1992 …2019
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Research Output 1992 2019

2019

Health and climate impacts of future United States land freight modelled with global-to-urban models

Liu, L. Y., Hwang, T., Lee, S., Ouyang, Y., Lee, B., Smith, S. J., Tessum, C. W., Marshall, J. D., Yan, F., Daenzer, K. & Bond, T. C., Feb 1 2019, In : Nature Sustainability. 2, 2, p. 105-112 8 p.

Research output: Contribution to journalArticle

freight
health impact
climate effect
Motor Vehicles
Climate
2018

Historical (1750-2014) anthropogenic emissions of reactive gases and aerosols from the Community Emissions Data System (CEDS)

Hoesly, R. M., Smith, S. J., Feng, L., Klimont, Z., Janssens-Maenhout, G., Pitkanen, T., Seibert, J. J., Vu, L., Andres, R. J., Bolt, R. M., Bond, T. C., Dawidowski, L., Kholod, N., Kurokawa, J. I., Li, M., Liu, L., Lu, Z., Moura, M. C. P., O'Rourke, P. R. & Zhang, Q., Jan 29 2018, In : Geoscientific Model Development. 11, 1, p. 369-408 40 p.

Research output: Contribution to journalArticle

Aerosol
Organic carbon
Carbon black
Refining
Aerosols
2017

Black carbon emissions in Russia: A critical review

Evans, M., Kholod, N., Kuklinski, T., Denysenko, A., Smith, S. J., Staniszewski, A., Hao, W. M., Liu, L. & Bond, T. C., Jan 1 2017, In : Atmospheric Environment. 163, p. 9-21 13 p.

Research output: Contribution to journalReview article

carbon emission
black carbon
organic carbon
road transport
radiative forcing

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
2016
Service life
Asset management
Deterioration
Inspection
Planning
Gas emissions
Greenhouse gases
Economics
Lighting
Costs

Minimizing upgrade cost to achieve LEED certification for existing buildings

Abdallah, M., El-Rayes, K. & Liu, L., Feb 1 2016, In : Journal of Construction Engineering and Management. 142, 2, 04015073.

Research output: Contribution to journalArticle

Costs
Sustainable development
Silver
Aging of materials
Gold
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

Emission Projections for Long-Haul Freight Trucks and Rail in the United States through 2050

Liu, L., Hwang, T., Lee, S., Ouyang, Y., Lee, B., Smith, S. J., Yan, F., Daenzer, K. & Bond, T. C., Sep 14 2015, In : Environmental Science and Technology. 49, 19, p. 11569-11576 8 p.

Research output: Contribution to journalArticle

Trucks
Rails
Air Pollutants
Taxation
Carbon

Optimizing the selection of sustainability measures to minimize life-cycle cost of existing buildings

Abdallah, M., El-Rayes, K. & Liu, L., Nov 18 2015, In : Canadian journal of civil engineering. 43, 2, p. 151-163 13 p.

Research output: Contribution to journalArticle

Sustainable development
Life cycle
life cycle
sustainability
cost
2014
Life cycle
Repair
Aging of materials
Obsolescence
Deterioration

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
2012

Performance of temporary rumble strips at the edge of highway construction zones

Elghamrawy, T., El-Rayes, K. A., Liu, L. Y. & Odeh, I., 2012, In : Journal of Construction Engineering and Management. 138, 8, p. 923-930 8 p.

Research output: Contribution to journalArticle

Experiments
Acoustic waves
Highway construction
Experiment
Layout

Radio frequency technology incorporated approaches to equipment collisions on jobsites

Hwang, S. & Liu, L. Y., Dec 1 2011, p. 391-396. 6 p.

Research output: Contribution to conferencePaper

Tower cranes
Cranes
Ultra-wideband (UWB)
Visualization
Experiments
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

Contemporaneous time series and forecasting methodologies for predicting short-term productivity

Hwang, S. & Liu, L. Y., Sep 1 2010, In : Journal of Construction Engineering and Management. 136, 9, p. 1047-1055 9 p.

Research output: Contribution to journalArticle

Time series
Productivity
Methodology
Data structures
Costs

Mobile ad hoc network-enabled collaboration framework supporting civil engineering emergency response operations

Pea-Mora, F., Chen, A. Y., Aziz, Z., Soibelman, L., Liu, L. Y., El-Rayes, K., Arboleda, C. A., Lantz, T. S., Plans, A. P., Lakhera, S. & Mathur, S., Apr 28 2010, In : Journal of Computing in Civil Engineering. 24, 3, p. 302-312 11 p.

Research output: Contribution to journalArticle

Mobile ad hoc networks
Civil engineering
Disasters
Radio frequency identification (RFID)
Geographic information systems
2009

Construction remote sensing, building blackbox, and 3-D laser scanning applications

Liu, L. Y., Jan 1 2009, Frontier Technologies for Infrastructures Engineering. CRC Press, p. 409-427 19 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Remote sensing
Inspection
Scanning
Lasers
Highway bridges

Field experiments to evaluate and control light tower glare in nighttime work zones

Odeh, I., El-Rayes, K. A. & Liu, L. Y., Aug 28 2009, In : Journal of Construction Engineering and Management. 135, 9, p. 911-919 9 p.

Research output: Contribution to journalArticle

Glare
Towers
Experiments
Lighting
Traffic congestion
2008

A preliminary design of disaster-survivable building blackbox system for Urban disaster response

Tsai, M. H., Liu, L. Y., Peña-Mora, F. & Arboleda, C. A., Apr 1 2008, In : Electronic Journal of Information Technology in Construction. 13, p. 179-192 14 p.

Research output: Contribution to journalArticle

Disasters
Geopolymers
Structural integrity
Mobile ad hoc networks
Conceptual design

Digital image reasoning for tracking excavation activities

Quiñones-Rozo, C. A., Hashash, Y. M. A. & Liu, L. Y., Jul 1 2008, In : Automation in Construction. 17, 5, p. 608-622 15 p.

Research output: Contribution to journalArticle

Excavation
Photogrammetry
Monitoring
Digital cameras
Soils

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

Verification and validation of a project collaboration tool

East, E. W., Kirby, J. G. & Liu, L. Y., Jan 1 2008, In : Automation in Construction. 17, 2, p. 201-214 14 p.

Research output: Contribution to journalArticle

Taxonomies
Economic analysis
Industry
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

Cost information model for managing multiple projects

Kim, C. S. & Liu, L. Y., Nov 23 2007, In : Journal of Construction Engineering and Management. 133, 12, p. 966-974 9 p.

Research output: Contribution to journalArticle

Costs
Legacy systems
Information model
Industry
Construction costs

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

Integration of construction as-built data via laser scanning with geotechnical monitoring of urban excavation

Su, Y. Y., Hashash, Y. M. A. & Liu, L. Y., Nov 28 2006, In : Journal of Construction Engineering and Management. 132, 12, p. 1234-1241 8 p., 002612QCO.

Research output: Contribution to journalArticle

Excavation
Scanning
Lasers
Monitoring
Geotechnical engineering

Multiproject planning and resource controls for facility management

East, E. W. & Liu, L. Y., Nov 28 2006, In : Journal of Construction Engineering and Management. 132, 12, p. 1294-1305 12 p., 004612QCO.

Research output: Contribution to journalArticle

Planning
Managers
Facilities management
Resources
Genetic algorithms

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

3D laser scanning for tracking supported excavation construction

Hashash, Y. M. A., Oliveira Filho, J. N., Su, Y. Y. & Liu, L. Y., Apr 25 2005, In : Geotechnical Special Publication. 130-142, p. 2013-2022 10 p.

Research output: Contribution to journalConference article

Excavation
excavation
laser
Scanning
Lasers

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

Analytical model for analyzing construction claims and opportunistic bidding

Ho, S. P. & Liu, L. Y., Jan 1 2004, In : Journal of Construction Engineering and Management. 130, 1, p. 94-104 11 p.

Research output: Contribution to journalArticle

Analytical models
Game theory
Bidding
Analytical model
Innovation

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

Novel technologies for tracking construction progress of deep excavations

Trupp, T., Marulanda, C., Hashash, Y. M. A., Liu, L. Y. & Ghaboussi, J., Dec 1 2004, In : Geotechnical Special Publication. 126 II, p. 2254-2262 9 p.

Research output: Contribution to journalArticle

Excavation
excavation
digital photogrammetry
Photogrammetry
Tunnels
2003

Design review checking system with corporate lessons learned

Soibelman, L., Liu, L. Y., Kirby, J. G., East, E. W., Caldas, C. H. & Lin, K. Y., Sep 1 2003, In : Journal of Construction Engineering and Management. 129, 5, p. 475-484 10 p.

Research output: Contribution to journalReview article

Lessons learned
Engineering research
Research laboratories
Industry
Internet

How to evaluate and invest in emerging A/E/C technologies under uncertainty

Ho, S. P. & Liu, L. Y., Jan 1 2003, In : Journal of Construction Engineering and Management. 129, 1, p. 16-24 9 p.

Research output: Contribution to journalArticle

Uncertainty
Technology investment
Construction engineering
Information technology
Automation

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
2002

An option pricing-based model for evaluating the financial viability of privatized infrastructure projects

Ho, S. P. & Liu, L. Y., Mar 1 2002, In : Construction Management and Economics. 20, 2, p. 143-156 14 p.

Research output: Contribution to journalArticle

Costs
Value engineering
Option pricing
Infrastructure projects
Viability
2000

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