Making Buildings Move
Advances in mechanization and power electronics have helped to make retractable roofs and large operable walls and doors more practical and efficient to build. In recent years, architects and engineers...

Powerful Upgrade
As the northeastern United States moves forward in developing offshore wind energy, marine infrastructure will be required to meet the logistical needs associated with receiving, storing, and preparing...

Sound Solution
A timber dock built in Kodiak, Alaska, in 1965 and used for ferry service, bulk fuel deliveries, and general cargo operations was recently reconstructed to meet current displacement-based seismic design...

Restoring The Capitol Dome
While most construction projects serve only as local points of interest, some are conducted on a national stage. The restoration of the U.S. Capitol’s dome was one such project. The extent of the scaffolding...

Calibration of Jackup Leg Foundation Model Using Full-Scale Structural Measurements
The fitness of jack-up rigs to operate in varying water depths and weather conditions is determined by "site-specific" structural assessments. These assessments are conducted by a wide range of companies...

Heave Compensated Landing System - A Novel Tool for Subsea Intervention
This paper presents a new intervention system that allows the use of a low cost workboat to deploy and recover delicate payloads in subsea installations. Vessel motions are decoupled from the subsea package...

Fire in the Hole: Emergency Repairs to the Robinson Creek Tunnel
On the eve of April 26, 2014, an arsonist set fire to the CSX Transportation (CSXT) Robinson Creek tunnel. The tunnel is located about 120 mi. southeast of Lexington, near Pikeville, KY. The 742-ft-long...

Where Geosynthetics Meet Mining Geotechnics: Part of the Mining Engineer's Toolbox
From enhancing stability to providing environmental containment, geosynthetic materials play an important role in mining projects and geotechnics in general. While often overlooked, advancements in geosynthetic...

Guidelines for Construction Vibrations: How Much Rattle is Too Much?
The study of construction/blast-related ground vibrations on structures, people, and objects is a surprisingly diverse field. Vibration sources vary from blasting, all types of construction equipment,...

Diving Into Engineering
When the underwater portions of a bridge or waterfront facility need to be inspected, the right person for the job is often an engineer diver, a specially trained professional who understands load paths...

Trestle Triumph
As part of improvements to a marine oil terminal in California, the design team had to ensure that a nearly century-old timber trestle met contemporary requirements related to operations, seismic activity,...

BIM Belowground
Despite the wider use of building information modeling (BIM), the practice frequently focuses on aboveground details to the exclusion of those below the surface. But the BIM techniques used in the design...

Fast Forward: Around the Bend
An architecture firm envisions an inverted U-shaped tower in New York City that would outstrip the height of current megatall structures and replace it with length....

Parallel Line
The Manahawkin Bay Bridge carries Route 72 from the mainland of Ocean County, New Jersey, to the seaside destination of Long Beach Island. Since the route is the only vehicular link to the island, the...

When Old Meets New: Railway Geotechnics and Remote Sensing
Railroad track, like any other built structure, relies on a foundation of geomaterials for support. In its most basal form, the railway track is quite simple: steel load-bearing members (rails) supported...

Art by Design
The University of Iowa’s Visual Arts Building opened last fall on a campus that is still recovering from flooding in 2008 that caused nearly $800 million in damage. The structure houses the university’s...

Fast Forward: Towering Views
A proposed observation tower for New York City’s Central Park would comprise the world’s tallest temporary wooden structure and include a wind-powered system to filter water from the reservoir it would...

Army Corps Successfully Prints Full-Size Concrete Building
The U.S. Army Corps of Engineers has successfully printed a 512 sq ft concrete building using a custom 3-D printer developed for use in remote locations....

Musical Masterpiece
La Seine Musicale, a world-class concert hall on a redeveloping island west of Paris, is a masterpiece of structural, acoustic, and mechanical engineering. Resembling a ship at sea, the concrete structure...

From Disaster to Prevention: The Silver Bridge
The 1967 collapse of the Silver Bridge, which connected West Virginia to Ohio, killed 46 people and led to the creation of a nationwide, standardized bridge inspection program....

 

 

 

 

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