Civil, Construction and Environmental Engineering

Works Published in 2008

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Displaying works 101 - 120 of 162 in total

Sorted by most recent date added to the index first, which may not be the same as publication date order.

2008 journal article

A Vehicle-Specific Power Approach to Speed- and Facility-Specific Emissions Estimates for Diesel Transit Buses

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 42(21), 7985–7991.

By: H. Zhai n, H. Frey  n & N. Rouphail n

Contributors: H. Zhai n

MeSH headings : Air Pollutants / analysis; Calibration; Carbon Dioxide / analysis; Confidence Intervals; Gasoline / analysis; Geographic Information Systems; Health Planning Guidelines; Models, Chemical; Motor Vehicles; Reproducibility of Results; Statistics, Nonparametric; Transportation / methods; Vehicle Emissions / analysis
TL;DR: This study estimates roadway link average emission rates for diesel-fueled transit buses based on link mean speeds, using newly defined VSP modes from data gathered by a portable emissions monitoring system. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2008 journal article

Laboratory test of driver responses to nine-panel logo signs

Transportation Research Record, (2056), 52–59.

By: J. Hummer & U. Maripalli

Source: NC State University Libraries
Added: August 6, 2018

2008 journal article

Nature and extent of domestic construction program outsourcing

Journal of Construction Engineering and Management, 134(12), 1002–1010.

By: B. Grasso n, W. Rasdorf n & M. Bridgers n

UN Sustainable Development Goal Categories
Source: NC State University Libraries
Added: August 6, 2018

2008 review

Natural treatment and onsite systems

[Review of ]. Water Environment Research, 80(10), 1206–1224.

By: A. Kruzic & S. Liehr

Source: NC State University Libraries
Added: August 6, 2018

2008 journal article

Link-based emission factors for heavy-duty diesel trucks based on real-world data

Transportation Research Record, (2058), 23–32.

By: H. Frey  n, N. Rouphail n & H. Zhai n

Contributors: H. Frey  n

UN Sustainable Development Goal Categories
Sources: ORCID, NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2008 journal article

Embedding NSM FRP plates for improved IC debonding resistance

Journal of Composites for Construction, 12(6), 635–642.

By: D. Oehlers n, M. Haskett n, C. Wu  n & R. Seracino n

UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (Web of Science; OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

2008 journal article

Data reuse methods for transportation planning in small- and medium-sized towns

Journal of Urban Planning and Development, 134(4), 149–152.

By: J. Horner n, J. Stone n & L. Huntsinger n

UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (Web of Science; OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

2008 journal article

Comparison of Real-World Emissions of B20 Biodiesel Versus Petroleum Diesel for Selected Nonroad Vehicles and Engine Tiers

TRANSPORTATION RESEARCH RECORD, (2058), 33–42.

By: H. Frey  n, W. Rasdorf n, K. Kim n, G. Pang* & P. Lewis n

Contributors: H. Frey  n

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
13. Climate Action (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2008 journal article

Backcalculation of Dynamic Modulus from Resilient Modulus of Asphalt Concrete with an Artificial Neural Network

TRANSPORTATION RESEARCH RECORD, (2057), 107–113.

By: A. Lacroix n, Y. Kim  n & S. Ranjithan n

TL;DR: The population of a database of measured dynamic moduli with the corresponding predicted resilient moduli to train an artificial neural network (ANN) is proposed and the dynamic modulus predicted from the measured resilient modulus with the trained ANN were found to be reasonable compared with the measured dynamicmoduli. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2008 journal article

Development of a coupled reactor model for prediction of organic contaminant fate in landfills

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 42(19), 7444–7451.

By: M. Lowry n, S. Bartelt-Hunt n, S. Beaulieu n & M. Barlaz n 

MeSH headings : Acetone / chemistry; Benzene / chemistry; Bioreactors; Computer Simulation; Gases / analysis; Models, Chemical; Time Factors; Toluene / chemistry; Water Pollutants, Chemical / chemistry
TL;DR: The landfill coupled-reactor (LFCR) model developed in this work simulates a landfill as a series of fully mixed reactors, each representing a daily volume of waste, allowing time-variable input parameters such as gas generation, and cover type and thickness. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2008 journal article

Clarifying the roles of kinetics and diffusion in activated sludge filamentous bulking

BIOTECHNOLOGY AND BIOENGINEERING, 101(2), 327–336.

By: I. Lou n & F. Reyes n

Contributors: I. Lou n & F. Reyes n

author keywords: activated sludge; filamentous bulking; diffusion limitation; kinetic selection; floc size
MeSH headings : Biomass; Bioreactors; Diffusion; Flocculation; Kinetics; Models, Biological; Sewage / chemistry; Sewage / microbiology; Waste Disposal, Fluid / methods; Water Microbiology
TL;DR: A model integrating the two factors was developed to simulate the substrate concentrations at different depths and floc sizes under intermittently feeding conditions, and modeling results confirmed that substrate diffusion limitation occurs inside the flocs at a certain range of activated sludge floc size sizes over the operation cycle, and provided additional support for the proposed framework. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2008 journal article

Behavior and design of high-strength prestressed concrete girders

PCI JOURNAL, 53(5), 54–69.

By: W. Choi*, S. Rizkalla*, P. Zia* & A. Mirmiran*

author keywords: bridge girder; cracking strength; elastic shortening; flexural strength; high-strength concrete; prestress loss; transfer length
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Understanding the effects of aggregate and emulsion application rates on performance of asphalt surface treatments

TRANSPORTATION RESEARCH RECORD, (2044), 71–78.

By: J. Lee* & Y. Kim  n

Source: Web Of Science
Added: August 6, 2018

2008 journal article

Multimodel ensembles of streamflow forecasts: Role of predictor state in developing optimal combinations

Water Resources Research, 44(9).

By: N. Devineni n, A. Sankarasubramanian  n & S. Ghosh n 

TL;DR: Contingency analyses on categorical forecasts show that the proposed multimodel combination technique reduces average Brier score and total number of false alarms, resulting in improved reliability of forecasts, and adding climatological ensembles improves the multimodels performance resulting in reduced average RPS. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: Web Of Science, Crossref, NC State University Libraries
Added: August 6, 2018

2008 journal article

Characterization of Real-World Activity, Fuel Use, and Emissions for Selected Motor Graders Fueled with Petroleum Diesel and B20 Biodiesel

JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION, 58(10), 1274–1287.

By: H. Frey, K. Kim*, S. Pang*, W. Rasdorf* & P. Lewis*

Contributors: H. Frey

TL;DR: An empirical modal-based model of vehicle fuel use and emissions was developed, based on stratifying the data with respect to ranges of normalized MAP, to enable comparisons between duty cycles, motor graders, and fuels. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2008 article

Performance of improved channel allocation for multicarrier CDMA with adaptive frequency hopping and multiuser detection

2008 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, PROCEEDINGS, VOLS 1-13, pp. 4780–4784.

By: T. Jia n & A. Duel-Hallen n 

TL;DR: It is demonstrated that combined improved subcarrier allocation and the linear decorrelating detector (LDD) are very efficient in mitigating multiple-access interference (MAI), resulting in much larger system capacity than for a non-adaptive MC direct-sequence (DS)-CDMA system. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Influence of non-proportional loading on ratcheting responses and simulations by two recent cyclic plasticity models

INTERNATIONAL JOURNAL OF PLASTICITY, 24(10), 1863–1889.

By: T. Hassan n, L. Taleb* & S. Krishna n

author keywords: constitutive modeling; cyclic hardening; cyclic plasticity; nonproportionality; ratcheting
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Evaluation of cyclic plasticity models in ratcheting simulation of straight pipes under cyclic bending and steady internal pressure

INTERNATIONAL JOURNAL OF PLASTICITY, 24(10), 1756–1791.

By: S. Rahman n, T. Hassan n & E. Corona*

author keywords: ratcheting; cyclic plasticity; simulations; straight pipe
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Real-world in-use activity, fuel use, and emissions for nonroad construction vehicles: A case study for excavators

JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION, 58(8), 1033–1046.

By: S. Abolhasani n, H. Frey  n, K. Kim  n, W. Rasdorf n, P. Lewis  n & S. Pang n

Contributors: S. Abolhasani n

MeSH headings : Air Pollutants, Occupational / analysis; Environmental Monitoring; Fossil Fuels / analysis; Industry; Models, Statistical; Montana; Off-Road Motor Vehicles; Quality Control; Transportation; Vehicle Emissions / analysis
TL;DR: The importance of accounting for intercycle variability in real-world in-use emissions to develop more accurate emission inventories is demonstrated by the development and demonstrated for deployment of a portable emission measurement system for excavators. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2008 journal article

Flexural strength design of concrete beams reinforced with high-strength steel bars

ACI Structural Journal, 105(5), 570–577.

By: R. Mast, M. Dawood, S. Rizkalla & P. Zia

Source: NC State University Libraries
Added: August 6, 2018

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