March 2017

Performance of Ledges in Inverted-T Beams

By: Nancy Varney, David B. Garber, Eulalio Fernández Gómez, Oguzhan Bayrak

Researchers have not extensively studied the behavior of inverted-T (IT) beams experiencing ledge failures. The work described in this paper aims to fill that gap in knowledge by providing data from tests conducted on full-scale IT beams. To the...

January 2017

The Case of the Car Dealership Floor Failure

CoatingsPro magazine recently published a case study in its January 2017 issue authored by Simpson Gumpertz & Heger (SGH) senior staff members. In “The Case of the Car Dealership Floor Failure,” Associate Principal...

September 2015

Divine Design: Renovating and Preserving Historic Houses of Worship, Part IV

This series of articles discusses a number of commonly encountered structural issues on renovation and restoration projects that focus on historic houses of worship, and provides guidance on ways to address them. Parts one, two, and three of this...

January 2015

Divine Design: Renovating and Preserving Historic Houses of Worship, Part II

This series of articles discusses some of the commonly encountered structural issues with renovation projects focusing on historic buildings of this type, and provides guidance on ways to address them. Part two of this series focuses on wall...

February 2017

Direct Relationship Between Transients and Wire Breaks

This webinar addressed the issue that transient activity within water pipelines causes wire breaks in pre-stressed concrete cylinder pipelines (PCCP). The webinar also discussed how the cause of the transients can be determined and how, by...

February 9, 2017

Hygrothermal Documentation of Vanishing Structures

One way historic structures vanish is through the degradation of materials from heat, air and moisture attack. Whether your historic structure is abandoned, currently occupied or in planning stages of adaptive reuse, hygrothermal analysis...

February 2017

Restoration of 100-Year-Old Domed Roof

West Hall, one of the many historic campus buildings designed by Albert Kahn (one of the leading American industrial architects of his day), is located on South University Avenue on the University of Michigan’s Central Campus. The building...

April 2015

Behavior of Deconstructable Steel-Concrete Shear Connection in Composite Beams

By: Mark Webster, Lizhong Wang, Jerome F. Hajjar
A new deconstructable composite floor system consisting of precast concrete planks and deconstructable clamping connections is proposed to promote sustainable design of composite floor systems within steel buildings through comprehensive reuse of all key structural components.
January 2015

Diaphragm Behavior of Deconstructable Composite Floor Systems

By: Mark Webster, Lizhong Wang, Jerome F. Hajjar
This study investigates the seismic behavior of deconstructable composite steel/concrete floor systems consisting of precast concrete planks and deconstructable clamping connections attaching the planks to the steel floor beams.
December 2016

Experimental Study of Deformable Connection Consisting of Buckling-Restrained Brace and Rubber Bearings to Connect Floor System to Lateral Force Resisting System

By: Georgios Tsampras, Richard Sause, Robert B. Fleischman, Jose I. Restrepo

This paper presents experimental and numerical studies of a full-scale deformable connection used to connect the floor system of the flexible gravity load resisting system to the stiff lateral force resisting system (LFRS) of an earthquake-...

Pages