Shaft Considerations
Jacking and receiving shaft locations should be selected to minimize the number of shafts and disruptions while not exceeding the practical limits of the drive lengths achievable for a...

Determining the True Distributions of Load in Instrumented Piles

NewsBriefs: Physicists Announce, Retract News of Faster-Than-Light Particle (The Washington Post and Wired)

Non-Destructive Strength Evaluation of a Continuous, Reinforced Concrete Slab Bridge
In the state of New Mexico, a significant number of reinforced concrete slab (RCS) bridges provide service on interstate highways I-10, I-25, and I-40 that are subjected to large amounts...

NewsBriefs: Magnetic, Luminescent Nanoparticles Developed (University of California at Davis)

Characterization of Particle Class Sizes Associated with Indicator Organisms in Stormwater
The presence of pathogen indicators is the leading cause of water body impairment in the United States, accounting for over 15% of the waters currently requiring TMDL development (USEPA,...

Laboratory Modeling of Vibro-Driven Piles

NewsBriefs: Nanoparticles May Treat Groundwater (Lehigh University)

Application of TOPNET in the Distributed Model Intercomparison Project (DMIP)
This paper describes the application of a networked version of TOPMODEL, TOPNET, as part of the Distributed Model Intercomparison Project, DMIP. The model implementation is based on a...

San Diego Delivers
To maintain its ability to provide water to some of its rapidly growing regions, the city of San Diego is simultaneously laying two large diameter pipelines, one carrying potable water...

Thinking Deep
An underwater pipeline that has set records for its 55 in. (1,397 mm) diameter and 3,000 ft (914 m) depth stretches nearly 2 mi (3 km) from the shore of Hawaii to bring cold seawater to...

Nanotechnology Takes Roots
Nanoscale particles of zero-valent iron with a trace of noble metal catalyst are punching well above their weight in the area of environmental remediation. Their ability to destroy a wide...

Comparison of Hydrodynamic Parameters for a Floating Breakwater
The U. S. Army Engineer Research and Development Center is in the process of developing a Rapidly Installed Breakwater System (RIBS) for use in Joint Logistics Over the Shore Operations...

Technology: Nanoparticles Help Cut Groundwater Cleanup Costs

Entire Load-Displacement Characteristics for Direct Shear Failure of Concrete

Size Effect on Stress-Strain Curves of Concrete

Size Effect in Shear Strength of RC Beams: Experiment, FE Analysis, and Design Formula

Great Excavations
By any definition, the scale of the underground caverns being excavated near Geneva at the particle physics center run by the Conseil Européen pour la Recherche Nucléaire (CERN)—the European...

Predicting Droughts for the South Platte River System
In this paper we apply probability theory and stochastic processes to determine drought properties, particularly drought duration. Spccilicslly, we model the sequences of wet and dry years...

Design Live Loads for Parking Garages
The objective of this research project is to obtain a better understanding of parking garage live loads and to recommend an appropriate value for design. A load survey was conducted in...

 

 

 

 

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