Comparative case study on the use of laser scanners for construction quality control and progress monitoring

Date

2009-10-01

Author

Atasoy Özcan, Güzide
Akinci, Burcu

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Laser scanning is an emerging technology used on construction sites for defect detection and progress monitoring. Most previous studies in this domain use data from a single scanner while discussing various data collection, processing and accuracy analysis strategies. With the purpose of comparing the tech-nical characteristics of two scanners and identifying the challenges of using them on construction sites, we conducted a case study on indoor laser-scanning of one floor of a five-storey commercial building in Pitts-burgh/PA/USA during its construction. The two scanners used in this study adopt two different positioning techniques: pulsed-time-of-flight (obtaining the distance to an object by timing the round-trip traveling-time of the laser) and amplitude-modulated-continuous-wave (comparing the phases of emitted and received sig-nals for indirect measurements of laser traveling time). For each tested scanner, we highlight its unique ad-vantages and technical challenges, as well as relevant technical trade-offs regarding their utilization on a con-struction-site for quality control and progress monitoring purposes.

URI

https://hdl.handle.net/11511/71815

Conference Name

CIB-W78 (2009)

Collections

Department of Civil Engineering, Conference / Seminar

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Citation Formats

G. Atasoy Özcan and B. Akinci, “Comparative case study on the use of laser scanners for construction quality control and progress monitoring,” presented at the CIB-W78 (2009), 2009, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/71815.