The Big Dig's Big Dig
Widely recognized as the most demanding component of Boston's Central Artery/Tunnel Project, the tunnel jacking work performed beneath operating rail tracks represents a quantum...
Joining Forces
In times of limited funding, roads and mass transit are sometimes seen as competing interests, but in Denver the two are united in a massive effort to reinvent an aging and congested transportation...
Enduring Strength
The long-term effectiveness of posttensioning in bridges depends on the resiliency of the tendons, and various factors related to construction and marine environments come into play. How...
Northeast Passage
It will take a deft hand to manage the many aspects of this massive highway and mass transit project along interstate 95 in Connecticut. CAreful construction staging and detailed traffic...
Ramping Up
The reconstruction of the Sprinfield interchange, also known as the Mixing Bowl�one of the largest, most complex highway projects in the nation�has reached the halfway point. But some...
Under Cover
In capping a 190-acre hazardous landfill in metropolitan Los Angeles, engineers saved time and money by relying on a construction method seldom used in the environmental sector: design/build....
Worthy Successor
Now under construction, the replacement for Florida's Hathaway Bridge, which crosses St. Andrew Bay in Panama City, will more than double the capacity of the existing structure....
Sediment Remediation at the Unnamed Tributary to the Ottawa River
A sediment removal action was conducted in the Unnamed Tributary to the Ottawa River to address sediments containing polychlorinated biphenyls(PCBs) at concentrations up to 74,000 mg/kg....
Measuring Productivity: An Industry Challenge
Is the design and construction industry more productive today than it was a decade ago? Is it matching the achievements in productivity attained by other industries? Are technological...
Failures and Problems with Lift-Slab Construction
This chapter provides an overview of failures and problems with lift-slab construction. Topics include jack systems with inadequate take-up devices; the Canadian wedge connection; Serra...
Lifting Collars and Lifting Equipment
The terms lifting collars and shear heads are used interchangeably in the industry. In this book the term lifting collar is used since it is a unique term applicable to lift-slab construction...
Stability and Loads
This chapter examines stability and loads. Topics include stability and lateral load resistance during construction; effective lengths of cantilever columns; effect on stability of frame...
Initial Considerations
The purpose of this section is to aid the line designers in developing their specifications for fiber-reinforced polymer (FRP) materials utilized in electric overhead line structures....
Materials and Manufacturing Processes
This chapter introduces the basic materials used in the manufacturing of composite structures. It will help the line designer in understanding how the different elements of the fiber-matrix...
Performance-Based Criteria for FRP Products and Materials
In most ways, fiber-reinforced polymer (FRP) structures perform similar to wood and steel structures. There are, however, certain differences and these differences are described in this...
Superior Court
For a sport obsessed with getting a round ball through a hoop, the shape of the new Naismith Memorial Basketball Hall of Fame seems entirely appropriate. The building is intersected by...
Evaluation of the Tricon Retained Soil Wall System
Prepared by the Highway Innovative Technology Evaluation Center, a CERF/IIEC Innovation Center. This report describes a HITEC evaluation designed to...
Evaluation of the Maccaferri Terramesh System Retaining Wall
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF/IIEC Innovation Center. This report describes a HITEC evaluation designed...
Crossing the Yangtze
The Nanjing Second Yangtze River Bridge, which links two parts of the city of Nanjing, features the first use of an epoxy asphalt deck pavement in China and one of the longest cable-stayed...
Preserving Pisa's Treasure
Pisa's bell tower, a prime example of Romanesque architecture, would be renowned even if it did not lean. Construction of the tower began in 1173 and was not completed until...
Return to search