together with dry Portland cement and water, the mixture forms a fluid mass that is easily molded into shape. The cement reacts chemically with water and other ingredients to form a hard matrix that binds the materials together into a durable stone-like material. Often, additives are included in the mixture to improve the physical properties of the wet mix or the finished material. Most concrete is poured with reinforcing materials embedded to provide tensile strength, yielding reinforced concrete.

How does it degrade?
Concrete can be damaged by fire, aggregate expansion, sea water effects, bacterial corrosion, calcium leaching, physical damage and chemical damage. This process adversely affects concrete exposed to these damaging stimuli.

How can it be repaired?
It may be necessary to repair a concrete structure following damage. Strengthening may be necessary if the structure is under strength.

Repair techniques
The first step should always be an investigation to determine the cause of the deterioration. The general principles of repair include: arresting and preventing further degradation; treating exposed steel reinforcement; and filling holes left by the removal of spalled or damaged concrete. The selection of the appropriate technique will depend on the cause of the initial damage and whether the repair is to be fully load-bearing or simply cosmetic.

One method for the repair of cracks is to use bacteria. BacillaFilla is a genetically engineered bacteria designed to repair damaged concrete, filling in the cracks, and making them whole again. Techniques for filling holes left by the removal of spalled or damaged concrete include: mortar repairs; flowing concrete repairs and sprayed concrete repairs.

Strengthening techniques
Various techniques are available for strengthening concrete structures, to increase the load-carrying capacity or else to improve the in-service performance. These include increasing the concrete cross-section, adding material such as steel plate or fiber composites to enhance the tensile capacity and providing additional pre stressing.

Coming up with a successful concrete repair
Structural concrete repairs incorporate new materials to the one that already exist to create a structural composite that will survive any environmental or operational conditions while concurrently providing an extension to the life service. Al boom group of companies provides wide range of services. For more details, do visit our website at http://www.alboomgroups.com/