October 30, 2006

Fiber-Cement Roofing Slates and Shingles

By: Cash, Carl G., Stephen Condren, Werner Gumpertz

Abstract: Early in the 1980's, manufacturers started to respond to the market desires for a Class A fire-rated steep sloped roofing intensified by fire storms in California where the conventional cedar wood shake roofs were often blamed for...

September 29, 2006

Small-Building Defense Against Terrorism

By: Werner Gumpertz, Lawless, J.M.

Abstract: Sophisticated methods for defense against terrorism have been devised, used, or planned to protect important and exposed facilities of the U.S. government and industry. This paper attempts to expose methods of protection for secondary...

September 29, 2006

The Effective Use of Commercial Computer Software for the Structural Design and Buildings

Abstract: The development and effective use of commercial design software by engineers for the structural design of buildings, is discussed. General computing tools such as word processing, spreadsheets, office networks, web data, and electronic...

August 30, 2006

Predicting and Modeling the Effects of Wall Cladding Ventilation on Sun-Driven Condensation

By: Liyen Kan, Joseph P. Pinon

Abstract: Many wall systems in North America incorporate a drained and vented air cavity behind the cladding. The purpose of this air cavity is to help control the flow of moisture through the wall system. Providing ventilation airflow through...

August 30, 2006

The Four Barriers - Concepts for proper wall design and construction

By: Brent Gabby, Vince Cammalleri

Contemporary building enclosures generally consist of layers of light-weight construction materials designed to prevent water penetration and control condensation, heat flow, and vapor flow. These layers are material assemblies that serve as four...

August 30, 2006

Seismic Evaluation of Sweeping Bends

Abstract: This paper presents the results of analysis and evaluation of the seismic soil strains resulting from wave propagation or permanent ground deformation on sweeping bends in buried pipelines with bell and spigot joints. A finite element...

June 29, 2006

Building History with a Modern Touch: Yale University's School of Medicine Extension

Abstract: The $12 million extension of the Yale University School of Medicine's Sterling Hall of Medicine's B-Wing, located between the existing B-Wing and the Laboratory of Epidemiology and Public Health (LEPH), filled a gap in a...

June 29, 2006

5 [five] signs of facade problems

Just like in medicine, early detection provides the best chance of limiting losses when it comes to facade performance.  The top five tell-tale signs of problems are: cracking, displacement, leaks, material deterioration, and corrosion....

May 30, 2006

Walls Still Growing Up: A Brief History of Building Technology

Abstract: Thousands of years ago, a primitive mortar helped transform a pile of stones into an enclosure of habitable space. Since then, a complex interweaving of technical and social change has continually redefined the way we build, culminating...

May 30, 2006

The ATC-58 project: Development of next-generation performance-based earthquake engineering design criteria for buildings

Abstract: Under sponsorship of the Federal Emergency Management Agency, the Applied Technology Council is engaged in a multi-year effort to develop next-generation performance-based seismic design criteria. The criteria will be applicable to the...

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