Tech Tuesday - Laser applications in construction

Laser applications in construction

In construction, laser level is a control tool that consists of laser beam projector and is affixed to a tripod leveled according to the device’s accuracy. Therefore laser technology is embraced by contractors working in larger scale projects. Lasers are used while carrying out grading, leveling and alignment activities.

a) Grading

Laser-based machine control systems are simple to use modular systems which are flexible and configured to machine and site requirements. It is designed so that it can provide visual guidance to machine operators for manual grading operations; the system contains a laser transmitter which emits a beam of light rotating 360 degrees and a laser receiver that is mounted on to the machine. The laser beam can either be flat plane for flat grade work or tilted for sloping work depending on the transmitter. Magnetically mounted receiver displays the grade status that is on, above or below. Laser based display systems are used to guide the cutting edge to grade and also it speeds up the operation of grading making the work being carried out to be more precise and profitable. Laser based display systems are very flexible consequently are used on wide variety of machines.

b) Leveling

A constant horizontal reference plane is provided by a laser level. The receiver detects the laser plane and grade rod while the operator can control level and elevation over the job site. Lasers are used in checking cut and fill requirements, leveling concrete forms and controlling excavation depth. Rotary lasers levels are commonly used in interior design.

c) Alignment

Interior and exterior applications it requires level and vertical alignment, usually a vertical and horizontal laser are used to provide horizontal and vertical reference for job site. Other applications include alignment and plumb of concrete forms, the layout of interior walls and hanging suspended ceilings. The main feature is that a visible beam enables the user to see laser position easily without necessarily using a laser receiver. Rotary lasers levels are commonly used in interior design. This type of a laser has a diode that projects a straight beam and an angled beam that directs the beam horizontally.

Lasers provide a competitive return to a contractor. Lasers are faster than traditional techniques. They are used during the construction process hence it result in increased productivity and profitability.

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