1992 …2019
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Research Output 1992 2019

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Conference contribution
2017

Impact of flaggers on safety and mobility of highway work zones

Ahmed, A., El-Rayes, K. A. & Liu, L. Y., Jan 1 2017, Canadian Society for Civil Engineering Annual Conference and General Meeting 2017: Leadership in Sustainable Infrastructure. Canadian Society for Civil Engineering, Vol. 2017-May. p. 264-271 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Traffic control
Specifications
Feedback
2015

Campus integrated project-based learning course in civil and environmental engineering

Roesler, J., Littleton, P., Schmidt, A., Schideman, L., Johnston, M., Mestre, J., Herman, G., Mena, I., Gates, E., Morphew, J. & Liu, L., Dec 2 2015, 2015 IEEE Frontiers in Education Conference: Launching a New Vision in Engineering Education, FIE 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 7344382. (Proceedings - Frontiers in Education Conference, FIE; vol. 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

environmental engineering
Environmental engineering
Civil engineering
Students
learning
2014

Optimal selection of sustainability measures to minimize building operational costs

Abdallah, M., El-Rayes, K. & Liu, L., Jan 1 2014, Construction Research Congress 2014: Construction in a Global Network - Proceedings of the 2014 Construction Research Congress. American Society of Civil Engineers (ASCE), p. 2205-2213 9 p. (Construction Research Congress 2014: Construction in a Global Network - Proceedings of the 2014 Construction Research Congress).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Sustainable development
Costs
Water
Plumbing fixtures
Vending machines
2013

Automated decision support system for optimizing the selection of green building measures

Abdallah, M., El-Rayes, K. A. & Liu, L. Y., 2013, ISARC 2013 - 30th International Symposium on Automation and Robotics in Construction and Mining, Held in Conjunction with the 23rd World Mining Congress. p. 1326-1333 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

decision support system
Decision support systems
leadership
energy
photovoltaic system
2010

Analysis of injury and fatal crashes in highway construction zones

Elghamrawy, T., El-Rayes, K. A. & Liu, L. Y., Sep 10 2010, Construction Research Congress 2010: Innovation for Reshaping Construction Practice - Proceedings of the 2010 Construction Research Congress. p. 568-577 10 p. (Construction Research Congress 2010: Innovation for Reshaping Construction Practice - Proceedings of the 2010 Construction Research Congress).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

BIM for integration of automated real-time project control systems

Hwang, S. & Liu, L. Y., Sep 13 2010, Construction Research Congress 2010: Innovation for Reshaping Construction Practice - Proceedings of the 2010 Construction Research Congress. p. 509-517 9 p. (Construction Research Congress 2010: Innovation for Reshaping Construction Practice - Proceedings of the 2010 Construction Research Congress).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Control systems
Real time systems
Data acquisition
Innovation
2008

Semi-automated tracking of excavation activities using imaging techniques

Quiñones-Rozo, C., Hashash, Y. M. A. & Liu, L. Y., Dec 1 2008, Proceedings of Sessions of GeoCongress 2008 - GeoCongress 2008: Characterization, Monitoring, and Modeling of GeoSystems, GSP 179. 179 ed. p. 221-228 8 p. (Geotechnical Special Publication; no. 179).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Excavation
excavation
Imaging techniques
Monitoring
monitoring
2007

A building blackbox for urban disaster response and relief

Tsai, M. H., Liu, L. Y. & Peña-Mora, F., Dec 1 2007, Computing in Civil Engineering - Proceedings of the 2007 ASCE International Workshop on Computing in Civil Engineering. p. 809-816 8 p. (Congress on Computing in Civil Engineering, Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Disasters
Communication
Conceptual design
Decision making
Health

Modeling excavation process using dynamic modeling approach

Hwang, S. & Liu, L. Y., Dec 1 2007, Computing in Civil Engineering - Proceedings of the 2007 ASCE International Workshop on Computing in Civil Engineering. p. 159-167 9 p. (Congress on Computing in Civil Engineering, Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Excavation
Excavators
Trucks
Planning

Real-time construction operation tracking from resource positions

Su, Y. Y. & Liu, L. Y., Dec 1 2007, Computing in Civil Engineering - Proceedings of the 2007 ASCE International Workshop on Computing in Civil Engineering. p. 200-207 8 p. (Congress on Computing in Civil Engineering, Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Radio frequency identification (RFID)
Global positioning system
Productivity
Drainage
Pipe
2006

A case study of monitoring construction operations using automated position tracking system

Su, Y. Y. & Liu, L. Y., Dec 1 2006, 19th International Conference on Computer Applications in Industry and Engineering, CAINE 2006. p. 312-317 6 p. (19th International Conference on Computer Applications in Industry and Engineering, CAINE 2006).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Monitoring
Radio frequency identification (RFID)
Global positioning system
Engineers
Personnel

Design of building black-boxes to support disaster rescue & recovery

Tsai, M. H., Liu, L. Y. & Peña-Mora, F., Dec 1 2006, 19th International Conference on Computer Applications in Industry and Engineering, CAINE 2006. p. 318-323 6 p. (19th International Conference on Computer Applications in Industry and Engineering, CAINE 2006).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Disasters
Recovery
Communication
Conceptual design
Decision making

New technologies for tracking urban excavation progress and estimating deformations

Hashash, Y. M. A., Liu, L. Y., Ghaboussi, J., Marulanda, C., Su, Y. Y., Song, H. & Osouli, A., Dec 18 2006, Underground Construction and Ground Movement - Proceedings of the GeoShanghai Conference. 155 ed. p. 336-341 6 p. (Geotechnical Special Publication; no. 155).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

ground movement
Excavation
urban areas
excavation
monitoring

Use of new technologies for tracking excavation progress

Hashash, Y. M. A., Liu, L., Su, Y. Y. & Song, H., Dec 28 2006, GeoCongress 2006: Geotechnical Engineering in the Information Technology Age. 1 p. (GeoCongress 2006: Geotechnical Engineering in the Information Technology Age; vol. 2006).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Excavation
Photogrammetry
Scanning
Lasers
Monitoring
2005

Field tests of 3D laser scanning in urban excavation

Oliveira Filho, J. N., Su, Y. Y., Song, H., Liu, L. Y. & Hashash, Y. M. A., Oct 31 2005, Computing in Civil Engineering - Proceedings of the 2005 International Conference. Soibelman, L. & Pena-Mora, F. (eds.). p. 563-572 10 p. (Proceedings of the 2005 ASCE International Conference on Computing in Civil Engineering).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Excavation
Scanning
Lasers
Information technology
Numerical analysis

Integration of construction field data and geotechnical analyses

Su, Y. Y., Filho, J. O., Liu, L. Y. & Hashash, Y. M. A., 2005, Construction Research Congress 2005: Broadening Perspectives - Proceedings of the Congress. Tommelein, I. D. (ed.). p. 1129-1136 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Excavation
Groundwater
Tunnels
Scanning
Geometry

Proactive project control using productivity data and time series analysis

Hwang, S. & Liu, L. Y., Oct 31 2005, Computing in Civil Engineering - Proceedings of the 2005 International Conference. Soibelman, L. & Pena-Mora, F. (eds.). p. 1925-1935 11 p. (Proceedings of the 2005 ASCE International Conference on Computing in Civil Engineering).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Time series analysis
Productivity
Managers
Costs
Construction industry
2004

A software system for integrated design and construction planning of steel frame structures

Burns, S. A., Liu, L. Y. & Nandula, A., Aug 16 2004, Proceedings of the 2004 Structures Congress - Building on the Past: Securing the Future. Blandford, G. E. & Blandford, G. E. (eds.). p. 1707-1710 4 p. (Proceedings of the 2004 Structures Congress - Building on the Past: Securing the Future).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Planning
Steel
Costs
Communication
Structural design
2003

Mobile and Sensor-based Infrastructure Inspections

Ballado, K., Trupp, T. & Liu, L. Y., Dec 1 2003, Construction Research Cogress, Winds of Change: Integration and Innovation in Construction, Proceedings of the Congress. Molenaar, K. R. & Chinowsky, P. S. (eds.). p. 261-268 8 p. (Contruction Research Congress, Winds of Change: Integration and Innovation in Construction, Proceedings of the Congress).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Inspection
Sensors
Inspection equipment
Personnel
Highway bridges

Needs and Trends of IT-Based Construction Field Data Collection

Hwang, S., Trupp, T. & Liu, L. Y., 2003, Towards a Vision for Information Technology in Civil Engineering: Proceedings of the Fourth Joint International Symposium on Information Technology in Civil Engineering. Flood, I. & Flood, I. (eds.). p. 77-85 9 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Information technology
Video conferencing
Photogrammetry
Scanning
Lasers
2000

Hand-held multimedia documentation for tunnel inspections

Liu, L. Y., 2000, Computing in Civil and Building Engineering. Fruchter, R., Pena-Mora, F., Roddis, W. M. K., Fruchter, R., Pena-Mora, F. & Roddis, W. M. K. (eds.). Vol. 2. p. 1021-1028 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Tunnels
Inspection
Subways
Digital cameras
Software design

Hand-held multimedia documentation for tunnel inspections

Liu, L. Y., Dec 1 2000, Proceedings of the 8th International Conference on Computing in Civil and Building Engineering. p. 1021-1028 8 p. (Proceedings of the 8th International Conference on Computing in Civil and Building Engineering; vol. 279).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Tunnels
Inspection
Subways
Digital cameras
Software design
1995

Construction crane operation simulation

Liu, L. Y., 1995, Computing in Civil Engineering (New York). ASCE, Vol. 2. p. 1420-1426 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Cranes
Engineers

Digital data-collection device for construction site documentation

Liu, L. Y., 1995, Computing in Civil Engineering (New York). ASCE, Vol. 2. p. 1287-1293 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Communication
Construction industry
Innovation
Personnel

Multimedia system to support rehabilitation of historic facilities

Stumpf, A. L., Kermath, D., Liu, L. Y. & Chin, S., 1995, Computing in Civil Engineering (New York). ASCE, Vol. 2. p. 1068-1075 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Multimedia systems
Management information systems
Patient rehabilitation
Military bases
Personnel
1994

Applying multimedia technology to project control

Liu, L. Y., Stumpf, A. L. & Kim, S. S., 1994, Computing in Civil Engineering (New York). Khozeimeh, K. (ed.). 1 ed. Publ by ASCE, p. 608-613 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Sound recording
Control systems
Research laboratories
Graphical user interfaces
Inspection

Capturing as-built project information for facility management

Liu, L. Y., Stumpf, A. L., Kim, S. S. & Zbinden, F. M., Dec 1 1994, Computing in Civil Engineering (New York). Khozeimeh, K. (ed.). 1 ed. Publ by ASCE, p. 614-621 8 p. (Computing in Civil Engineering (New York); no. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Information management
Life cycle
Retrofitting
Information systems
Testing

Managing uncertainty in project planning and execution: Introduction and overview

Rao, G. N., Grobler, F. & Liu, L. Y., Dec 1 1994, Computing in Civil Engineering (New York). Khozeimeh, K. (ed.). 1 ed. Publ by ASCE, p. 33-40 8 p. (Computing in Civil Engineering (New York); no. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Risk analysis
Planning
Civil engineering
Uncertainty

Multi-media system for organizing construction documents

Ganeshan, R., Kim, S., Liu, L. Y. & Stumpt, A., Jan 1 1994, Computing in Civil Engineering (New York). Khozeimeh, K. (ed.). 2 ed. Publ by ASCE, p. 1381-1388 8 p. (Computing in Civil Engineering (New York); no. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Multimedia systems

Using CADD applications to support construction activities

Stumpf, A. L., Liu, L. Y., Chin, S. & Ahn, K., Dec 1 1994, Computing in Civil Engineering (New York). Khozeimeh, K. (ed.). 1 ed. Publ by ASCE, p. 531-538 8 p. (Computing in Civil Engineering (New York); no. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Drawing (graphics)
Contractors
Costs
Managers
Visualization
1993

Advanced construction technology system

Ioannou, P. G. & Liu, L. Y., Jan 1 1993, Computing in Civil and Building Engineering. Publ by ASCE, p. 161-168 8 p. (Computing in Civil and Building Engineering).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Piping systems
Construction industry
Productivity
Engineers

Graphical resource-based object-oriented simulation for construction process planning

Liu, L. Y. & Ioannou, P. G., Jan 1 1993, Computing in Civil and Building Engineering. Publ by ASCE, p. 1390-1397 8 p. (Computing in Civil and Building Engineering).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Process planning
Discrete event simulation
Process design
Processing
Costs
1992

Graphical object-oriented discrete-event simulation system

Liu, L. Y. & Ioannou, P. G., Dec 1 1992, Proceedings of the 24th Conference on Winter Simulation, WSC 1992. Institute of Electrical and Electronics Engineers Inc., p. 1285-1291 7 p. (Proceedings - Winter Simulation Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Object-oriented Simulation
Discrete event simulation
Discrete Event Simulation
Simulation System
Graphical Models