October 30, 2006

Pulling Together

Abstract: The importance of collaboration and teamwork between the architecture and engineer for successful building projects are discussed. This proved true when the engineering firm Simpson Gumpertz and Heger (SGH) worked closely Jeff Peterson...

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...

September 29, 2006

Culverts: Hidden Structures, Critical Infrastructure Elements

By: McGrath, Timothy J., Beakley J., Edwards D., Pluimer M., Walker R.P.

Abstract: The U.S. transportation system is vast. Roadways and railroad beds cross small rivers, streams, and drainage channels millions of times, and each crossing requires a culvert to provide drainage without disrupting the flow of traffic....

August 30, 2006

The Four Barriers - Concepts for proper wall design and construction

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...

August 30, 2006

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

By: Pinon, Joseph P., Kan, Liyen

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...

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....

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...

May 30, 2006

Design Optimization of Connections in Large Radio Telescopes

Abstract: Optimization programs are used routinely in the design of precision structures such as radio telescopes, but design optimization is merely the beginning, rather than the end, of the process. After selecting appropriate member sizes for...