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The investigations: The World Trade Center towers
On Aug. 21, 2002, the National Institute of Standards and Technology announced it would conduct a building and fire safety investigation of the World Trade Center disaster. This investigation was conducted...

The investigations: The Pentagon
On the day that terrorists attacked the World Trade Center and the Pentagon, ASCE and its Structural Engineering Institute established a group of volunteers, known as the building performance study, or...

Material Difference
It was only fitting that the design of a center dedicated to the visual arts on the campus of Franklin & Marshall College feature an interplay of materials � from glass and concrete to steel and...

Intergalactic Soil Nails: Excavation Support for the Deep Space Auditorium
A software company based outside Madison, Wis., had a need for an auditorium as part of its campus expansion in 2011. The 829,000-sq-ft, 11,400-seat "Deep Space" auditorium was to be built underground,...

The SoFi Stadium Perimeter Wall: A Retaining Wall Helps Avoid Encroaching on LAX Airspace
SoFi Stadium, one of the two newest venues in the National Football League, opened in September 2020 after breaking ground in November 2016. The stadium hosts NFL games for the Rams and Chargers, and will...

Your Numerical Model Begins at the Site Investigation � Phase Improving the Suitability of Numerical Geotechnical Modeling
The success of an advanced geotechnical numerical analysis depends foremost on a thorough geologic and geotechnical understanding of the site, and thus the geometric definition and adequacy of input parameters...

Intelligent Geo-Construction Drilling Equipment: Delivering More Than Meets the Eye
The complexity, risk, and demands of engineered geo-structural projects have increased, seemingly exponentially, through the years. Physical and capital resources to deliver such projects, however, have...

Site Constraints Complicate a Bulkhead Replacement: It Takes a Team to Overcome the Challenges
North American Aggregates (NAA), a leading supplier of aggregates in the New York area, recently constructed a new processing facility in Perth Amboy, NJ. One of the final components of the new facility...

Megaproject Monitoring by Satellite ? InSAR-based Settlement-time History: Measuring Hundreds of Thousands of Points, Several Times a Month, Across an Entire City
Satellite-based interferometric synthetic aperture radar, or InSAR, has gained unequivocal importance as a routine and precise monitoring method for large and small areas alike. Historical datasets allow...

Trenchless Goes Hybrid: Old Tricks Are Finding New Applications
The International Society for Trenchless Technology defines trenchless technology as "Underground construction methods of utility installation, rehabilitation, inspection, location and leak detection,...

Composite Special Moment Frames
Wide Flange Beam to Concrete-Filled Steel Column Connections
Prepared by the Composite Construction Committee of the Metals Technical Administrative Committee of the Structural Engineering Institute of ASCEComposite Special Moment Frames: Wide Flange Beam to Concrete-Filled...

Tsunami Loads and Effects
Guide to the Tsunami Design Provisions of ASCE 7-16
The devastating tsunamis that struck Chile and Japan in 2010 and 2011 underscored the critical need for new structural design criteria to improve building resilience and safeguard human life. They also...

Spin, Spin, Spin
A scalable, vertical axis windmill tower with dynamic shutters that decrease wind loading on the structure has won an energy efficiency design contest....

Power and Speed
A new venture aims to build an underground cargo distribution system that operates at airline speeds using an electromagnetic levitation and propulsion system....

One Small Step
A concept design for an inflatable habitat on Mars incorporates indigenous ice as a structural element and a shield to protect occupants from galactic cosmic radiation....

Supertall Timber
At 350 m tall, this supertower would be three times the height of the California Redwoods and boast a structural system that is 90 percent wood....

Delegate, Network, and Ask for What You Want
Justin Siegrist, P.E., M.ASCE, is the hydraulic modeling lead in the Cincinnati office of Wade Trim. His advice to young engineers: delegate, network, and ask for what you want....

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...

A Preliminary Case for the Existence of Hurricane Alleys in the Gulf of Mexico
A review of hurricance intensity in the Gulf of Mexico suggests there are two alleys where hurricanes are roughly 20% more intense than elsewhere. This paper develops a physical basis for the alleys using...

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...

 

 

 

 

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