Past and Future of Construction Equipment�Part IV
The development of construction equipment has followed the major changes in global transportation. In 1420, Giovanni Fontana was dreaming of and diagramming dredging machines. Development...
State of the Art of Structural Engineering
The objective of this paper is to provide an overview of the developments in structural engineering that took place during the past century. This overview includes: (1) some of the major...
Engineering, Design and Construction of Lunar Bases
How do we begin to expand our civilization to the Moon? What are the technical issues that infrastructural engineers, in particular, must address? This paper has the goal of introducing...
Cementitious Materials�Nine Millennia and A New Century: Past, Present, and Future
Cementitious materials have been used in construction for several millennia and through several civilizations. Their use has been revitalized in the recent century, and they have become...
Wood and Wood-Based Materials: Current Status and Future of a Structural Material
Wood is one of the earliest construction materials, and the structural use of wood and wood-based materials continues to steadily increase. In fact, new wood-based materials continue to...
Use of Fiber Reinforced Polymer Composites as Reinforcing Material for Concrete
Although the potential of continuous fiber reinforced polymers (FRPs) was recognized more than 50 years ago, bottlenecks such as vulnerability to static fatigue, ultraviolet radiation,...
History of Hot Mix Asphalt Mixture Design in the United States
Asphalt has been used as a construction material from the earliest days of civilization, but though it has long been used as a waterproofing material in shipbuilding and hydraulics, its...
Fiber-Reinforced Polymer Composites for Construction�State-of-the-Art Review
A concise state-of-the-art survey of fiber-reinforced polymer (also known as fiber-reinforced plastic) composites for construction applications in civil engineering is presented. The paper...
Preparing for Takeoff
New Hampshire's Manchester Airport laid the groundwork for steady grwoth with a set of infrastructure projects including the construction of a parking garage, a terminal expansion,...
A Better Barrier
Seepage problems have troubled the Walter F. George Lock and Dam, on the Chattahoochee River, for more than 40 years. Construction of a deep positive cutoff wall is nearing completion,...
Restoring PATH
Service from northern New Jersey to lower Manhattan on the Port Authority Trans-Hudson (PATH) commuter rail system will soon be restored thanks to a speedy rehabilitation of tunnels and...
Holding Up
Now that the redevelopment of the World Trade Center site is under way, the time is right to examine the status of the remaining slurry wall foundation system and consider how future construction...
Replacing a Dying Water Infrastructure
The water infrastructure in the United States will soon need massive repairs. Pipes are leaking, and most pipes are near the end of their life cycles. Tens of thousands of sewer overflows...
Development and Application of a Decision Support System for Municipal Water Infrastructure Planning: Challenges and Successes
Many water utilities across the country continue to face the challenge of intelligent planning for cost effective, efficient operation, larger demands, stricter government regulations,...
Keeping It Rolling
Thanks to a complex construction staging scheme and a temporary tieback support system, workers were able to rehabilitate an aging rolling lift bridge in Boston....
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...
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