A Ladder At Its Core
The ladder-core system is a novel structural system for supertall towers that was created by SOM for Tower 1 at Shum Yip Upperhills, a mixed-use development in Shenzhen, China. The system features eight...

Turn for The Better
The Johnson Street Bridge has served as a critical link to the city of Victoria, British Columbia, Canada, for many years. A single-leaf bascule bridge that is functional and visually appealing replaced...

The Transcona Grain Elevator Failure Revisited: A Modern Perspective a Century Later
More than a century ago, a seminal event in the then world of foundation engineering took place in Winnipeg, Manitoba, Canada, when the mat-foundation-supported Transcona Grain Elevator underwent catastrophic...

Failures Inspire Progress: Protecting Sensitive Buildings from Tunnelling
Tunnelling in urban areas is always a challenge, and it’s especially so when construction is proximate to densely populated districts. Such was the case on January 25, 2005, when a 10-m length of a Barcelona...

A Combo Foundation Does the Job: Piled-Raft Foundation Design for a Supertall Skyscraper
Lotte World Tower is a 123-story, 555-m supertall skyscraper with a 6-level basement for retail and car parking located at Jamsil-dong in Seoul, South Korea. (Editor’s Note: For additional information,...

Advances In Geosynthetic Solutions For Sustainable Landfill Design: Geosynthetics Really Do Last!
Even though geosynthetics are now a well-established discipline within geotechnical engineering, ingenuity continues to play a significant role in projects involving their use. This is because it’s possible...

Life-Cycle Design, Assessment, and Maintenance of Structures and Infrastructure Systems
Prepared on behalf of the Task Group 1 on Life-Cycle Performance of Structural Systems Under Uncertainty of the Technical Council on Life-Cycle Performance, Safety, Reliability and Risk of Structural Systems...

Permanent Sensors Turn Construction Project into Long-term Research Study
The Centre for Smart Infrastructure and Construction (CSIC) at Cambridge University, in conjunction with Arup, has placed fibre-optic cables that will serve as permanent sensors on the underground structure...

A Different Angle
The unique, sloping shape of the VIA 57 West building is formed from cast-in-place concrete from the single, partial basement level up to the structure's 34th floor; braced galvanized steel framing completes...

NTSB Issues Preliminary Report on Florida Bridge Collapse
In late May, the National Transportation Safety Board (NTSB) released its preliminary report about the March 15 structural failure and collapose of a partially-constructed pedestrian bridge in Miami....

Compliance with the Standard of Care: Hurricane Katrina Canal Breaches in New Orleans’ Lower 9th Ward
On August 29, 2005, more than 50 levees and flood walls failed to protect New Orleans, LA, during Hurricane Katrina, one of the most devastating storms to ever hit the U.S. mainland. Among the failures,...

Forensic Investigations Get to the Facts: East Side IHNC Flood Wall Breaches during Hurricane Katrina
I served as a geotechnical expert for the U.S. Department of Justice (DOJ) supporting the defense of the U.S. Army Corps of Engineers (USACE) against alleged professional negligence in its design of the...

Lightweight Alternatives for Embankments on Soft Ground: A Focus on Railway Systems
Lightweight material for civil engineering application is primarily used for accelerated roadway and bridge approach construction, settlement mitigation, utility and tunnel abandonment, reduction of static...

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...

Appraisal of Lightweight Moorings for Deep Water
This paper outlines the potential advantages of using lightweight fiber ropes for mooring floating production platforms. The influence of tether properties on mooring system response is discussed. It is...

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...

All About ISSMGE: An Interview with Leaders of the International Society for Soil Mechanics and Geotechnical Engineering
This article summarizes key discussions from an interview of a select group of International Society for Soil Mechanics and Geotechnical Engineering (ISSMGE) leaders, conducted by a small group of students...

Rock Glue Gets the Job Done: Reducing Rockfall Hazards along the G.W. Parkway
After a large rockfall damaged the road and disrupted traffic along the George Washington Memorial Parkway in 2002, the National Park Service was looking for solutions to stabilize the slope against additional...

Low-Gravity Experiments: Shear Testing Takes a Nose Dive
A major challenge to making celestial soil mechanics viable is to re-engineer the profession's toolkit to provide geotechnical solutions without the luxury of ex-situ and in-situ testing as we know them...

What's New in Geo? The Future of Numerical Geo-Modeling: Is 3D Here to Stay?!
Application of soil mechanics in engineering practice has undergone remarkable changes over the past 50 years as a result of developments in computer technology. Each improvement in computing capability,...

 

 

 

 

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