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RISProject Evaluation: Accomplishments, Shortfalls, and Lessons Learned in Housing Development Projects in Ethiopia
Publisher: American Society of Civil Engineers
Abstract: Public investment projects are implemented by many countries to meet increasing demands for public services. However, the success rate of such projects is often debated, and what is considered successful by one party may ...
A New Covariate Ratio Procedure for Estimating Treatment Differences with Applications to Climax I and II Experiments
Publisher: American Meteorological Society
Abstract: A new covariate ratio procedure is presented for estimating a treatment-induced effect. The procedure 1) allows for uncontrolled natural variability, 2) adjusts for disproportionate allocation of non-treated and treated ...
Atmospheric Composite Sounding Analysis as a Forecasting Tool for Ozone Accumulation in a Semiarid Metropolitan Area during the North America Monsoon: Phoenix, Arizona
Publisher: American Meteorological Society
Abstract: AbstractPhoenix, Arizona, observes a high summertime frequency for daily maximum 8-h ozone averages (DMO8) exceeding 70 parts per billion, resulting in nonattainment status by the U.S. Environmental Protection Agency. This ...
Field Destructive Testing of a Reinforced Concrete Bridge Deck Slab
Publisher: ASCE
Abstract: Many bridge deck slabs in Europe are rated insufficient load-carrying capacity in shear and punching according to the Eurocodes. In the past, assessment models have mainly been developed from laboratory studies that ...
NSM CFRP Strengthening and Failure Loading of a Posttensioned Concrete Bridge
Publisher: American Society of Civil Engineers
Abstract: Two carbon-fiber-reinforced polymer (CFRP) systems developed as possible means to strengthen existing concrete structures have been applied to a bridge at Kiruna (Sweden). The bridge was no longer in service and was thus ...
Robust Optimization of Cylindrical Gear Tooth Surface Modifications Within Ranges of Torque and Misalignments
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Tooth surface modifications are small, micronlevel intentional deviations from perfect involute geometries of spur and helical gears. Such modifications are aimed at improving contact pressure distribution, while minimizing ...
Climax I and II: Distortion Resistant Residual Analyses
Publisher: American Meteorological Society
Abstract: The Climax I and II wintertime orographic cloud seeding experiments have recently been reanalyzed (Mielke et al., 1981c). The primary inference technique of this recent reanalysis involved (i) target-control residual data ...
NSM CFRP Strengthening and Failure Loading of a Posttensioned Concrete Bridge
Publisher: American Society of Civil Engineers
Abstract: Two carbon-fiber-reinforced polymer (CFRP) systems developed as possible means to strengthen existing concrete structures have been applied to a bridge at Kiruna (Sweden). The bridge was no longer in service and was thus ...
Unbonded Transverse Posttensioning of a Railway Bridge in Haparanda, Sweden
Publisher: American Society of Civil Engineers
Abstract: The majority of railway lines in Sweden are designed to support axle loads of up to 250 kN. Because of increased transport needs on some lines, an axle load limit of at least 300 kN would be beneficial. To upgrade the ...
Use of a Dual-Structure Constitutive Model for Predicting the Long-Term Behavior of an Expansive Clay Buffer in a Nuclear Waste Repository
Publisher: American Society of Civil Engineers
Abstract: Expansive soils are suitable as backfill and buffer materials in engineered barrier systems to isolate heat-generating nuclear waste in deep geological formations. The canisters containing nuclear waste would be placed in ...