Optimized Drilled Shaft Design through Post-Grouting: Shorten That Shaft for Better Performance
Tip post-grouting is a technique used to inject, under pressure, a neat cement grout beneath the base of a drilled shaft. This method enhances or improves axial load-displacement performance by increasing...

The Evolution of Launched Soil Nails
A 30-Year Retrospective
Launched soil nails are a unique remedial technology in the geotechnical construction toolbox. These 20-ft-long, 1.5-in.-diameter nails are installed in a single shot using a compressed air "cannon" at...

Monitoring and Quantifying Rate-Limited Mass Transfer Using Geoelectrical Measurements
Non-Fickian solute-transport behavior has been observed at research and aquifer remediationsites in diverse geologic settings. Anomalous behavior such as concentration rebound, long breakthrough...

Power Shift
Engineers designing a Manhattan skyscraper with offices in the lower floors and residences in the upper found that they had to employ several unusual methods to accommodate client needs....

Load Transfer Behavior of Soil-Cement Columns in Soft Ground

Modeling Water Quality for Dredged Material Disposal

Lateral Loading Response of Piles in Calcareous Sediments

Validity of the Reese Model for Pile Foundations Using Variational Principles

Effect of Water Content and Soil Type on Mass Transfer Limitations in the Soil Vapour Extraction Process

Lagrangian Modeling and Total Maximum Daily Load (TMDL) Development in Low-Gradient Streams

Formulation of a Better Synthetic Gasoline for Use in Soil Vapour Extraction Experiments

Optimization of the Aquifer Remediation Costs and Design with Pulsed Pumping
(No paper) Pump-and-treat is a common technique for the remediation of contaminated aquifers. However, slow kinetic mass transfer at sites contaminated with organic compounds may reduce...

Impacts of CSO Swirl Concentrator on Dissolved Oxygen Concentrations in the Anacostia River
Purpose: To assess impacts of the CSO control, two continuous monitoring stations were located upstream and downstream from the CSO outfall. The monitors recorded dissolved oxygen (DO),...

South Pole Station New Power Plant Case Study

Icicle/Frost Heave Prevention System Aided by Heat Pipe for Railway Tunnel

Diurnal Variation in Dissolved Oxygen Measurements During Late Winter Ice-Covered Period in Sleeper's River, Vermont

The Effects of Holes Drilled in a River Ice Cover on the Heat Transfer at the Ice/Water Interface

Weighing Anchors
Modern anchorage systems offer design engineers and contractors unprecedented choice in load transfer mechanisms. Some anchors are highly specialized, while others are appropriate for...

Bridging Substance with Style
Engineers used an elegant form to come up with a functional solution when designing the new Damen Avenue Arch in Chicago. Two steel ribs, created using heat induction bending, closely...

Risk Allocation in Design-Build and BOT Projects





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