Five modern types of equipment are a must-have at a construction site.

There has been a gradual evolution of equipment being used in construction works as in any other field. Earlier, you would need an array of instruments for completing one type of work and now it may be that you require just one instrument for doing multiple jobs. If the instruments can be used in an effective and appropriate way, one can ensure that the work is completed efficiently in a minimum time and economic manner. It might not be possible for an engineer to own all the instruments or equipment but there are a few types of instruments that have become indispensable for contractors and engineers. Some of these are discussed in detail below.

  1. Equipment for Excavation: This equipment is commonly used for digging, excavating, and disposing of the materials from a construction site to a place that is farther away from the place of work. They can also be used for snow clearance, lifting heavy objects, dividing the ground into contours, etc. Usually, an excavator will have a long bucket arm attached to a cabin where the operator operates and can use the machine to various ends. The excavator the contractor has at the site may be a power shovel, dragline, hoe, etc. depending upon the needs of the project. Each of these excavation equipment has particular features which can help in different types of construction work.
  2. Equipment for hauling and hoisting: The machines used for transportation of materials and debris are defined as hauling equipment. They may be operated on rails or roads and involve haulage of huge construction equipment and transit of different types of materials required and emanating from the construction sites. These include dump trucks.

Hoisting is described as the lifting of a weight from one place to another place covering a certain significant distance. The hoisting equipment includes cranes, jacks, chain hoists, and winches. Crane is special in the way that it provides three-dimensional movement of the arms.

3. Equipment for Compaction: There are different types of compaction machines like smooth-wheel rollers, sheep-foot rollers, and pneumatic type rollers. This equipment expels air from the soil voids by applying pressure in order to achieve a high relative density value. This is usually done at an optimum moisture content so that the soil over which the structure is to be constructed provides a strong base. Smooth-wheel rollers should be used for coarse-grained soils e.g sands and gravels. Pneumatic-tired rollers should be used for fine-grained soils like clays at an optimum moisture content. Sheep foot rollers are also used for clays.

4. Strain Gauge Transducer: In the field of civil engineering, strain gauge transducers convert the soil, water pressure, or any other structural stress to voltage for measurement with strain amplifiers. A certain special type of strain gauge transducer is also available in the market which helps in the measurement of temperature together with strain, stress, or displacement.

Thus the stresses and corresponding strains on the construction site can be obtained and a proper structure can be designed and constructed accordingly.

5. Equipment for construction material testing: These equipment are often used in the quality control processes which involve the analysis and testing of soil (geotechnical properties), concrete, tar, bitumen, cement, mortar, steel, aggregates, fillers, and other materials used by the construction company for different types of structures. The way in which the equipment performs analysis varies according to the material to be tested and the construction code being followed. These instruments can be used in quality control labs to test properties like hardness i.e resistance to abrasion, soundness i.e resistance to chemical attack, toughness i.e resistance to impact, and so on.

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By Cary Grant

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