April 29, 2006

The Role of the NEHRP Provisions in Supporting Seismic Design Provisions in Building Codes and Standards

Abstract: For more than 20 years, the Building Seismic Safety Council, under the sponsorship of the Federal Emergency Management Agency, has developed, maintained and updated the National Earthquake Hazard Reduction Program Provisions for...

April 29, 2006

100 Years of Earthquake Engineering - Lessons Learned and Forgotten

By: John Meyer, Ronald Hamburger

Abstract: During the 100 years since the 1906 San Francisco earthquake engineers have learned to design buildings that will perform well in earthquakes and to do it with a reasonable level of confidence. However, through forgetting lessons...

April 29, 2006

ATC-58 Project Overview: Development of Next-Generation Guidelines for Performance-Based Seismic Design of Buildings

Abstract: Design procedures for seismic resistance contained in building codes are intended to enable buildings to provide acceptable levels of performance in earthquakes, but the procedures are not truly performance-based. These procedures...

March 30, 2006

Reconstructing the Bernie King Pavilion

Abstract: A longstanding and excellent client called with a unique problem. The Metropolitan District Commission (MDC) was charged with maintaining the Bernie King Pavilion. Built in the late nineteenth century, the structure is an open pavilion...

March 30, 2006

Evaluation and Rehabilitation of Deteriorated Parking Structures: Part 2

By: Michael Brainerd, Charles Russo

This article is the second of two that examine the types of deterioration found in parking structures and how to repair and mitigate that damage. The authors discuss repairing delaminated or spalled concrete over corroded reinforcement,...

February 27, 2006

Design tips for steel in low or moderate seismicity regions

Abstract: This paper provides tips to structural engineers who design buildings in regions of low or moderate seismicity. These tips are based primarily on the authors' experiences designing, peer reviewing, and investigating steel-framed...

January 30, 2006

Evaluation and Rehabilitation of Deteriorated Parking Structures: Part 1

By: Michael Brainerd, Charles Russo

Abstract: This article discusses the deterioration of older concrete parking structures, the type of testing available to determine the structure's condition, and how to estimate the future performance of repair and protection alternatives....

December 30, 2005

Lessons Learned: Structural Upgrade of Sutro Tower

Sutro Tower, in San Francisco, California is a 770-foot high, freestanding steel broadcast tower supporting three main, 215-foot high antenna structures and numerous ancillary broadcast equipment. It is owned and operated by a consortium of the...

December 30, 2005

Performance of Thermoplastic Pipe Under Highway Vehicle Loading

By: Jesse Beaver, McGrath, Timothy J.

Abstract: DOTs are interested in developing guidelines for use of large diameter corrugated HDPE pipe buried under roadways with shallow fill, but this application has not been studied extensively. A pooled fund study consisting of full-scale...

December 30, 2005

Balancing Pipe and Backfill Requirements in Difficult Installation Conditions

By: Phillip Sharff, Timothy J. McGrath

Engineers provide the best service to their clients by optimizing the cost of projects without affecting the quality or performance. Since buried pipe performance is the result of interaction of both the pipe and the surrounding soil embedment,...

Keywords:Buried, Pipe

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