The field of Construction is one that is continuously growing and has recently received various innovations such as LIDAR. LIDAR, to begin with, is an acronym that stands for Light Detection and Ranging. It’s by itself a remote sensing technology just like RADAR. However, LIDAR delivers more capabilities due to its use of light. This is a technology that has over the years boasted of accuracy in the determination of distances and sizes of objects. LIDAR has also gained too much reputation in the construction sector where it is being used for various reasons. Its uses in construction are as follows.
Some of the uses of LIDAR in construction include:
1. 3D printing: Many structures that already exist and those that might need renovation may need to be scanned using LIDAR. This is because construction nowadays is done by the use of machines. These machines like the 3D printer must be feed with accurate data about the land and objects that they are working on. 3d printing thus enables the creation of actual imprints using a 3d Printer. LIDAR is helpful in the modeling of local terrains for analysis and this crucial data is fed into a 3d printer that accurately places building materials like wet concrete and building blocks at the required place. This automation is usually faster and error-free and in most cases because of the use of LIDAR technology in construction.
2. Shadow analysis: In cases where buildings are to be constructed at the same place or vicinity, a lot must be studied to ensure that no building or structure blocks another from receiving ample sunlight. LIDAR comes to help as it can produce the possible outcomes of shadows at different times of the day all at once. Engineers in construction are thus able to ensure that each building or structure is independent of the other through the production of shadow maps.
3. Land classification: Surveying of land before construction is usually very crucial in construction. This is because any structure that needs to be constructed must have its land analyzed before the actual construction. This ensures that the structure can firmly exist at the terrain without any issues. LIDAR systems offer many utilities or facilities that can do the work of analyzing all physical factors about the land. LIDAR thus facilitates the efficient surveying and land analysis which is actually an advantage to construction.
4. Tunnel survey: Tunnels are in most built or developed to carry water and especially excess water during times of great rains. Many buildings that are built usually possess these tunnels either beneath or beside them. However, the success of these tunnels can in most cases be linked to the great capability of LIDAR systems. LIDAR can ensure detailed capturing of data to be used in tunnel modeling. It is, however, important to note that the need for LIDAR in tunnel modeling is greatly recommended because it can work for tunnels in any environment e.g. under the sea or land.
5. Flaw detection in structures: Flaws or weaknesses like cracks are very dangerous and can result in big structures that are usually used by lots of people to cause devastating tragedies. During renovations, a full analysis of structures may be needed. Some flaws that are difficult to identify with simple manual methods say for example in buildings are thus usually analyzed using LIDAR technology. LIDAR can tell the size and location of flaws hence it has great importance in Flaw detection.
6. Drone Ariel survey: Drones are autonomous “aircrafts” that have seen to deliver many capabilities in various fields. Drones have not spared the field of construction from their benefits as they can be integrated with LIDAR scanners for increased analysis. For those who might need more information about constructed structures, an airborne LIDAR survey by drone will produce the best visualization. The drone is usually installed with a laser sensor and an optional camera. The camera offers high clarity images of the existing building or even the land terrains.
7. Land mapping: LIDAR is very useful in the visualization of patterns of the terrain. LIDAR systems can even add color schemes to digital maps generated on the computer screen. As we all know, no construction does not take place on the land surface. Therefore proper analysis of land and generation of digital maps and coordinates is equally important. Experts like architects must solely depend on these maps as they tools during design and optionally use Aided design software to create future structure models of structures. This software needs accurate data and this can be retrieved from LIDAR systems.
8. Elevation Modeling: LIDAR has greatly reduced the time It takes to create coordinates x, y, and Z for structures. This simply means that 3D analysis of the ground and the structure as a whole is easier than ever. Heights of structures can also be recorded at ease without issues in an error-free procedure.
9. Urban assessment: In many countries, national agencies are usually assigned the role of determining which places are secure for the construction of certain structures. Structures constructed in towns say for example in highways require authorization from such agencies. These agencies make use of LIDAR systems that analyze the terrains and features available near towns either from an airborne view or a terrestrial manner. Without LIDAR such planning would become very slow or incompetent.
10. Optic fiber and sewer passage analysis: Optic fibers are an important aspect of structures as they bring the connection to devices like CCTV cameras that may be installed in big structures. LIDAR is thus profound in examining their presence and helps make decisions on the planning of construction activities. Detailed information about sewer lines is also captured for further study by experts in construction.