Water Beneath the City Streets
Urban groundwater control requires high levels of skill and experience but allows for only a small margin of error. Determining the best method for controlling groundwater requires knowing...
Storing Sediment and Freeing Fish
When Mount St. Helens erupted in May 1980, it sent a river of pyroclastic ash and other debris into Washington's North Fork Toutle River Valley. The resulting debris pile...
Domed Renovations
Inside the granddaddy of domed stadiums, the Houston Astrodome, 10,000 new seats and 72 new suites were hung from a strengthened structure. Using a variety of working-with-what-we've-got...
Asphalt-Rubber Concrete?A New Horizon
The performance of asphalt concrete pavements is dependent to a large degree upon the rheological properties of the asphalt binder. Asphalt-rubber as a binder material extends the temperature...
Hot Mix Asphalt Utilization in Railway Trackbeds
Described herein are the rationales for, descriptions of and evaluations of hot-mix asphalt (HMA) trackbed rehabilitation and construction techniques recently utilized in various classes...
Liability Traps to Avoid
This presentation shows several problem situations and the rules of the game as played by the industry and the courts. It makes three basic assumptions. One, the Materials Engineer knows...
Guidelines for Failure Investigation
The
High-Rise Embankments
Embankments reinforced with geosynthetic materials are being built at increasing heights. Any wall over 20 ft is still generally considered high, but embankments of 40 ft with near vertical...
Box Segmentals: Refining Design
Officials at the Florida Department of Transportation (FDOT), which has built more precast concrete segmental box girder bridges than any other state, say their troubles with that design...
Post-Tensioned Transportation
Post-tensioned highways are relatively new. U.S. 220 near Altoona, Pa. has the first major installation in the country. There two miles of pavement are continuous concrete panels, each...
High-Strength Concrete: Weighing the Benefits
Russell, Gebler and Whiting describe the properties of high-strength concretes, the current state of knowledge on freeze/thaw effects, and procedures for batching, mixing, transporting,...
Screaming Structures
As any designer of roller coasters will tell you, civil engineering principles put the thrills and screams into roller coasters. There are two basic differences between roller coaster...
Creative Application of Materials Engineering
Society's demand for an aesthetically pleasing and safe constructed environment, along with the construction industry's higher and higher costs, dictate that...
Resilient Moduli of Soils
Laboratory Conditions
Historically, structural pavement design has been based on static testing techniques, such as the CBR. More recently, the profession has placed increased emphasis on repeated load testing...
Affordable Housing and the Civil Engineer
The Joint Venture for Affordable Housing (JVAH) Demonstration. Program accomplished the goal and reduced the first time cost of housing by up to 30% through the use of innovative methods...
Specification as a Requirement for Hot Mix Asphalt
A brief description of the current national research programs that affect the development of specifications is included in this paper. Elements of the Strategic Highway Research Program...
Specifications and Constructibility
The article discusses these and other aspects of the subject, including training programs for inspectors and project managers, research/development and pilot testing of new products, methods...
Tunnel Maintenance Operations
Maintenance considerations during both the design and operational phases are very important to good tunnel maintenance. The use of proper materials able to withstand the rigorous environment...
Knowledge-Based Construction Project Planning
This paper describes CONSTRUCTION PLANEX as a prototype of a knowledge-based construction process planner. CONSTRUCTION PLANEX is a knowledge-based system that generates project plans...
The WMATA Resident Engineer and the METRO Construction Team
This paper discusses the organization, mission and functions of the Resident Engineer and the other construction elements of the Washington Metropolitan Area Transit Authority (WMATA)....
Return to search