June 12, 2015

Failure Analysis Of Cross-Linked Polyethylene Pipe In Residential Plumbing And Heating Systems

By: Flip Sharff, Arthur Davies

A rash of failures in PEX-AL-PEX piping in residential domestic hot water and hydronic heating systems in the United States and Canada led to an investigation into the nature and cause of the failures.  Failures, which occurred after less...

June 11, 2015

Waterfront Facilities Inspection And Assessment

By: Waterfront Inspection Task Committee, William Bruin

Waterfront Facilities Inspection and Assessment supplies engineers with guidelines and tools for inspecting and evaluating the condition of waterfront structures located in seawater and freshwater environments. Inspections are...

June 11, 2015

Structural Standards Coordination Council: Rising to the Challenge of Coordination

By: Ronald Hamburger, Robert Bachman

Ronald Hamburger and Robert Bachman, chair of the Structural Standard Coordination Council, co-authored an editorial article, “Structural Standards Coordination Council: Rising to the Challenge of Coordination,” in the June issue...

June 10, 2015

A Flood of Light - The Case for Daylight in American Public Architecture

By: Niklas Vigener, Nick Floyd, James Jamieson

America’s public buildings at the turn of the last century were awash in daylight – large skylights illuminated assembly spaces, stair cases, conservatories, and libraries.  The motivations for this approach were both pragmatic...

June 4, 2015

Structural Fire Engineering

Project teams are often faced with the challenge of balancing architectural goals with the necessary fire and life safety...

June 1, 2015

New Life with Older Structures

By: David Martin

Undeveloped land on college campuses is precious…and often non-existent. The debate over what to do with older structures comes to the forefront when the need for a change of use or modernization arises. Should you demolish and rebuild, or...

May 28, 2015

U.S. Standards that Support Structural Fire Engineering Practice

Structural systems protected with qualified assemblies according to prescriptive methods may be resistant to heating during fire events, but they are not specifically designed to endure thermal load effects. The emerging field of structural fire...

May 28, 2015

Structural Robustness and Optimization of Steel Frames for Fire Exposure

By: Kevin LaMalva, Allan Jowsey, Yujie Wang

For standard fire resistance design, the architect usually serves as the responsible party for satisfying code requirements for structural fire protection. As such, the architect typically selects qualified fire resistance assemblies from...

May 28, 2015

ASCE/SEI 7 Appendix E Proposal: Performance-Based Design Procedures for Fire Effects on Structures

By: Kevin LaMalva, Therese P. McAllister, Maria E. Moreyra Garlock

The ASCE/SEI Technical Committee on Fire Protection was formed to support professional structural engineers conducting performance-based design of structural systems for fire effects with guidance documents. The Committee saw a need for an ASCE/...

May 28, 2015

Determination of Temperature Histories for Analysis of Structural Response to Fire

By: Kevin LaMalva, Morgan Hurley

Uncontrolled fire exposure represents a low-probability and potentially high-consequence event. The emerging field of structural fire engineering involves the explicit design of structural systems to adequately endure thermal load effects caused...